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# Copyright (c) 2001-2008 Twisted Matrix Laboratories.
# See LICENSE for details.
"""
Test twisted's doctest support.
"""
from twisted.trial import itrial, runner, unittest, reporter
from twisted.trial.test import mockdoctest
class TestRunners(unittest.TestCase):
"""
Tests for Twisted's doctest support.
"""
def test_id(self):
"""
Check that the id() of the doctests' case object contains the FQPN of
the actual tests. We need this because id() has weird behaviour w/
doctest in Python 2.3.
"""
loader = runner.TestLoader()
suite = loader.loadDoctests(mockdoctest)
idPrefix = 'twisted.trial.test.mockdoctest.Counter'
for test in suite._tests:
self.assertIn(idPrefix, itrial.ITestCase(test).id())
def makeDocSuite(self, module):
"""
Return a L{runner.DocTestSuite} for the doctests in C{module}.
"""
return self.assertWarns(
DeprecationWarning, "DocTestSuite is deprecated in Twisted 8.0.",
__file__, lambda: runner.DocTestSuite(mockdoctest))
def test_correctCount(self):
"""
L{countTestCases} returns the number of doctests in the module.
"""
suite = self.makeDocSuite(mockdoctest)
self.assertEqual(7, suite.countTestCases())
def test_basicTrialIntegration(self):
"""
L{loadDoctests} loads all of the doctests in the given module.
"""
loader = runner.TestLoader()
suite = loader.loadDoctests(mockdoctest)
self.assertEqual(7, suite.countTestCases())
def _testRun(self, suite):
"""
Run C{suite} and check the result.
"""
result = reporter.TestResult()
suite.run(result)
self.assertEqual(5, result.successes)
# doctest reports failures as errors in 2.3
self.assertEqual(2, len(result.errors) + len(result.failures))
def test_expectedResults(self, count=1):
"""
Trial can correctly run doctests with its xUnit test APIs.
"""
suite = runner.TestLoader().loadDoctests(mockdoctest)
self._testRun(suite)
def test_repeatable(self):
"""
Doctests should be runnable repeatably.
"""
suite = runner.TestLoader().loadDoctests(mockdoctest)
self._testRun(suite)
self._testRun(suite)
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