def test_iterateIsLeftToRightDepthFirst(self):
"""
L{_iterateTests} returns tests in left-to-right, depth-first order.
"""
test = unittest.TestCase()
suite = runner.TestSuite([runner.TestSuite([test]), self])
self.assertEqual([test, self], list(unittest._iterateTests(suite)))
def test_iterateNestedTestSuite(self):
"""
L{_iterateTests} returns tests that are in nested test suites.
"""
test = unittest.TestCase()
suite = runner.TestSuite([runner.TestSuite([test])])
self.assertEqual([test], list(unittest._iterateTests(suite)))
def test_iterateTestCase(self):
"""
L{_iterateTests} on a single test case returns a list containing that
test case.
"""
test = unittest.TestCase()
self.assertEqual([test], list(unittest._iterateTests(test)))
def test_iterateSingletonTestSuite(self):
"""
L{_iterateTests} on a test suite that contains a single test case
returns a list containing that test case.
"""
test = unittest.TestCase()
suite = runner.TestSuite([test])
self.assertEqual([test], list(unittest._iterateTests(suite)))
def test_defaultIsSuccessful(self):
"""
Test that L{unittest.TestCase} itself can be instantiated, run, and
reported as being successful.
"""
test = unittest.TestCase()
test.run(self.result)
self.assertSuccessful(test, self.result)
def test_decorateSingleTest(self):
"""
Calling L{decorate} on a single test case returns the test case
decorated with the provided decorator.
"""
test = unittest.TestCase()
decoratedTest = unittest.decorate(test, unittest.TestDecorator)
self.assertTestsEqual(unittest.TestDecorator(test), decoratedTest)
def test_decorateTestSuite(self):
"""
Calling L{decorate} on a test suite will return a test suite with
each test decorated with the provided decorator.
"""
test = unittest.TestCase()
suite = unittest.TestSuite([test])
decoratedTest = unittest.decorate(suite, unittest.TestDecorator)
self.assertSuitesEqual(
decoratedTest, unittest.TestSuite([unittest.TestDecorator(test)]))
def test_decoratePreservesSuite(self):
"""
Tests can be in non-standard suites. L{decorate} preserves the
non-standard suites when it decorates the tests.
"""
test = unittest.TestCase()
suite = runner.DestructiveTestSuite([test])
decorated = unittest.decorate(suite, unittest.TestDecorator)
self.assertSuitesEqual(
decorated,
runner.DestructiveTestSuite([unittest.TestDecorator(test)]))
def _bail(self):
from twisted.internet import reactor
d = defer.Deferred()
reactor.addSystemEventTrigger('after', 'shutdown',
lambda: d.callback(None))
reactor.fireSystemEvent('shutdown') # radix's suggestion
# As long as TestCase does crap stuff with the reactor we need to
# manually shutdown the reactor here, and that requires util.wait
# :(
# so that the shutdown event completes
unittest.TestCase('mktemp')._wait(d)
def test_decorateInPlaceMutatesOriginal(self):
"""
Calling L{decorate} on a test suite will mutate the original suite.
"""
test = unittest.TestCase()
suite = unittest.TestSuite([test])
decoratedTest = unittest.decorate(suite, unittest.TestDecorator)
self.assertSuitesEqual(
decoratedTest, unittest.TestSuite([unittest.TestDecorator(test)]))
self.assertSuitesEqual(
suite, unittest.TestSuite([unittest.TestDecorator(test)]))
def test_decorateDecoratedSuite(self):
"""
Calling L{decorate} on a test suite with already-decorated tests
decorates all of the tests in the suite again.
"""
test = unittest.TestCase()
decoratedTest = unittest.decorate(test, unittest.TestDecorator)
redecoratedTest = unittest.decorate(decoratedTest,
unittest.TestDecorator)
self.assertTestsEqual(redecoratedTest,
unittest.TestDecorator(decoratedTest))
def test_clearSuite(self):
"""
Calling L{unittest._clearSuite} on a populated L{TestSuite} removes
all tests.
"""
suite = unittest.TestSuite()
suite.addTest(unittest.TestCase())
# Double check that the test suite actually has something in it.
self.assertEqual(1, suite.countTestCases())
unittest._clearSuite(suite)
self.assertEqual(0, suite.countTestCases())
def test_decorateNestedTestSuite(self):
"""
Calling L{decorate} on a test suite with nested suites will return a
test suite that maintains the same structure, but with all tests
decorated.
"""
test = unittest.TestCase()
suite = unittest.TestSuite([unittest.TestSuite([test])])
decoratedTest = unittest.decorate(suite, unittest.TestDecorator)
expected = unittest.TestSuite(
[unittest.TestSuite([unittest.TestDecorator(test)])])
self.assertSuitesEqual(decoratedTest, expected)
def test_usesAdaptedReporterWithRun(self):
"""
For decorated tests, C{run} uses a result adapter that preserves the
test decoration for calls to C{addError}, C{startTest} and the like.
See L{reporter._AdaptedReporter}.
"""
test = unittest.TestCase()
decoratedTest = unittest.TestDecorator(test)
result = LoggingReporter()
decoratedTest.run(result)
self.assertTestsEqual(result.test, decoratedTest)
def test_clearPyunitSuite(self):
"""
Calling L{unittest._clearSuite} on a populated standard library
L{TestSuite} removes all tests.
This test is important since C{_clearSuite} operates by mutating
internal variables.
"""
pyunit = __import__('unittest')
suite = pyunit.TestSuite()
suite.addTest(unittest.TestCase())
# Double check that the test suite actually has something in it.
self.assertEqual(1, suite.countTestCases())
unittest._clearSuite(suite)
self.assertEqual(0, suite.countTestCases())
def test_decorateTestSuiteReferences(self):
"""
When decorating a test suite in-place, the number of references to the
test objects in that test suite should stay the same.
Previously, L{unittest.decorate} recreated a test suite, so the
original suite kept references to the test objects. This test is here
to ensure the problem doesn't reappear again.
"""
getrefcount = getattr(sys, 'getrefcount', None)
if getrefcount is None:
raise unittest.SkipTest(
"getrefcount not supported on this platform")
test = unittest.TestCase()
suite = unittest.TestSuite([test])
count1 = getrefcount(test)
decoratedTest = unittest.decorate(suite, unittest.TestDecorator)
count2 = getrefcount(test)
self.assertEquals(count1, count2)
def render_element(self, element, args=None):
d = flattenString(TestRequest(args), element)
return unittest.TestCase().successResultOf(d)
def setUp(self):
self.originalValue = 'original'
self.patchedValue = 'patched'
self.objectToPatch = self.originalValue
self.test = unittest.TestCase()
