149 lines
5.6 KiB
Python
149 lines
5.6 KiB
Python
import unittest
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from django.conf import settings
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from django.db.models import get_app, get_apps
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from django.test import _doctest as doctest
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from django.test.utils import setup_test_environment, teardown_test_environment
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from django.test.utils import create_test_db, destroy_test_db
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from django.test.testcases import OutputChecker, DocTestRunner
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# The module name for tests outside models.py
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TEST_MODULE = 'tests'
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doctestOutputChecker = OutputChecker()
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def get_tests(app_module):
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try:
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app_path = app_module.__name__.split('.')[:-1]
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test_module = __import__('.'.join(app_path + [TEST_MODULE]), {}, {}, TEST_MODULE)
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except ImportError, e:
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# Couldn't import tests.py. Was it due to a missing file, or
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# due to an import error in a tests.py that actually exists?
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import os.path
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from imp import find_module
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try:
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mod = find_module(TEST_MODULE, [os.path.dirname(app_module.__file__)])
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except ImportError:
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# 'tests' module doesn't exist. Move on.
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test_module = None
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else:
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# The module exists, so there must be an import error in the
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# test module itself. We don't need the module; so if the
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# module was a single file module (i.e., tests.py), close the file
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# handle returned by find_module. Otherwise, the test module
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# is a directory, and there is nothing to close.
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if mod[0]:
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mod[0].close()
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raise
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return test_module
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def build_suite(app_module):
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"Create a complete Django test suite for the provided application module"
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suite = unittest.TestSuite()
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# Load unit and doctests in the models.py module. If module has
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# a suite() method, use it. Otherwise build the test suite ourselves.
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if hasattr(app_module, 'suite'):
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suite.addTest(app_module.suite())
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else:
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suite.addTest(unittest.defaultTestLoader.loadTestsFromModule(app_module))
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try:
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suite.addTest(doctest.DocTestSuite(app_module,
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checker=doctestOutputChecker,
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runner=DocTestRunner))
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except ValueError:
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# No doc tests in models.py
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pass
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# Check to see if a separate 'tests' module exists parallel to the
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# models module
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test_module = get_tests(app_module)
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if test_module:
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# Load unit and doctests in the tests.py module. If module has
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# a suite() method, use it. Otherwise build the test suite ourselves.
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if hasattr(test_module, 'suite'):
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suite.addTest(test_module.suite())
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else:
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suite.addTest(unittest.defaultTestLoader.loadTestsFromModule(test_module))
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try:
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suite.addTest(doctest.DocTestSuite(test_module,
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checker=doctestOutputChecker,
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runner=DocTestRunner))
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except ValueError:
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# No doc tests in tests.py
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pass
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return suite
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def build_test(label):
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"""Construct a test case a test with the specified label. Label should
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be of the form model.TestClass or model.TestClass.test_method. Returns
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an instantiated test or test suite corresponding to the label provided.
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"""
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parts = label.split('.')
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if len(parts) < 2 or len(parts) > 3:
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raise ValueError("Test label '%s' should be of the form app.TestCase or app.TestCase.test_method" % label)
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app_module = get_app(parts[0])
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TestClass = getattr(app_module, parts[1], None)
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# Couldn't find the test class in models.py; look in tests.py
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if TestClass is None:
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test_module = get_tests(app_module)
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if test_module:
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TestClass = getattr(test_module, parts[1], None)
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if len(parts) == 2: # label is app.TestClass
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try:
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return unittest.TestLoader().loadTestsFromTestCase(TestClass)
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except TypeError:
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raise ValueError("Test label '%s' does not refer to a test class" % label)
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else: # label is app.TestClass.test_method
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return TestClass(parts[2])
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def run_tests(test_labels, verbosity=1, interactive=True, extra_tests=[]):
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"""
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Run the unit tests for all the test labels in the provided list.
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Labels must be of the form:
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- app.TestClass.test_method
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Run a single specific test method
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- app.TestClass
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Run all the test methods in a given class
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- app
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Search for doctests and unittests in the named application.
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When looking for tests, the test runner will look in the models and
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tests modules for the application.
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A list of 'extra' tests may also be provided; these tests
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will be added to the test suite.
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Returns the number of tests that failed.
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"""
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setup_test_environment()
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settings.DEBUG = False
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suite = unittest.TestSuite()
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if test_labels:
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for label in test_labels:
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if '.' in label:
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suite.addTest(build_test(label))
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else:
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app = get_app(label)
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suite.addTest(build_suite(app))
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else:
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for app in get_apps():
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suite.addTest(build_suite(app))
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for test in extra_tests:
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suite.addTest(test)
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old_name = settings.DATABASE_NAME
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create_test_db(verbosity, autoclobber=not interactive)
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result = unittest.TextTestRunner(verbosity=verbosity).run(suite)
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destroy_test_db(old_name, verbosity)
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teardown_test_environment()
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return len(result.failures) + len(result.errors)
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