1168 lines
46 KiB
Python
1168 lines
46 KiB
Python
from __future__ import unicode_literals
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from copy import copy
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import difflib
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import errno
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from functools import wraps
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import json
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import os
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import re
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import sys
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try:
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from urllib.parse import urlsplit, urlunsplit
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except ImportError: # Python 2
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from urlparse import urlsplit, urlunsplit
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import select
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import socket
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import threading
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import warnings
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from django.conf import settings
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from django.contrib.staticfiles.handlers import StaticFilesHandler
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from django.core import mail
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from django.core.exceptions import ValidationError, ImproperlyConfigured
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from django.core.handlers.wsgi import WSGIHandler
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from django.core.management import call_command
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from django.core.management.color import no_style
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from django.core.servers.basehttp import (WSGIRequestHandler, WSGIServer,
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WSGIServerException)
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from django.core.urlresolvers import clear_url_caches
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from django.core.validators import EMPTY_VALUES
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from django.db import connection, connections, DEFAULT_DB_ALIAS, transaction
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from django.forms.fields import CharField
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from django.http import QueryDict
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from django.test import _doctest as doctest
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from django.test.client import Client
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from django.test.html import HTMLParseError, parse_html
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from django.test.signals import template_rendered
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from django.test.utils import (CaptureQueriesContext, ContextList,
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override_settings, compare_xml, strip_quotes)
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from django.utils import six, unittest as ut2
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from django.utils.encoding import force_text
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from django.utils.unittest import skipIf # Imported here for backward compatibility
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from django.utils.unittest.util import safe_repr
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from django.views.static import serve
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__all__ = ('DocTestRunner', 'OutputChecker', 'TestCase', 'TransactionTestCase',
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'SimpleTestCase', 'skipIfDBFeature', 'skipUnlessDBFeature')
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normalize_long_ints = lambda s: re.sub(r'(?<![\w])(\d+)L(?![\w])', '\\1', s)
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normalize_decimals = lambda s: re.sub(r"Decimal\('(\d+(\.\d*)?)'\)",
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lambda m: "Decimal(\"%s\")" % m.groups()[0], s)
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def to_list(value):
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"""
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Puts value into a list if it's not already one.
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Returns an empty list if value is None.
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"""
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if value is None:
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value = []
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elif not isinstance(value, list):
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value = [value]
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return value
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real_commit = transaction.commit
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real_rollback = transaction.rollback
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real_enter_transaction_management = transaction.enter_transaction_management
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real_leave_transaction_management = transaction.leave_transaction_management
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real_managed = transaction.managed
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real_abort = transaction.abort
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def nop(*args, **kwargs):
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return
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def disable_transaction_methods():
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transaction.commit = nop
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transaction.rollback = nop
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transaction.enter_transaction_management = nop
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transaction.leave_transaction_management = nop
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transaction.managed = nop
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transaction.abort = nop
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def restore_transaction_methods():
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transaction.commit = real_commit
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transaction.rollback = real_rollback
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transaction.enter_transaction_management = real_enter_transaction_management
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transaction.leave_transaction_management = real_leave_transaction_management
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transaction.managed = real_managed
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transaction.abort = real_abort
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def assert_and_parse_html(self, html, user_msg, msg):
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try:
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dom = parse_html(html)
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except HTMLParseError as e:
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standardMsg = '%s\n%s' % (msg, e.msg)
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self.fail(self._formatMessage(user_msg, standardMsg))
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return dom
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class OutputChecker(doctest.OutputChecker):
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def check_output(self, want, got, optionflags):
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"""
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The entry method for doctest output checking. Defers to a sequence of
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child checkers
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"""
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checks = (self.check_output_default,
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self.check_output_numeric,
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self.check_output_xml,
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self.check_output_json)
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for check in checks:
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if check(want, got, optionflags):
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return True
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return False
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def check_output_default(self, want, got, optionflags):
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"""
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The default comparator provided by doctest - not perfect, but good for
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most purposes
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"""
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return doctest.OutputChecker.check_output(self, want, got, optionflags)
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def check_output_numeric(self, want, got, optionflags):
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"""Doctest does an exact string comparison of output, which means that
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some numerically equivalent values aren't equal. This check normalizes
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* long integers (22L) so that they equal normal integers. (22)
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* Decimals so that they are comparable, regardless of the change
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made to __repr__ in Python 2.6.
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"""
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return doctest.OutputChecker.check_output(self,
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normalize_decimals(normalize_long_ints(want)),
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normalize_decimals(normalize_long_ints(got)),
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optionflags)
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def check_output_xml(self, want, got, optionsflags):
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try:
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return compare_xml(want, got)
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except Exception:
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return False
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def check_output_json(self, want, got, optionsflags):
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"""
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Tries to compare want and got as if they were JSON-encoded data
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"""
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want, got = strip_quotes(want, got)
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try:
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want_json = json.loads(want)
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got_json = json.loads(got)
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except Exception:
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return False
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return want_json == got_json
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class DocTestRunner(doctest.DocTestRunner):
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def __init__(self, *args, **kwargs):
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doctest.DocTestRunner.__init__(self, *args, **kwargs)
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self.optionflags = doctest.ELLIPSIS
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def report_unexpected_exception(self, out, test, example, exc_info):
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doctest.DocTestRunner.report_unexpected_exception(self, out, test,
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example, exc_info)
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# Rollback, in case of database errors. Otherwise they'd have
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# side effects on other tests.
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for conn in connections:
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transaction.rollback_unless_managed(using=conn)
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class _AssertNumQueriesContext(CaptureQueriesContext):
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def __init__(self, test_case, num, connection):
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self.test_case = test_case
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self.num = num
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super(_AssertNumQueriesContext, self).__init__(connection)
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def __exit__(self, exc_type, exc_value, traceback):
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if exc_type is not None:
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return
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super(_AssertNumQueriesContext, self).__exit__(exc_type, exc_value, traceback)
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executed = len(self)
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self.test_case.assertEqual(
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executed, self.num, "%d queries executed, %d expected" % (
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executed, self.num
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)
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)
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class _AssertTemplateUsedContext(object):
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def __init__(self, test_case, template_name):
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self.test_case = test_case
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self.template_name = template_name
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self.rendered_templates = []
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self.rendered_template_names = []
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self.context = ContextList()
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def on_template_render(self, sender, signal, template, context, **kwargs):
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self.rendered_templates.append(template)
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self.rendered_template_names.append(template.name)
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self.context.append(copy(context))
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def test(self):
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return self.template_name in self.rendered_template_names
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def message(self):
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return '%s was not rendered.' % self.template_name
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def __enter__(self):
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template_rendered.connect(self.on_template_render)
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return self
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def __exit__(self, exc_type, exc_value, traceback):
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template_rendered.disconnect(self.on_template_render)
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if exc_type is not None:
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return
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if not self.test():
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message = self.message()
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if len(self.rendered_templates) == 0:
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message += ' No template was rendered.'
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else:
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message += ' Following templates were rendered: %s' % (
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', '.join(self.rendered_template_names))
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self.test_case.fail(message)
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class _AssertTemplateNotUsedContext(_AssertTemplateUsedContext):
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def test(self):
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return self.template_name not in self.rendered_template_names
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def message(self):
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return '%s was rendered.' % self.template_name
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class SimpleTestCase(ut2.TestCase):
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_warn_txt = ("save_warnings_state/restore_warnings_state "
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"django.test.*TestCase methods are deprecated. Use Python's "
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"warnings.catch_warnings context manager instead.")
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def __call__(self, result=None):
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"""
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Wrapper around default __call__ method to perform common Django test
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set up. This means that user-defined Test Cases aren't required to
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include a call to super().setUp().
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"""
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testMethod = getattr(self, self._testMethodName)
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skipped = (getattr(self.__class__, "__unittest_skip__", False) or
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getattr(testMethod, "__unittest_skip__", False))
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if not skipped:
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try:
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self._pre_setup()
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except (KeyboardInterrupt, SystemExit):
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raise
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except Exception:
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result.addError(self, sys.exc_info())
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return
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super(SimpleTestCase, self).__call__(result)
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if not skipped:
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try:
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self._post_teardown()
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except (KeyboardInterrupt, SystemExit):
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raise
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except Exception:
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result.addError(self, sys.exc_info())
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return
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def _pre_setup(self):
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pass
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def _post_teardown(self):
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pass
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def save_warnings_state(self):
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"""
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Saves the state of the warnings module
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"""
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warnings.warn(self._warn_txt, DeprecationWarning, stacklevel=2)
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self._warnings_state = warnings.filters[:]
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def restore_warnings_state(self):
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"""
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Restores the state of the warnings module to the state
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saved by save_warnings_state()
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"""
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warnings.warn(self._warn_txt, DeprecationWarning, stacklevel=2)
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warnings.filters = self._warnings_state[:]
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def settings(self, **kwargs):
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"""
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A context manager that temporarily sets a setting and reverts
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back to the original value when exiting the context.
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"""
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return override_settings(**kwargs)
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def assertRaisesMessage(self, expected_exception, expected_message,
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callable_obj=None, *args, **kwargs):
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"""
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Asserts that the message in a raised exception matches the passed
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value.
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Args:
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expected_exception: Exception class expected to be raised.
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expected_message: expected error message string value.
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callable_obj: Function to be called.
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args: Extra args.
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kwargs: Extra kwargs.
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"""
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return six.assertRaisesRegex(self, expected_exception,
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re.escape(expected_message), callable_obj, *args, **kwargs)
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def assertFieldOutput(self, fieldclass, valid, invalid, field_args=None,
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field_kwargs=None, empty_value=''):
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"""
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|
Asserts that a form field behaves correctly with various inputs.
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|
Args:
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fieldclass: the class of the field to be tested.
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valid: a dictionary mapping valid inputs to their expected
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cleaned values.
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invalid: a dictionary mapping invalid inputs to one or more
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raised error messages.
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field_args: the args passed to instantiate the field
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field_kwargs: the kwargs passed to instantiate the field
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empty_value: the expected clean output for inputs in EMPTY_VALUES
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"""
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if field_args is None:
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field_args = []
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if field_kwargs is None:
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field_kwargs = {}
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required = fieldclass(*field_args, **field_kwargs)
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optional = fieldclass(*field_args,
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**dict(field_kwargs, required=False))
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# test valid inputs
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for input, output in valid.items():
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self.assertEqual(required.clean(input), output)
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self.assertEqual(optional.clean(input), output)
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# test invalid inputs
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for input, errors in invalid.items():
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with self.assertRaises(ValidationError) as context_manager:
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required.clean(input)
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self.assertEqual(context_manager.exception.messages, errors)
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with self.assertRaises(ValidationError) as context_manager:
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optional.clean(input)
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self.assertEqual(context_manager.exception.messages, errors)
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# test required inputs
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error_required = [force_text(required.error_messages['required'])]
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for e in EMPTY_VALUES:
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with self.assertRaises(ValidationError) as context_manager:
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required.clean(e)
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self.assertEqual(context_manager.exception.messages,
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error_required)
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self.assertEqual(optional.clean(e), empty_value)
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# test that max_length and min_length are always accepted
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if issubclass(fieldclass, CharField):
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field_kwargs.update({'min_length':2, 'max_length':20})
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self.assertTrue(isinstance(fieldclass(*field_args, **field_kwargs),
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fieldclass))
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def assertHTMLEqual(self, html1, html2, msg=None):
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"""
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Asserts that two HTML snippets are semantically the same.
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Whitespace in most cases is ignored, and attribute ordering is not
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significant. The passed-in arguments must be valid HTML.
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"""
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dom1 = assert_and_parse_html(self, html1, msg,
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'First argument is not valid HTML:')
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dom2 = assert_and_parse_html(self, html2, msg,
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'Second argument is not valid HTML:')
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if dom1 != dom2:
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standardMsg = '%s != %s' % (
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safe_repr(dom1, True), safe_repr(dom2, True))
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diff = ('\n' + '\n'.join(difflib.ndiff(
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six.text_type(dom1).splitlines(),
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six.text_type(dom2).splitlines())))
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standardMsg = self._truncateMessage(standardMsg, diff)
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self.fail(self._formatMessage(msg, standardMsg))
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def assertHTMLNotEqual(self, html1, html2, msg=None):
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"""Asserts that two HTML snippets are not semantically equivalent."""
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dom1 = assert_and_parse_html(self, html1, msg,
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'First argument is not valid HTML:')
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dom2 = assert_and_parse_html(self, html2, msg,
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'Second argument is not valid HTML:')
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|
|
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if dom1 == dom2:
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standardMsg = '%s == %s' % (
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safe_repr(dom1, True), safe_repr(dom2, True))
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self.fail(self._formatMessage(msg, standardMsg))
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def assertInHTML(self, needle, haystack, count = None, msg_prefix=''):
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needle = assert_and_parse_html(self, needle, None,
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'First argument is not valid HTML:')
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haystack = assert_and_parse_html(self, haystack, None,
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'Second argument is not valid HTML:')
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real_count = haystack.count(needle)
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if count is not None:
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self.assertEqual(real_count, count,
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msg_prefix + "Found %d instances of '%s' in response"
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" (expected %d)" % (real_count, needle, count))
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else:
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self.assertTrue(real_count != 0,
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msg_prefix + "Couldn't find '%s' in response" % needle)
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|
|
|
def assertJSONEqual(self, raw, expected_data, msg=None):
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try:
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data = json.loads(raw)
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|
except ValueError:
|
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self.fail("First argument is not valid JSON: %r" % raw)
|
|
if isinstance(expected_data, six.string_types):
|
|
try:
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|
expected_data = json.loads(expected_data)
|
|
except ValueError:
|
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self.fail("Second argument is not valid JSON: %r" % expected_data)
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self.assertEqual(data, expected_data, msg=msg)
|
|
|
|
def assertXMLEqual(self, xml1, xml2, msg=None):
|
|
"""
|
|
Asserts that two XML snippets are semantically the same.
|
|
Whitespace in most cases is ignored, and attribute ordering is not
|
|
significant. The passed-in arguments must be valid XML.
|
|
"""
|
|
try:
|
|
result = compare_xml(xml1, xml2)
|
|
except Exception as e:
|
|
standardMsg = 'First or second argument is not valid XML\n%s' % e
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self.fail(self._formatMessage(msg, standardMsg))
|
|
else:
|
|
if not result:
|
|
standardMsg = '%s != %s' % (safe_repr(xml1, True), safe_repr(xml2, True))
|
|
self.fail(self._formatMessage(msg, standardMsg))
|
|
|
|
def assertXMLNotEqual(self, xml1, xml2, msg=None):
|
|
"""
|
|
Asserts that two XML snippets are not semantically equivalent.
|
|
Whitespace in most cases is ignored, and attribute ordering is not
|
|
significant. The passed-in arguments must be valid XML.
|
|
"""
|
|
try:
|
|
result = compare_xml(xml1, xml2)
|
|
except Exception as e:
|
|
standardMsg = 'First or second argument is not valid XML\n%s' % e
|
|
self.fail(self._formatMessage(msg, standardMsg))
|
|
else:
|
|
if result:
|
|
standardMsg = '%s == %s' % (safe_repr(xml1, True), safe_repr(xml2, True))
|
|
self.fail(self._formatMessage(msg, standardMsg))
|
|
|
|
|
|
class TransactionTestCase(SimpleTestCase):
|
|
|
|
# The class we'll use for the test client self.client.
|
|
# Can be overridden in derived classes.
|
|
client_class = Client
|
|
|
|
# Subclasses can ask for resetting of auto increment sequence before each
|
|
# test case
|
|
reset_sequences = False
|
|
|
|
def _pre_setup(self):
|
|
"""Performs any pre-test setup. This includes:
|
|
|
|
* Flushing the database.
|
|
* If the Test Case class has a 'fixtures' member, installing the
|
|
named fixtures.
|
|
* If the Test Case class has a 'urls' member, replace the
|
|
ROOT_URLCONF with it.
|
|
* Clearing the mail test outbox.
|
|
"""
|
|
self.client = self.client_class()
|
|
self._fixture_setup()
|
|
self._urlconf_setup()
|
|
mail.outbox = []
|
|
|
|
def _databases_names(self, include_mirrors=True):
|
|
# If the test case has a multi_db=True flag, act on all databases,
|
|
# including mirrors or not. Otherwise, just on the default DB.
|
|
if getattr(self, 'multi_db', False):
|
|
return [alias for alias in connections
|
|
if include_mirrors or not connections[alias].settings_dict['TEST_MIRROR']]
|
|
else:
|
|
return [DEFAULT_DB_ALIAS]
|
|
|
|
def _reset_sequences(self, db_name):
|
|
conn = connections[db_name]
|
|
if conn.features.supports_sequence_reset:
|
|
sql_list = \
|
|
conn.ops.sequence_reset_by_name_sql(no_style(),
|
|
conn.introspection.sequence_list())
|
|
if sql_list:
|
|
try:
|
|
cursor = conn.cursor()
|
|
for sql in sql_list:
|
|
cursor.execute(sql)
|
|
except Exception:
|
|
transaction.rollback_unless_managed(using=db_name)
|
|
raise
|
|
transaction.commit_unless_managed(using=db_name)
|
|
|
|
def _fixture_setup(self):
|
|
for db_name in self._databases_names(include_mirrors=False):
|
|
# Reset sequences
|
|
if self.reset_sequences:
|
|
self._reset_sequences(db_name)
|
|
|
|
if hasattr(self, 'fixtures'):
|
|
# We have to use this slightly awkward syntax due to the fact
|
|
# that we're using *args and **kwargs together.
|
|
call_command('loaddata', *self.fixtures,
|
|
**{'verbosity': 0, 'database': db_name, 'skip_validation': True})
|
|
|
|
def _urlconf_setup(self):
|
|
if hasattr(self, 'urls'):
|
|
self._old_root_urlconf = settings.ROOT_URLCONF
|
|
settings.ROOT_URLCONF = self.urls
|
|
clear_url_caches()
|
|
|
|
def _post_teardown(self):
|
|
""" Performs any post-test things. This includes:
|
|
|
|
* Putting back the original ROOT_URLCONF if it was changed.
|
|
* Force closing the connection, so that the next test gets
|
|
a clean cursor.
|
|
"""
|
|
self._fixture_teardown()
|
|
self._urlconf_teardown()
|
|
# Some DB cursors include SQL statements as part of cursor
|
|
# creation. If you have a test that does rollback, the effect
|
|
# of these statements is lost, which can effect the operation
|
|
# of tests (e.g., losing a timezone setting causing objects to
|
|
# be created with the wrong time).
|
|
# To make sure this doesn't happen, get a clean connection at the
|
|
# start of every test.
|
|
for conn in connections.all():
|
|
conn.close()
|
|
|
|
def _fixture_teardown(self):
|
|
# Roll back any pending transactions in order to avoid a deadlock
|
|
# during flush when TEST_MIRROR is used (#18984).
|
|
for conn in connections.all():
|
|
conn.rollback_unless_managed()
|
|
|
|
for db in self._databases_names(include_mirrors=False):
|
|
call_command('flush', verbosity=0, interactive=False, database=db,
|
|
skip_validation=True, reset_sequences=False)
|
|
|
|
def _urlconf_teardown(self):
|
|
if hasattr(self, '_old_root_urlconf'):
|
|
settings.ROOT_URLCONF = self._old_root_urlconf
|
|
clear_url_caches()
|
|
|
|
def assertRedirects(self, response, expected_url, status_code=302,
|
|
target_status_code=200, host=None, msg_prefix=''):
|
|
"""Asserts that a response redirected to a specific URL, and that the
|
|
redirect URL can be loaded.
|
|
|
|
Note that assertRedirects won't work for external links since it uses
|
|
TestClient to do a request.
|
|
"""
|
|
if msg_prefix:
|
|
msg_prefix += ": "
|
|
|
|
if hasattr(response, 'redirect_chain'):
|
|
# The request was a followed redirect
|
|
self.assertTrue(len(response.redirect_chain) > 0,
|
|
msg_prefix + "Response didn't redirect as expected: Response"
|
|
" code was %d (expected %d)" %
|
|
(response.status_code, status_code))
|
|
|
|
self.assertEqual(response.redirect_chain[0][1], status_code,
|
|
msg_prefix + "Initial response didn't redirect as expected:"
|
|
" Response code was %d (expected %d)" %
|
|
(response.redirect_chain[0][1], status_code))
|
|
|
|
url, status_code = response.redirect_chain[-1]
|
|
|
|
self.assertEqual(response.status_code, target_status_code,
|
|
msg_prefix + "Response didn't redirect as expected: Final"
|
|
" Response code was %d (expected %d)" %
|
|
(response.status_code, target_status_code))
|
|
|
|
else:
|
|
# Not a followed redirect
|
|
self.assertEqual(response.status_code, status_code,
|
|
msg_prefix + "Response didn't redirect as expected: Response"
|
|
" code was %d (expected %d)" %
|
|
(response.status_code, status_code))
|
|
|
|
url = response.url
|
|
scheme, netloc, path, query, fragment = urlsplit(url)
|
|
|
|
redirect_response = response.client.get(path, QueryDict(query))
|
|
|
|
# Get the redirection page, using the same client that was used
|
|
# to obtain the original response.
|
|
self.assertEqual(redirect_response.status_code, target_status_code,
|
|
msg_prefix + "Couldn't retrieve redirection page '%s':"
|
|
" response code was %d (expected %d)" %
|
|
(path, redirect_response.status_code, target_status_code))
|
|
|
|
e_scheme, e_netloc, e_path, e_query, e_fragment = urlsplit(
|
|
expected_url)
|
|
if not (e_scheme or e_netloc):
|
|
expected_url = urlunsplit(('http', host or 'testserver', e_path,
|
|
e_query, e_fragment))
|
|
|
|
self.assertEqual(url, expected_url,
|
|
msg_prefix + "Response redirected to '%s', expected '%s'" %
|
|
(url, expected_url))
|
|
|
|
def assertContains(self, response, text, count=None, status_code=200,
|
|
msg_prefix='', html=False):
|
|
"""
|
|
Asserts that a response indicates that some content was retrieved
|
|
successfully, (i.e., the HTTP status code was as expected), and that
|
|
``text`` occurs ``count`` times in the content of the response.
|
|
If ``count`` is None, the count doesn't matter - the assertion is true
|
|
if the text occurs at least once in the response.
|
|
"""
|
|
|
|
# If the response supports deferred rendering and hasn't been rendered
|
|
# yet, then ensure that it does get rendered before proceeding further.
|
|
if (hasattr(response, 'render') and callable(response.render)
|
|
and not response.is_rendered):
|
|
response.render()
|
|
|
|
if msg_prefix:
|
|
msg_prefix += ": "
|
|
|
|
self.assertEqual(response.status_code, status_code,
|
|
msg_prefix + "Couldn't retrieve content: Response code was %d"
|
|
" (expected %d)" % (response.status_code, status_code))
|
|
text = force_text(text, encoding=response._charset)
|
|
if response.streaming:
|
|
content = b''.join(response.streaming_content)
|
|
else:
|
|
content = response.content
|
|
content = content.decode(response._charset)
|
|
if html:
|
|
content = assert_and_parse_html(self, content, None,
|
|
"Response's content is not valid HTML:")
|
|
text = assert_and_parse_html(self, text, None,
|
|
"Second argument is not valid HTML:")
|
|
real_count = content.count(text)
|
|
if count is not None:
|
|
self.assertEqual(real_count, count,
|
|
msg_prefix + "Found %d instances of '%s' in response"
|
|
" (expected %d)" % (real_count, text, count))
|
|
else:
|
|
self.assertTrue(real_count != 0,
|
|
msg_prefix + "Couldn't find '%s' in response" % text)
|
|
|
|
def assertNotContains(self, response, text, status_code=200,
|
|
msg_prefix='', html=False):
|
|
"""
|
|
Asserts that a response indicates that some content was retrieved
|
|
successfully, (i.e., the HTTP status code was as expected), and that
|
|
``text`` doesn't occurs in the content of the response.
|
|
"""
|
|
|
|
# If the response supports deferred rendering and hasn't been rendered
|
|
# yet, then ensure that it does get rendered before proceeding further.
|
|
if (hasattr(response, 'render') and callable(response.render)
|
|
and not response.is_rendered):
|
|
response.render()
|
|
|
|
if msg_prefix:
|
|
msg_prefix += ": "
|
|
|
|
self.assertEqual(response.status_code, status_code,
|
|
msg_prefix + "Couldn't retrieve content: Response code was %d"
|
|
" (expected %d)" % (response.status_code, status_code))
|
|
text = force_text(text, encoding=response._charset)
|
|
content = response.content.decode(response._charset)
|
|
if html:
|
|
content = assert_and_parse_html(self, content, None,
|
|
'Response\'s content is not valid HTML:')
|
|
text = assert_and_parse_html(self, text, None,
|
|
'Second argument is not valid HTML:')
|
|
self.assertEqual(content.count(text), 0,
|
|
msg_prefix + "Response should not contain '%s'" % text)
|
|
|
|
def assertFormError(self, response, form, field, errors, msg_prefix=''):
|
|
"""
|
|
Asserts that a form used to render the response has a specific field
|
|
error.
|
|
"""
|
|
if msg_prefix:
|
|
msg_prefix += ": "
|
|
|
|
# Put context(s) into a list to simplify processing.
|
|
contexts = to_list(response.context)
|
|
if not contexts:
|
|
self.fail(msg_prefix + "Response did not use any contexts to "
|
|
"render the response")
|
|
|
|
# Put error(s) into a list to simplify processing.
|
|
errors = to_list(errors)
|
|
|
|
# Search all contexts for the error.
|
|
found_form = False
|
|
for i,context in enumerate(contexts):
|
|
if form not in context:
|
|
continue
|
|
found_form = True
|
|
for err in errors:
|
|
if field:
|
|
if field in context[form].errors:
|
|
field_errors = context[form].errors[field]
|
|
self.assertTrue(err in field_errors,
|
|
msg_prefix + "The field '%s' on form '%s' in"
|
|
" context %d does not contain the error '%s'"
|
|
" (actual errors: %s)" %
|
|
(field, form, i, err, repr(field_errors)))
|
|
elif field in context[form].fields:
|
|
self.fail(msg_prefix + "The field '%s' on form '%s'"
|
|
" in context %d contains no errors" %
|
|
(field, form, i))
|
|
else:
|
|
self.fail(msg_prefix + "The form '%s' in context %d"
|
|
" does not contain the field '%s'" %
|
|
(form, i, field))
|
|
else:
|
|
non_field_errors = context[form].non_field_errors()
|
|
self.assertTrue(err in non_field_errors,
|
|
msg_prefix + "The form '%s' in context %d does not"
|
|
" contain the non-field error '%s'"
|
|
" (actual errors: %s)" %
|
|
(form, i, err, non_field_errors))
|
|
if not found_form:
|
|
self.fail(msg_prefix + "The form '%s' was not used to render the"
|
|
" response" % form)
|
|
|
|
def assertTemplateUsed(self, response=None, template_name=None, msg_prefix=''):
|
|
"""
|
|
Asserts that the template with the provided name was used in rendering
|
|
the response. Also usable as context manager.
|
|
"""
|
|
if response is None and template_name is None:
|
|
raise TypeError('response and/or template_name argument must be provided')
|
|
|
|
if msg_prefix:
|
|
msg_prefix += ": "
|
|
|
|
# Use assertTemplateUsed as context manager.
|
|
if not hasattr(response, 'templates') or (response is None and template_name):
|
|
if response:
|
|
template_name = response
|
|
response = None
|
|
context = _AssertTemplateUsedContext(self, template_name)
|
|
return context
|
|
|
|
template_names = [t.name for t in response.templates]
|
|
if not template_names:
|
|
self.fail(msg_prefix + "No templates used to render the response")
|
|
self.assertTrue(template_name in template_names,
|
|
msg_prefix + "Template '%s' was not a template used to render"
|
|
" the response. Actual template(s) used: %s" %
|
|
(template_name, ', '.join(template_names)))
|
|
|
|
def assertTemplateNotUsed(self, response=None, template_name=None, msg_prefix=''):
|
|
"""
|
|
Asserts that the template with the provided name was NOT used in
|
|
rendering the response. Also usable as context manager.
|
|
"""
|
|
if response is None and template_name is None:
|
|
raise TypeError('response and/or template_name argument must be provided')
|
|
|
|
if msg_prefix:
|
|
msg_prefix += ": "
|
|
|
|
# Use assertTemplateUsed as context manager.
|
|
if not hasattr(response, 'templates') or (response is None and template_name):
|
|
if response:
|
|
template_name = response
|
|
response = None
|
|
context = _AssertTemplateNotUsedContext(self, template_name)
|
|
return context
|
|
|
|
template_names = [t.name for t in response.templates]
|
|
self.assertFalse(template_name in template_names,
|
|
msg_prefix + "Template '%s' was used unexpectedly in rendering"
|
|
" the response" % template_name)
|
|
|
|
def assertQuerysetEqual(self, qs, values, transform=repr, ordered=True):
|
|
items = six.moves.map(transform, qs)
|
|
if not ordered:
|
|
return self.assertEqual(set(items), set(values))
|
|
values = list(values)
|
|
# For example qs.iterator() could be passed as qs, but it does not
|
|
# have 'ordered' attribute.
|
|
if len(values) > 1 and hasattr(qs, 'ordered') and not qs.ordered:
|
|
raise ValueError("Trying to compare non-ordered queryset "
|
|
"against more than one ordered values")
|
|
return self.assertEqual(list(items), values)
|
|
|
|
def assertNumQueries(self, num, func=None, *args, **kwargs):
|
|
using = kwargs.pop("using", DEFAULT_DB_ALIAS)
|
|
conn = connections[using]
|
|
|
|
context = _AssertNumQueriesContext(self, num, conn)
|
|
if func is None:
|
|
return context
|
|
|
|
with context:
|
|
func(*args, **kwargs)
|
|
|
|
|
|
def connections_support_transactions():
|
|
"""
|
|
Returns True if all connections support transactions.
|
|
"""
|
|
return all(conn.features.supports_transactions
|
|
for conn in connections.all())
|
|
|
|
|
|
class TestCase(TransactionTestCase):
|
|
"""
|
|
Does basically the same as TransactionTestCase, but surrounds every test
|
|
with a transaction, monkey-patches the real transaction management routines
|
|
to do nothing, and rollsback the test transaction at the end of the test.
|
|
You have to use TransactionTestCase, if you need transaction management
|
|
inside a test.
|
|
"""
|
|
|
|
def _fixture_setup(self):
|
|
if not connections_support_transactions():
|
|
return super(TestCase, self)._fixture_setup()
|
|
|
|
assert not self.reset_sequences, 'reset_sequences cannot be used on TestCase instances'
|
|
|
|
for db_name in self._databases_names():
|
|
transaction.enter_transaction_management(using=db_name)
|
|
transaction.managed(True, using=db_name)
|
|
disable_transaction_methods()
|
|
|
|
from django.contrib.sites.models import Site
|
|
Site.objects.clear_cache()
|
|
|
|
for db in self._databases_names(include_mirrors=False):
|
|
if hasattr(self, 'fixtures'):
|
|
call_command('loaddata', *self.fixtures,
|
|
**{
|
|
'verbosity': 0,
|
|
'commit': False,
|
|
'database': db,
|
|
'skip_validation': True,
|
|
})
|
|
|
|
def _fixture_teardown(self):
|
|
if not connections_support_transactions():
|
|
return super(TestCase, self)._fixture_teardown()
|
|
|
|
restore_transaction_methods()
|
|
for db in self._databases_names():
|
|
transaction.rollback(using=db)
|
|
transaction.leave_transaction_management(using=db)
|
|
|
|
|
|
def _deferredSkip(condition, reason):
|
|
def decorator(test_func):
|
|
if not (isinstance(test_func, type) and
|
|
issubclass(test_func, TestCase)):
|
|
@wraps(test_func)
|
|
def skip_wrapper(*args, **kwargs):
|
|
if condition():
|
|
raise ut2.SkipTest(reason)
|
|
return test_func(*args, **kwargs)
|
|
test_item = skip_wrapper
|
|
else:
|
|
test_item = test_func
|
|
test_item.__unittest_skip_why__ = reason
|
|
return test_item
|
|
return decorator
|
|
|
|
|
|
def skipIfDBFeature(feature):
|
|
"""
|
|
Skip a test if a database has the named feature
|
|
"""
|
|
return _deferredSkip(lambda: getattr(connection.features, feature),
|
|
"Database has feature %s" % feature)
|
|
|
|
|
|
def skipUnlessDBFeature(feature):
|
|
"""
|
|
Skip a test unless a database has the named feature
|
|
"""
|
|
return _deferredSkip(lambda: not getattr(connection.features, feature),
|
|
"Database doesn't support feature %s" % feature)
|
|
|
|
|
|
class QuietWSGIRequestHandler(WSGIRequestHandler):
|
|
"""
|
|
Just a regular WSGIRequestHandler except it doesn't log to the standard
|
|
output any of the requests received, so as to not clutter the output for
|
|
the tests' results.
|
|
"""
|
|
|
|
def log_message(*args):
|
|
pass
|
|
|
|
|
|
if sys.version_info >= (3, 3, 0):
|
|
_ImprovedEvent = threading.Event
|
|
elif sys.version_info >= (2, 7, 0):
|
|
_ImprovedEvent = threading._Event
|
|
else:
|
|
class _ImprovedEvent(threading._Event):
|
|
"""
|
|
Does the same as `threading.Event` except it overrides the wait() method
|
|
with some code borrowed from Python 2.7 to return the set state of the
|
|
event (see: http://hg.python.org/cpython/rev/b5aa8aa78c0f/). This allows
|
|
to know whether the wait() method exited normally or because of the
|
|
timeout. This class can be removed when Django supports only Python >= 2.7.
|
|
"""
|
|
|
|
def wait(self, timeout=None):
|
|
self._Event__cond.acquire()
|
|
try:
|
|
if not self._Event__flag:
|
|
self._Event__cond.wait(timeout)
|
|
return self._Event__flag
|
|
finally:
|
|
self._Event__cond.release()
|
|
|
|
|
|
class StoppableWSGIServer(WSGIServer):
|
|
"""
|
|
The code in this class is borrowed from the `SocketServer.BaseServer` class
|
|
in Python 2.6. The important functionality here is that the server is non-
|
|
blocking and that it can be shut down at any moment. This is made possible
|
|
by the server regularly polling the socket and checking if it has been
|
|
asked to stop.
|
|
Note for the future: Once Django stops supporting Python 2.6, this class
|
|
can be removed as `WSGIServer` will have this ability to shutdown on
|
|
demand and will not require the use of the _ImprovedEvent class whose code
|
|
is borrowed from Python 2.7.
|
|
"""
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
super(StoppableWSGIServer, self).__init__(*args, **kwargs)
|
|
self.__is_shut_down = _ImprovedEvent()
|
|
self.__serving = False
|
|
|
|
def serve_forever(self, poll_interval=0.5):
|
|
"""
|
|
Handle one request at a time until shutdown.
|
|
|
|
Polls for shutdown every poll_interval seconds.
|
|
"""
|
|
self.__serving = True
|
|
self.__is_shut_down.clear()
|
|
while self.__serving:
|
|
r, w, e = select.select([self], [], [], poll_interval)
|
|
if r:
|
|
self._handle_request_noblock()
|
|
self.__is_shut_down.set()
|
|
|
|
def shutdown(self):
|
|
"""
|
|
Stops the serve_forever loop.
|
|
|
|
Blocks until the loop has finished. This must be called while
|
|
serve_forever() is running in another thread, or it will
|
|
deadlock.
|
|
"""
|
|
self.__serving = False
|
|
if not self.__is_shut_down.wait(2):
|
|
raise RuntimeError(
|
|
"Failed to shutdown the live test server in 2 seconds. The "
|
|
"server might be stuck or generating a slow response.")
|
|
|
|
def handle_request(self):
|
|
"""Handle one request, possibly blocking.
|
|
"""
|
|
fd_sets = select.select([self], [], [], None)
|
|
if not fd_sets[0]:
|
|
return
|
|
self._handle_request_noblock()
|
|
|
|
def _handle_request_noblock(self):
|
|
"""
|
|
Handle one request, without blocking.
|
|
|
|
I assume that select.select has returned that the socket is
|
|
readable before this function was called, so there should be
|
|
no risk of blocking in get_request().
|
|
"""
|
|
try:
|
|
request, client_address = self.get_request()
|
|
except socket.error:
|
|
return
|
|
if self.verify_request(request, client_address):
|
|
try:
|
|
self.process_request(request, client_address)
|
|
except Exception:
|
|
self.handle_error(request, client_address)
|
|
self.close_request(request)
|
|
|
|
|
|
class _MediaFilesHandler(StaticFilesHandler):
|
|
"""
|
|
Handler for serving the media files. This is a private class that is
|
|
meant to be used solely as a convenience by LiveServerThread.
|
|
"""
|
|
|
|
def get_base_dir(self):
|
|
return settings.MEDIA_ROOT
|
|
|
|
def get_base_url(self):
|
|
return settings.MEDIA_URL
|
|
|
|
def serve(self, request):
|
|
relative_url = request.path[len(self.base_url[2]):]
|
|
return serve(request, relative_url, document_root=self.get_base_dir())
|
|
|
|
|
|
class LiveServerThread(threading.Thread):
|
|
"""
|
|
Thread for running a live http server while the tests are running.
|
|
"""
|
|
|
|
def __init__(self, host, possible_ports, connections_override=None):
|
|
self.host = host
|
|
self.port = None
|
|
self.possible_ports = possible_ports
|
|
self.is_ready = threading.Event()
|
|
self.error = None
|
|
self.connections_override = connections_override
|
|
super(LiveServerThread, self).__init__()
|
|
|
|
def run(self):
|
|
"""
|
|
Sets up the live server and databases, and then loops over handling
|
|
http requests.
|
|
"""
|
|
if self.connections_override:
|
|
# Override this thread's database connections with the ones
|
|
# provided by the main thread.
|
|
for alias, conn in self.connections_override.items():
|
|
connections[alias] = conn
|
|
try:
|
|
# Create the handler for serving static and media files
|
|
handler = StaticFilesHandler(_MediaFilesHandler(WSGIHandler()))
|
|
|
|
# Go through the list of possible ports, hoping that we can find
|
|
# one that is free to use for the WSGI server.
|
|
for index, port in enumerate(self.possible_ports):
|
|
try:
|
|
self.httpd = StoppableWSGIServer(
|
|
(self.host, port), QuietWSGIRequestHandler)
|
|
except WSGIServerException as e:
|
|
if (index + 1 < len(self.possible_ports) and
|
|
hasattr(e.args[0], 'errno') and
|
|
e.args[0].errno == errno.EADDRINUSE):
|
|
# This port is already in use, so we go on and try with
|
|
# the next one in the list.
|
|
continue
|
|
else:
|
|
# Either none of the given ports are free or the error
|
|
# is something else than "Address already in use". So
|
|
# we let that error bubble up to the main thread.
|
|
raise
|
|
else:
|
|
# A free port was found.
|
|
self.port = port
|
|
break
|
|
|
|
self.httpd.set_app(handler)
|
|
self.is_ready.set()
|
|
self.httpd.serve_forever()
|
|
except Exception as e:
|
|
self.error = e
|
|
self.is_ready.set()
|
|
|
|
def join(self, timeout=None):
|
|
if hasattr(self, 'httpd'):
|
|
# Stop the WSGI server
|
|
self.httpd.shutdown()
|
|
self.httpd.server_close()
|
|
super(LiveServerThread, self).join(timeout)
|
|
|
|
|
|
class LiveServerTestCase(TransactionTestCase):
|
|
"""
|
|
Does basically the same as TransactionTestCase but also launches a live
|
|
http server in a separate thread so that the tests may use another testing
|
|
framework, such as Selenium for example, instead of the built-in dummy
|
|
client.
|
|
Note that it inherits from TransactionTestCase instead of TestCase because
|
|
the threads do not share the same transactions (unless if using in-memory
|
|
sqlite) and each thread needs to commit all their transactions so that the
|
|
other thread can see the changes.
|
|
"""
|
|
|
|
@property
|
|
def live_server_url(self):
|
|
return 'http://%s:%s' % (
|
|
self.server_thread.host, self.server_thread.port)
|
|
|
|
@classmethod
|
|
def setUpClass(cls):
|
|
connections_override = {}
|
|
for conn in connections.all():
|
|
# If using in-memory sqlite databases, pass the connections to
|
|
# the server thread.
|
|
if (conn.settings_dict['ENGINE'].rsplit('.', 1)[-1] in ('sqlite3', 'spatialite')
|
|
and conn.settings_dict['NAME'] == ':memory:'):
|
|
# Explicitly enable thread-shareability for this connection
|
|
conn.allow_thread_sharing = True
|
|
connections_override[conn.alias] = conn
|
|
|
|
# Launch the live server's thread
|
|
specified_address = os.environ.get(
|
|
'DJANGO_LIVE_TEST_SERVER_ADDRESS', 'localhost:8081')
|
|
|
|
# The specified ports may be of the form '8000-8010,8080,9200-9300'
|
|
# i.e. a comma-separated list of ports or ranges of ports, so we break
|
|
# it down into a detailed list of all possible ports.
|
|
possible_ports = []
|
|
try:
|
|
host, port_ranges = specified_address.split(':')
|
|
for port_range in port_ranges.split(','):
|
|
# A port range can be of either form: '8000' or '8000-8010'.
|
|
extremes = list(map(int, port_range.split('-')))
|
|
assert len(extremes) in [1, 2]
|
|
if len(extremes) == 1:
|
|
# Port range of the form '8000'
|
|
possible_ports.append(extremes[0])
|
|
else:
|
|
# Port range of the form '8000-8010'
|
|
for port in range(extremes[0], extremes[1] + 1):
|
|
possible_ports.append(port)
|
|
except Exception:
|
|
raise ImproperlyConfigured('Invalid address ("%s") for live '
|
|
'server.' % specified_address)
|
|
cls.server_thread = LiveServerThread(
|
|
host, possible_ports, connections_override)
|
|
cls.server_thread.daemon = True
|
|
cls.server_thread.start()
|
|
|
|
# Wait for the live server to be ready
|
|
cls.server_thread.is_ready.wait()
|
|
if cls.server_thread.error:
|
|
raise cls.server_thread.error
|
|
|
|
super(LiveServerTestCase, cls).setUpClass()
|
|
|
|
@classmethod
|
|
def tearDownClass(cls):
|
|
# There may not be a 'server_thread' attribute if setUpClass() for some
|
|
# reasons has raised an exception.
|
|
if hasattr(cls, 'server_thread'):
|
|
# Terminate the live server's thread
|
|
cls.server_thread.join()
|
|
|
|
# Restore sqlite connections' non-sharability
|
|
for conn in connections.all():
|
|
if (conn.settings_dict['ENGINE'].rsplit('.', 1)[-1] in ('sqlite3', 'spatialite')
|
|
and conn.settings_dict['NAME'] == ':memory:'):
|
|
conn.allow_thread_sharing = False
|
|
|
|
super(LiveServerTestCase, cls).tearDownClass()
|