235 lines
11 KiB
Python
235 lines
11 KiB
Python
from django.core import template, template_loader
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# Helper objects for template tests
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class SomeClass:
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def __init__(self):
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self.otherclass = OtherClass()
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def method(self):
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return "SomeClass.method"
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def method2(self, o):
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return o
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class OtherClass:
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def method(self):
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return "OtherClass.method"
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# SYNTAX --
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# 'template_name': ('template contents', 'context dict', 'expected string output' or Exception class)
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TEMPLATE_TESTS = {
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### BASIC SYNTAX ##########################################################
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# Plain text should go through the template parser untouched
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'basic-syntax01': ("something cool", {}, "something cool"),
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# Variables should be replaced with their value in the current context
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'basic-syntax02': ("{{ headline }}", {'headline':'Success'}, "Success"),
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# More than one replacement variable is allowed in a template
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'basic-syntax03': ("{{ first }} --- {{ second }}", {"first" : 1, "second" : 2}, "1 --- 2"),
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# Fail silently when a variable is not found in the current context
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'basic-syntax04': ("as{{ missing }}df", {}, "asdf"),
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# A variable may not contain more than one word
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'basic-syntax06': ("{{ multi word variable }}", {}, template.TemplateSyntaxError),
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# Raise TemplateSyntaxError for empty variable tags
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'basic-syntax07': ("{{ }}", {}, template.TemplateSyntaxError),
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'basic-syntax08': ("{{ }}", {}, template.TemplateSyntaxError),
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# Attribute syntax allows a template to call an object's attribute
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'basic-syntax09': ("{{ var.method }}", {"var": SomeClass()}, "SomeClass.method"),
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# Multiple levels of attribute access are allowed
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'basic-syntax10': ("{{ var.otherclass.method }}", {"var": SomeClass()}, "OtherClass.method"),
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# Fail silently when a variable's attribute isn't found
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'basic-syntax11': ("{{ var.blech }}", {"var": SomeClass()}, ""),
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# Raise TemplateSyntaxError when trying to access a variable beginning with an underscore
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'basic-syntax12': ("{{ var.__dict__ }}", {"var": SomeClass()}, template.TemplateSyntaxError),
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# Raise TemplateSyntaxError when trying to access a variable containing an illegal character
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'basic-syntax13': ("{{ va>r }}", {}, template.TemplateSyntaxError),
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'basic-syntax14': ("{{ (var.r) }}", {}, template.TemplateSyntaxError),
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'basic-syntax15': ("{{ sp%am }}", {}, template.TemplateSyntaxError),
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'basic-syntax16': ("{{ eggs! }}", {}, template.TemplateSyntaxError),
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'basic-syntax17': ("{{ moo? }}", {}, template.TemplateSyntaxError),
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# Attribute syntax allows a template to call a dictionary key's value
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'basic-syntax18': ("{{ foo.bar }}", {"foo" : {"bar" : "baz"}}, "baz"),
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# Fail silently when a variable's dictionary key isn't found
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'basic-syntax19': ("{{ foo.spam }}", {"foo" : {"bar" : "baz"}}, ""),
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# Fail silently when accessing a non-simple method
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'basic-syntax20': ("{{ var.method2 }}", {"var": SomeClass()}, ""),
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# Basic filter usage
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'basic-syntax21': ("{{ var|upper }}", {"var": "Django is the greatest!"}, "DJANGO IS THE GREATEST!"),
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# Chained filters
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'basic-syntax22': ("{{ var|upper|lower }}", {"var": "Django is the greatest!"}, "django is the greatest!"),
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# Raise TemplateSyntaxError for space between a variable and filter pipe
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'basic-syntax23': ("{{ var |upper }}", {}, template.TemplateSyntaxError),
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# Raise TemplateSyntaxError for space after a filter pipe
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'basic-syntax24': ("{{ var| upper }}", {}, template.TemplateSyntaxError),
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# Raise TemplateSyntaxError for a nonexistent filter
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'basic-syntax25': ("{{ var|does_not_exist }}", {}, template.TemplateSyntaxError),
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# Raise TemplateSyntaxError when trying to access a filter containing an illegal character
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'basic-syntax26': ("{{ var|fil(ter) }}", {}, template.TemplateSyntaxError),
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# Raise TemplateSyntaxError for invalid block tags
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'basic-syntax27': ("{% nothing_to_see_here %}", {}, template.TemplateSyntaxError),
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# Raise TemplateSyntaxError for empty block tags
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'basic-syntax28': ("{% %}", {}, template.TemplateSyntaxError),
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### IF TAG ################################################################
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'if-tag01': ("{% if foo %}yes{% else %}no{% endif %}", {"foo": True}, "yes"),
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'if-tag02': ("{% if foo %}yes{% else %}no{% endif %}", {"foo": False}, "no"),
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'if-tag03': ("{% if foo %}yes{% else %}no{% endif %}", {}, "no"),
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### COMMENT TAG ###########################################################
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'comment-tag01': ("{% comment %}this is hidden{% endcomment %}hello", {}, "hello"),
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'comment-tag02': ("{% comment %}this is hidden{% endcomment %}hello{% comment %}foo{% endcomment %}", {}, "hello"),
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### FOR TAG ###############################################################
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'for-tag01': ("{% for val in values %}{{ val }}{% endfor %}", {"values": [1, 2, 3]}, "123"),
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'for-tag02': ("{% for val in values reversed %}{{ val }}{% endfor %}", {"values": [1, 2, 3]}, "321"),
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### IFEQUAL TAG ###########################################################
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'ifequal01': ("{% ifequal a b %}yes{% endifequal %}", {"a": 1, "b": 2}, ""),
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'ifequal02': ("{% ifequal a b %}yes{% endifequal %}", {"a": 1, "b": 1}, "yes"),
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'ifequal03': ("{% ifequal a b %}yes{% else %}no{% endifequal %}", {"a": 1, "b": 2}, "no"),
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'ifequal04': ("{% ifequal a b %}yes{% else %}no{% endifequal %}", {"a": 1, "b": 1}, "yes"),
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### IFNOTEQUAL TAG ########################################################
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'ifnotequal01': ("{% ifnotequal a b %}yes{% endifnotequal %}", {"a": 1, "b": 2}, "yes"),
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'ifnotequal02': ("{% ifnotequal a b %}yes{% endifnotequal %}", {"a": 1, "b": 1}, ""),
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'ifnotequal03': ("{% ifnotequal a b %}yes{% else %}no{% endifnotequal %}", {"a": 1, "b": 2}, "yes"),
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'ifnotequal04': ("{% ifnotequal a b %}yes{% else %}no{% endifnotequal %}", {"a": 1, "b": 1}, "no"),
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### INHERITANCE ###########################################################
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# Standard template with no inheritance
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'inheritance01': ("1{% block first %}_{% endblock %}3{% block second %}_{% endblock %}", {}, '1_3_'),
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# Standard two-level inheritance
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'inheritance02': ("{% extends 'inheritance01' %}{% block first %}2{% endblock %}{% block second %}4{% endblock %}", {}, '1234'),
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# Three-level with no redefinitions on third level
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'inheritance03': ("{% extends 'inheritance02' %}", {}, '1234'),
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# Two-level with no redefinitions on second level
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'inheritance04': ("{% extends 'inheritance01' %}", {}, '1_3_'),
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# Two-level with double quotes instead of single quotes
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'inheritance05': ('{% extends "inheritance02" %}', {}, '1234'),
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# Three-level with variable parent-template name
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'inheritance06': ("{% extends foo %}", {'foo': 'inheritance02'}, '1234'),
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# Two-level with one block defined, one block not defined
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'inheritance07': ("{% extends 'inheritance01' %}{% block second %}5{% endblock %}", {}, '1_35'),
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# Three-level with one block defined on this level, two blocks defined next level
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'inheritance08': ("{% extends 'inheritance02' %}{% block second %}5{% endblock %}", {}, '1235'),
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# Three-level with second and third levels blank
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'inheritance09': ("{% extends 'inheritance04' %}", {}, '1_3_'),
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# Three-level with space NOT in a block -- should be ignored
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'inheritance10': ("{% extends 'inheritance04' %} ", {}, '1_3_'),
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# Three-level with both blocks defined on this level, but none on second level
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'inheritance11': ("{% extends 'inheritance04' %}{% block first %}2{% endblock %}{% block second %}4{% endblock %}", {}, '1234'),
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# Three-level with this level providing one and second level providing the other
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'inheritance12': ("{% extends 'inheritance07' %}{% block first %}2{% endblock %}", {}, '1235'),
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# Three-level with this level overriding second level
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'inheritance13': ("{% extends 'inheritance02' %}{% block first %}a{% endblock %}{% block second %}b{% endblock %}", {}, '1a3b'),
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# A block defined only in a child template shouldn't be displayed
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'inheritance14': ("{% extends 'inheritance01' %}{% block newblock %}NO DISPLAY{% endblock %}", {}, '1_3_'),
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# A block within another block
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'inheritance15': ("{% extends 'inheritance01' %}{% block first %}2{% block inner %}inner{% endblock %}{% endblock %}", {}, '12inner3_'),
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# A block within another block (level 2)
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'inheritance16': ("{% extends 'inheritance15' %}{% block inner %}out{% endblock %}", {}, '12out3_'),
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# {% load %} tag (parent -- setup for exception04)
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'inheritance17': ("{% load testtags %}{% block first %}1234{% endblock %}", {}, '1234'),
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# {% load %} tag (standard usage, without inheritance)
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'inheritance18': ("{% load testtags %}{% echo this that theother %}5678", {}, 'this that theother5678'),
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# {% load %} tag (within a child template)
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'inheritance19': ("{% extends 'inheritance01' %}{% block first %}{% load testtags %}{% echo 400 %}5678{% endblock %}", {}, '140056783_'),
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### EXCEPTIONS ############################################################
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# Raise exception for invalid template name
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'exception01': ("{% extends 'nonexistent' %}", {}, template.TemplateSyntaxError),
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# Raise exception for invalid template name (in variable)
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'exception02': ("{% extends nonexistent %}", {}, template.TemplateSyntaxError),
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# Raise exception for extra {% extends %} tags
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'exception03': ("{% extends 'inheritance01' %}{% block first %}2{% endblock %}{% extends 'inheritance16' %}", {}, template.TemplateSyntaxError),
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# Raise exception for custom tags used in child with {% load %} tag in parent, not in child
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'exception04': ("{% extends 'inheritance17' %}{% block first %}{% echo 400 %}5678{% endblock %}", {}, template.TemplateSyntaxError),
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}
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# This replaces the standard template_loader.
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def test_template_loader(template_name, template_dirs=None):
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try:
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return TEMPLATE_TESTS[template_name][0]
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except KeyError:
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raise template.TemplateDoesNotExist, template_name
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def run_tests(verbosity=0, standalone=False):
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template_loader.load_template_source, old_template_loader = test_template_loader, template_loader.load_template_source
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failed_tests = []
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tests = TEMPLATE_TESTS.items()
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tests.sort()
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for name, vals in tests:
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try:
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output = template_loader.get_template(name).render(template.Context(vals[1]))
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except Exception, e:
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if e.__class__ == vals[2]:
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if verbosity:
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print "Template test: %s -- Passed" % name
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else:
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if verbosity:
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print "Template test: %s -- FAILED. Got %s, exception: %s" % (name, e.__class__, e)
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failed_tests.append(name)
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continue
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if output == vals[2]:
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if verbosity:
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print "Template test: %s -- Passed" % name
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else:
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if verbosity:
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print "Template test: %s -- FAILED. Expected %r, got %r" % (name, vals[2], output)
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failed_tests.append(name)
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template_loader.load_template_source = old_template_loader
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if failed_tests and not standalone:
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msg = "Template tests %s failed." % failed_tests
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if not verbosity:
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msg += " Re-run tests with -v1 to see actual failures"
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raise Exception, msg
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if __name__ == "__main__":
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run_tests(1, True)
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