/servicios_web/gae/django-guestbook/src/django/test/simple.py
Python | 289 lines | 190 code | 30 blank | 69 comment | 53 complexity | 98c6a20461f072852f6fa69749895386 MD5 | raw file
- import sys
- import signal
-
- from django.conf import settings
- from django.db.models import get_app, get_apps
- from django.test import _doctest as doctest
- from django.test.utils import setup_test_environment, teardown_test_environment
- from django.test.testcases import OutputChecker, DocTestRunner, TestCase
- from django.utils import unittest
-
- # The module name for tests outside models.py
- TEST_MODULE = 'tests'
-
- doctestOutputChecker = OutputChecker()
-
- class DjangoTestRunner(unittest.TextTestRunner):
- def __init__(self, *args, **kwargs):
- import warnings
- warnings.warn(
- "DjangoTestRunner is deprecated; it's functionality is indistinguishable from TextTestRunner",
- PendingDeprecationWarning
- )
- super(DjangoTestRunner, self).__init__(*args, **kwargs)
-
- def get_tests(app_module):
- try:
- app_path = app_module.__name__.split('.')[:-1]
- test_module = __import__('.'.join(app_path + [TEST_MODULE]), {}, {}, TEST_MODULE)
- except ImportError, e:
- # Couldn't import tests.py. Was it due to a missing file, or
- # due to an import error in a tests.py that actually exists?
- import os.path
- from imp import find_module
- try:
- mod = find_module(TEST_MODULE, [os.path.dirname(app_module.__file__)])
- except ImportError:
- # 'tests' module doesn't exist. Move on.
- test_module = None
- else:
- # The module exists, so there must be an import error in the
- # test module itself. We don't need the module; so if the
- # module was a single file module (i.e., tests.py), close the file
- # handle returned by find_module. Otherwise, the test module
- # is a directory, and there is nothing to close.
- if mod[0]:
- mod[0].close()
- raise
- return test_module
-
- def build_suite(app_module):
- "Create a complete Django test suite for the provided application module"
- suite = unittest.TestSuite()
-
- # Load unit and doctests in the models.py module. If module has
- # a suite() method, use it. Otherwise build the test suite ourselves.
- if hasattr(app_module, 'suite'):
- suite.addTest(app_module.suite())
- else:
- suite.addTest(unittest.defaultTestLoader.loadTestsFromModule(app_module))
- try:
- suite.addTest(doctest.DocTestSuite(app_module,
- checker=doctestOutputChecker,
- runner=DocTestRunner))
- except ValueError:
- # No doc tests in models.py
- pass
-
- # Check to see if a separate 'tests' module exists parallel to the
- # models module
- test_module = get_tests(app_module)
- if test_module:
- # Load unit and doctests in the tests.py module. If module has
- # a suite() method, use it. Otherwise build the test suite ourselves.
- if hasattr(test_module, 'suite'):
- suite.addTest(test_module.suite())
- else:
- suite.addTest(unittest.defaultTestLoader.loadTestsFromModule(test_module))
- try:
- suite.addTest(doctest.DocTestSuite(test_module,
- checker=doctestOutputChecker,
- runner=DocTestRunner))
- except ValueError:
- # No doc tests in tests.py
- pass
- return suite
-
- def build_test(label):
- """Construct a test case with the specified label. Label should be of the
- form model.TestClass or model.TestClass.test_method. Returns an
- instantiated test or test suite corresponding to the label provided.
-
- """
- parts = label.split('.')
- if len(parts) < 2 or len(parts) > 3:
- raise ValueError("Test label '%s' should be of the form app.TestCase or app.TestCase.test_method" % label)
-
- #
- # First, look for TestCase instances with a name that matches
- #
- app_module = get_app(parts[0])
- test_module = get_tests(app_module)
- TestClass = getattr(app_module, parts[1], None)
-
- # Couldn't find the test class in models.py; look in tests.py
- if TestClass is None:
- if test_module:
- TestClass = getattr(test_module, parts[1], None)
-
- try:
- if issubclass(TestClass, unittest.TestCase):
- if len(parts) == 2: # label is app.TestClass
- try:
- return unittest.TestLoader().loadTestsFromTestCase(TestClass)
- except TypeError:
- raise ValueError("Test label '%s' does not refer to a test class" % label)
- else: # label is app.TestClass.test_method
- return TestClass(parts[2])
- except TypeError:
- # TestClass isn't a TestClass - it must be a method or normal class
- pass
-
- #
- # If there isn't a TestCase, look for a doctest that matches
- #
- tests = []
- for module in app_module, test_module:
- try:
- doctests = doctest.DocTestSuite(module,
- checker=doctestOutputChecker,
- runner=DocTestRunner)
- # Now iterate over the suite, looking for doctests whose name
- # matches the pattern that was given
- for test in doctests:
- if test._dt_test.name in (
- '%s.%s' % (module.__name__, '.'.join(parts[1:])),
- '%s.__test__.%s' % (module.__name__, '.'.join(parts[1:]))):
- tests.append(test)
- except ValueError:
- # No doctests found.
- pass
-
- # If no tests were found, then we were given a bad test label.
- if not tests:
- raise ValueError("Test label '%s' does not refer to a test" % label)
-
- # Construct a suite out of the tests that matched.
- return unittest.TestSuite(tests)
-
- def partition_suite(suite, classes, bins):
- """
- Partitions a test suite by test type.
-
- classes is a sequence of types
- bins is a sequence of TestSuites, one more than classes
-
- Tests of type classes[i] are added to bins[i],
- tests with no match found in classes are place in bins[-1]
- """
- for test in suite:
- if isinstance(test, unittest.TestSuite):
- partition_suite(test, classes, bins)
- else:
- for i in range(len(classes)):
- if isinstance(test, classes[i]):
- bins[i].addTest(test)
- break
- else:
- bins[-1].addTest(test)
-
- def reorder_suite(suite, classes):
- """
- Reorders a test suite by test type.
-
- classes is a sequence of types
-
- All tests of type clases[0] are placed first, then tests of type classes[1], etc.
- Tests with no match in classes are placed last.
- """
- class_count = len(classes)
- bins = [unittest.TestSuite() for i in range(class_count+1)]
- partition_suite(suite, classes, bins)
- for i in range(class_count):
- bins[0].addTests(bins[i+1])
- return bins[0]
-
-
- class DjangoTestSuiteRunner(object):
- def __init__(self, verbosity=1, interactive=True, failfast=True, **kwargs):
- self.verbosity = verbosity
- self.interactive = interactive
- self.failfast = failfast
-
- def setup_test_environment(self, **kwargs):
- setup_test_environment()
- settings.DEBUG = False
- unittest.installHandler()
-
- def build_suite(self, test_labels, extra_tests=None, **kwargs):
- suite = unittest.TestSuite()
-
- if test_labels:
- for label in test_labels:
- if '.' in label:
- suite.addTest(build_test(label))
- else:
- app = get_app(label)
- suite.addTest(build_suite(app))
- else:
- for app in get_apps():
- suite.addTest(build_suite(app))
-
- if extra_tests:
- for test in extra_tests:
- suite.addTest(test)
-
- return reorder_suite(suite, (TestCase,))
-
- def setup_databases(self, **kwargs):
- from django.db import connections
- old_names = []
- mirrors = []
- for alias in connections:
- connection = connections[alias]
- # If the database is a test mirror, redirect it's connection
- # instead of creating a test database.
- if connection.settings_dict['TEST_MIRROR']:
- mirrors.append((alias, connection))
- mirror_alias = connection.settings_dict['TEST_MIRROR']
- connections._connections[alias] = connections[mirror_alias]
- else:
- old_names.append((connection, connection.settings_dict['NAME']))
- connection.creation.create_test_db(self.verbosity, autoclobber=not self.interactive)
- return old_names, mirrors
-
- def run_suite(self, suite, **kwargs):
- return unittest.TextTestRunner(verbosity=self.verbosity, failfast=self.failfast).run(suite)
-
- def teardown_databases(self, old_config, **kwargs):
- from django.db import connections
- old_names, mirrors = old_config
- # Point all the mirrors back to the originals
- for alias, connection in mirrors:
- connections._connections[alias] = connection
- # Destroy all the non-mirror databases
- for connection, old_name in old_names:
- connection.creation.destroy_test_db(old_name, self.verbosity)
-
- def teardown_test_environment(self, **kwargs):
- unittest.removeHandler()
- teardown_test_environment()
-
- def suite_result(self, suite, result, **kwargs):
- return len(result.failures) + len(result.errors)
-
- def run_tests(self, test_labels, extra_tests=None, **kwargs):
- """
- Run the unit tests for all the test labels in the provided list.
- Labels must be of the form:
- - app.TestClass.test_method
- Run a single specific test method
- - app.TestClass
- Run all the test methods in a given class
- - app
- Search for doctests and unittests in the named application.
-
- When looking for tests, the test runner will look in the models and
- tests modules for the application.
-
- A list of 'extra' tests may also be provided; these tests
- will be added to the test suite.
-
- Returns the number of tests that failed.
- """
- self.setup_test_environment()
- suite = self.build_suite(test_labels, extra_tests)
- old_config = self.setup_databases()
- result = self.run_suite(suite)
- self.teardown_databases(old_config)
- self.teardown_test_environment()
- return self.suite_result(suite, result)
-
- def run_tests(test_labels, verbosity=1, interactive=True, failfast=False, extra_tests=None):
- import warnings
- warnings.warn(
- 'The run_tests() test runner has been deprecated in favor of DjangoTestSuiteRunner.',
- DeprecationWarning
- )
- test_runner = DjangoTestSuiteRunner(verbosity=verbosity, interactive=interactive, failfast=failfast)
- return test_runner.run_tests(test_labels, extra_tests=extra_tests)