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Issue #16997: unittest.TestCase now provides a subTest() context manager to procedurally generate, in an easy way, small test instances.

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This commit is contained in:
Antoine Pitrou 2013-03-20 20:16:47 +01:00
parent a612176c9c
commit c9b3ef2df0
10 changed files with 540 additions and 106 deletions
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58
Lib/unittest/test/test_result.py
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@ -234,6 +234,37 @@ class Test_TestResult(unittest.TestCase):
'testGetDescriptionWithoutDocstring (' + __name__ +
'.Test_TestResult)')
def testGetSubTestDescriptionWithoutDocstring(self):
with self.subTest(foo=1, bar=2):
result = unittest.TextTestResult(None, True, 1)
self.assertEqual(
result.getDescription(self._subtest),
'testGetSubTestDescriptionWithoutDocstring (' + __name__ +
'.Test_TestResult) (bar=2, foo=1)')
with self.subTest('some message'):
result = unittest.TextTestResult(None, True, 1)
self.assertEqual(
result.getDescription(self._subtest),
'testGetSubTestDescriptionWithoutDocstring (' + __name__ +
'.Test_TestResult) [some message]')
def testGetSubTestDescriptionWithoutDocstringAndParams(self):
with self.subTest():
result = unittest.TextTestResult(None, True, 1)
self.assertEqual(
result.getDescription(self._subtest),
'testGetSubTestDescriptionWithoutDocstringAndParams '
'(' + __name__ + '.Test_TestResult) (<subtest>)')
def testGetNestedSubTestDescriptionWithoutDocstring(self):
with self.subTest(foo=1):
with self.subTest(bar=2):
result = unittest.TextTestResult(None, True, 1)
self.assertEqual(
result.getDescription(self._subtest),
'testGetNestedSubTestDescriptionWithoutDocstring '
'(' + __name__ + '.Test_TestResult) (bar=2, foo=1)')
@unittest.skipIf(sys.flags.optimize >= 2,
"Docstrings are omitted with -O2 and above")
def testGetDescriptionWithOneLineDocstring(self):
@ -245,6 +276,18 @@ class Test_TestResult(unittest.TestCase):
'(' + __name__ + '.Test_TestResult)\n'
'Tests getDescription() for a method with a docstring.'))
@unittest.skipIf(sys.flags.optimize >= 2,
"Docstrings are omitted with -O2 and above")
def testGetSubTestDescriptionWithOneLineDocstring(self):
"""Tests getDescription() for a method with a docstring."""
result = unittest.TextTestResult(None, True, 1)
with self.subTest(foo=1, bar=2):
self.assertEqual(
result.getDescription(self._subtest),
('testGetSubTestDescriptionWithOneLineDocstring '
'(' + __name__ + '.Test_TestResult) (bar=2, foo=1)\n'
'Tests getDescription() for a method with a docstring.'))
@unittest.skipIf(sys.flags.optimize >= 2,
"Docstrings are omitted with -O2 and above")
def testGetDescriptionWithMultiLineDocstring(self):
@ -259,6 +302,21 @@ class Test_TestResult(unittest.TestCase):
'Tests getDescription() for a method with a longer '
'docstring.'))
@unittest.skipIf(sys.flags.optimize >= 2,
"Docstrings are omitted with -O2 and above")
def testGetSubTestDescriptionWithMultiLineDocstring(self):
"""Tests getDescription() for a method with a longer docstring.
The second line of the docstring.
"""
result = unittest.TextTestResult(None, True, 1)
with self.subTest(foo=1, bar=2):
self.assertEqual(
result.getDescription(self._subtest),
('testGetSubTestDescriptionWithMultiLineDocstring '
'(' + __name__ + '.Test_TestResult) (bar=2, foo=1)\n'
'Tests getDescription() for a method with a longer '
'docstring.'))
def testStackFrameTrimming(self):
class Frame(object):
class tb_frame(object):