django/tests/regressiontests/templates/tests.py

# -*- coding: utf-8 -*-
from __future__ import absolute_import, unicode_literals

from django.conf import settings

if __name__ == '__main__':
    # When running this file in isolation, we need to set up the configuration
    # before importing 'template'.
    settings.configure()

from datetime import date, datetime, timedelta
import time
import os
import sys
import traceback
try:
    from urllib.parse import urljoin
except ImportError:     # Python 2
    from urlparse import urljoin

from django import template
from django.template import (base as template_base, Context, RequestContext,
    Template)
from django.core import urlresolvers
from django.template import loader
from django.template.loaders import app_directories, filesystem, cached
from django.test import RequestFactory, TestCase
from django.test.utils import (setup_test_template_loader,
    restore_template_loaders, override_settings)
from django.utils import unittest
from django.utils.encoding import python_2_unicode_compatible
from django.utils.formats import date_format
from django.utils._os import upath
from django.utils.translation import activate, deactivate, ugettext as _
from django.utils.safestring import mark_safe
from django.utils import six
from django.utils.tzinfo import LocalTimezone

from .callables import CallableVariablesTests
from .context import ContextTests
from .custom import CustomTagTests, CustomFilterTests
from .parser import ParserTests
from .unicode import UnicodeTests
from .nodelist import NodelistTest, ErrorIndexTest
from .smartif import SmartIfTests
from .response import (TemplateResponseTest, CacheMiddlewareTest,
    SimpleTemplateResponseTest, CustomURLConfTest)

try:
    from .loaders import RenderToStringTest, EggLoaderTest
except ImportError as e:
    if "pkg_resources" in e.args[0]:
        pass # If setuptools isn't installed, that's fine. Just move on.
    else:
        raise

from . import filters

#################################
# Custom template tag for tests #
#################################

register = template.Library()

class EchoNode(template.Node):
    def __init__(self, contents):
        self.contents = contents

    def render(self, context):
        return " ".join(self.contents)

def do_echo(parser, token):
    return EchoNode(token.contents.split()[1:])

def do_upper(value):
    return value.upper()

register.tag("echo", do_echo)
register.tag("other_echo", do_echo)
register.filter("upper", do_upper)

template.libraries['testtags'] = register

#####################################
# Helper objects for template tests #
#####################################

class SomeException(Exception):
    silent_variable_failure = True

class SomeOtherException(Exception):
    pass

class ContextStackException(Exception):
    pass

class ShouldNotExecuteException(Exception):
    pass

class SomeClass:
    def __init__(self):
        self.otherclass = OtherClass()

    def method(self):
        return "SomeClass.method"

    def method2(self, o):
        return o

    def method3(self):
        raise SomeException

    def method4(self):
        raise SomeOtherException

    def __getitem__(self, key):
        if key == 'silent_fail_key':
            raise SomeException
        elif key == 'noisy_fail_key':
            raise SomeOtherException
        raise KeyError

    def silent_fail_attribute(self):
        raise SomeException
    silent_fail_attribute = property(silent_fail_attribute)

    def noisy_fail_attribute(self):
        raise SomeOtherException
    noisy_fail_attribute = property(noisy_fail_attribute)

class OtherClass:
    def method(self):
        return "OtherClass.method"

class TestObj(object):
    def is_true(self):
        return True

    def is_false(self):
        return False

    def is_bad(self):
        raise ShouldNotExecuteException()

class SilentGetItemClass(object):
    def __getitem__(self, key):
        raise SomeException

class SilentAttrClass(object):
    def b(self):
        raise SomeException
    b = property(b)

@python_2_unicode_compatible
class UTF8Class:
    "Class whose __str__ returns non-ASCII data on Python 2"
    def __str__(self):
        return 'ŠĐĆŽćžšđ'

@override_settings(MEDIA_URL="/media/", STATIC_URL="/static/")
class Templates(TestCase):

    def test_loaders_security(self):
        ad_loader = app_directories.Loader()
        fs_loader = filesystem.Loader()
        def test_template_sources(path, template_dirs, expected_sources):
            if isinstance(expected_sources, list):
                # Fix expected sources so they are abspathed
                expected_sources = [os.path.abspath(s) for s in expected_sources]
            # Test the two loaders (app_directores and filesystem).
            func1 = lambda p, t: list(ad_loader.get_template_sources(p, t))
            func2 = lambda p, t: list(fs_loader.get_template_sources(p, t))
            for func in (func1, func2):
                if isinstance(expected_sources, list):
                    self.assertEqual(func(path, template_dirs), expected_sources)
                else:
                    self.assertRaises(expected_sources, func, path, template_dirs)

        template_dirs = ['/dir1', '/dir2']
        test_template_sources('index.html', template_dirs,
                              ['/dir1/index.html', '/dir2/index.html'])
        test_template_sources('/etc/passwd', template_dirs, [])
        test_template_sources('etc/passwd', template_dirs,
                              ['/dir1/etc/passwd', '/dir2/etc/passwd'])
        test_template_sources('../etc/passwd', template_dirs, [])
        test_template_sources('../../../etc/passwd', template_dirs, [])
        test_template_sources('/dir1/index.html', template_dirs,
                              ['/dir1/index.html'])
        test_template_sources('../dir2/index.html', template_dirs,
                              ['/dir2/index.html'])
        test_template_sources('/dir1blah', template_dirs, [])
        test_template_sources('../dir1blah', template_dirs, [])

        # UTF-8 bytestrings are permitted.
        test_template_sources(b'\xc3\x85ngstr\xc3\xb6m', template_dirs,
                              ['/dir1/Ångström', '/dir2/Ångström'])
        # Unicode strings are permitted.
        test_template_sources('Ångström', template_dirs,
                              ['/dir1/Ångström', '/dir2/Ångström'])
        test_template_sources('Ångström', [b'/Stra\xc3\x9fe'], ['/Straße/Ångström'])
        test_template_sources(b'\xc3\x85ngstr\xc3\xb6m', [b'/Stra\xc3\x9fe'],
                              ['/Straße/Ångström'])
        # Invalid UTF-8 encoding in bytestrings is not. Should raise a
        # semi-useful error message.
        test_template_sources(b'\xc3\xc3', template_dirs, UnicodeDecodeError)

        # Case insensitive tests (for win32). Not run unless we're on
        # a case insensitive operating system.
        if os.path.normcase('/TEST') == os.path.normpath('/test'):
            template_dirs = ['/dir1', '/DIR2']
            test_template_sources('index.html', template_dirs,
                                  ['/dir1/index.html', '/DIR2/index.html'])
            test_template_sources('/DIR1/index.HTML', template_dirs,
                                  ['/DIR1/index.HTML'])

    def test_loader_debug_origin(self):
        # Turn TEMPLATE_DEBUG on, so that the origin file name will be kept with
        # the compiled templates.
        old_td, settings.TEMPLATE_DEBUG = settings.TEMPLATE_DEBUG, True
        old_loaders = loader.template_source_loaders

        try:
            loader.template_source_loaders = (filesystem.Loader(),)

            # We rely on the fact that runtests.py sets up TEMPLATE_DIRS to
            # point to a directory containing a login.html file. Also that
            # the file system and app directories loaders both inherit the
            # load_template method from the BaseLoader class, so we only need
            # to test one of them.
            load_name = 'login.html'
            template = loader.get_template(load_name)
            template_name = template.nodelist[0].source[0].name
            self.assertTrue(template_name.endswith(load_name),
                'Template loaded by filesystem loader has incorrect name for debug page: %s' % template_name)

            # Aso test the cached loader, since it overrides load_template
            cache_loader = cached.Loader(('',))
            cache_loader._cached_loaders = loader.template_source_loaders
            loader.template_source_loaders = (cache_loader,)

            template = loader.get_template(load_name)
            template_name = template.nodelist[0].source[0].name
            self.assertTrue(template_name.endswith(load_name),
                'Template loaded through cached loader has incorrect name for debug page: %s' % template_name)

            template = loader.get_template(load_name)
            template_name = template.nodelist[0].source[0].name
            self.assertTrue(template_name.endswith(load_name),
                'Cached template loaded through cached loader has incorrect name for debug page: %s' % template_name)
        finally:
            loader.template_source_loaders = old_loaders
            settings.TEMPLATE_DEBUG = old_td


    def test_include_missing_template(self):
        """
        Tests that the correct template is identified as not existing
        when {% include %} specifies a template that does not exist.
        """

        # TEMPLATE_DEBUG must be true, otherwise the exception raised
        # during {% include %} processing will be suppressed.
        old_td, settings.TEMPLATE_DEBUG = settings.TEMPLATE_DEBUG, True
        old_loaders = loader.template_source_loaders

        try:
            # Test the base loader class via the app loader. load_template
            # from base is used by all shipped loaders excepting cached,
            # which has its own test.
            loader.template_source_loaders = (app_directories.Loader(),)

            load_name = 'test_include_error.html'
            r = None
            try:
                tmpl = loader.select_template([load_name])
                r = tmpl.render(template.Context({}))
            except template.TemplateDoesNotExist as e:
                settings.TEMPLATE_DEBUG = old_td
                self.assertEqual(e.args[0], 'missing.html')
            self.assertEqual(r, None, 'Template rendering unexpectedly succeeded, produced: ->%r<-' % r)
        finally:
            loader.template_source_loaders = old_loaders
            settings.TEMPLATE_DEBUG = old_td


    def test_extends_include_missing_baseloader(self):
        """
        Tests that the correct template is identified as not existing
        when {% extends %} specifies a template that does exist, but
        that template has an {% include %} of something that does not
        exist. See #12787.
        """

        # TEMPLATE_DEBUG must be true, otherwise the exception raised
        # during {% include %} processing will be suppressed.
        old_td, settings.TEMPLATE_DEBUG = settings.TEMPLATE_DEBUG, True
        old_loaders = loader.template_source_loaders

        try:
            # Test the base loader class via the app loader. load_template
            # from base is used by all shipped loaders excepting cached,
            # which has its own test.
            loader.template_source_loaders = (app_directories.Loader(),)

            load_name = 'test_extends_error.html'
            tmpl = loader.get_template(load_name)
            r = None
            try:
                r = tmpl.render(template.Context({}))
            except template.TemplateDoesNotExist as e:
                settings.TEMPLATE_DEBUG = old_td
                self.assertEqual(e.args[0], 'missing.html')
            self.assertEqual(r, None, 'Template rendering unexpectedly succeeded, produced: ->%r<-' % r)
        finally:
            loader.template_source_loaders = old_loaders
            settings.TEMPLATE_DEBUG = old_td

    def test_extends_include_missing_cachedloader(self):
        """
        Same as test_extends_include_missing_baseloader, only tests
        behavior of the cached loader instead of BaseLoader.
        """

        old_td, settings.TEMPLATE_DEBUG = settings.TEMPLATE_DEBUG, True
        old_loaders = loader.template_source_loaders

        try:
            cache_loader = cached.Loader(('',))
            cache_loader._cached_loaders = (app_directories.Loader(),)
            loader.template_source_loaders = (cache_loader,)

            load_name = 'test_extends_error.html'
            tmpl = loader.get_template(load_name)
            r = None
            try:
                r = tmpl.render(template.Context({}))
            except template.TemplateDoesNotExist as e:
                self.assertEqual(e.args[0], 'missing.html')
            self.assertEqual(r, None, 'Template rendering unexpectedly succeeded, produced: ->%r<-' % r)

            # For the cached loader, repeat the test, to ensure the first attempt did not cache a
            # result that behaves incorrectly on subsequent attempts.
            tmpl = loader.get_template(load_name)
            try:
                tmpl.render(template.Context({}))
            except template.TemplateDoesNotExist as e:
                self.assertEqual(e.args[0], 'missing.html')
            self.assertEqual(r, None, 'Template rendering unexpectedly succeeded, produced: ->%r<-' % r)
        finally:
            loader.template_source_loaders = old_loaders
            settings.TEMPLATE_DEBUG = old_td

    def test_token_smart_split(self):
        # Regression test for #7027
        token = template.Token(template.TOKEN_BLOCK, 'sometag _("Page not found") value|yesno:_("yes,no")')
        split = token.split_contents()
        self.assertEqual(split, ["sometag", '_("Page not found")', 'value|yesno:_("yes,no")'])

    @override_settings(SETTINGS_MODULE=None, TEMPLATE_DEBUG=True)
    def test_url_reverse_no_settings_module(self):
        # Regression test for #9005
        from django.template import Template, Context

        t = Template('{% url will_not_match %}')
        c = Context()
        with self.assertRaises(urlresolvers.NoReverseMatch):
            t.render(c)

    def test_url_explicit_exception_for_old_syntax_at_run_time(self):
        # Regression test for #19280
        t = Template('{% url path.to.view %}')      # not quoted = old syntax
        c = Context()
        with self.assertRaisesRegexp(urlresolvers.NoReverseMatch,
                "The syntax changed in Django 1.5, see the docs."):
            t.render(c)

    def test_url_explicit_exception_for_old_syntax_at_compile_time(self):
        # Regression test for #19392
        with self.assertRaisesRegexp(template.TemplateSyntaxError,
                "The syntax of 'url' changed in Django 1.5, see the docs."):
            t = Template('{% url my-view %}')      # not a variable = old syntax

    @override_settings(DEBUG=True, TEMPLATE_DEBUG=True)
    def test_no_wrapped_exception(self):
        """
        The template system doesn't wrap exceptions, but annotates them.
        Refs #16770
        """
        c = Context({"coconuts": lambda: 42 / 0})
        t = Template("{{ coconuts }}")
        with self.assertRaises(ZeroDivisionError) as cm:
            t.render(c)

        self.assertEqual(cm.exception.django_template_source[1], (0, 14))

    def test_invalid_block_suggestion(self):
        # See #7876
        from django.template import Template, TemplateSyntaxError
        try:
            t = Template("{% if 1 %}lala{% endblock %}{% endif %}")
        except TemplateSyntaxError as e:
            self.assertEqual(e.args[0], "Invalid block tag: 'endblock', expected 'elif', 'else' or 'endif'")

    def test_templates(self):
        template_tests = self.get_template_tests()
        filter_tests = filters.get_filter_tests()

        # Quickly check that we aren't accidentally using a name in both
        # template and filter tests.
        overlapping_names = [name for name in filter_tests if name in template_tests]
        assert not overlapping_names, 'Duplicate test name(s): %s' % ', '.join(overlapping_names)

        template_tests.update(filter_tests)

        cache_loader = setup_test_template_loader(
            dict([(name, t[0]) for name, t in six.iteritems(template_tests)]),
            use_cached_loader=True,
        )

        failures = []
        tests = sorted(template_tests.items())

        # Turn TEMPLATE_DEBUG off, because tests assume that.
        old_td, settings.TEMPLATE_DEBUG = settings.TEMPLATE_DEBUG, False

        # Set TEMPLATE_STRING_IF_INVALID to a known string.
        old_invalid = settings.TEMPLATE_STRING_IF_INVALID
        expected_invalid_str = 'INVALID'

        # Set ALLOWED_INCLUDE_ROOTS so that ssi works.
        old_allowed_include_roots = settings.ALLOWED_INCLUDE_ROOTS
        settings.ALLOWED_INCLUDE_ROOTS = (
            os.path.dirname(os.path.abspath(upath(__file__))),
        )

        # Warm the URL reversing cache. This ensures we don't pay the cost
        # warming the cache during one of the tests.
        urlresolvers.reverse('regressiontests.templates.views.client_action',
                             kwargs={'id':0,'action':"update"})

        for name, vals in tests:
            if isinstance(vals[2], tuple):
                normal_string_result = vals[2][0]
                invalid_string_result = vals[2][1]

                if isinstance(invalid_string_result, tuple):
                    expected_invalid_str = 'INVALID %s'
                    invalid_string_result = invalid_string_result[0] % invalid_string_result[1]
                    template_base.invalid_var_format_string = True

                try:
                    template_debug_result = vals[2][2]
                except IndexError:
                    template_debug_result = normal_string_result

            else:
                normal_string_result = vals[2]
                invalid_string_result = vals[2]
                template_debug_result = vals[2]

            if 'LANGUAGE_CODE' in vals[1]:
                activate(vals[1]['LANGUAGE_CODE'])
            else:
                activate('en-us')

            for invalid_str, template_debug, result in [
                    ('', False, normal_string_result),
                    (expected_invalid_str, False, invalid_string_result),
                    ('', True, template_debug_result)
                ]:
                settings.TEMPLATE_STRING_IF_INVALID = invalid_str
                settings.TEMPLATE_DEBUG = template_debug
                for is_cached in (False, True):
                    try:
                        try:
                            test_template = loader.get_template(name)
                        except ShouldNotExecuteException:
                            failures.append("Template test (Cached='%s', TEMPLATE_STRING_IF_INVALID='%s', TEMPLATE_DEBUG=%s): %s -- FAILED. Template loading invoked method that shouldn't have been invoked." % (is_cached, invalid_str, template_debug, name))

                        try:
                            output = self.render(test_template, vals)
                        except ShouldNotExecuteException:
                            failures.append("Template test (Cached='%s', TEMPLATE_STRING_IF_INVALID='%s', TEMPLATE_DEBUG=%s): %s -- FAILED. Template rendering invoked method that shouldn't have been invoked." % (is_cached, invalid_str, template_debug, name))
                    except ContextStackException:
                        failures.append("Template test (Cached='%s', TEMPLATE_STRING_IF_INVALID='%s', TEMPLATE_DEBUG=%s): %s -- FAILED. Context stack was left imbalanced" % (is_cached, invalid_str, template_debug, name))
                        continue
                    except Exception:
                        exc_type, exc_value, exc_tb = sys.exc_info()
                        if exc_type != result:
                            tb = '\n'.join(traceback.format_exception(exc_type, exc_value, exc_tb))
                            failures.append("Template test (Cached='%s', TEMPLATE_STRING_IF_INVALID='%s', TEMPLATE_DEBUG=%s): %s -- FAILED. Got %s, exception: %s\n%s" % (is_cached, invalid_str, template_debug, name, exc_type, exc_value, tb))
                        continue
                    if output != result:
                        failures.append("Template test (Cached='%s', TEMPLATE_STRING_IF_INVALID='%s', TEMPLATE_DEBUG=%s): %s -- FAILED. Expected %r, got %r" % (is_cached, invalid_str, template_debug, name, result, output))
                cache_loader.reset()

            if 'LANGUAGE_CODE' in vals[1]:
                deactivate()

            if template_base.invalid_var_format_string:
                expected_invalid_str = 'INVALID'
                template_base.invalid_var_format_string = False

        restore_template_loaders()
        deactivate()
        settings.TEMPLATE_DEBUG = old_td
        settings.TEMPLATE_STRING_IF_INVALID = old_invalid
        settings.ALLOWED_INCLUDE_ROOTS = old_allowed_include_roots

        self.assertEqual(failures, [], "Tests failed:\n%s\n%s" %
            ('-'*70, ("\n%s\n" % ('-'*70)).join(failures)))

    def render(self, test_template, vals):
        context = template.Context(vals[1])
        before_stack_size = len(context.dicts)
        output = test_template.render(context)
        if len(context.dicts) != before_stack_size:
            raise ContextStackException
        return output

    def get_template_tests(self):
        # SYNTAX --
        # 'template_name': ('template contents', 'context dict', 'expected string output' or Exception class)
        basedir = os.path.dirname(os.path.abspath(upath(__file__)))
        tests = {
            ### BASIC SYNTAX ################################################

            # Plain text should go through the template parser untouched
            'basic-syntax01': ("something cool", {}, "something cool"),

            # Variables should be replaced with their value in the current
            # context
            'basic-syntax02': ("{{ headline }}", {'headline':'Success'}, "Success"),

            # More than one replacement variable is allowed in a template
            'basic-syntax03': ("{{ first }} --- {{ second }}", {"first" : 1, "second" : 2}, "1 --- 2"),

            # Fail silently when a variable is not found in the current context
            'basic-syntax04': ("as{{ missing }}df", {}, ("asdf","asINVALIDdf")),

            # A variable may not contain more than one word
            'basic-syntax06': ("{{ multi word variable }}", {}, template.TemplateSyntaxError),

            # Raise TemplateSyntaxError for empty variable tags
            'basic-syntax07': ("{{ }}",        {}, template.TemplateSyntaxError),
            'basic-syntax08': ("{{        }}", {}, template.TemplateSyntaxError),

            # Attribute syntax allows a template to call an object's attribute
            'basic-syntax09': ("{{ var.method }}", {"var": SomeClass()}, "SomeClass.method"),

            # Multiple levels of attribute access are allowed
            'basic-syntax10': ("{{ var.otherclass.method }}", {"var": SomeClass()}, "OtherClass.method"),

            # Fail silently when a variable's attribute isn't found
            'basic-syntax11': ("{{ var.blech }}", {"var": SomeClass()}, ("","INVALID")),

            # Raise TemplateSyntaxError when trying to access a variable beginning with an underscore
            'basic-syntax12': ("{{ var.__dict__ }}", {"var": SomeClass()}, template.TemplateSyntaxError),

            # Raise TemplateSyntaxError when trying to access a variable containing an illegal character
            'basic-syntax13': ("{{ va>r }}", {}, template.TemplateSyntaxError),
            'basic-syntax14': ("{{ (var.r) }}", {}, template.TemplateSyntaxError),
            'basic-syntax15': ("{{ sp%am }}", {}, template.TemplateSyntaxError),
            'basic-syntax16': ("{{ eggs! }}", {}, template.TemplateSyntaxError),
            'basic-syntax17': ("{{ moo? }}", {}, template.TemplateSyntaxError),

            # Attribute syntax allows a template to call a dictionary key's value
            'basic-syntax18': ("{{ foo.bar }}", {"foo" : {"bar" : "baz"}}, "baz"),

            # Fail silently when a variable's dictionary key isn't found
            'basic-syntax19': ("{{ foo.spam }}", {"foo" : {"bar" : "baz"}}, ("","INVALID")),

            # Fail silently when accessing a non-simple method
            'basic-syntax20': ("{{ var.method2 }}", {"var": SomeClass()}, ("","INVALID")),

            # Don't get confused when parsing something that is almost, but not
            # quite, a template tag.
            'basic-syntax21': ("a {{ moo %} b", {}, "a {{ moo %} b"),
            'basic-syntax22': ("{{ moo #}", {}, "{{ moo #}"),

            # Will try to treat "moo #} {{ cow" as the variable. Not ideal, but
            # costly to work around, so this triggers an error.
            'basic-syntax23': ("{{ moo #} {{ cow }}", {"cow": "cow"}, template.TemplateSyntaxError),

            # Embedded newlines make it not-a-tag.
            'basic-syntax24': ("{{ moo\n }}", {}, "{{ moo\n }}"),

            # Literal strings are permitted inside variables, mostly for i18n
            # purposes.
            'basic-syntax25': ('{{ "fred" }}', {}, "fred"),
            'basic-syntax26': (r'{{ "\"fred\"" }}', {}, "\"fred\""),
            'basic-syntax27': (r'{{ _("\"fred\"") }}', {}, "\"fred\""),

            # regression test for ticket #12554
            # make sure a silent_variable_failure Exception is supressed
            # on dictionary and attribute lookup
            'basic-syntax28': ("{{ a.b }}", {'a': SilentGetItemClass()}, ('', 'INVALID')),
            'basic-syntax29': ("{{ a.b }}", {'a': SilentAttrClass()}, ('', 'INVALID')),

            # Something that starts like a number but has an extra lookup works as a lookup.
            'basic-syntax30': ("{{ 1.2.3 }}", {"1": {"2": {"3": "d"}}}, "d"),
            'basic-syntax31': ("{{ 1.2.3 }}", {"1": {"2": ("a", "b", "c", "d")}}, "d"),
            'basic-syntax32': ("{{ 1.2.3 }}", {"1": (("x", "x", "x", "x"), ("y", "y", "y", "y"), ("a", "b", "c", "d"))}, "d"),
            'basic-syntax33': ("{{ 1.2.3 }}", {"1": ("xxxx", "yyyy", "abcd")}, "d"),
            'basic-syntax34': ("{{ 1.2.3 }}", {"1": ({"x": "x"}, {"y": "y"}, {"z": "z", "3": "d"})}, "d"),

            # Numbers are numbers even if their digits are in the context.
            'basic-syntax35': ("{{ 1 }}", {"1": "abc"}, "1"),
            'basic-syntax36': ("{{ 1.2 }}", {"1": "abc"}, "1.2"),

            # Call methods in the top level of the context
            'basic-syntax37': ('{{ callable }}', {"callable": lambda: "foo bar"}, "foo bar"),

            # Call methods returned from dictionary lookups
            'basic-syntax38': ('{{ var.callable }}', {"var": {"callable": lambda: "foo bar"}}, "foo bar"),

            'builtins01': ('{{ True }}', {}, "True"),
            'builtins02': ('{{ False }}', {}, "False"),
            'builtins03': ('{{ None }}', {}, "None"),

            # List-index syntax allows a template to access a certain item of a subscriptable object.
            'list-index01': ("{{ var.1 }}", {"var": ["first item", "second item"]}, "second item"),

            # Fail silently when the list index is out of range.
            'list-index02': ("{{ var.5 }}", {"var": ["first item", "second item"]}, ("", "INVALID")),

            # Fail silently when the variable is not a subscriptable object.
            'list-index03': ("{{ var.1 }}", {"var": None}, ("", "INVALID")),

            # Fail silently when variable is a dict without the specified key.
            'list-index04': ("{{ var.1 }}", {"var": {}}, ("", "INVALID")),

            # Dictionary lookup wins out when dict's key is a string.
            'list-index05': ("{{ var.1 }}", {"var": {'1': "hello"}}, "hello"),

            # But list-index lookup wins out when dict's key is an int, which
            # behind the scenes is really a dictionary lookup (for a dict)
            # after converting the key to an int.
            'list-index06': ("{{ var.1 }}", {"var": {1: "hello"}}, "hello"),

            # Dictionary lookup wins out when there is a string and int version of the key.
            'list-index07': ("{{ var.1 }}", {"var": {'1': "hello", 1: "world"}}, "hello"),

            # Basic filter usage
            'filter-syntax01': ("{{ var|upper }}", {"var": "Django is the greatest!"}, "DJANGO IS THE GREATEST!"),

            # Chained filters
            'filter-syntax02': ("{{ var|upper|lower }}", {"var": "Django is the greatest!"}, "django is the greatest!"),

            # Allow spaces before the filter pipe
            'filter-syntax03': ("{{ var |upper }}", {"var": "Django is the greatest!"}, "DJANGO IS THE GREATEST!"),

            # Allow spaces after the filter pipe
            'filter-syntax04': ("{{ var| upper }}", {"var": "Django is the greatest!"}, "DJANGO IS THE GREATEST!"),

            # Raise TemplateSyntaxError for a nonexistent filter
            'filter-syntax05': ("{{ var|does_not_exist }}", {}, template.TemplateSyntaxError),

            # Raise TemplateSyntaxError when trying to access a filter containing an illegal character
            'filter-syntax06': ("{{ var|fil(ter) }}", {}, template.TemplateSyntaxError),

            # Raise TemplateSyntaxError for invalid block tags
            'filter-syntax07': ("{% nothing_to_see_here %}", {}, template.TemplateSyntaxError),

            # Raise TemplateSyntaxError for empty block tags
            'filter-syntax08': ("{% %}", {}, template.TemplateSyntaxError),

            # Chained filters, with an argument to the first one
            'filter-syntax09': ('{{ var|removetags:"b i"|upper|lower }}', {"var": "<b><i>Yes</i></b>"}, "yes"),

            # Literal string as argument is always "safe" from auto-escaping..
            'filter-syntax10': (r'{{ var|default_if_none:" endquote\" hah" }}',
                    {"var": None}, ' endquote" hah'),

            # Variable as argument
            'filter-syntax11': (r'{{ var|default_if_none:var2 }}', {"var": None, "var2": "happy"}, 'happy'),

            # Default argument testing
            'filter-syntax12': (r'{{ var|yesno:"yup,nup,mup" }} {{ var|yesno }}', {"var": True}, 'yup yes'),

            # Fail silently for methods that raise an exception with a
            # "silent_variable_failure" attribute
            'filter-syntax13': (r'1{{ var.method3 }}2', {"var": SomeClass()}, ("12", "1INVALID2")),

            # In methods that raise an exception without a
            # "silent_variable_attribute" set to True, the exception propagates
            'filter-syntax14': (r'1{{ var.method4 }}2', {"var": SomeClass()}, (SomeOtherException, SomeOtherException)),

            # Escaped backslash in argument
            'filter-syntax15': (r'{{ var|default_if_none:"foo\bar" }}', {"var": None}, r'foo\bar'),

            # Escaped backslash using known escape char
            'filter-syntax16': (r'{{ var|default_if_none:"foo\now" }}', {"var": None}, r'foo\now'),

            # Empty strings can be passed as arguments to filters
            'filter-syntax17': (r'{{ var|join:"" }}', {'var': ['a', 'b', 'c']}, 'abc'),

            # Make sure that any unicode strings are converted to bytestrings
            # in the final output.
            'filter-syntax18': (r'{{ var }}', {'var': UTF8Class()}, '\u0160\u0110\u0106\u017d\u0107\u017e\u0161\u0111'),

            # Numbers as filter arguments should work
            'filter-syntax19': ('{{ var|truncatewords:1 }}', {"var": "hello world"}, "hello ..."),

            #filters should accept empty string constants
            'filter-syntax20': ('{{ ""|default_if_none:"was none" }}', {}, ""),

            # Fail silently for non-callable attribute and dict lookups which
            # raise an exception with a "silent_variable_failure" attribute
            'filter-syntax21': (r'1{{ var.silent_fail_key }}2', {"var": SomeClass()}, ("12", "1INVALID2")),
            'filter-syntax22': (r'1{{ var.silent_fail_attribute }}2', {"var": SomeClass()}, ("12", "1INVALID2")),

            # In attribute and dict lookups that raise an unexpected exception
            # without a "silent_variable_attribute" set to True, the exception
            # propagates
            'filter-syntax23': (r'1{{ var.noisy_fail_key }}2', {"var": SomeClass()}, (SomeOtherException, SomeOtherException)),
            'filter-syntax24': (r'1{{ var.noisy_fail_attribute }}2', {"var": SomeClass()}, (SomeOtherException, SomeOtherException)),

            ### COMMENT SYNTAX ########################################################
            'comment-syntax01': ("{# this is hidden #}hello", {}, "hello"),
            'comment-syntax02': ("{# this is hidden #}hello{# foo #}", {}, "hello"),

            # Comments can contain invalid stuff.
            'comment-syntax03': ("foo{#  {% if %}  #}", {}, "foo"),
            'comment-syntax04': ("foo{#  {% endblock %}  #}", {}, "foo"),
            'comment-syntax05': ("foo{#  {% somerandomtag %}  #}", {}, "foo"),
            'comment-syntax06': ("foo{# {% #}", {}, "foo"),
            'comment-syntax07': ("foo{# %} #}", {}, "foo"),
            'comment-syntax08': ("foo{# %} #}bar", {}, "foobar"),
            'comment-syntax09': ("foo{# {{ #}", {}, "foo"),
            'comment-syntax10': ("foo{# }} #}", {}, "foo"),
            'comment-syntax11': ("foo{# { #}", {}, "foo"),
            'comment-syntax12': ("foo{# } #}", {}, "foo"),

            ### COMMENT TAG ###########################################################
            'comment-tag01': ("{% comment %}this is hidden{% endcomment %}hello", {}, "hello"),
            'comment-tag02': ("{% comment %}this is hidden{% endcomment %}hello{% comment %}foo{% endcomment %}", {}, "hello"),

            # Comment tag can contain invalid stuff.
            'comment-tag03': ("foo{% comment %} {% if %} {% endcomment %}", {}, "foo"),
            'comment-tag04': ("foo{% comment %} {% endblock %} {% endcomment %}", {}, "foo"),
            'comment-tag05': ("foo{% comment %} {% somerandomtag %} {% endcomment %}", {}, "foo"),

            ### CYCLE TAG #############################################################
            'cycle01': ('{% cycle a %}', {}, template.TemplateSyntaxError),
            'cycle02': ('{% cycle a,b,c as abc %}{% cycle abc %}', {}, 'ab'),
            'cycle03': ('{% cycle a,b,c as abc %}{% cycle abc %}{% cycle abc %}', {}, 'abc'),
            'cycle04': ('{% cycle a,b,c as abc %}{% cycle abc %}{% cycle abc %}{% cycle abc %}', {}, 'abca'),
            'cycle05': ('{% cycle %}', {}, template.TemplateSyntaxError),
            'cycle06': ('{% cycle a %}', {}, template.TemplateSyntaxError),
            'cycle07': ('{% cycle a,b,c as foo %}{% cycle bar %}', {}, template.TemplateSyntaxError),
            'cycle08': ('{% cycle a,b,c as foo %}{% cycle foo %}{{ foo }}{{ foo }}{% cycle foo %}{{ foo }}', {}, 'abbbcc'),
            'cycle09': ("{% for i in test %}{% cycle a,b %}{{ i }},{% endfor %}", {'test': range(5)}, 'a0,b1,a2,b3,a4,'),
            'cycle10': ("{% cycle 'a' 'b' 'c' as abc %}{% cycle abc %}", {}, 'ab'),
            'cycle11': ("{% cycle 'a' 'b' 'c' as abc %}{% cycle abc %}{% cycle abc %}", {}, 'abc'),
            'cycle12': ("{% cycle 'a' 'b' 'c' as abc %}{% cycle abc %}{% cycle abc %}{% cycle abc %}", {}, 'abca'),
            'cycle13': ("{% for i in test %}{% cycle 'a' 'b' %}{{ i }},{% endfor %}", {'test': range(5)}, 'a0,b1,a2,b3,a4,'),
            'cycle14': ("{% cycle one two as foo %}{% cycle foo %}", {'one': '1','two': '2'}, '12'),
            'cycle15': ("{% for i in test %}{% cycle aye bee %}{{ i }},{% endfor %}", {'test': range(5), 'aye': 'a', 'bee': 'b'}, 'a0,b1,a2,b3,a4,'),
            'cycle16': ("{% cycle one|lower two as foo %}{% cycle foo %}", {'one': 'A','two': '2'}, 'a2'),
            'cycle17': ("{% cycle 'a' 'b' 'c' as abc silent %}{% cycle abc %}{% cycle abc %}{% cycle abc %}{% cycle abc %}", {}, ""),
            'cycle18': ("{% cycle 'a' 'b' 'c' as foo invalid_flag %}", {}, template.TemplateSyntaxError),
            'cycle19': ("{% cycle 'a' 'b' as silent %}{% cycle silent %}", {}, "ab"),
            'cycle20': ("{% cycle one two as foo %} &amp; {% cycle foo %}", {'one' : 'A & B', 'two' : 'C & D'}, "A & B &amp; C & D"),
            'cycle21': ("{% filter force_escape %}{% cycle one two as foo %} & {% cycle foo %}{% endfilter %}", {'one' : 'A & B', 'two' : 'C & D'}, "A &amp; B &amp; C &amp; D"),
            'cycle22': ("{% for x in values %}{% cycle 'a' 'b' 'c' as abc silent %}{{ x }}{% endfor %}", {'values': [1,2,3,4]}, "1234"),
            'cycle23': ("{% for x in values %}{% cycle 'a' 'b' 'c' as abc silent %}{{ abc }}{{ x }}{% endfor %}", {'values': [1,2,3,4]}, "a1b2c3a4"),
            'included-cycle': ('{{ abc }}', {'abc': 'xxx'}, 'xxx'),
            'cycle24': ("{% for x in values %}{% cycle 'a' 'b' 'c' as abc silent %}{% include 'included-cycle' %}{% endfor %}", {'values': [1,2,3,4]}, "abca"),

            ### EXCEPTIONS ############################################################

            # Raise exception for invalid template name
            'exception01': ("{% extends 'nonexistent' %}", {}, (template.TemplateDoesNotExist, template.TemplateDoesNotExist)),

            # Raise exception for invalid template name (in variable)
            'exception02': ("{% extends nonexistent %}", {}, (template.TemplateSyntaxError, template.TemplateDoesNotExist)),

            # Raise exception for extra {% extends %} tags
            'exception03': ("{% extends 'inheritance01' %}{% block first %}2{% endblock %}{% extends 'inheritance16' %}", {}, template.TemplateSyntaxError),

            # Raise exception for custom tags used in child with {% load %} tag in parent, not in child
            'exception04': ("{% extends 'inheritance17' %}{% block first %}{% echo 400 %}5678{% endblock %}", {}, template.TemplateSyntaxError),

            ### FILTER TAG ############################################################
            'filter01': ('{% filter upper %}{% endfilter %}', {}, ''),
            'filter02': ('{% filter upper %}django{% endfilter %}', {}, 'DJANGO'),
            'filter03': ('{% filter upper|lower %}django{% endfilter %}', {}, 'django'),
            'filter04': ('{% filter cut:remove %}djangospam{% endfilter %}', {'remove': 'spam'}, 'django'),

            ### FIRSTOF TAG ###########################################################
            'firstof01': ('{% firstof a b c %}', {'a':0,'b':0,'c':0}, ''),
            'firstof02': ('{% firstof a b c %}', {'a':1,'b':0,'c':0}, '1'),
            'firstof03': ('{% firstof a b c %}', {'a':0,'b':2,'c':0}, '2'),
            'firstof04': ('{% firstof a b c %}', {'a':0,'b':0,'c':3}, '3'),
            'firstof05': ('{% firstof a b c %}', {'a':1,'b':2,'c':3}, '1'),
            'firstof06': ('{% firstof a b c %}', {'b':0,'c':3}, '3'),
            'firstof07': ('{% firstof a b "c" %}', {'a':0}, 'c'),
            'firstof08': ('{% firstof a b "c and d" %}', {'a':0,'b':0}, 'c and d'),
            'firstof09': ('{% firstof %}', {}, template.TemplateSyntaxError),
            'firstof10': ('{% firstof a %}', {'a': '<'}, '<'), # Variables are NOT auto-escaped.

            ### FOR TAG ###############################################################
            'for-tag01': ("{% for val in values %}{{ val }}{% endfor %}", {"values": [1, 2, 3]}, "123"),
            'for-tag02': ("{% for val in values reversed %}{{ val }}{% endfor %}", {"values": [1, 2, 3]}, "321"),
            'for-tag-vars01': ("{% for val in values %}{{ forloop.counter }}{% endfor %}", {"values": [6, 6, 6]}, "123"),
            'for-tag-vars02': ("{% for val in values %}{{ forloop.counter0 }}{% endfor %}", {"values": [6, 6, 6]}, "012"),
            'for-tag-vars03': ("{% for val in values %}{{ forloop.revcounter }}{% endfor %}", {"values": [6, 6, 6]}, "321"),
            'for-tag-vars04': ("{% for val in values %}{{ forloop.revcounter0 }}{% endfor %}", {"values": [6, 6, 6]}, "210"),
            'for-tag-vars05': ("{% for val in values %}{% if forloop.first %}f{% else %}x{% endif %}{% endfor %}", {"values": [6, 6, 6]}, "fxx"),
            'for-tag-vars06': ("{% for val in values %}{% if forloop.last %}l{% else %}x{% endif %}{% endfor %}", {"values": [6, 6, 6]}, "xxl"),
            'for-tag-unpack01': ("{% for key,value in items %}{{ key }}:{{ value }}/{% endfor %}", {"items": (('one', 1), ('two', 2))}, "one:1/two:2/"),
            'for-tag-unpack03': ("{% for key, value in items %}{{ key }}:{{ value }}/{% endfor %}", {"items": (('one', 1), ('two', 2))}, "one:1/two:2/"),
            'for-tag-unpack04': ("{% for key , value in items %}{{ key }}:{{ value }}/{% endfor %}", {"items": (('one', 1), ('two', 2))}, "one:1/two:2/"),
            'for-tag-unpack05': ("{% for key ,value in items %}{{ key }}:{{ value }}/{% endfor %}", {"items": (('one', 1), ('two', 2))}, "one:1/two:2/"),
            'for-tag-unpack06': ("{% for key value in items %}{{ key }}:{{ value }}/{% endfor %}", {"items": (('one', 1), ('two', 2))}, template.TemplateSyntaxError),
            'for-tag-unpack07': ("{% for key,,value in items %}{{ key }}:{{ value }}/{% endfor %}", {"items": (('one', 1), ('two', 2))}, template.TemplateSyntaxError),
            'for-tag-unpack08': ("{% for key,value, in items %}{{ key }}:{{ value }}/{% endfor %}", {"items": (('one', 1), ('two', 2))}, template.TemplateSyntaxError),
            # Ensure that a single loopvar doesn't truncate the list in val.
            'for-tag-unpack09': ("{% for val in items %}{{ val.0 }}:{{ val.1 }}/{% endfor %}", {"items": (('one', 1), ('two', 2))}, "one:1/two:2/"),
            # Otherwise, silently truncate if the length of loopvars differs to the length of each set of items.
            'for-tag-unpack10': ("{% for x,y in items %}{{ x }}:{{ y }}/{% endfor %}", {"items": (('one', 1, 'carrot'), ('two', 2, 'orange'))}, "one:1/two:2/"),
            'for-tag-unpack11': ("{% for x,y,z in items %}{{ x }}:{{ y }},{{ z }}/{% endfor %}", {"items": (('one', 1), ('two', 2))}, ("one:1,/two:2,/", "one:1,INVALID/two:2,INVALID/")),
            'for-tag-unpack12': ("{% for x,y,z in items %}{{ x }}:{{ y }},{{ z }}/{% endfor %}", {"items": (('one', 1, 'carrot'), ('two', 2))}, ("one:1,carrot/two:2,/", "one:1,carrot/two:2,INVALID/")),
            'for-tag-unpack13': ("{% for x,y,z in items %}{{ x }}:{{ y }},{{ z }}/{% endfor %}", {"items": (('one', 1, 'carrot'), ('two', 2, 'cheese'))}, ("one:1,carrot/two:2,cheese/", "one:1,carrot/two:2,cheese/")),
            'for-tag-unpack14': ("{% for x,y in items %}{{ x }}:{{ y }}/{% endfor %}", {"items": (1, 2)}, (":/:/", "INVALID:INVALID/INVALID:INVALID/")),
            'for-tag-empty01': ("{% for val in values %}{{ val }}{% empty %}empty text{% endfor %}", {"values": [1, 2, 3]}, "123"),
            'for-tag-empty02': ("{% for val in values %}{{ val }}{% empty %}values array empty{% endfor %}", {"values": []}, "values array empty"),
            'for-tag-empty03': ("{% for val in values %}{{ val }}{% empty %}values array not found{% endfor %}", {}, "values array not found"),

            ### IF TAG ################################################################
            'if-tag01': ("{% if foo %}yes{% else %}no{% endif %}", {"foo": True}, "yes"),
            'if-tag02': ("{% if foo %}yes{% else %}no{% endif %}", {"foo": False}, "no"),
            'if-tag03': ("{% if foo %}yes{% else %}no{% endif %}", {}, "no"),

            'if-tag04': ("{% if foo %}foo{% elif bar %}bar{% endif %}", {'foo': True}, "foo"),
            'if-tag05': ("{% if foo %}foo{% elif bar %}bar{% endif %}", {'bar': True}, "bar"),
            'if-tag06': ("{% if foo %}foo{% elif bar %}bar{% endif %}", {}, ""),
            'if-tag07': ("{% if foo %}foo{% elif bar %}bar{% else %}nothing{% endif %}", {'foo': True}, "foo"),
            'if-tag08': ("{% if foo %}foo{% elif bar %}bar{% else %}nothing{% endif %}", {'bar': True}, "bar"),
            'if-tag09': ("{% if foo %}foo{% elif bar %}bar{% else %}nothing{% endif %}", {}, "nothing"),
            'if-tag10': ("{% if foo %}foo{% elif bar %}bar{% elif baz %}baz{% else %}nothing{% endif %}", {'foo': True}, "foo"),
            'if-tag11': ("{% if foo %}foo{% elif bar %}bar{% elif baz %}baz{% else %}nothing{% endif %}", {'bar': True}, "bar"),
            'if-tag12': ("{% if foo %}foo{% elif bar %}bar{% elif baz %}baz{% else %}nothing{% endif %}", {'baz': True}, "baz"),
            'if-tag13': ("{% if foo %}foo{% elif bar %}bar{% elif baz %}baz{% else %}nothing{% endif %}", {}, "nothing"),

            # Filters
            'if-tag-filter01': ("{% if foo|length == 5 %}yes{% else %}no{% endif %}", {'foo': 'abcde'}, "yes"),
            'if-tag-filter02': ("{% if foo|upper == 'ABC' %}yes{% else %}no{% endif %}", {}, "no"),

            # Equality
            'if-tag-eq01': ("{% if foo == bar %}yes{% else %}no{% endif %}", {}, "yes"),
            'if-tag-eq02': ("{% if foo == bar %}yes{% else %}no{% endif %}", {'foo': 1}, "no"),
            'if-tag-eq03': ("{% if foo == bar %}yes{% else %}no{% endif %}", {'foo': 1, 'bar': 1}, "yes"),
            'if-tag-eq04': ("{% if foo == bar %}yes{% else %}no{% endif %}", {'foo': 1, 'bar': 2}, "no"),
            'if-tag-eq05': ("{% if foo == '' %}yes{% else %}no{% endif %}", {}, "no"),

            # Comparison
            'if-tag-gt-01': ("{% if 2 > 1 %}yes{% else %}no{% endif %}", {}, "yes"),
            'if-tag-gt-02': ("{% if 1 > 1 %}yes{% else %}no{% endif %}", {}, "no"),
            'if-tag-gte-01': ("{% if 1 >= 1 %}yes{% else %}no{% endif %}", {}, "yes"),
            'if-tag-gte-02': ("{% if 1 >= 2 %}yes{% else %}no{% endif %}", {}, "no"),
            'if-tag-lt-01': ("{% if 1 < 2 %}yes{% else %}no{% endif %}", {}, "yes"),
            'if-tag-lt-02': ("{% if 1 < 1 %}yes{% else %}no{% endif %}", {}, "no"),
            'if-tag-lte-01': ("{% if 1 <= 1 %}yes{% else %}no{% endif %}", {}, "yes"),
            'if-tag-lte-02': ("{% if 2 <= 1 %}yes{% else %}no{% endif %}", {}, "no"),

            # Contains
            'if-tag-in-01': ("{% if 1 in x %}yes{% else %}no{% endif %}", {'x':[1]}, "yes"),
            'if-tag-in-02': ("{% if 2 in x %}yes{% else %}no{% endif %}", {'x':[1]}, "no"),
            'if-tag-not-in-01': ("{% if 1 not in x %}yes{% else %}no{% endif %}", {'x':[1]}, "no"),
            'if-tag-not-in-02': ("{% if 2 not in x %}yes{% else %}no{% endif %}", {'x':[1]}, "yes"),

            # AND
            'if-tag-and01': ("{% if foo and bar %}yes{% else %}no{% endif %}", {'foo': True, 'bar': True}, 'yes'),
            'if-tag-and02': ("{% if foo and bar %}yes{% else %}no{% endif %}", {'foo': True, 'bar': False}, 'no'),
            'if-tag-and03': ("{% if foo and bar %}yes{% else %}no{% endif %}", {'foo': False, 'bar': True}, 'no'),
            'if-tag-and04': ("{% if foo and bar %}yes{% else %}no{% endif %}", {'foo': False, 'bar': False}, 'no'),
            'if-tag-and05': ("{% if foo and bar %}yes{% else %}no{% endif %}", {'foo': False}, 'no'),
            'if-tag-and06': ("{% if foo and bar %}yes{% else %}no{% endif %}", {'bar': False}, 'no'),
            'if-tag-and07': ("{% if foo and bar %}yes{% else %}no{% endif %}", {'foo': True}, 'no'),
            'if-tag-and08': ("{% if foo and bar %}yes{% else %}no{% endif %}", {'bar': True}, 'no'),

            # OR
            'if-tag-or01': ("{% if foo or bar %}yes{% else %}no{% endif %}", {'foo': True, 'bar': True}, 'yes'),
            'if-tag-or02': ("{% if foo or bar %}yes{% else %}no{% endif %}", {'foo': True, 'bar': False}, 'yes'),
            'if-tag-or03': ("{% if foo or bar %}yes{% else %}no{% endif %}", {'foo': False, 'bar': True}, 'yes'),
            'if-tag-or04': ("{% if foo or bar %}yes{% else %}no{% endif %}", {'foo': False, 'bar': False}, 'no'),
            'if-tag-or05': ("{% if foo or bar %}yes{% else %}no{% endif %}", {'foo': False}, 'no'),
            'if-tag-or06': ("{% if foo or bar %}yes{% else %}no{% endif %}", {'bar': False}, 'no'),
            'if-tag-or07': ("{% if foo or bar %}yes{% else %}no{% endif %}", {'foo': True}, 'yes'),
            'if-tag-or08': ("{% if foo or bar %}yes{% else %}no{% endif %}", {'bar': True}, 'yes'),

            # multiple ORs
            'if-tag-or09': ("{% if foo or bar or baz %}yes{% else %}no{% endif %}", {'baz': True}, 'yes'),

            # NOT
            'if-tag-not01': ("{% if not foo %}no{% else %}yes{% endif %}", {'foo': True}, 'yes'),
            'if-tag-not02': ("{% if not not foo %}no{% else %}yes{% endif %}", {'foo': True}, 'no'),
            # not03 to not05 removed, now TemplateSyntaxErrors

            'if-tag-not06': ("{% if foo and not bar %}yes{% else %}no{% endif %}", {}, 'no'),
            'if-tag-not07': ("{% if foo and not bar %}yes{% else %}no{% endif %}", {'foo': True, 'bar': True}, 'no'),
            'if-tag-not08': ("{% if foo and not bar %}yes{% else %}no{% endif %}", {'foo': True, 'bar': False}, 'yes'),
            'if-tag-not09': ("{% if foo and not bar %}yes{% else %}no{% endif %}", {'foo': False, 'bar': True}, 'no'),
            'if-tag-not10': ("{% if foo and not bar %}yes{% else %}no{% endif %}", {'foo': False, 'bar': False}, 'no'),

            'if-tag-not11': ("{% if not foo and bar %}yes{% else %}no{% endif %}", {}, 'no'),
            'if-tag-not12': ("{% if not foo and bar %}yes{% else %}no{% endif %}", {'foo': True, 'bar': True}, 'no'),
            'if-tag-not13': ("{% if not foo and bar %}yes{% else %}no{% endif %}", {'foo': True, 'bar': False}, 'no'),
            'if-tag-not14': ("{% if not foo and bar %}yes{% else %}no{% endif %}", {'foo': False, 'bar': True}, 'yes'),
            'if-tag-not15': ("{% if not foo and bar %}yes{% else %}no{% endif %}", {'foo': False, 'bar': False}, 'no'),

            'if-tag-not16': ("{% if foo or not bar %}yes{% else %}no{% endif %}", {}, 'yes'),
            'if-tag-not17': ("{% if foo or not bar %}yes{% else %}no{% endif %}", {'foo': True, 'bar': True}, 'yes'),
            'if-tag-not18': ("{% if foo or not bar %}yes{% else %}no{% endif %}", {'foo': True, 'bar': False}, 'yes'),
            'if-tag-not19': ("{% if foo or not bar %}yes{% else %}no{% endif %}", {'foo': False, 'bar': True}, 'no'),
            'if-tag-not20': ("{% if foo or not bar %}yes{% else %}no{% endif %}", {'foo': False, 'bar': False}, 'yes'),

            'if-tag-not21': ("{% if not foo or bar %}yes{% else %}no{% endif %}", {}, 'yes'),
            'if-tag-not22': ("{% if not foo or bar %}yes{% else %}no{% endif %}", {'foo': True, 'bar': True}, 'yes'),
            'if-tag-not23': ("{% if not foo or bar %}yes{% else %}no{% endif %}", {'foo': True, 'bar': False}, 'no'),
            'if-tag-not24': ("{% if not foo or bar %}yes{% else %}no{% endif %}", {'foo': False, 'bar': True}, 'yes'),
            'if-tag-not25': ("{% if not foo or bar %}yes{% else %}no{% endif %}", {'foo': False, 'bar': False}, 'yes'),

            'if-tag-not26': ("{% if not foo and not bar %}yes{% else %}no{% endif %}", {}, 'yes'),
            'if-tag-not27': ("{% if not foo and not bar %}yes{% else %}no{% endif %}", {'foo': True, 'bar': True}, 'no'),
            'if-tag-not28': ("{% if not foo and not bar %}yes{% else %}no{% endif %}", {'foo': True, 'bar': False}, 'no'),
            'if-tag-not29': ("{% if not foo and not bar %}yes{% else %}no{% endif %}", {'foo': False, 'bar': True}, 'no'),
            'if-tag-not30': ("{% if not foo and not bar %}yes{% else %}no{% endif %}", {'foo': False, 'bar': False}, 'yes'),

            'if-tag-not31': ("{% if not foo or not bar %}yes{% else %}no{% endif %}", {}, 'yes'),
            'if-tag-not32': ("{% if not foo or not bar %}yes{% else %}no{% endif %}", {'foo': True, 'bar': True}, 'no'),
            'if-tag-not33': ("{% if not foo or not bar %}yes{% else %}no{% endif %}", {'foo': True, 'bar': False}, 'yes'),
            'if-tag-not34': ("{% if not foo or not bar %}yes{% else %}no{% endif %}", {'foo': False, 'bar': True}, 'yes'),
            'if-tag-not35': ("{% if not foo or not bar %}yes{% else %}no{% endif %}", {'foo': False, 'bar': False}, 'yes'),

            # Various syntax errors
            'if-tag-error01': ("{% if %}yes{% endif %}", {}, template.TemplateSyntaxError),
            'if-tag-error02': ("{% if foo and %}yes{% else %}no{% endif %}", {'foo': True}, template.TemplateSyntaxError),
            'if-tag-error03': ("{% if foo or %}yes{% else %}no{% endif %}", {'foo': True}, template.TemplateSyntaxError),
            'if-tag-error04': ("{% if not foo and %}yes{% else %}no{% endif %}", {'foo': True}, template.TemplateSyntaxError),
            'if-tag-error05': ("{% if not foo or %}yes{% else %}no{% endif %}", {'foo': True}, template.TemplateSyntaxError),
            'if-tag-error06': ("{% if abc def %}yes{% endif %}", {}, template.TemplateSyntaxError),
            'if-tag-error07': ("{% if not %}yes{% endif %}", {}, template.TemplateSyntaxError),
            'if-tag-error08': ("{% if and %}yes{% endif %}", {}, template.TemplateSyntaxError),
            'if-tag-error09': ("{% if or %}yes{% endif %}", {}, template.TemplateSyntaxError),
            'if-tag-error10': ("{% if == %}yes{% endif %}", {}, template.TemplateSyntaxError),
            'if-tag-error11': ("{% if 1 == %}yes{% endif %}", {}, template.TemplateSyntaxError),
            'if-tag-error12': ("{% if a not b %}yes{% endif %}", {}, template.TemplateSyntaxError),

            # If evaluations are shortcircuited where possible
            # If is_bad is invoked, it will raise a ShouldNotExecuteException
            'if-tag-shortcircuit01': ('{% if x.is_true or x.is_bad %}yes{% else %}no{% endif %}', {'x': TestObj()}, "yes"),
            'if-tag-shortcircuit02': ('{% if x.is_false and x.is_bad %}yes{% else %}no{% endif %}', {'x': TestObj()}, "no"),

            # Non-existent args
            'if-tag-badarg01':("{% if x|default_if_none:y %}yes{% endif %}", {}, ''),
            'if-tag-badarg02':("{% if x|default_if_none:y %}yes{% endif %}", {'y': 0}, ''),
            'if-tag-badarg03':("{% if x|default_if_none:y %}yes{% endif %}", {'y': 1}, 'yes'),
            'if-tag-badarg04':("{% if x|default_if_none:y %}yes{% else %}no{% endif %}", {}, 'no'),

            # Additional, more precise parsing tests are in SmartIfTests

            ### IFCHANGED TAG #########################################################
            'ifchanged01': ('{% for n in num %}{% ifchanged %}{{ n }}{% endifchanged %}{% endfor %}', {'num': (1,2,3)}, '123'),
            'ifchanged02': ('{% for n in num %}{% ifchanged %}{{ n }}{% endifchanged %}{% endfor %}', {'num': (1,1,3)}, '13'),
            'ifchanged03': ('{% for n in num %}{% ifchanged %}{{ n }}{% endifchanged %}{% endfor %}', {'num': (1,1,1)}, '1'),
            'ifchanged04': ('{% for n in num %}{% ifchanged %}{{ n }}{% endifchanged %}{% for x in numx %}{% ifchanged %}{{ x }}{% endifchanged %}{% endfor %}{% endfor %}', {'num': (1, 2, 3), 'numx': (2, 2, 2)}, '122232'),
            'ifchanged05': ('{% for n in num %}{% ifchanged %}{{ n }}{% endifchanged %}{% for x in numx %}{% ifchanged %}{{ x }}{% endifchanged %}{% endfor %}{% endfor %}', {'num': (1, 1, 1), 'numx': (1, 2, 3)}, '1123123123'),
            'ifchanged06': ('{% for n in num %}{% ifchanged %}{{ n }}{% endifchanged %}{% for x in numx %}{% ifchanged %}{{ x }}{% endifchanged %}{% endfor %}{% endfor %}', {'num': (1, 1, 1), 'numx': (2, 2, 2)}, '1222'),
            'ifchanged07': ('{% for n in num %}{% ifchanged %}{{ n }}{% endifchanged %}{% for x in numx %}{% ifchanged %}{{ x }}{% endifchanged %}{% for y in numy %}{% ifchanged %}{{ y }}{% endifchanged %}{% endfor %}{% endfor %}{% endfor %}', {'num': (1, 1, 1), 'numx': (2, 2, 2), 'numy': (3, 3, 3)}, '1233323332333'),
            'ifchanged08': ('{% for data in datalist %}{% for c,d in data %}{% if c %}{% ifchanged %}{{ d }}{% endifchanged %}{% endif %}{% endfor %}{% endfor %}', {'datalist': [[(1, 'a'), (1, 'a'), (0, 'b'), (1, 'c')], [(0, 'a'), (1, 'c'), (1, 'd'), (1, 'd'), (0, 'e')]]}, 'accd'),

            # Test one parameter given to ifchanged.
            'ifchanged-param01': ('{% for n in num %}{% ifchanged n %}..{% endifchanged %}{{ n }}{% endfor %}', { 'num': (1,2,3) }, '..1..2..3'),
            'ifchanged-param02': ('{% for n in num %}{% for x in numx %}{% ifchanged n %}..{% endifchanged %}{{ x }}{% endfor %}{% endfor %}', { 'num': (1,2,3), 'numx': (5,6,7) }, '..567..567..567'),

            # Test multiple parameters to ifchanged.
            'ifchanged-param03': ('{% for n in num %}{{ n }}{% for x in numx %}{% ifchanged x n %}{{ x }}{% endifchanged %}{% endfor %}{% endfor %}', { 'num': (1,1,2), 'numx': (5,6,6) }, '156156256'),

            # Test a date+hour like construct, where the hour of the last day
            # is the same but the date had changed, so print the hour anyway.
            'ifchanged-param04': ('{% for d in days %}{% ifchanged %}{{ d.day }}{% endifchanged %}{% for h in d.hours %}{% ifchanged d h %}{{ h }}{% endifchanged %}{% endfor %}{% endfor %}', {'days':[{'day':1, 'hours':[1,2,3]},{'day':2, 'hours':[3]},] }, '112323'),

            # Logically the same as above, just written with explicit
            # ifchanged for the day.
            'ifchanged-param05': ('{% for d in days %}{% ifchanged d.day %}{{ d.day }}{% endifchanged %}{% for h in d.hours %}{% ifchanged d.day h %}{{ h }}{% endifchanged %}{% endfor %}{% endfor %}', {'days':[{'day':1, 'hours':[1,2,3]},{'day':2, 'hours':[3]},] }, '112323'),

            # Test the else clause of ifchanged.
            'ifchanged-else01': ('{% for id in ids %}{{ id }}{% ifchanged id %}-first{% else %}-other{% endifchanged %},{% endfor %}', {'ids': [1,1,2,2,2,3]}, '1-first,1-other,2-first,2-other,2-other,3-first,'),

            'ifchanged-else02': ('{% for id in ids %}{{ id }}-{% ifchanged id %}{% cycle red,blue %}{% else %}grey{% endifchanged %},{% endfor %}', {'ids': [1,1,2,2,2,3]}, '1-red,1-grey,2-blue,2-grey,2-grey,3-red,'),
            'ifchanged-else03': ('{% for id in ids %}{{ id }}{% ifchanged id %}-{% cycle red,blue %}{% else %}{% endifchanged %},{% endfor %}', {'ids': [1,1,2,2,2,3]}, '1-red,1,2-blue,2,2,3-red,'),

            'ifchanged-else04': ('{% for id in ids %}{% ifchanged %}***{{ id }}*{% else %}...{% endifchanged %}{{ forloop.counter }}{% endfor %}', {'ids': [1,1,2,2,2,3,4]}, '***1*1...2***2*3...4...5***3*6***4*7'),

            ### IFEQUAL TAG ###########################################################
            'ifequal01': ("{% ifequal a b %}yes{% endifequal %}", {"a": 1, "b": 2}, ""),
            'ifequal02': ("{% ifequal a b %}yes{% endifequal %}", {"a": 1, "b": 1}, "yes"),
            'ifequal03': ("{% ifequal a b %}yes{% else %}no{% endifequal %}", {"a": 1, "b": 2}, "no"),
            'ifequal04': ("{% ifequal a b %}yes{% else %}no{% endifequal %}", {"a": 1, "b": 1}, "yes"),
            'ifequal05': ("{% ifequal a 'test' %}yes{% else %}no{% endifequal %}", {"a": "test"}, "yes"),
            'ifequal06': ("{% ifequal a 'test' %}yes{% else %}no{% endifequal %}", {"a": "no"}, "no"),
            'ifequal07': ('{% ifequal a "test" %}yes{% else %}no{% endifequal %}', {"a": "test"}, "yes"),
            'ifequal08': ('{% ifequal a "test" %}yes{% else %}no{% endifequal %}', {"a": "no"}, "no"),
            'ifequal09': ('{% ifequal a "test" %}yes{% else %}no{% endifequal %}', {}, "no"),
            'ifequal10': ('{% ifequal a b %}yes{% else %}no{% endifequal %}', {}, "yes"),

            # SMART SPLITTING
            'ifequal-split01': ('{% ifequal a "test man" %}yes{% else %}no{% endifequal %}', {}, "no"),
            'ifequal-split02': ('{% ifequal a "test man" %}yes{% else %}no{% endifequal %}', {'a': 'foo'}, "no"),
            'ifequal-split03': ('{% ifequal a "test man" %}yes{% else %}no{% endifequal %}', {'a': 'test man'}, "yes"),
            'ifequal-split04': ("{% ifequal a 'test man' %}yes{% else %}no{% endifequal %}", {'a': 'test man'}, "yes"),
            'ifequal-split05': ("{% ifequal a 'i \"love\" you' %}yes{% else %}no{% endifequal %}", {'a': ''}, "no"),
            'ifequal-split06': ("{% ifequal a 'i \"love\" you' %}yes{% else %}no{% endifequal %}", {'a': 'i "love" you'}, "yes"),
            'ifequal-split07': ("{% ifequal a 'i \"love\" you' %}yes{% else %}no{% endifequal %}", {'a': 'i love you'}, "no"),
            'ifequal-split08': (r"{% ifequal a 'I\'m happy' %}yes{% else %}no{% endifequal %}", {'a': "I'm happy"}, "yes"),
            'ifequal-split09': (r"{% ifequal a 'slash\man' %}yes{% else %}no{% endifequal %}", {'a': r"slash\man"}, "yes"),
            'ifequal-split10': (r"{% ifequal a 'slash\man' %}yes{% else %}no{% endifequal %}", {'a': r"slashman"}, "no"),

            # NUMERIC RESOLUTION
            'ifequal-numeric01': ('{% ifequal x 5 %}yes{% endifequal %}', {'x': '5'}, ''),
            'ifequal-numeric02': ('{% ifequal x 5 %}yes{% endifequal %}', {'x': 5}, 'yes'),
            'ifequal-numeric03': ('{% ifequal x 5.2 %}yes{% endifequal %}', {'x': 5}, ''),
            'ifequal-numeric04': ('{% ifequal x 5.2 %}yes{% endifequal %}', {'x': 5.2}, 'yes'),
            'ifequal-numeric05': ('{% ifequal x 0.2 %}yes{% endifequal %}', {'x': .2}, 'yes'),
            'ifequal-numeric06': ('{% ifequal x .2 %}yes{% endifequal %}', {'x': .2}, 'yes'),
            'ifequal-numeric07': ('{% ifequal x 2. %}yes{% endifequal %}', {'x': 2}, ''),
            'ifequal-numeric08': ('{% ifequal x "5" %}yes{% endifequal %}', {'x': 5}, ''),
            'ifequal-numeric09': ('{% ifequal x "5" %}yes{% endifequal %}', {'x': '5'}, 'yes'),
            'ifequal-numeric10': ('{% ifequal x -5 %}yes{% endifequal %}', {'x': -5}, 'yes'),
            'ifequal-numeric11': ('{% ifequal x -5.2 %}yes{% endifequal %}', {'x': -5.2}, 'yes'),
            'ifequal-numeric12': ('{% ifequal x +5 %}yes{% endifequal %}', {'x': 5}, 'yes'),

            # FILTER EXPRESSIONS AS ARGUMENTS
            'ifequal-filter01': ('{% ifequal a|upper "A" %}x{% endifequal %}', {'a': 'a'}, 'x'),
            'ifequal-filter02': ('{% ifequal "A" a|upper %}x{% endifequal %}', {'a': 'a'}, 'x'),
            'ifequal-filter03': ('{% ifequal a|upper b|upper %}x{% endifequal %}', {'a': 'x', 'b': 'X'}, 'x'),
            'ifequal-filter04': ('{% ifequal x|slice:"1" "a" %}x{% endifequal %}', {'x': 'aaa'}, 'x'),
            'ifequal-filter05': ('{% ifequal x|slice:"1"|upper "A" %}x{% endifequal %}', {'x': 'aaa'}, 'x'),

            ### IFNOTEQUAL TAG ########################################################
            'ifnotequal01': ("{% ifnotequal a b %}yes{% endifnotequal %}", {"a": 1, "b": 2}, "yes"),
            'ifnotequal02': ("{% ifnotequal a b %}yes{% endifnotequal %}", {"a": 1, "b": 1}, ""),
            'ifnotequal03': ("{% ifnotequal a b %}yes{% else %}no{% endifnotequal %}", {"a": 1, "b": 2}, "yes"),
            'ifnotequal04': ("{% ifnotequal a b %}yes{% else %}no{% endifnotequal %}", {"a": 1, "b": 1}, "no"),

            ## INCLUDE TAG ###########################################################
            'include01': ('{% include "basic-syntax01" %}', {}, "something cool"),
            'include02': ('{% include "basic-syntax02" %}', {'headline': 'Included'}, "Included"),
            'include03': ('{% include template_name %}', {'template_name': 'basic-syntax02', 'headline': 'Included'}, "Included"),
            'include04': ('a{% include "nonexistent" %}b', {}, ("ab", "ab", template.TemplateDoesNotExist)),
            'include 05': ('template with a space', {}, 'template with a space'),
            'include06': ('{% include "include 05"%}', {}, 'template with a space'),

            # extra inline context
            'include07': ('{% include "basic-syntax02" with headline="Inline" %}', {'headline': 'Included'}, 'Inline'),
            'include08': ('{% include headline with headline="Dynamic" %}', {'headline': 'basic-syntax02'}, 'Dynamic'),
            'include09': ('{{ first }}--{% include "basic-syntax03" with first=second|lower|upper second=first|upper %}--{{ second }}', {'first': 'Ul', 'second': 'lU'}, 'Ul--LU --- UL--lU'),

            # isolated context
            'include10': ('{% include "basic-syntax03" only %}', {'first': '1'}, (' --- ', 'INVALID --- INVALID')),
            'include11': ('{% include "basic-syntax03" only with second=2 %}', {'first': '1'}, (' --- 2', 'INVALID --- 2')),
            'include12': ('{% include "basic-syntax03" with first=1 only %}', {'second': '2'}, ('1 --- ', '1 --- INVALID')),

            # autoescape context
            'include13': ('{% autoescape off %}{% include "basic-syntax03" %}{% endautoescape %}', {'first': '&'}, ('& --- ', '& --- INVALID')),
            'include14': ('{% autoescape off %}{% include "basic-syntax03" with first=var1 only %}{% endautoescape %}', {'var1': '&'}, ('& --- ', '& --- INVALID')),

            'include-error01': ('{% include "basic-syntax01" with %}', {}, template.TemplateSyntaxError),
            'include-error02': ('{% include "basic-syntax01" with "no key" %}', {}, template.TemplateSyntaxError),
            'include-error03': ('{% include "basic-syntax01" with dotted.arg="error" %}', {}, template.TemplateSyntaxError),
            'include-error04': ('{% include "basic-syntax01" something_random %}', {}, template.TemplateSyntaxError),
            'include-error05': ('{% include "basic-syntax01" foo="duplicate" foo="key" %}', {}, template.TemplateSyntaxError),
            'include-error06': ('{% include "basic-syntax01" only only %}', {}, template.TemplateSyntaxError),

            ### INCLUSION ERROR REPORTING #############################################
            'include-fail1': ('{% load bad_tag %}{% badtag %}', {}, RuntimeError),
            'include-fail2': ('{% load broken_tag %}', {}, template.TemplateSyntaxError),
            'include-error07': ('{% include "include-fail1" %}', {}, ('', '', RuntimeError)),
            'include-error08': ('{% include "include-fail2" %}', {}, ('', '', template.TemplateSyntaxError)),
            'include-error09': ('{% include failed_include %}', {'failed_include': 'include-fail1'}, ('', '', RuntimeError)),
            'include-error10': ('{% include failed_include %}', {'failed_include': 'include-fail2'}, ('', '', template.TemplateSyntaxError)),


            ### NAMED ENDBLOCKS #######################################################

            # Basic test
            'namedendblocks01': ("1{% block first %}_{% block second %}2{% endblock second %}_{% endblock first %}3", {}, '1_2_3'),

            # Unbalanced blocks
            'namedendblocks02': ("1{% block first %}_{% block second %}2{% endblock first %}_{% endblock second %}3", {}, template.TemplateSyntaxError),
            'namedendblocks03': ("1{% block first %}_{% block second %}2{% endblock %}_{% endblock second %}3", {}, template.TemplateSyntaxError),
            'namedendblocks04': ("1{% block first %}_{% block second %}2{% endblock second %}_{% endblock third %}3", {}, template.TemplateSyntaxError),
            'namedendblocks05': ("1{% block first %}_{% block second %}2{% endblock first %}", {}, template.TemplateSyntaxError),

            # Mixed named and unnamed endblocks
            'namedendblocks06': ("1{% block first %}_{% block second %}2{% endblock %}_{% endblock first %}3", {}, '1_2_3'),
            'namedendblocks07': ("1{% block first %}_{% block second %}2{% endblock second %}_{% endblock %}3", {}, '1_2_3'),

            ### INHERITANCE ###########################################################

            # Standard template with no inheritance
            'inheritance01': ("1{% block first %}&{% endblock %}3{% block second %}_{% endblock %}", {}, '1&3_'),

            # Standard two-level inheritance
            'inheritance02': ("{% extends 'inheritance01' %}{% block first %}2{% endblock %}{% block second %}4{% endblock %}", {}, '1234'),

            # Three-level with no redefinitions on third level
            'inheritance03': ("{% extends 'inheritance02' %}", {}, '1234'),

            # Two-level with no redefinitions on second level
            'inheritance04': ("{% extends 'inheritance01' %}", {}, '1&3_'),

            # Two-level with double quotes instead of single quotes
            'inheritance05': ('{% extends "inheritance02" %}', {}, '1234'),

            # Three-level with variable parent-template name
            'inheritance06': ("{% extends foo %}", {'foo': 'inheritance02'}, '1234'),

            # Two-level with one block defined, one block not defined
            'inheritance07': ("{% extends 'inheritance01' %}{% block second %}5{% endblock %}", {}, '1&35'),

            # Three-level with one block defined on this level, two blocks defined next level
            'inheritance08': ("{% extends 'inheritance02' %}{% block second %}5{% endblock %}", {}, '1235'),

            # Three-level with second and third levels blank
            'inheritance09': ("{% extends 'inheritance04' %}", {}, '1&3_'),

            # Three-level with space NOT in a block -- should be ignored
            'inheritance10': ("{% extends 'inheritance04' %}      ", {}, '1&3_'),

            # Three-level with both blocks defined on this level, but none on second level
            'inheritance11': ("{% extends 'inheritance04' %}{% block first %}2{% endblock %}{% block second %}4{% endblock %}", {}, '1234'),

            # Three-level with this level providing one and second level providing the other
            'inheritance12': ("{% extends 'inheritance07' %}{% block first %}2{% endblock %}", {}, '1235'),

            # Three-level with this level overriding second level
            'inheritance13': ("{% extends 'inheritance02' %}{% block first %}a{% endblock %}{% block second %}b{% endblock %}", {}, '1a3b'),

            # A block defined only in a child template shouldn't be displayed
            'inheritance14': ("{% extends 'inheritance01' %}{% block newblock %}NO DISPLAY{% endblock %}", {}, '1&3_'),

            # A block within another block
            'inheritance15': ("{% extends 'inheritance01' %}{% block first %}2{% block inner %}inner{% endblock %}{% endblock %}", {}, '12inner3_'),

            # A block within another block (level 2)
            'inheritance16': ("{% extends 'inheritance15' %}{% block inner %}out{% endblock %}", {}, '12out3_'),

            # {% load %} tag (parent -- setup for exception04)
            'inheritance17': ("{% load testtags %}{% block first %}1234{% endblock %}", {}, '1234'),

            # {% load %} tag (standard usage, without inheritance)
            'inheritance18': ("{% load testtags %}{% echo this that theother %}5678", {}, 'this that theother5678'),

            # {% load %} tag (within a child template)
            'inheritance19': ("{% extends 'inheritance01' %}{% block first %}{% load testtags %}{% echo 400 %}5678{% endblock %}", {}, '140056783_'),

            # Two-level inheritance with {{ block.super }}
            'inheritance20': ("{% extends 'inheritance01' %}{% block first %}{{ block.super }}a{% endblock %}", {}, '1&a3_'),

            # Three-level inheritance with {{ block.super }} from parent
            'inheritance21': ("{% extends 'inheritance02' %}{% block first %}{{ block.super }}a{% endblock %}", {}, '12a34'),

            # Three-level inheritance with {{ block.super }} from grandparent
            'inheritance22': ("{% extends 'inheritance04' %}{% block first %}{{ block.super }}a{% endblock %}", {}, '1&a3_'),

            # Three-level inheritance with {{ block.super }} from parent and grandparent
            'inheritance23': ("{% extends 'inheritance20' %}{% block first %}{{ block.super }}b{% endblock %}", {}, '1&ab3_'),

            # Inheritance from local context without use of template loader
            'inheritance24': ("{% extends context_template %}{% block first %}2{% endblock %}{% block second %}4{% endblock %}", {'context_template': template.Template("1{% block first %}_{% endblock %}3{% block second %}_{% endblock %}")}, '1234'),

            # Inheritance from local context with variable parent template
            'inheritance25': ("{% extends context_template.1 %}{% block first %}2{% endblock %}{% block second %}4{% endblock %}", {'context_template': [template.Template("Wrong"), template.Template("1{% block first %}_{% endblock %}3{% block second %}_{% endblock %}")]}, '1234'),

            # Set up a base template to extend
            'inheritance26': ("no tags", {}, 'no tags'),

            # Inheritance from a template that doesn't have any blocks
            'inheritance27': ("{% extends 'inheritance26' %}", {}, 'no tags'),

            # Set up a base template with a space in it.
            'inheritance 28': ("{% block first %}!{% endblock %}", {}, '!'),

            # Inheritance from a template with a space in its name should work.
            'inheritance29': ("{% extends 'inheritance 28' %}", {}, '!'),

            # Base template, putting block in a conditional {% if %} tag
            'inheritance30': ("1{% if optional %}{% block opt %}2{% endblock %}{% endif %}3", {'optional': True}, '123'),

            # Inherit from a template with block wrapped in an {% if %} tag (in parent), still gets overridden
            'inheritance31': ("{% extends 'inheritance30' %}{% block opt %}two{% endblock %}", {'optional': True}, '1two3'),
            'inheritance32': ("{% extends 'inheritance30' %}{% block opt %}two{% endblock %}", {}, '13'),

            # Base template, putting block in a conditional {% ifequal %} tag
            'inheritance33': ("1{% ifequal optional 1 %}{% block opt %}2{% endblock %}{% endifequal %}3", {'optional': 1}, '123'),

            # Inherit from a template with block wrapped in an {% ifequal %} tag (in parent), still gets overridden
            'inheritance34': ("{% extends 'inheritance33' %}{% block opt %}two{% endblock %}", {'optional': 1}, '1two3'),
            'inheritance35': ("{% extends 'inheritance33' %}{% block opt %}two{% endblock %}", {'optional': 2}, '13'),

            # Base template, putting block in a {% for %} tag
            'inheritance36': ("{% for n in numbers %}_{% block opt %}{{ n }}{% endblock %}{% endfor %}_", {'numbers': '123'}, '_1_2_3_'),

            # Inherit from a template with block wrapped in an {% for %} tag (in parent), still gets overridden
            'inheritance37': ("{% extends 'inheritance36' %}{% block opt %}X{% endblock %}", {'numbers': '123'}, '_X_X_X_'),
            'inheritance38': ("{% extends 'inheritance36' %}{% block opt %}X{% endblock %}", {}, '_'),

            # The super block will still be found.
            'inheritance39': ("{% extends 'inheritance30' %}{% block opt %}new{{ block.super }}{% endblock %}", {'optional': True}, '1new23'),
            'inheritance40': ("{% extends 'inheritance33' %}{% block opt %}new{{ block.super }}{% endblock %}", {'optional': 1}, '1new23'),
            'inheritance41': ("{% extends 'inheritance36' %}{% block opt %}new{{ block.super }}{% endblock %}", {'numbers': '123'}, '_new1_new2_new3_'),

            # Expression starting and ending with a quote
            'inheritance42': ("{% extends 'inheritance02'|cut:' ' %}", {}, '1234'),

            ### LOADING TAG LIBRARIES #################################################
            'load01': ("{% load testtags subpackage.echo %}{% echo test %} {% echo2 \"test\" %}", {}, "test test"),
            'load02': ("{% load subpackage.echo %}{% echo2 \"test\" %}", {}, "test"),

            # {% load %} tag, importing individual tags
            'load03': ("{% load echo from testtags %}{% echo this that theother %}", {}, 'this that theother'),
            'load04': ("{% load echo other_echo from testtags %}{% echo this that theother %} {% other_echo and another thing %}", {}, 'this that theother and another thing'),
            'load05': ("{% load echo upper from testtags %}{% echo this that theother %} {{ statement|upper }}", {'statement': 'not shouting'}, 'this that theother NOT SHOUTING'),
            'load06': ("{% load echo2 from subpackage.echo %}{% echo2 \"test\" %}", {}, "test"),

            # {% load %} tag errors
            'load07': ("{% load echo other_echo bad_tag from testtags %}", {}, template.TemplateSyntaxError),
            'load08': ("{% load echo other_echo bad_tag from %}", {}, template.TemplateSyntaxError),
            'load09': ("{% load from testtags %}", {}, template.TemplateSyntaxError),
            'load10': ("{% load echo from bad_library %}", {}, template.TemplateSyntaxError),
            'load11': ("{% load subpackage.echo_invalid %}", {}, template.TemplateSyntaxError),
            'load12': ("{% load subpackage.missing %}", {}, template.TemplateSyntaxError),

            ### I18N ##################################################################

            # {% spaceless %} tag
            'spaceless01': ("{% spaceless %} <b>    <i> text </i>    </b> {% endspaceless %}", {}, "<b><i> text </i></b>"),
            'spaceless02': ("{% spaceless %} <b> \n <i> text </i> \n </b> {% endspaceless %}", {}, "<b><i> text </i></b>"),
            'spaceless03': ("{% spaceless %}<b><i>text</i></b>{% endspaceless %}", {}, "<b><i>text</i></b>"),
            'spaceless04': ("{% spaceless %}<b>   <i>{{ text }}</i>  </b>{% endspaceless %}", {'text' : 'This & that'}, "<b><i>This &amp; that</i></b>"),
            'spaceless05': ("{% autoescape off %}{% spaceless %}<b>   <i>{{ text }}</i>  </b>{% endspaceless %}{% endautoescape %}", {'text' : 'This & that'}, "<b><i>This & that</i></b>"),
            'spaceless06': ("{% spaceless %}<b>   <i>{{ text|safe }}</i>  </b>{% endspaceless %}", {'text' : 'This & that'}, "<b><i>This & that</i></b>"),

            # simple translation of a string delimited by '
            'i18n01': ("{% load i18n %}{% trans 'xxxyyyxxx' %}", {}, "xxxyyyxxx"),

            # simple translation of a string delimited by "
            'i18n02': ('{% load i18n %}{% trans "xxxyyyxxx" %}', {}, "xxxyyyxxx"),

            # simple translation of a variable
            'i18n03': ('{% load i18n %}{% blocktrans %}{{ anton }}{% endblocktrans %}', {'anton': b'\xc3\x85'}, "Å"),

            # simple translation of a variable and filter
            'i18n04': ('{% load i18n %}{% blocktrans with berta=anton|lower %}{{ berta }}{% endblocktrans %}', {'anton': b'\xc3\x85'}, 'å'),
            'legacyi18n04': ('{% load i18n %}{% blocktrans with anton|lower as berta %}{{ berta }}{% endblocktrans %}', {'anton': b'\xc3\x85'}, 'å'),

            # simple translation of a string with interpolation
            'i18n05': ('{% load i18n %}{% blocktrans %}xxx{{ anton }}xxx{% endblocktrans %}', {'anton': 'yyy'}, "xxxyyyxxx"),

            # simple translation of a string to german
            'i18n06': ('{% load i18n %}{% trans "Page not found" %}', {'LANGUAGE_CODE': 'de'}, "Seite nicht gefunden"),

            # translation of singular form
            'i18n07': ('{% load i18n %}{% blocktrans count counter=number %}singular{% plural %}{{ counter }} plural{% endblocktrans %}', {'number': 1}, "singular"),
            'legacyi18n07': ('{% load i18n %}{% blocktrans count number as counter %}singular{% plural %}{{ counter }} plural{% endblocktrans %}', {'number': 1}, "singular"),

            # translation of plural form
            'i18n08': ('{% load i18n %}{% blocktrans count number as counter %}singular{% plural %}{{ counter }} plural{% endblocktrans %}', {'number': 2}, "2 plural"),
            'legacyi18n08': ('{% load i18n %}{% blocktrans count counter=number %}singular{% plural %}{{ counter }} plural{% endblocktrans %}', {'number': 2}, "2 plural"),

            # simple non-translation (only marking) of a string to german
            'i18n09': ('{% load i18n %}{% trans "Page not found" noop %}', {'LANGUAGE_CODE': 'de'}, "Page not found"),

            # translation of a variable with a translated filter
            'i18n10': ('{{ bool|yesno:_("yes,no,maybe") }}', {'bool': True, 'LANGUAGE_CODE': 'de'}, 'Ja'),

            # translation of a variable with a non-translated filter
            'i18n11': ('{{ bool|yesno:"ja,nein" }}', {'bool': True}, 'ja'),

            # usage of the get_available_languages tag
            'i18n12': ('{% load i18n %}{% get_available_languages as langs %}{% for lang in langs %}{% ifequal lang.0 "de" %}{{ lang.0 }}{% endifequal %}{% endfor %}', {}, 'de'),

            # translation of constant strings
            'i18n13': ('{{ _("Password") }}', {'LANGUAGE_CODE': 'de'}, 'Passwort'),
            'i18n14': ('{% cycle "foo" _("Password") _(\'Password\') as c %} {% cycle c %} {% cycle c %}', {'LANGUAGE_CODE': 'de'}, 'foo Passwort Passwort'),
            'i18n15': ('{{ absent|default:_("Password") }}', {'LANGUAGE_CODE': 'de', 'absent': ""}, 'Passwort'),
            'i18n16': ('{{ _("<") }}', {'LANGUAGE_CODE': 'de'}, '<'),

            # Escaping inside blocktrans and trans works as if it was directly in the
            # template.
            'i18n17': ('{% load i18n %}{% blocktrans with berta=anton|escape %}{{ berta }}{% endblocktrans %}', {'anton': 'α & β'}, 'α &amp; β'),
            'i18n18': ('{% load i18n %}{% blocktrans with berta=anton|force_escape %}{{ berta }}{% endblocktrans %}', {'anton': 'α & β'}, 'α &amp; β'),
            'i18n19': ('{% load i18n %}{% blocktrans %}{{ andrew }}{% endblocktrans %}', {'andrew': 'a & b'}, 'a &amp; b'),
            'i18n20': ('{% load i18n %}{% trans andrew %}', {'andrew': 'a & b'}, 'a &amp; b'),
            'i18n21': ('{% load i18n %}{% blocktrans %}{{ andrew }}{% endblocktrans %}', {'andrew': mark_safe('a & b')}, 'a & b'),
            'i18n22': ('{% load i18n %}{% trans andrew %}', {'andrew': mark_safe('a & b')}, 'a & b'),
            'legacyi18n17': ('{% load i18n %}{% blocktrans with anton|escape as berta %}{{ berta }}{% endblocktrans %}', {'anton': 'α & β'}, 'α &amp; β'),
            'legacyi18n18': ('{% load i18n %}{% blocktrans with anton|force_escape as berta %}{{ berta }}{% endblocktrans %}', {'anton': 'α & β'}, 'α &amp; β'),

            # Use filters with the {% trans %} tag, #5972
            'i18n23': ('{% load i18n %}{% trans "Page not found"|capfirst|slice:"6:" %}', {'LANGUAGE_CODE': 'de'}, 'nicht gefunden'),
            'i18n24': ("{% load i18n %}{% trans 'Page not found'|upper %}", {'LANGUAGE_CODE': 'de'}, 'SEITE NICHT GEFUNDEN'),
            'i18n25': ('{% load i18n %}{% trans somevar|upper %}', {'somevar': 'Page not found', 'LANGUAGE_CODE': 'de'}, 'SEITE NICHT GEFUNDEN'),

            # translation of plural form with extra field in singular form (#13568)
            'i18n26': ('{% load i18n %}{% blocktrans with extra_field=myextra_field count counter=number %}singular {{ extra_field }}{% plural %}plural{% endblocktrans %}', {'number': 1, 'myextra_field': 'test'}, "singular test"),
            'legacyi18n26': ('{% load i18n %}{% blocktrans with myextra_field as extra_field count number as counter %}singular {{ extra_field }}{% plural %}plural{% endblocktrans %}', {'number': 1, 'myextra_field': 'test'}, "singular test"),

            # translation of singular form in russian (#14126)
            'i18n27': ('{% load i18n %}{% blocktrans count counter=number %}{{ counter }} result{% plural %}{{ counter }} results{% endblocktrans %}', {'number': 1, 'LANGUAGE_CODE': 'ru'}, '1 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442'),
            'legacyi18n27': ('{% load i18n %}{% blocktrans count number as counter %}{{ counter }} result{% plural %}{{ counter }} results{% endblocktrans %}', {'number': 1, 'LANGUAGE_CODE': 'ru'}, '1 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442'),

            # simple translation of multiple variables
            'i18n28': ('{% load i18n %}{% blocktrans with a=anton b=berta %}{{ a }} + {{ b }}{% endblocktrans %}', {'anton': 'α', 'berta': 'β'}, 'α + β'),
            'legacyi18n28': ('{% load i18n %}{% blocktrans with anton as a and berta as b %}{{ a }} + {{ b }}{% endblocktrans %}', {'anton': 'α', 'berta': 'β'}, 'α + β'),

            # retrieving language information
            'i18n28_2': ('{% load i18n %}{% get_language_info for "de" as l %}{{ l.code }}: {{ l.name }}/{{ l.name_local }} bidi={{ l.bidi }}', {}, 'de: German/Deutsch bidi=False'),
            'i18n29': ('{% load i18n %}{% get_language_info for LANGUAGE_CODE as l %}{{ l.code }}: {{ l.name }}/{{ l.name_local }} bidi={{ l.bidi }}', {'LANGUAGE_CODE': 'fi'}, 'fi: Finnish/suomi bidi=False'),
            'i18n30': ('{% load i18n %}{% get_language_info_list for langcodes as langs %}{% for l in langs %}{{ l.code }}: {{ l.name }}/{{ l.name_local }} bidi={{ l.bidi }}; {% endfor %}', {'langcodes': ['it', 'no']}, 'it: Italian/italiano bidi=False; no: Norwegian/norsk bidi=False; '),
            'i18n31': ('{% load i18n %}{% get_language_info_list for langcodes as langs %}{% for l in langs %}{{ l.code }}: {{ l.name }}/{{ l.name_local }} bidi={{ l.bidi }}; {% endfor %}', {'langcodes': (('sl', 'Slovenian'), ('fa', 'Persian'))}, 'sl: Slovenian/Sloven\u0161\u010dina bidi=False; fa: Persian/\u0641\u0627\u0631\u0633\u06cc bidi=True; '),
            'i18n32': ('{% load i18n %}{{ "hu"|language_name }} {{ "hu"|language_name_local }} {{ "hu"|language_bidi }}', {}, 'Hungarian Magyar False'),
            'i18n33': ('{% load i18n %}{{ langcode|language_name }} {{ langcode|language_name_local }} {{ langcode|language_bidi }}', {'langcode': 'nl'}, 'Dutch Nederlands False'),

            # blocktrans handling of variables which are not in the context.
            'i18n34': ('{% load i18n %}{% blocktrans %}{{ missing }}{% endblocktrans %}', {}, ''),

            # trans tag with as var
            'i18n35': ('{% load i18n %}{% trans "Page not found" as page_not_found %}{{ page_not_found }}', {'LANGUAGE_CODE': 'de'}, "Seite nicht gefunden"),
            'i18n36': ('{% load i18n %}{% trans "Page not found" noop as page_not_found %}{{ page_not_found }}', {'LANGUAGE_CODE': 'de'}, "Page not found"),
            'i18n36': ('{% load i18n %}{% trans "Page not found" as page_not_found noop %}{{ page_not_found }}', {'LANGUAGE_CODE': 'de'}, "Page not found"),
            'i18n37': ('{% load i18n %}{% trans "Page not found" as page_not_found %}{% blocktrans %}Error: {{ page_not_found }}{% endblocktrans %}', {'LANGUAGE_CODE': 'de'}, "Error: Seite nicht gefunden"),

            ### HANDLING OF TEMPLATE_STRING_IF_INVALID ###################################

            'invalidstr01': ('{{ var|default:"Foo" }}', {}, ('Foo','INVALID')),
            'invalidstr02': ('{{ var|default_if_none:"Foo" }}', {}, ('','INVALID')),
            'invalidstr03': ('{% for v in var %}({{ v }}){% endfor %}', {}, ''),
            'invalidstr04': ('{% if var %}Yes{% else %}No{% endif %}', {}, 'No'),
            'invalidstr04_2': ('{% if var|default:"Foo" %}Yes{% else %}No{% endif %}', {}, 'Yes'),
            'invalidstr05': ('{{ var }}', {}, ('', ('INVALID %s', 'var'))),
            'invalidstr06': ('{{ var.prop }}', {'var': {}}, ('', ('INVALID %s', 'var.prop'))),

            ### MULTILINE #############################################################

            'multiline01': ("""
                            Hello,
                            boys.
                            How
                            are
                            you
                            gentlemen.
                            """,
                            {},
                            """
                            Hello,
                            boys.
                            How
                            are
                            you
                            gentlemen.
                            """),

            ### REGROUP TAG ###########################################################
            'regroup01': ('{% regroup data by bar as grouped %}'
                          '{% for group in grouped %}'
                          '{{ group.grouper }}:'
                          '{% for item in group.list %}'
                          '{{ item.foo }}'
                          '{% endfor %},'
                          '{% endfor %}',
                          {'data': [ {'foo':'c', 'bar':1},
                                     {'foo':'d', 'bar':1},
                                     {'foo':'a', 'bar':2},
                                     {'foo':'b', 'bar':2},
                                     {'foo':'x', 'bar':3}  ]},
                          '1:cd,2:ab,3:x,'),

            # Test for silent failure when target variable isn't found
            'regroup02': ('{% regroup data by bar as grouped %}'
                          '{% for group in grouped %}'
                          '{{ group.grouper }}:'
                          '{% for item in group.list %}'
                          '{{ item.foo }}'
                          '{% endfor %},'
                          '{% endfor %}',
                          {}, ''),

            # Regression tests for #17675
            # The date template filter has expects_localtime = True
            'regroup03': ('{% regroup data by at|date:"m" as grouped %}'
                          '{% for group in grouped %}'
                          '{{ group.grouper }}:'
                          '{% for item in group.list %}'
                          '{{ item.at|date:"d" }}'
                          '{% endfor %},'
                          '{% endfor %}',
                          {'data': [{'at': date(2012, 2, 14)},
                                    {'at': date(2012, 2, 28)},
                                    {'at': date(2012, 7, 4)}]},
                          '02:1428,07:04,'),
            # The join template filter has needs_autoescape = True
            'regroup04': ('{% regroup data by bar|join:"" as grouped %}'
                          '{% for group in grouped %}'
                          '{{ group.grouper }}:'
                          '{% for item in group.list %}'
                          '{{ item.foo|first }}'
                          '{% endfor %},'
                          '{% endfor %}',
                          {'data': [{'foo': 'x', 'bar': ['ab', 'c']},
                                    {'foo': 'y', 'bar': ['a', 'bc']},
                                    {'foo': 'z', 'bar': ['a', 'd']}]},
                          'abc:xy,ad:z,'),

            ### SSI TAG ########################################################

            # Test normal behavior
            'ssi01': ('{%% ssi "%s" %%}' % os.path.join(basedir, 'templates', 'ssi_include.html'), {}, 'This is for testing an ssi include. {{ test }}\n'),
            'ssi02': ('{%% ssi "%s" %%}' % os.path.join(basedir, 'not_here'), {}, ''),
            'ssi03': ("{%% ssi '%s' %%}" % os.path.join(basedir, 'not_here'), {}, ''),

            # Test passing as a variable
            'ssi04': ('{% load ssi from future %}{% ssi ssi_file %}', {'ssi_file': os.path.join(basedir, 'templates', 'ssi_include.html')}, 'This is for testing an ssi include. {{ test }}\n'),
            'ssi05': ('{% load ssi from future %}{% ssi ssi_file %}', {'ssi_file': 'no_file'}, ''),

            # Test parsed output
            'ssi06': ('{%% ssi "%s" parsed %%}' % os.path.join(basedir, 'templates', 'ssi_include.html'), {'test': 'Look ma! It parsed!'}, 'This is for testing an ssi include. Look ma! It parsed!\n'),
            'ssi07': ('{%% ssi "%s" parsed %%}' % os.path.join(basedir, 'not_here'), {'test': 'Look ma! It parsed!'}, ''),

            # Test space in file name
            'ssi08': ('{%% ssi "%s" %%}' % os.path.join(basedir, 'templates', 'ssi include with spaces.html'), {}, 'This is for testing an ssi include with spaces in its name. {{ test }}\n'),
            'ssi09': ('{%% ssi "%s" parsed %%}' % os.path.join(basedir, 'templates', 'ssi include with spaces.html'), {'test': 'Look ma! It parsed!'}, 'This is for testing an ssi include with spaces in its name. Look ma! It parsed!\n'),

            ### TEMPLATETAG TAG #######################################################
            'templatetag01': ('{% templatetag openblock %}', {}, '{%'),
            'templatetag02': ('{% templatetag closeblock %}', {}, '%}'),
            'templatetag03': ('{% templatetag openvariable %}', {}, '{{'),
            'templatetag04': ('{% templatetag closevariable %}', {}, '}}'),
            'templatetag05': ('{% templatetag %}', {}, template.TemplateSyntaxError),
            'templatetag06': ('{% templatetag foo %}', {}, template.TemplateSyntaxError),
            'templatetag07': ('{% templatetag openbrace %}', {}, '{'),
            'templatetag08': ('{% templatetag closebrace %}', {}, '}'),
            'templatetag09': ('{% templatetag openbrace %}{% templatetag openbrace %}', {}, '{{'),
            'templatetag10': ('{% templatetag closebrace %}{% templatetag closebrace %}', {}, '}}'),
            'templatetag11': ('{% templatetag opencomment %}', {}, '{#'),
            'templatetag12': ('{% templatetag closecomment %}', {}, '#}'),

            # Simple tags with customized names
            'simpletag-renamed01': ('{% load custom %}{% minusone 7 %}', {}, '6'),
            'simpletag-renamed02': ('{% load custom %}{% minustwo 7 %}', {}, '5'),
            'simpletag-renamed03': ('{% load custom %}{% minustwo_overridden_name 7 %}', {}, template.TemplateSyntaxError),

            ### WIDTHRATIO TAG ########################################################
            'widthratio01': ('{% widthratio a b 0 %}', {'a':50,'b':100}, '0'),
            'widthratio02': ('{% widthratio a b 100 %}', {'a':0,'b':0}, '0'),
            'widthratio03': ('{% widthratio a b 100 %}', {'a':0,'b':100}, '0'),
            'widthratio04': ('{% widthratio a b 100 %}', {'a':50,'b':100}, '50'),
            'widthratio05': ('{% widthratio a b 100 %}', {'a':100,'b':100}, '100'),

            # 62.5 should round to 63 on Python 2 and 62 on Python 3
            # See http://docs.python.org/py3k/whatsnew/3.0.html
            'widthratio06': ('{% widthratio a b 100 %}', {'a':50,'b':80}, '62' if six.PY3 else '63'),

            # 71.4 should round to 71
            'widthratio07': ('{% widthratio a b 100 %}', {'a':50,'b':70}, '71'),

            # Raise exception if we don't have 3 args, last one an integer
            'widthratio08': ('{% widthratio %}', {}, template.TemplateSyntaxError),
            'widthratio09': ('{% widthratio a b %}', {'a':50,'b':100}, template.TemplateSyntaxError),
            'widthratio10': ('{% widthratio a b 100.0 %}', {'a':50,'b':100}, '50'),

            # #10043: widthratio should allow max_width to be a variable
            'widthratio11': ('{% widthratio a b c %}', {'a':50,'b':100, 'c': 100}, '50'),

            # #18739: widthratio should handle None args consistently with non-numerics
            'widthratio12a': ('{% widthratio a b c %}', {'a':'a','b':100,'c':100}, ''),
            'widthratio12b': ('{% widthratio a b c %}', {'a':None,'b':100,'c':100}, ''),
            'widthratio13a': ('{% widthratio a b c %}', {'a':0,'b':'b','c':100}, ''),
            'widthratio13b': ('{% widthratio a b c %}', {'a':0,'b':None,'c':100}, ''),
            'widthratio14a': ('{% widthratio a b c %}', {'a':0,'b':100,'c':'c'}, template.TemplateSyntaxError),
            'widthratio14b': ('{% widthratio a b c %}', {'a':0,'b':100,'c':None}, template.TemplateSyntaxError),

            ### WITH TAG ########################################################
            'with01': ('{% with key=dict.key %}{{ key }}{% endwith %}', {'dict': {'key': 50}}, '50'),
            'legacywith01': ('{% with dict.key as key %}{{ key }}{% endwith %}', {'dict': {'key': 50}}, '50'),

            'with02': ('{{ key }}{% with key=dict.key %}{{ key }}-{{ dict.key }}-{{ key }}{% endwith %}{{ key }}', {'dict': {'key': 50}}, ('50-50-50', 'INVALID50-50-50INVALID')),
            'legacywith02': ('{{ key }}{% with dict.key as key %}{{ key }}-{{ dict.key }}-{{ key }}{% endwith %}{{ key }}', {'dict': {'key': 50}}, ('50-50-50', 'INVALID50-50-50INVALID')),

            'with03': ('{% with a=alpha b=beta %}{{ a }}{{ b }}{% endwith %}', {'alpha': 'A', 'beta': 'B'}, 'AB'),

            'with-error01': ('{% with dict.key xx key %}{{ key }}{% endwith %}', {'dict': {'key': 50}}, template.TemplateSyntaxError),
            'with-error02': ('{% with dict.key as %}{{ key }}{% endwith %}', {'dict': {'key': 50}}, template.TemplateSyntaxError),

            ### NOW TAG ########################################################
            # Simple case
            'now01': ('{% now "j n Y" %}', {}, "%d %d %d" % (
                datetime.now().day, datetime.now().month, datetime.now().year)),
            # Check parsing of locale strings
            'now02': ('{% now "DATE_FORMAT" %}', {},  date_format(datetime.now())),
            # Also accept simple quotes - #15092
            'now03': ("{% now 'j n Y' %}", {}, "%d %d %d" % (
                datetime.now().day, datetime.now().month, datetime.now().year)),
            'now04': ("{% now 'DATE_FORMAT' %}", {},  date_format(datetime.now())),
            'now05': ('''{% now 'j "n" Y'%}''', {}, '''%d "%d" %d''' % (
                datetime.now().day, datetime.now().month, datetime.now().year)),
            'now06': ('''{% now "j 'n' Y"%}''', {}, '''%d '%d' %d''' % (
                datetime.now().day, datetime.now().month, datetime.now().year)),

            ### URL TAG ########################################################
            # Successes
            'url01': ('{% url "regressiontests.templates.views.client" client.id %}', {'client': {'id': 1}}, '/url_tag/client/1/'),
            'url02': ('{% url "regressiontests.templates.views.client_action" id=client.id action="update" %}', {'client': {'id': 1}}, '/url_tag/client/1/update/'),
            'url02a': ('{% url "regressiontests.templates.views.client_action" client.id "update" %}', {'client': {'id': 1}}, '/url_tag/client/1/update/'),
            'url02b': ("{% url 'regressiontests.templates.views.client_action' id=client.id action='update' %}", {'client': {'id': 1}}, '/url_tag/client/1/update/'),
            'url02c': ("{% url 'regressiontests.templates.views.client_action' client.id 'update' %}", {'client': {'id': 1}}, '/url_tag/client/1/update/'),
            'url03': ('{% url "regressiontests.templates.views.index" %}', {}, '/url_tag/'),
            'url04': ('{% url "named.client" client.id %}', {'client': {'id': 1}}, '/url_tag/named-client/1/'),
            'url05': ('{% url "метка_оператора" v %}', {'v': 'Ω'}, '/url_tag/%D0%AE%D0%BD%D0%B8%D0%BA%D0%BE%D0%B4/%CE%A9/'),
            'url06': ('{% url "метка_оператора_2" tag=v %}', {'v': 'Ω'}, '/url_tag/%D0%AE%D0%BD%D0%B8%D0%BA%D0%BE%D0%B4/%CE%A9/'),
            'url07': ('{% url "regressiontests.templates.views.client2" tag=v %}', {'v': 'Ω'}, '/url_tag/%D0%AE%D0%BD%D0%B8%D0%BA%D0%BE%D0%B4/%CE%A9/'),
            'url08': ('{% url "метка_оператора" v %}', {'v': 'Ω'}, '/url_tag/%D0%AE%D0%BD%D0%B8%D0%BA%D0%BE%D0%B4/%CE%A9/'),
            'url09': ('{% url "метка_оператора_2" tag=v %}', {'v': 'Ω'}, '/url_tag/%D0%AE%D0%BD%D0%B8%D0%BA%D0%BE%D0%B4/%CE%A9/'),
            'url10': ('{% url "regressiontests.templates.views.client_action" id=client.id action="two words" %}', {'client': {'id': 1}}, '/url_tag/client/1/two%20words/'),
            'url11': ('{% url "regressiontests.templates.views.client_action" id=client.id action="==" %}', {'client': {'id': 1}}, '/url_tag/client/1/==/'),
            'url12': ('{% url "regressiontests.templates.views.client_action" id=client.id action="," %}', {'client': {'id': 1}}, '/url_tag/client/1/,/'),
            'url13': ('{% url "regressiontests.templates.views.client_action" id=client.id action=arg|join:"-" %}', {'client': {'id': 1}, 'arg':['a','b']}, '/url_tag/client/1/a-b/'),
            'url14': ('{% url "regressiontests.templates.views.client_action" client.id arg|join:"-" %}', {'client': {'id': 1}, 'arg':['a','b']}, '/url_tag/client/1/a-b/'),
            'url15': ('{% url "regressiontests.templates.views.client_action" 12 "test" %}', {}, '/url_tag/client/12/test/'),
            'url18': ('{% url "regressiontests.templates.views.client" "1,2" %}', {}, '/url_tag/client/1,2/'),

            'url19': ('{% url named_url client.id %}', {'named_url': 'regressiontests.templates.views.client', 'client': {'id': 1}}, '/url_tag/client/1/'),
            'url20': ('{% url url_name_in_var client.id %}', {'url_name_in_var': 'named.client', 'client': {'id': 1}}, '/url_tag/named-client/1/'),

            # Failures
            'url-fail01': ('{% url %}', {}, template.TemplateSyntaxError),
            'url-fail02': ('{% url "no_such_view" %}', {}, (urlresolvers.NoReverseMatch, urlresolvers.NoReverseMatch)),
            'url-fail03': ('{% url "regressiontests.templates.views.client" %}', {}, (urlresolvers.NoReverseMatch, urlresolvers.NoReverseMatch)),
            'url-fail04': ('{% url "view" id, %}', {}, template.TemplateSyntaxError),
            'url-fail05': ('{% url "view" id= %}', {}, template.TemplateSyntaxError),
            'url-fail06': ('{% url "view" a.id=id %}', {}, template.TemplateSyntaxError),
            'url-fail07': ('{% url "view" a.id!id %}', {}, template.TemplateSyntaxError),
            'url-fail08': ('{% url "view" id="unterminatedstring %}', {}, template.TemplateSyntaxError),
            'url-fail09': ('{% url "view" id=", %}', {}, template.TemplateSyntaxError),

            'url-fail11': ('{% url named_url %}', {}, (urlresolvers.NoReverseMatch, urlresolvers.NoReverseMatch)),
            'url-fail12': ('{% url named_url %}', {'named_url': 'no_such_view'}, (urlresolvers.NoReverseMatch, urlresolvers.NoReverseMatch)),
            'url-fail13': ('{% url named_url %}', {'named_url': 'regressiontests.templates.views.client'}, (urlresolvers.NoReverseMatch, urlresolvers.NoReverseMatch)),
            'url-fail14': ('{% url named_url id, %}', {'named_url': 'view'}, template.TemplateSyntaxError),
            'url-fail15': ('{% url named_url id= %}', {'named_url': 'view'}, template.TemplateSyntaxError),
            'url-fail16': ('{% url named_url a.id=id %}', {'named_url': 'view'}, template.TemplateSyntaxError),
            'url-fail17': ('{% url named_url a.id!id %}', {'named_url': 'view'}, template.TemplateSyntaxError),
            'url-fail18': ('{% url named_url id="unterminatedstring %}', {'named_url': 'view'}, template.TemplateSyntaxError),
            'url-fail19': ('{% url named_url id=", %}', {'named_url': 'view'}, template.TemplateSyntaxError),

            # {% url ... as var %}
            'url-asvar01': ('{% url "regressiontests.templates.views.index" as url %}', {}, ''),
            'url-asvar02': ('{% url "regressiontests.templates.views.index" as url %}{{ url }}', {}, '/url_tag/'),
            'url-asvar03': ('{% url "no_such_view" as url %}{{ url }}', {}, ''),

            ### CACHE TAG ######################################################
            'cache03': ('{% load cache %}{% cache 2 test %}cache03{% endcache %}', {}, 'cache03'),
            'cache04': ('{% load cache %}{% cache 2 test %}cache04{% endcache %}', {}, 'cache03'),
            'cache05': ('{% load cache %}{% cache 2 test foo %}cache05{% endcache %}', {'foo': 1}, 'cache05'),
            'cache06': ('{% load cache %}{% cache 2 test foo %}cache06{% endcache %}', {'foo': 2}, 'cache06'),
            'cache07': ('{% load cache %}{% cache 2 test foo %}cache07{% endcache %}', {'foo': 1}, 'cache05'),

            # Allow first argument to be a variable.
            'cache08': ('{% load cache %}{% cache time test foo %}cache08{% endcache %}', {'foo': 2, 'time': 2}, 'cache06'),

            # Raise exception if we don't have at least 2 args, first one integer.
            'cache11': ('{% load cache %}{% cache %}{% endcache %}', {}, template.TemplateSyntaxError),
            'cache12': ('{% load cache %}{% cache 1 %}{% endcache %}', {}, template.TemplateSyntaxError),
            'cache13': ('{% load cache %}{% cache foo bar %}{% endcache %}', {}, template.TemplateSyntaxError),
            'cache14': ('{% load cache %}{% cache foo bar %}{% endcache %}', {'foo': 'fail'}, template.TemplateSyntaxError),
            'cache15': ('{% load cache %}{% cache foo bar %}{% endcache %}', {'foo': []}, template.TemplateSyntaxError),

            # Regression test for #7460.
            'cache16': ('{% load cache %}{% cache 1 foo bar %}{% endcache %}', {'foo': 'foo', 'bar': 'with spaces'}, ''),

            # Regression test for #11270.
            'cache17': ('{% load cache %}{% cache 10 long_cache_key poem %}Some Content{% endcache %}', {'poem': 'Oh freddled gruntbuggly/Thy micturations are to me/As plurdled gabbleblotchits/On a lurgid bee/That mordiously hath bitled out/Its earted jurtles/Into a rancid festering/Or else I shall rend thee in the gobberwarts with my blurglecruncheon/See if I dont.'}, 'Some Content'),


            ### AUTOESCAPE TAG ##############################################
            'autoescape-tag01': ("{% autoescape off %}hello{% endautoescape %}", {}, "hello"),
            'autoescape-tag02': ("{% autoescape off %}{{ first }}{% endautoescape %}", {"first": "<b>hello</b>"}, "<b>hello</b>"),
            'autoescape-tag03': ("{% autoescape on %}{{ first }}{% endautoescape %}", {"first": "<b>hello</b>"}, "&lt;b&gt;hello&lt;/b&gt;"),

            # Autoescape disabling and enabling nest in a predictable way.
            'autoescape-tag04': ("{% autoescape off %}{{ first }} {% autoescape  on%}{{ first }}{% endautoescape %}{% endautoescape %}", {"first": "<a>"}, "<a> &lt;a&gt;"),

            'autoescape-tag05': ("{% autoescape on %}{{ first }}{% endautoescape %}", {"first": "<b>first</b>"}, "&lt;b&gt;first&lt;/b&gt;"),

            # Strings (ASCII or unicode) already marked as "safe" are not
            # auto-escaped
            'autoescape-tag06': ("{{ first }}", {"first": mark_safe("<b>first</b>")}, "<b>first</b>"),
            'autoescape-tag07': ("{% autoescape on %}{{ first }}{% endautoescape %}", {"first": mark_safe("<b>Apple</b>")}, "<b>Apple</b>"),

            # Literal string arguments to filters, if used in the result, are
            # safe.
            'autoescape-tag08': (r'{% autoescape on %}{{ var|default_if_none:" endquote\" hah" }}{% endautoescape %}', {"var": None}, ' endquote" hah'),

            # Objects which return safe strings as their __unicode__ method
            # won't get double-escaped.
            'autoescape-tag09': (r'{{ unsafe }}', {'unsafe': filters.UnsafeClass()}, 'you &amp; me'),
            'autoescape-tag10': (r'{{ safe }}', {'safe': filters.SafeClass()}, 'you &gt; me'),

            # The "safe" and "escape" filters cannot work due to internal
            # implementation details (fortunately, the (no)autoescape block
            # tags can be used in those cases)
            'autoescape-filtertag01': ("{{ first }}{% filter safe %}{{ first }} x<y{% endfilter %}", {"first": "<a>"}, template.TemplateSyntaxError),

            # ifqeual compares unescaped vales.
            'autoescape-ifequal01': ('{% ifequal var "this & that" %}yes{% endifequal %}', { "var": "this & that" }, "yes"),

            # Arguments to filters are 'safe' and manipulate their input unescaped.
            'autoescape-filters01': ('{{ var|cut:"&" }}', { "var": "this & that" }, "this  that" ),
            'autoescape-filters02': ('{{ var|join:" & \" }}', { "var": ("Tom", "Dick", "Harry") }, "Tom & Dick & Harry"),

            # Literal strings are safe.
            'autoescape-literals01': ('{{ "this & that" }}',{}, "this & that"),

            # Iterating over strings outputs safe characters.
            'autoescape-stringiterations01': ('{% for l in var %}{{ l }},{% endfor %}', {'var': 'K&R'}, "K,&amp;,R,"),

            # Escape requirement survives lookup.
            'autoescape-lookup01': ('{{ var.key }}', { "var": {"key": "this & that" }}, "this &amp; that"),

            # Static template tags
            'static-prefixtag01': ('{% load static %}{% get_static_prefix %}', {}, settings.STATIC_URL),
            'static-prefixtag02': ('{% load static %}{% get_static_prefix as static_prefix %}{{ static_prefix }}', {}, settings.STATIC_URL),
            'static-prefixtag03': ('{% load static %}{% get_media_prefix %}', {}, settings.MEDIA_URL),
            'static-prefixtag04': ('{% load static %}{% get_media_prefix as media_prefix %}{{ media_prefix }}', {}, settings.MEDIA_URL),
            'static-statictag01': ('{% load static %}{% static "admin/base.css" %}', {}, urljoin(settings.STATIC_URL, 'admin/base.css')),
            'static-statictag02': ('{% load static %}{% static base_css %}', {'base_css': 'admin/base.css'}, urljoin(settings.STATIC_URL, 'admin/base.css')),
            'static-statictag03': ('{% load static %}{% static "admin/base.css" as foo %}{{ foo }}', {}, urljoin(settings.STATIC_URL, 'admin/base.css')),
            'static-statictag04': ('{% load static %}{% static base_css as foo %}{{ foo }}', {'base_css': 'admin/base.css'}, urljoin(settings.STATIC_URL, 'admin/base.css')),

            # Verbatim template tag outputs contents without rendering.
            'verbatim-tag01': ('{% verbatim %}{{bare   }}{% endverbatim %}', {}, '{{bare   }}'),
            'verbatim-tag02': ('{% verbatim %}{% endif %}{% endverbatim %}', {}, '{% endif %}'),
            'verbatim-tag03': ("{% verbatim %}It's the {% verbatim %} tag{% endverbatim %}", {}, "It's the {% verbatim %} tag"),
            'verbatim-tag04': ('{% verbatim %}{% verbatim %}{% endverbatim %}{% endverbatim %}', {}, template.TemplateSyntaxError),
            'verbatim-tag05': ('{% verbatim %}{% endverbatim %}{% verbatim %}{% endverbatim %}', {}, ''),
            'verbatim-tag06': ("{% verbatim special %}Don't {% endverbatim %} just yet{% endverbatim special %}", {}, "Don't {% endverbatim %} just yet"),
        }
        return tests

class TemplateTagLoading(unittest.TestCase):

    def setUp(self):
        self.old_path = sys.path[:]
        self.old_apps = settings.INSTALLED_APPS
        self.egg_dir = '%s/eggs' % os.path.dirname(upath(__file__))
        self.old_tag_modules = template_base.templatetags_modules
        template_base.templatetags_modules = []

    def tearDown(self):
        settings.INSTALLED_APPS = self.old_apps
        sys.path = self.old_path
        template_base.templatetags_modules = self.old_tag_modules

    def test_load_error(self):
        ttext = "{% load broken_tag %}"
        self.assertRaises(template.TemplateSyntaxError, template.Template, ttext)
        try:
            template.Template(ttext)
        except template.TemplateSyntaxError as e:
            self.assertTrue('ImportError' in e.args[0])
            self.assertTrue('Xtemplate' in e.args[0])

    def test_load_error_egg(self):
        ttext = "{% load broken_egg %}"
        egg_name = '%s/tagsegg.egg' % self.egg_dir
        sys.path.append(egg_name)
        settings.INSTALLED_APPS = ('tagsegg',)
        self.assertRaises(template.TemplateSyntaxError, template.Template, ttext)
        try:
            template.Template(ttext)
        except template.TemplateSyntaxError as e:
            self.assertTrue('ImportError' in e.args[0])
            self.assertTrue('Xtemplate' in e.args[0])

    def test_load_working_egg(self):
        ttext = "{% load working_egg %}"
        egg_name = '%s/tagsegg.egg' % self.egg_dir
        sys.path.append(egg_name)
        settings.INSTALLED_APPS = ('tagsegg',)
        t = template.Template(ttext)


class RequestContextTests(unittest.TestCase):

    def setUp(self):
        templates = {
            'child': Template('{{ var|default:"none" }}'),
        }
        setup_test_template_loader(templates)
        self.fake_request = RequestFactory().get('/')

    def tearDown(self):
        restore_template_loaders()

    def test_include_only(self):
        """
        Regression test for #15721, ``{% include %}`` and ``RequestContext``
        not playing together nicely.
        """
        ctx = RequestContext(self.fake_request, {'var': 'parent'})
        self.assertEqual(
            template.Template('{% include "child" %}').render(ctx),
            'parent'
        )
        self.assertEqual(
            template.Template('{% include "child" only %}').render(ctx),
            'none'
        )