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[Jython-checkins] SF.net SVN: jython:[7222] trunk/jython/Lib/test/test_unittest.py
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From: <fwi...@us...> - 2011-03-13 03:54:28
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Revision: 7222
http://jython.svn.sourceforge.net/jython/?rev=7222&view=rev
Author: fwierzbicki
Date: 2011-03-13 03:54:20 +0000 (Sun, 13 Mar 2011)
Log Message:
-----------
from:
http://svn.python.org/projects/python/branches/release26-maint/Lib/test/test_unittest@88766
Added Paths:
-----------
trunk/jython/Lib/test/test_unittest.py
Added: trunk/jython/Lib/test/test_unittest.py
===================================================================
--- trunk/jython/Lib/test/test_unittest.py (rev 0)
+++ trunk/jython/Lib/test/test_unittest.py 2011-03-13 03:54:20 UTC (rev 7222)
@@ -0,0 +1,2300 @@
+"""Test script for unittest.
+
+By Collin Winter <collinw at gmail.com>
+
+Still need testing:
+ TestCase.{assert,fail}* methods (some are tested implicitly)
+"""
+
+import sys
+from test import test_support
+import unittest
+from unittest import TestCase
+import types
+
+### Support code
+################################################################
+
+class LoggingResult(unittest.TestResult):
+ def __init__(self, log):
+ self._events = log
+ super(LoggingResult, self).__init__()
+
+ def startTest(self, test):
+ self._events.append('startTest')
+ super(LoggingResult, self).startTest(test)
+
+ def stopTest(self, test):
+ self._events.append('stopTest')
+ super(LoggingResult, self).stopTest(test)
+
+ def addFailure(self, *args):
+ self._events.append('addFailure')
+ super(LoggingResult, self).addFailure(*args)
+
+ def addError(self, *args):
+ self._events.append('addError')
+ super(LoggingResult, self).addError(*args)
+
+class TestEquality(object):
+ # Check for a valid __eq__ implementation
+ def test_eq(self):
+ for obj_1, obj_2 in self.eq_pairs:
+ self.assertEqual(obj_1, obj_2)
+ self.assertEqual(obj_2, obj_1)
+
+ # Check for a valid __ne__ implementation
+ def test_ne(self):
+ for obj_1, obj_2 in self.ne_pairs:
+ self.failIfEqual(obj_1, obj_2)
+ self.failIfEqual(obj_2, obj_1)
+
+class TestHashing(object):
+ # Check for a valid __hash__ implementation
+ def test_hash(self):
+ for obj_1, obj_2 in self.eq_pairs:
+ try:
+ assert hash(obj_1) == hash(obj_2)
+ except KeyboardInterrupt:
+ raise
+ except AssertionError:
+ self.fail("%s and %s do not hash equal" % (obj_1, obj_2))
+ except Exception, e:
+ self.fail("Problem hashing %s and %s: %s" % (obj_1, obj_2, e))
+
+ for obj_1, obj_2 in self.ne_pairs:
+ try:
+ assert hash(obj_1) != hash(obj_2)
+ except KeyboardInterrupt:
+ raise
+ except AssertionError:
+ self.fail("%s and %s hash equal, but shouldn't" % (obj_1, obj_2))
+ except Exception, e:
+ self.fail("Problem hashing %s and %s: %s" % (obj_1, obj_2, e))
+
+
+################################################################
+### /Support code
+
+class Test_TestLoader(TestCase):
+
+ ### Tests for TestLoader.loadTestsFromTestCase
+ ################################################################
+
+ # "Return a suite of all tests cases contained in the TestCase-derived
+ # class testCaseClass"
+ def test_loadTestsFromTestCase(self):
+ class Foo(unittest.TestCase):
+ def test_1(self): pass
+ def test_2(self): pass
+ def foo_bar(self): pass
+
+ tests = unittest.TestSuite([Foo('test_1'), Foo('test_2')])
+
+ loader = unittest.TestLoader()
+ self.assertEqual(loader.loadTestsFromTestCase(Foo), tests)
+
+ # "Return a suite of all tests cases contained in the TestCase-derived
+ # class testCaseClass"
+ #
+ # Make sure it does the right thing even if no tests were found
+ def test_loadTestsFromTestCase__no_matches(self):
+ class Foo(unittest.TestCase):
+ def foo_bar(self): pass
+
+ empty_suite = unittest.TestSuite()
+
+ loader = unittest.TestLoader()
+ self.assertEqual(loader.loadTestsFromTestCase(Foo), empty_suite)
+
+ # "Return a suite of all tests cases contained in the TestCase-derived
+ # class testCaseClass"
+ #
+ # What happens if loadTestsFromTestCase() is given an object
+ # that isn't a subclass of TestCase? Specifically, what happens
+ # if testCaseClass is a subclass of TestSuite?
+ #
+ # This is checked for specifically in the code, so we better add a
+ # test for it.
+ def test_loadTestsFromTestCase__TestSuite_subclass(self):
+ class NotATestCase(unittest.TestSuite):
+ pass
+
+ loader = unittest.TestLoader()
+ try:
+ loader.loadTestsFromTestCase(NotATestCase)
+ except TypeError:
+ pass
+ else:
+ self.fail('Should raise TypeError')
+
+ # "Return a suite of all tests cases contained in the TestCase-derived
+ # class testCaseClass"
+ #
+ # Make sure loadTestsFromTestCase() picks up the default test method
+ # name (as specified by TestCase), even though the method name does
+ # not match the default TestLoader.testMethodPrefix string
+ def test_loadTestsFromTestCase__default_method_name(self):
+ class Foo(unittest.TestCase):
+ def runTest(self):
+ pass
+
+ loader = unittest.TestLoader()
+ # This has to be false for the test to succeed
+ self.failIf('runTest'.startswith(loader.testMethodPrefix))
+
+ suite = loader.loadTestsFromTestCase(Foo)
+ self.failUnless(isinstance(suite, loader.suiteClass))
+ self.assertEqual(list(suite), [Foo('runTest')])
+
+ ################################################################
+ ### /Tests for TestLoader.loadTestsFromTestCase
+
+ ### Tests for TestLoader.loadTestsFromModule
+ ################################################################
+
+ # "This method searches `module` for classes derived from TestCase"
+ def test_loadTestsFromModule__TestCase_subclass(self):
+ m = types.ModuleType('m')
+ class MyTestCase(unittest.TestCase):
+ def test(self):
+ pass
+ m.testcase_1 = MyTestCase
+
+ loader = unittest.TestLoader()
+ suite = loader.loadTestsFromModule(m)
+ self.failUnless(isinstance(suite, loader.suiteClass))
+
+ expected = [loader.suiteClass([MyTestCase('test')])]
+ self.assertEqual(list(suite), expected)
+
+ # "This method searches `module` for classes derived from TestCase"
+ #
+ # What happens if no tests are found (no TestCase instances)?
+ def test_loadTestsFromModule__no_TestCase_instances(self):
+ m = types.ModuleType('m')
+
+ loader = unittest.TestLoader()
+ suite = loader.loadTestsFromModule(m)
+ self.failUnless(isinstance(suite, loader.suiteClass))
+ self.assertEqual(list(suite), [])
+
+ # "This method searches `module` for classes derived from TestCase"
+ #
+ # What happens if no tests are found (TestCases instances, but no tests)?
+ def test_loadTestsFromModule__no_TestCase_tests(self):
+ m = types.ModuleType('m')
+ class MyTestCase(unittest.TestCase):
+ pass
+ m.testcase_1 = MyTestCase
+
+ loader = unittest.TestLoader()
+ suite = loader.loadTestsFromModule(m)
+ self.failUnless(isinstance(suite, loader.suiteClass))
+
+ self.assertEqual(list(suite), [loader.suiteClass()])
+
+ # "This method searches `module` for classes derived from TestCase"s
+ #
+ # What happens if loadTestsFromModule() is given something other
+ # than a module?
+ #
+ # XXX Currently, it succeeds anyway. This flexibility
+ # should either be documented or loadTestsFromModule() should
+ # raise a TypeError
+ #
+ # XXX Certain people are using this behaviour. We'll add a test for it
+ def test_loadTestsFromModule__not_a_module(self):
+ class MyTestCase(unittest.TestCase):
+ def test(self):
+ pass
+
+ class NotAModule(object):
+ test_2 = MyTestCase
+
+ loader = unittest.TestLoader()
+ suite = loader.loadTestsFromModule(NotAModule)
+
+ reference = [unittest.TestSuite([MyTestCase('test')])]
+ self.assertEqual(list(suite), reference)
+
+ ################################################################
+ ### /Tests for TestLoader.loadTestsFromModule()
+
+ ### Tests for TestLoader.loadTestsFromName()
+ ################################################################
+
+ # "The specifier name is a ``dotted name'' that may resolve either to
+ # a module, a test case class, a TestSuite instance, a test method
+ # within a test case class, or a callable object which returns a
+ # TestCase or TestSuite instance."
+ #
+ # Is ValueError raised in response to an empty name?
+ def test_loadTestsFromName__empty_name(self):
+ loader = unittest.TestLoader()
+
+ try:
+ loader.loadTestsFromName('')
+ except ValueError, e:
+ self.assertEqual(str(e), "Empty module name")
+ else:
+ self.fail("TestLoader.loadTestsFromName failed to raise ValueError")
+
+ # "The specifier name is a ``dotted name'' that may resolve either to
+ # a module, a test case class, a TestSuite instance, a test method
+ # within a test case class, or a callable object which returns a
+ # TestCase or TestSuite instance."
+ #
+ # What happens when the name contains invalid characters?
+ def test_loadTestsFromName__malformed_name(self):
+ loader = unittest.TestLoader()
+
+ # XXX Should this raise ValueError or ImportError?
+ try:
+ loader.loadTestsFromName('abc () //')
+ except ValueError:
+ pass
+ except ImportError:
+ pass
+ else:
+ self.fail("TestLoader.loadTestsFromName failed to raise ValueError")
+
+ # "The specifier name is a ``dotted name'' that may resolve ... to a
+ # module"
+ #
+ # What happens when a module by that name can't be found?
+ def test_loadTestsFromName__unknown_module_name(self):
+ loader = unittest.TestLoader()
+
+ try:
+ loader.loadTestsFromName('sdasfasfasdf')
+ except ImportError, e:
+ self.assertEqual(str(e), "No module named sdasfasfasdf")
+ else:
+ self.fail("TestLoader.loadTestsFromName failed to raise ImportError")
+
+ # "The specifier name is a ``dotted name'' that may resolve either to
+ # a module, a test case class, a TestSuite instance, a test method
+ # within a test case class, or a callable object which returns a
+ # TestCase or TestSuite instance."
+ #
+ # What happens when the module is found, but the attribute can't?
+ def test_loadTestsFromName__unknown_attr_name(self):
+ loader = unittest.TestLoader()
+
+ try:
+ loader.loadTestsFromName('unittest.sdasfasfasdf')
+ except AttributeError, e:
+ self.assertEqual(str(e), "'module' object has no attribute 'sdasfasfasdf'")
+ else:
+ self.fail("TestLoader.loadTestsFromName failed to raise AttributeError")
+
+ # "The specifier name is a ``dotted name'' that may resolve either to
+ # a module, a test case class, a TestSuite instance, a test method
+ # within a test case class, or a callable object which returns a
+ # TestCase or TestSuite instance."
+ #
+ # What happens when we provide the module, but the attribute can't be
+ # found?
+ def test_loadTestsFromName__relative_unknown_name(self):
+ loader = unittest.TestLoader()
+
+ try:
+ loader.loadTestsFromName('sdasfasfasdf', unittest)
+ except AttributeError, e:
+ self.assertEqual(str(e), "'module' object has no attribute 'sdasfasfasdf'")
+ else:
+ self.fail("TestLoader.loadTestsFromName failed to raise AttributeError")
+
+ # "The specifier name is a ``dotted name'' that may resolve either to
+ # a module, a test case class, a TestSuite instance, a test method
+ # within a test case class, or a callable object which returns a
+ # TestCase or TestSuite instance."
+ # ...
+ # "The method optionally resolves name relative to the given module"
+ #
+ # Does loadTestsFromName raise ValueError when passed an empty
+ # name relative to a provided module?
+ #
+ # XXX Should probably raise a ValueError instead of an AttributeError
+ def test_loadTestsFromName__relative_empty_name(self):
+ loader = unittest.TestLoader()
+
+ try:
+ loader.loadTestsFromName('', unittest)
+ except AttributeError, e:
+ pass
+ else:
+ self.fail("Failed to raise AttributeError")
+
+ # "The specifier name is a ``dotted name'' that may resolve either to
+ # a module, a test case class, a TestSuite instance, a test method
+ # within a test case class, or a callable object which returns a
+ # TestCase or TestSuite instance."
+ # ...
+ # "The method optionally resolves name relative to the given module"
+ #
+ # What happens when an impossible name is given, relative to the provided
+ # `module`?
+ def test_loadTestsFromName__relative_malformed_name(self):
+ loader = unittest.TestLoader()
+
+ # XXX Should this raise AttributeError or ValueError?
+ try:
+ loader.loadTestsFromName('abc () //', unittest)
+ except ValueError:
+ pass
+ except AttributeError:
+ pass
+ else:
+ self.fail("TestLoader.loadTestsFromName failed to raise ValueError")
+
+ # "The method optionally resolves name relative to the given module"
+ #
+ # Does loadTestsFromName raise TypeError when the `module` argument
+ # isn't a module object?
+ #
+ # XXX Accepts the not-a-module object, ignorning the object's type
+ # This should raise an exception or the method name should be changed
+ #
+ # XXX Some people are relying on this, so keep it for now
+ def test_loadTestsFromName__relative_not_a_module(self):
+ class MyTestCase(unittest.TestCase):
+ def test(self):
+ pass
+
+ class NotAModule(object):
+ test_2 = MyTestCase
+
+ loader = unittest.TestLoader()
+ suite = loader.loadTestsFromName('test_2', NotAModule)
+
+ reference = [MyTestCase('test')]
+ self.assertEqual(list(suite), reference)
+
+ # "The specifier name is a ``dotted name'' that may resolve either to
+ # a module, a test case class, a TestSuite instance, a test method
+ # within a test case class, or a callable object which returns a
+ # TestCase or TestSuite instance."
+ #
+ # Does it raise an exception if the name resolves to an invalid
+ # object?
+ def test_loadTestsFromName__relative_bad_object(self):
+ m = types.ModuleType('m')
+ m.testcase_1 = object()
+
+ loader = unittest.TestLoader()
+ try:
+ loader.loadTestsFromName('testcase_1', m)
+ except TypeError:
+ pass
+ else:
+ self.fail("Should have raised TypeError")
+
+ # "The specifier name is a ``dotted name'' that may
+ # resolve either to ... a test case class"
+ def test_loadTestsFromName__relative_TestCase_subclass(self):
+ m = types.ModuleType('m')
+ class MyTestCase(unittest.TestCase):
+ def test(self):
+ pass
+ m.testcase_1 = MyTestCase
+
+ loader = unittest.TestLoader()
+ suite = loader.loadTestsFromName('testcase_1', m)
+ self.failUnless(isinstance(suite, loader.suiteClass))
+ self.assertEqual(list(suite), [MyTestCase('test')])
+
+ # "The specifier name is a ``dotted name'' that may resolve either to
+ # a module, a test case class, a TestSuite instance, a test method
+ # within a test case class, or a callable object which returns a
+ # TestCase or TestSuite instance."
+ def test_loadTestsFromName__relative_TestSuite(self):
+ m = types.ModuleType('m')
+ class MyTestCase(unittest.TestCase):
+ def test(self):
+ pass
+ m.testsuite = unittest.TestSuite([MyTestCase('test')])
+
+ loader = unittest.TestLoader()
+ suite = loader.loadTestsFromName('testsuite', m)
+ self.failUnless(isinstance(suite, loader.suiteClass))
+
+ self.assertEqual(list(suite), [MyTestCase('test')])
+
+ # "The specifier name is a ``dotted name'' that may resolve ... to
+ # ... a test method within a test case class"
+ def test_loadTestsFromName__relative_testmethod(self):
+ m = types.ModuleType('m')
+ class MyTestCase(unittest.TestCase):
+ def test(self):
+ pass
+ m.testcase_1 = MyTestCase
+
+ loader = unittest.TestLoader()
+ suite = loader.loadTestsFromName('testcase_1.test', m)
+ self.failUnless(isinstance(suite, loader.suiteClass))
+
+ self.assertEqual(list(suite), [MyTestCase('test')])
+
+ # "The specifier name is a ``dotted name'' that may resolve either to
+ # a module, a test case class, a TestSuite instance, a test method
+ # within a test case class, or a callable object which returns a
+ # TestCase or TestSuite instance."
+ #
+ # Does loadTestsFromName() raise the proper exception when trying to
+ # resolve "a test method within a test case class" that doesn't exist
+ # for the given name (relative to a provided module)?
+ def test_loadTestsFromName__relative_invalid_testmethod(self):
+ m = types.ModuleType('m')
+ class MyTestCase(unittest.TestCase):
+ def test(self):
+ pass
+ m.testcase_1 = MyTestCase
+
+ loader = unittest.TestLoader()
+ try:
+ loader.loadTestsFromName('testcase_1.testfoo', m)
+ except AttributeError, e:
+ self.assertEqual(str(e), "type object 'MyTestCase' has no attribute 'testfoo'")
+ else:
+ self.fail("Failed to raise AttributeError")
+
+ # "The specifier name is a ``dotted name'' that may resolve ... to
+ # ... a callable object which returns a ... TestSuite instance"
+ def test_loadTestsFromName__callable__TestSuite(self):
+ m = types.ModuleType('m')
+ testcase_1 = unittest.FunctionTestCase(lambda: None)
+ testcase_2 = unittest.FunctionTestCase(lambda: None)
+ def return_TestSuite():
+ return unittest.TestSuite([testcase_1, testcase_2])
+ m.return_TestSuite = return_TestSuite
+
+ loader = unittest.TestLoader()
+ suite = loader.loadTestsFromName('return_TestSuite', m)
+ self.failUnless(isinstance(suite, loader.suiteClass))
+ self.assertEqual(list(suite), [testcase_1, testcase_2])
+
+ # "The specifier name is a ``dotted name'' that may resolve ... to
+ # ... a callable object which returns a TestCase ... instance"
+ def test_loadTestsFromName__callable__TestCase_instance(self):
+ m = types.ModuleType('m')
+ testcase_1 = unittest.FunctionTestCase(lambda: None)
+ def return_TestCase():
+ return testcase_1
+ m.return_TestCase = return_TestCase
+
+ loader = unittest.TestLoader()
+ suite = loader.loadTestsFromName('return_TestCase', m)
+ self.failUnless(isinstance(suite, loader.suiteClass))
+ self.assertEqual(list(suite), [testcase_1])
+
+ # "The specifier name is a ``dotted name'' that may resolve ... to
+ # ... a callable object which returns a TestCase or TestSuite instance"
+ #
+ # What happens if the callable returns something else?
+ def test_loadTestsFromName__callable__wrong_type(self):
+ m = types.ModuleType('m')
+ def return_wrong():
+ return 6
+ m.return_wrong = return_wrong
+
+ loader = unittest.TestLoader()
+ try:
+ suite = loader.loadTestsFromName('return_wrong', m)
+ except TypeError:
+ pass
+ else:
+ self.fail("TestLoader.loadTestsFromName failed to raise TypeError")
+
+ # "The specifier can refer to modules and packages which have not been
+ # imported; they will be imported as a side-effect"
+ def test_loadTestsFromName__module_not_loaded(self):
+ # We're going to try to load this module as a side-effect, so it
+ # better not be loaded before we try.
+ #
+ # Why pick audioop? Google shows it isn't used very often, so there's
+ # a good chance that it won't be imported when this test is run
+ module_name = 'audioop'
+
+ import sys
+ if module_name in sys.modules:
+ del sys.modules[module_name]
+
+ loader = unittest.TestLoader()
+ try:
+ suite = loader.loadTestsFromName(module_name)
+
+ self.failUnless(isinstance(suite, loader.suiteClass))
+ self.assertEqual(list(suite), [])
+
+ # audioop should now be loaded, thanks to loadTestsFromName()
+ self.failUnless(module_name in sys.modules)
+ finally:
+ if module_name in sys.modules:
+ del sys.modules[module_name]
+
+ ################################################################
+ ### Tests for TestLoader.loadTestsFromName()
+
+ ### Tests for TestLoader.loadTestsFromNames()
+ ################################################################
+
+ # "Similar to loadTestsFromName(), but takes a sequence of names rather
+ # than a single name."
+ #
+ # What happens if that sequence of names is empty?
+ def test_loadTestsFromNames__empty_name_list(self):
+ loader = unittest.TestLoader()
+
+ suite = loader.loadTestsFromNames([])
+ self.failUnless(isinstance(suite, loader.suiteClass))
+ self.assertEqual(list(suite), [])
+
+ # "Similar to loadTestsFromName(), but takes a sequence of names rather
+ # than a single name."
+ # ...
+ # "The method optionally resolves name relative to the given module"
+ #
+ # What happens if that sequence of names is empty?
+ #
+ # XXX Should this raise a ValueError or just return an empty TestSuite?
+ def test_loadTestsFromNames__relative_empty_name_list(self):
+ loader = unittest.TestLoader()
+
+ suite = loader.loadTestsFromNames([], unittest)
+ self.failUnless(isinstance(suite, loader.suiteClass))
+ self.assertEqual(list(suite), [])
+
+ # "The specifier name is a ``dotted name'' that may resolve either to
+ # a module, a test case class, a TestSuite instance, a test method
+ # within a test case class, or a callable object which returns a
+ # TestCase or TestSuite instance."
+ #
+ # Is ValueError raised in response to an empty name?
+ def test_loadTestsFromNames__empty_name(self):
+ loader = unittest.TestLoader()
+
+ try:
+ loader.loadTestsFromNames([''])
+ except ValueError, e:
+ self.assertEqual(str(e), "Empty module name")
+ else:
+ self.fail("TestLoader.loadTestsFromNames failed to raise ValueError")
+
+ # "The specifier name is a ``dotted name'' that may resolve either to
+ # a module, a test case class, a TestSuite instance, a test method
+ # within a test case class, or a callable object which returns a
+ # TestCase or TestSuite instance."
+ #
+ # What happens when presented with an impossible module name?
+ def test_loadTestsFromNames__malformed_name(self):
+ loader = unittest.TestLoader()
+
+ # XXX Should this raise ValueError or ImportError?
+ try:
+ loader.loadTestsFromNames(['abc () //'])
+ except ValueError:
+ pass
+ except ImportError:
+ pass
+ else:
+ self.fail("TestLoader.loadTestsFromNames failed to raise ValueError")
+
+ # "The specifier name is a ``dotted name'' that may resolve either to
+ # a module, a test case class, a TestSuite instance, a test method
+ # within a test case class, or a callable object which returns a
+ # TestCase or TestSuite instance."
+ #
+ # What happens when no module can be found for the given name?
+ def test_loadTestsFromNames__unknown_module_name(self):
+ loader = unittest.TestLoader()
+
+ try:
+ loader.loadTestsFromNames(['sdasfasfasdf'])
+ except ImportError, e:
+ self.assertEqual(str(e), "No module named sdasfasfasdf")
+ else:
+ self.fail("TestLoader.loadTestsFromNames failed to raise ImportError")
+
+ # "The specifier name is a ``dotted name'' that may resolve either to
+ # a module, a test case class, a TestSuite instance, a test method
+ # within a test case class, or a callable object which returns a
+ # TestCase or TestSuite instance."
+ #
+ # What happens when the module can be found, but not the attribute?
+ def test_loadTestsFromNames__unknown_attr_name(self):
+ loader = unittest.TestLoader()
+
+ try:
+ loader.loadTestsFromNames(['unittest.sdasfasfasdf', 'unittest'])
+ except AttributeError, e:
+ self.assertEqual(str(e), "'module' object has no attribute 'sdasfasfasdf'")
+ else:
+ self.fail("TestLoader.loadTestsFromNames failed to raise AttributeError")
+
+ # "The specifier name is a ``dotted name'' that may resolve either to
+ # a module, a test case class, a TestSuite instance, a test method
+ # within a test case class, or a callable object which returns a
+ # TestCase or TestSuite instance."
+ # ...
+ # "The method optionally resolves name relative to the given module"
+ #
+ # What happens when given an unknown attribute on a specified `module`
+ # argument?
+ def test_loadTestsFromNames__unknown_name_relative_1(self):
+ loader = unittest.TestLoader()
+
+ try:
+ loader.loadTestsFromNames(['sdasfasfasdf'], unittest)
+ except AttributeError, e:
+ self.assertEqual(str(e), "'module' object has no attribute 'sdasfasfasdf'")
+ else:
+ self.fail("TestLoader.loadTestsFromName failed to raise AttributeError")
+
+ # "The specifier name is a ``dotted name'' that may resolve either to
+ # a module, a test case class, a TestSuite instance, a test method
+ # within a test case class, or a callable object which returns a
+ # TestCase or TestSuite instance."
+ # ...
+ # "The method optionally resolves name relative to the given module"
+ #
+ # Do unknown attributes (relative to a provided module) still raise an
+ # exception even in the presence of valid attribute names?
+ def test_loadTestsFromNames__unknown_name_relative_2(self):
+ loader = unittest.TestLoader()
+
+ try:
+ loader.loadTestsFromNames(['TestCase', 'sdasfasfasdf'], unittest)
+ except AttributeError, e:
+ self.assertEqual(str(e), "'module' object has no attribute 'sdasfasfasdf'")
+ else:
+ self.fail("TestLoader.loadTestsFromName failed to raise AttributeError")
+
+ # "The specifier name is a ``dotted name'' that may resolve either to
+ # a module, a test case class, a TestSuite instance, a test method
+ # within a test case class, or a callable object which returns a
+ # TestCase or TestSuite instance."
+ # ...
+ # "The method optionally resolves name relative to the given module"
+ #
+ # What happens when faced with the empty string?
+ #
+ # XXX This currently raises AttributeError, though ValueError is probably
+ # more appropriate
+ def test_loadTestsFromNames__relative_empty_name(self):
+ loader = unittest.TestLoader()
+
+ try:
+ loader.loadTestsFromNames([''], unittest)
+ except AttributeError:
+ pass
+ else:
+ self.fail("Failed to raise ValueError")
+
+ # "The specifier name is a ``dotted name'' that may resolve either to
+ # a module, a test case class, a TestSuite instance, a test method
+ # within a test case class, or a callable object which returns a
+ # TestCase or TestSuite instance."
+ # ...
+ # "The method optionally resolves name relative to the given module"
+ #
+ # What happens when presented with an impossible attribute name?
+ def test_loadTestsFromNames__relative_malformed_name(self):
+ loader = unittest.TestLoader()
+
+ # XXX Should this raise AttributeError or ValueError?
+ try:
+ loader.loadTestsFromNames(['abc () //'], unittest)
+ except AttributeError:
+ pass
+ except ValueError:
+ pass
+ else:
+ self.fail("TestLoader.loadTestsFromNames failed to raise ValueError")
+
+ # "The method optionally resolves name relative to the given module"
+ #
+ # Does loadTestsFromNames() make sure the provided `module` is in fact
+ # a module?
+ #
+ # XXX This validation is currently not done. This flexibility should
+ # either be documented or a TypeError should be raised.
+ def test_loadTestsFromNames__relative_not_a_module(self):
+ class MyTestCase(unittest.TestCase):
+ def test(self):
+ pass
+
+ class NotAModule(object):
+ test_2 = MyTestCase
+
+ loader = unittest.TestLoader()
+ suite = loader.loadTestsFromNames(['test_2'], NotAModule)
+
+ reference = [unittest.TestSuite([MyTestCase('test')])]
+ self.assertEqual(list(suite), reference)
+
+ # "The specifier name is a ``dotted name'' that may resolve either to
+ # a module, a test case class, a TestSuite instance, a test method
+ # within a test case class, or a callable object which returns a
+ # TestCase or TestSuite instance."
+ #
+ # Does it raise an exception if the name resolves to an invalid
+ # object?
+ def test_loadTestsFromNames__relative_bad_object(self):
+ m = types.ModuleType('m')
+ m.testcase_1 = object()
+
+ loader = unittest.TestLoader()
+ try:
+ loader.loadTestsFromNames(['testcase_1'], m)
+ except TypeError:
+ pass
+ else:
+ self.fail("Should have raised TypeError")
+
+ # "The specifier name is a ``dotted name'' that may resolve ... to
+ # ... a test case class"
+ def test_loadTestsFromNames__relative_TestCase_subclass(self):
+ m = types.ModuleType('m')
+ class MyTestCase(unittest.TestCase):
+ def test(self):
+ pass
+ m.testcase_1 = MyTestCase
+
+ loader = unittest.TestLoader()
+ suite = loader.loadTestsFromNames(['testcase_1'], m)
+ self.failUnless(isinstance(suite, loader.suiteClass))
+
+ expected = loader.suiteClass([MyTestCase('test')])
+ self.assertEqual(list(suite), [expected])
+
+ # "The specifier name is a ``dotted name'' that may resolve ... to
+ # ... a TestSuite instance"
+ def test_loadTestsFromNames__relative_TestSuite(self):
+ m = types.ModuleType('m')
+ class MyTestCase(unittest.TestCase):
+ def test(self):
+ pass
+ m.testsuite = unittest.TestSuite([MyTestCase('test')])
+
+ loader = unittest.TestLoader()
+ suite = loader.loadTestsFromNames(['testsuite'], m)
+ self.failUnless(isinstance(suite, loader.suiteClass))
+
+ self.assertEqual(list(suite), [m.testsuite])
+
+ # "The specifier name is a ``dotted name'' that may resolve ... to ... a
+ # test method within a test case class"
+ def test_loadTestsFromNames__relative_testmethod(self):
+ m = types.ModuleType('m')
+ class MyTestCase(unittest.TestCase):
+ def test(self):
+ pass
+ m.testcase_1 = MyTestCase
+
+ loader = unittest.TestLoader()
+ suite = loader.loadTestsFromNames(['testcase_1.test'], m)
+ self.failUnless(isinstance(suite, loader.suiteClass))
+
+ ref_suite = unittest.TestSuite([MyTestCase('test')])
+ self.assertEqual(list(suite), [ref_suite])
+
+ # "The specifier name is a ``dotted name'' that may resolve ... to ... a
+ # test method within a test case class"
+ #
+ # Does the method gracefully handle names that initially look like they
+ # resolve to "a test method within a test case class" but don't?
+ def test_loadTestsFromNames__relative_invalid_testmethod(self):
+ m = types.ModuleType('m')
+ class MyTestCase(unittest.TestCase):
+ def test(self):
+ pass
+ m.testcase_1 = MyTestCase
+
+ loader = unittest.TestLoader()
+ try:
+ loader.loadTestsFromNames(['testcase_1.testfoo'], m)
+ except AttributeError, e:
+ self.assertEqual(str(e), "type object 'MyTestCase' has no attribute 'testfoo'")
+ else:
+ self.fail("Failed to raise AttributeError")
+
+ # "The specifier name is a ``dotted name'' that may resolve ... to
+ # ... a callable object which returns a ... TestSuite instance"
+ def test_loadTestsFromNames__callable__TestSuite(self):
+ m = types.ModuleType('m')
+ testcase_1 = unittest.FunctionTestCase(lambda: None)
+ testcase_2 = unittest.FunctionTestCase(lambda: None)
+ def return_TestSuite():
+ return unittest.TestSuite([testcase_1, testcase_2])
+ m.return_TestSuite = return_TestSuite
+
+ loader = unittest.TestLoader()
+ suite = loader.loadTestsFromNames(['return_TestSuite'], m)
+ self.failUnless(isinstance(suite, loader.suiteClass))
+
+ expected = unittest.TestSuite([testcase_1, testcase_2])
+ self.assertEqual(list(suite), [expected])
+
+ # "The specifier name is a ``dotted name'' that may resolve ... to
+ # ... a callable object which returns a TestCase ... instance"
+ def test_loadTestsFromNames__callable__TestCase_instance(self):
+ m = types.ModuleType('m')
+ testcase_1 = unittest.FunctionTestCase(lambda: None)
+ def return_TestCase():
+ return testcase_1
+ m.return_TestCase = return_TestCase
+
+ loader = unittest.TestLoader()
+ suite = loader.loadTestsFromNames(['return_TestCase'], m)
+ self.failUnless(isinstance(suite, loader.suiteClass))
+
+ ref_suite = unittest.TestSuite([testcase_1])
+ self.assertEqual(list(suite), [ref_suite])
+
+ # "The specifier name is a ``dotted name'' that may resolve ... to
+ # ... a callable object which returns a TestCase or TestSuite instance"
+ #
+ # Are staticmethods handled correctly?
+ def test_loadTestsFromNames__callable__call_staticmethod(self):
+ m = types.ModuleType('m')
+ class Test1(unittest.TestCase):
+ def test(self):
+ pass
+
+ testcase_1 = Test1('test')
+ class Foo(unittest.TestCase):
+ @staticmethod
+ def foo():
+ return testcase_1
+ m.Foo = Foo
+
+ loader = unittest.TestLoader()
+ suite = loader.loadTestsFromNames(['Foo.foo'], m)
+ self.failUnless(isinstance(suite, loader.suiteClass))
+
+ ref_suite = unittest.TestSuite([testcase_1])
+ self.assertEqual(list(suite), [ref_suite])
+
+ # "The specifier name is a ``dotted name'' that may resolve ... to
+ # ... a callable object which returns a TestCase or TestSuite instance"
+ #
+ # What happens when the callable returns something else?
+ def test_loadTestsFromNames__callable__wrong_type(self):
+ m = types.ModuleType('m')
+ def return_wrong():
+ return 6
+ m.return_wrong = return_wrong
+
+ loader = unittest.TestLoader()
+ try:
+ suite = loader.loadTestsFromNames(['return_wrong'], m)
+ except TypeError:
+ pass
+ else:
+ self.fail("TestLoader.loadTestsFromNames failed to raise TypeError")
+
+ # "The specifier can refer to modules and packages which have not been
+ # imported; they will be imported as a side-effect"
+ def test_loadTestsFromNames__module_not_loaded(self):
+ # We're going to try to load this module as a side-effect, so it
+ # better not be loaded before we try.
+ #
+ # Why pick audioop? Google shows it isn't used very often, so there's
+ # a good chance that it won't be imported when this test is run
+ module_name = 'audioop'
+
+ import sys
+ if module_name in sys.modules:
+ del sys.modules[module_name]
+
+ loader = unittest.TestLoader()
+ try:
+ suite = loader.loadTestsFromNames([module_name])
+
+ self.failUnless(isinstance(suite, loader.suiteClass))
+ self.assertEqual(list(suite), [unittest.TestSuite()])
+
+ # audioop should now be loaded, thanks to loadTestsFromName()
+ self.failUnless(module_name in sys.modules)
+ finally:
+ if module_name in sys.modules:
+ del sys.modules[module_name]
+
+ ################################################################
+ ### /Tests for TestLoader.loadTestsFromNames()
+
+ ### Tests for TestLoader.getTestCaseNames()
+ ################################################################
+
+ # "Return a sorted sequence of method names found within testCaseClass"
+ #
+ # Test.foobar is defined to make sure getTestCaseNames() respects
+ # loader.testMethodPrefix
+ def test_getTestCaseNames(self):
+ class Test(unittest.TestCase):
+ def test_1(self): pass
+ def test_2(self): pass
+ def foobar(self): pass
+
+ loader = unittest.TestLoader()
+
+ self.assertEqual(loader.getTestCaseNames(Test), ['test_1', 'test_2'])
+
+ # "Return a sorted sequence of method names found within testCaseClass"
+ #
+ # Does getTestCaseNames() behave appropriately if no tests are found?
+ def test_getTestCaseNames__no_tests(self):
+ class Test(unittest.TestCase):
+ def foobar(self): pass
+
+ loader = unittest.TestLoader()
+
+ self.assertEqual(loader.getTestCaseNames(Test), [])
+
+ # "Return a sorted sequence of method names found within testCaseClass"
+ #
+ # Are not-TestCases handled gracefully?
+ #
+ # XXX This should raise a TypeError, not return a list
+ #
+ # XXX It's too late in the 2.5 release cycle to fix this, but it should
+ # probably be revisited for 2.6
+ def test_getTestCaseNames__not_a_TestCase(self):
+ class BadCase(int):
+ def test_foo(self):
+ pass
+
+ loader = unittest.TestLoader()
+ names = loader.getTestCaseNames(BadCase)
+
+ self.assertEqual(names, ['test_foo'])
+
+ # "Return a sorted sequence of method names found within testCaseClass"
+ #
+ # Make sure inherited names are handled.
+ #
+ # TestP.foobar is defined to make sure getTestCaseNames() respects
+ # loader.testMethodPrefix
+ def test_getTestCaseNames__inheritance(self):
+ class TestP(unittest.TestCase):
+ def test_1(self): pass
+ def test_2(self): pass
+ def foobar(self): pass
+
+ class TestC(TestP):
+ def test_1(self): pass
+ def test_3(self): pass
+
+ loader = unittest.TestLoader()
+
+ names = ['test_1', 'test_2', 'test_3']
+ self.assertEqual(loader.getTestCaseNames(TestC), names)
+
+ ################################################################
+ ### /Tests for TestLoader.getTestCaseNames()
+
+ ### Tests for TestLoader.testMethodPrefix
+ ################################################################
+
+ # "String giving the prefix of method names which will be interpreted as
+ # test methods"
+ #
+ # Implicit in the documentation is that testMethodPrefix is respected by
+ # all loadTestsFrom* methods.
+ def test_testMethodPrefix__loadTestsFromTestCase(self):
+ class Foo(unittest.TestCase):
+ def test_1(self): pass
+ def test_2(self): pass
+ def foo_bar(self): pass
+
+ tests_1 = unittest.TestSuite([Foo('foo_bar')])
+ tests_2 = unittest.TestSuite([Foo('test_1'), Foo('test_2')])
+
+ loader = unittest.TestLoader()
+ loader.testMethodPrefix = 'foo'
+ self.assertEqual(loader.loadTestsFromTestCase(Foo), tests_1)
+
+ loader.testMethodPrefix = 'test'
+ self.assertEqual(loader.loadTestsFromTestCase(Foo), tests_2)
+
+ # "String giving the prefix of method names which will be interpreted as
+ # test methods"
+ #
+ # Implicit in the documentation is that testMethodPrefix is respected by
+ # all loadTestsFrom* methods.
+ def test_testMethodPrefix__loadTestsFromModule(self):
+ m = types.ModuleType('m')
+ class Foo(unittest.TestCase):
+ def test_1(self): pass
+ def test_2(self): pass
+ def foo_bar(self): pass
+ m.Foo = Foo
+
+ tests_1 = [unittest.TestSuite([Foo('foo_bar')])]
+ tests_2 = [unittest.TestSuite([Foo('test_1'), Foo('test_2')])]
+
+ loader = unittest.TestLoader()
+ loader.testMethodPrefix = 'foo'
+ self.assertEqual(list(loader.loadTestsFromModule(m)), tests_1)
+
+ loader.testMethodPrefix = 'test'
+ self.assertEqual(list(loader.loadTestsFromModule(m)), tests_2)
+
+ # "String giving the prefix of method names which will be interpreted as
+ # test methods"
+ #
+ # Implicit in the documentation is that testMethodPrefix is respected by
+ # all loadTestsFrom* methods.
+ def test_testMethodPrefix__loadTestsFromName(self):
+ m = types.ModuleType('m')
+ class Foo(unittest.TestCase):
+ def test_1(self): pass
+ def test_2(self): pass
+ def foo_bar(self): pass
+ m.Foo = Foo
+
+ tests_1 = unittest.TestSuite([Foo('foo_bar')])
+ tests_2 = unittest.TestSuite([Foo('test_1'), Foo('test_2')])
+
+ loader = unittest.TestLoader()
+ loader.testMethodPrefix = 'foo'
+ self.assertEqual(loader.loadTestsFromName('Foo', m), tests_1)
+
+ loader.testMethodPrefix = 'test'
+ self.assertEqual(loader.loadTestsFromName('Foo', m), tests_2)
+
+ # "String giving the prefix of method names which will be interpreted as
+ # test methods"
+ #
+ # Implicit in the documentation is that testMethodPrefix is respected by
+ # all loadTestsFrom* methods.
+ def test_testMethodPrefix__loadTestsFromNames(self):
+ m = types.ModuleType('m')
+ class Foo(unittest.TestCase):
+ def test_1(self): pass
+ def test_2(self): pass
+ def foo_bar(self): pass
+ m.Foo = Foo
+
+ tests_1 = unittest.TestSuite([unittest.TestSuite([Foo('foo_bar')])])
+ tests_2 = unittest.TestSuite([Foo('test_1'), Foo('test_2')])
+ tests_2 = unittest.TestSuite([tests_2])
+
+ loader = unittest.TestLoader()
+ loader.testMethodPrefix = 'foo'
+ self.assertEqual(loader.loadTestsFromNames(['Foo'], m), tests_1)
+
+ loader.testMethodPrefix = 'test'
+ self.assertEqual(loader.loadTestsFromNames(['Foo'], m), tests_2)
+
+ # "The default value is 'test'"
+ def test_testMethodPrefix__default_value(self):
+ loader = unittest.TestLoader()
+ self.failUnless(loader.testMethodPrefix == 'test')
+
+ ################################################################
+ ### /Tests for TestLoader.testMethodPrefix
+
+ ### Tests for TestLoader.sortTestMethodsUsing
+ ################################################################
+
+ # "Function to be used to compare method names when sorting them in
+ # getTestCaseNames() and all the loadTestsFromX() methods"
+ def test_sortTestMethodsUsing__loadTestsFromTestCase(self):
+ def reversed_cmp(x, y):
+ return -cmp(x, y)
+
+ class Foo(unittest.TestCase):
+ def test_1(self): pass
+ def test_2(self): pass
+
+ loader = unittest.TestLoader()
+ loader.sortTestMethodsUsing = reversed_cmp
+
+ tests = loader.suiteClass([Foo('test_2'), Foo('test_1')])
+ self.assertEqual(loader.loadTestsFromTestCase(Foo), tests)
+
+ # "Function to be used to compare method names when sorting them in
+ # getTestCaseNames() and all the loadTestsFromX() methods"
+ def test_sortTestMethodsUsing__loadTestsFromModule(self):
+ def reversed_cmp(x, y):
+ return -cmp(x, y)
+
+ m = types.ModuleType('m')
+ class Foo(unittest.TestCase):
+ def test_1(self): pass
+ def test_2(self): pass
+ m.Foo = Foo
+
+ loader = unittest.TestLoader()
+ loader.sortTestMethodsUsing = reversed_cmp
+
+ tests = [loader.suiteClass([Foo('test_2'), Foo('test_1')])]
+ self.assertEqual(list(loader.loadTestsFromModule(m)), tests)
+
+ # "Function to be used to compare method names when sorting them in
+ # getTestCaseNames() and all the loadTestsFromX() methods"
+ def test_sortTestMethodsUsing__loadTestsFromName(self):
+ def reversed_cmp(x, y):
+ return -cmp(x, y)
+
+ m = types.ModuleType('m')
+ class Foo(unittest.TestCase):
+ def test_1(self): pass
+ def test_2(self): pass
+ m.Foo = Foo
+
+ loader = unittest.TestLoader()
+ loader.sortTestMethodsUsing = reversed_cmp
+
+ tests = loader.suiteClass([Foo('test_2'), Foo('test_1')])
+ self.assertEqual(loader.loadTestsFromName('Foo', m), tests)
+
+ # "Function to be used to compare method names when sorting them in
+ # getTestCaseNames() and all the loadTestsFromX() methods"
+ def test_sortTestMethodsUsing__loadTestsFromNames(self):
+ def reversed_cmp(x, y):
+ return -cmp(x, y)
+
+ m = types.ModuleType('m')
+ class Foo(unittest.TestCase):
+ def test_1(self): pass
+ def test_2(self): pass
+ m.Foo = Foo
+
+ loader = unittest.TestLoader()
+ loader.sortTestMethodsUsing = reversed_cmp
+
+ tests = [loader.suiteClass([Foo('test_2'), Foo('test_1')])]
+ self.assertEqual(list(loader.loadTestsFromNames(['Foo'], m)), tests)
+
+ # "Function to be used to compare method names when sorting them in
+ # getTestCaseNames()"
+ #
+ # Does it actually affect getTestCaseNames()?
+ def test_sortTestMethodsUsing__getTestCaseNames(self):
+ def reversed_cmp(x, y):
+ return -cmp(x, y)
+
+ class Foo(unittest.TestCase):
+ def test_1(self): pass
+ def test_2(self): pass
+
+ loader = unittest.TestLoader()
+ loader.sortTestMethodsUsing = reversed_cmp
+
+ test_names = ['test_2', 'test_1']
+ self.assertEqual(loader.getTestCaseNames(Foo), test_names)
+
+ # "The default value is the built-in cmp() function"
+ def test_sortTestMethodsUsing__default_value(self):
+ loader = unittest.TestLoader()
+ self.failUnless(loader.sortTestMethodsUsing is cmp)
+
+ # "it can be set to None to disable the sort."
+ #
+ # XXX How is this different from reassigning cmp? Are the tests returned
+ # in a random order or something? This behaviour should die
+ def test_sortTestMethodsUsing__None(self):
+ class Foo(unittest.TestCase):
+ def test_1(self): pass
+ def test_2(self): pass
+
+ loader = unittest.TestLoader()
+ loader.sortTestMethodsUsing = None
+
+ test_names = ['test_2', 'test_1']
+ self.assertEqual(set(loader.getTestCaseNames(Foo)), set(test_names))
+
+ ################################################################
+ ### /Tests for TestLoader.sortTestMethodsUsing
+
+ ### Tests for TestLoader.suiteClass
+ ################################################################
+
+ # "Callable object that constructs a test suite from a list of tests."
+ def test_suiteClass__loadTestsFromTestCase(self):
+ class Foo(unittest.TestCase):
+ def test_1(self): pass
+ def test_2(self): pass
+ def foo_bar(self): pass
+
+ tests = [Foo('test_1'), Foo('test_2')]
+
+ loader = unittest.TestLoader()
+ loader.suiteClass = list
+ self.assertEqual(loader.loadTestsFromTestCase(Foo), tests)
+
+ # It is implicit in the documentation for TestLoader.suiteClass that
+ # all TestLoader.loadTestsFrom* methods respect it. Let's make sure
+ def test_suiteClass__loadTestsFromModule(self):
+ m = types.ModuleType('m')
+ class Foo(unittest.TestCase):
+ def test_1(self): pass
+ def test_2(self): pass
+ def foo_bar(self): pass
+ m.Foo = Foo
+
+ tests = [[Foo('test_1'), Foo('test_2')]]
+
+ loader = unittest.TestLoader()
+ loader.suiteClass = list
+ self.assertEqual(loader.loadTestsFromModule(m), tests)
+
+ # It is implicit in the documentation for TestLoader.suiteClass that
+ # all TestLoader.loadTestsFrom* methods respect it. Let's make sure
+ def test_suiteClass__loadTestsFromName(self):
+ m = types.ModuleType('m')
+ class Foo(unittest.TestCase):
+ def test_1(self): pass
+ def test_2(self): pass
+ def foo_bar(self): pass
+ m.Foo = Foo
+
+ tests = [Foo('test_1'), Foo('test_2')]
+
+ loader = unittest.TestLoader()
+ loader.suiteClass = list
+ self.assertEqual(loader.loadTestsFromName('Foo', m), tests)
+
+ # It is implicit in the documentation for TestLoader.suiteClass that
+ # all TestLoader.loadTestsFrom* methods respect it. Let's make sure
+ def test_suiteClass__loadTestsFromNames(self):
+ m = types.ModuleType('m')
+ class Foo(unittest.TestCase):
+ def test_1(self): pass
+ def test_2(self): pass
+ def foo_bar(self): pass
+ m.Foo = Foo
+
+ tests = [[Foo('test_1'), Foo('test_2')]]
+
+ loader = unittest.TestLoader()
+ loader.suiteClass = list
+ self.assertEqual(loader.loadTestsFromNames(['Foo'], m), tests)
+
+ # "The default value is the TestSuite class"
+ def test_suiteClass__default_value(self):
+ loader = unittest.TestLoader()
+ self.failUnless(loader.suiteClass is unittest.TestSuite)
+
+ ################################################################
+ ### /Tests for TestLoader.suiteClass
+
+### Support code for Test_TestSuite
+################################################################
+
+class Foo(unittest.TestCase):
+ def test_1(self): pass
+ def test_2(self): pass
+ def test_3(self): pass
+ def runTest(self): pass
+
+def _mk_TestSuite(*names):
+ return unittest.TestSuite(Foo(n) for n in names)
+
+################################################################
+### /Support code for Test_TestSuite
+
+class Test_TestSuite(TestCase, TestEquality):
+
+ ### Set up attributes needed by inherited tests
+ ################################################################
+
+ # Used by TestEquality.test_eq
+ eq_pairs = [(unittest.TestSuite(), unittest.TestSuite())
+ ,(unittest.TestSuite(), unittest.TestSuite([]))
+ ,(_mk_TestSuite('test_1'), _mk_TestSuite('test_1'))]
+
+ # Used by TestEquality.test_ne
+ ne_pairs = [(unittest.TestSuite(), _mk_TestSuite('test_1'))
+ ,(unittest.TestSuite([]), _mk_TestSuite('test_1'))
+ ,(_mk_TestSuite('test_1', 'test_2'), _mk_TestSuite('test_1', 'test_3'))
+ ,(_mk_TestSuite('test_1'), _mk_TestSuite('test_2'))]
+
+ ################################################################
+ ### /Set up attributes needed by inherited tests
+
+ ### Tests for TestSuite.__init__
+ ################################################################
+
+ # "class TestSuite([tests])"
+ #
+ # The tests iterable should be optional
+ def test_init__tests_optional(self):
+ suite = unittest.TestSuite()
+
+ self.assertEqual(suite.countTestCases(), 0)
+
+ # "class TestSuite([tests])"
+ # ...
+ # "If tests is given, it must be an iterable of individual test cases
+ # or other test suites that will be used to build the suite initially"
+ #
+ # TestSuite should deal with empty tests iterables by allowing the
+ # creation of an empty suite
+ def test_init__empty_tests(self):
+ suite = unittest.TestSuite([])
+
+ self.assertEqual(suite.countTestCases(), 0)
+
+ # "class TestSuite([tests])"
+ # ...
+ # "If tests is given, it must be an iterable of individual test cases
+ # or other test suites that will be used to build the suite initially"
+ #
+ # TestSuite should allow any iterable to provide tests
+ def test_init__tests_from_any_iterable(self):
+ def tests():
+ yield unittest.FunctionTestCase(lambda: None)
+ yield unittest.FunctionTestCase(lambda: None)
+
+ suite_1 = unittest.TestSuite(tests())
+ self.assertEqual(suite_1.countTestCases(), 2)
+
+ suite_2 = unittest.TestSuite(suite_1)
+ self.assertEqual(suite_2.countTestCases(), 2)
+
+ suite_3 = unittest.TestSuite(set(suite_1))
+ self.assertEqual(suite_3.countTestCases(), 2)
+
+ # "class TestSuite([tests])"
+ # ...
+ # "If tests is given, it must be an iterable of individual test cases
+ # or other test suites that will be used to build the suite initially"
+ #
+ # Does TestSuite() also allow other TestSuite() instances to be present
+ # in the tests iterable?
+ def test_init__TestSuite_instances_in_tests(self):
+ def tests():
+ ftc = unittest.FunctionTestCase(lambda: None)
+ yield unittest.TestSuite([ftc])
+ yield unittest.FunctionTestCase(lambda: None)
+
+ suite = unittest.TestSuite(tests())
+ self.assertEqual(suite.countTestCases(), 2)
+
+ ################################################################
+ ### /Tests for TestSuite.__init__
+
+ # Container types should support the iter protocol
+ def test_iter(self):
+ test1 = unittest.FunctionTestCase(lambda: None)
+ test2 = unittest.FunctionTestCase(lambda: None)
+ suite = unittest.TestSuite((test1, test2))
+
+ self.assertEqual(list(suite), [test1, test2])
+
+ # "Return the number of tests represented by the this test object.
+ # ...this method is also implemented by the TestSuite class, which can
+ # return larger [greater than 1] values"
+ #
+ # Presumably an empty TestSuite returns 0?
+ def test_countTestCases_zero_simple(self):
+ suite = unittest.TestSuite()
+
+ self.assertEqual(suite.countTestCases(), 0)
+
+ # "Return the number of tests represented by the this test object.
+ # ...this method is also implemented by the TestSuite class, which can
+ # return larger [greater than 1] values"
+ #
+ # Presumably an empty TestSuite (even if it contains other empty
+ # TestSuite instances) returns 0?
+ def test_countTestCases_zero_nested(self):
+ class Test1(unittest.TestCase):
+ def test(self):
+ pass
+
+ suite = unittest.TestSuite([unittest.TestSuite()])
+
+ self.assertEqual(suite.countTestCases(), 0)
+
+ # "Return the number of tests represented by the this test object.
+ # ...this method is also implemented by the TestSuite class, which can
+ # return larger [greater than 1] values"
+ def test_countTestCases_simple(self):
+ test1 = unittest.FunctionTestCase(lambda: None)
+ test2 = unittest.FunctionTestCase(lambda: None)
+ suite = unittest.TestSuite((test1, test2))
+
+ self.assertEqual(suite.countTestCases(), 2)
+
+ # "Return the number of tests represented by the this test object.
+ # ...this method is also implemented by the TestSuite class, which can
+ # return larger [greater than 1] values"
+ #
+ # Make sure this holds for nested TestSuite instances, too
+ def test_countTestCases_nested(self):
+ class Test1(unittest.TestCase):
+ def test1(self): pass
+ def test2(self): pass
+
+ test2 = unittest.FunctionTestCase(lambda: None)
+ test3 = unittest.FunctionTestCase(lambda: None)
+ child = unittest.TestSuite((Test1('test2'), test2))
+ parent = unittest.TestSuite((test3, child, Test1('test1')))
+
+ self.assertEqual(parent.countTestCases(), 4)
+
+ # "Run the tests associated with this suite, collecting the result into
+ # the test result object passed as result."
+ #
+ # And if there are no tests? What then?
+ def test_run__empty_suite(self):
+ events = []
+ result = LoggingResult(events)
+
+ suite = unittest.TestSuite()
+
+ suite.run(result)
+
+ self.assertEqual(events, [])
+
+ # "Note that unlike TestCase.run(), TestSuite.run() requires the
+ # "result object to be passed in."
+ def test_run__requires_result(self):
+ suite = unittest.TestSuite()
+
+ try:
+ suite.run()
+ except TypeError:
+ pass
+ else:
+ self.fail("Failed to raise TypeError")
+
+ # "Run the tests associated with this suite, collecting the result into
+ # the test result object passed as result."
+ def test_run(self):
+ events = []
+ result = LoggingResult(events)
+
+ class LoggingCase(unittest.TestCase):
+ def run(self, result):
+ events.append('run %s' % self._testMethodName)
+
+ def test1(self): pass
+ def test2(self): pass
+
+ tests = [LoggingCase('test1'), LoggingCase('test2')]
+
+ unittest.TestSuite(tests).run(result)
+
+ self.assertEqual(events, ['run test1', 'run test2'])
+
+ # "Add a TestCase ... to the suite"
+ def test_addTest__TestCase(self):
+ class Foo(unittest.TestCase):
+ def test(self): pass
+
+ test = Foo('test')
+ suite = unittest.TestSuite()
+
+ suite.addTest(test)
+
+ self.assertEqual(suite.countTestCases(), 1)
+ self.assertEqual(list(suite), [test])
+
+ # "Add a ... TestSuite to the suite"
+ def test_addTest__TestSuite(self):
+ class Foo(unittest.TestCase):
+ def test(self): pass
+
+ suite_2 = unittest.TestSuite([Foo('test')])
+
+ suite = unittest.TestSuite()
+ suite.addTest(suite_2)
+
+ self.assertEqual(suite.countTestCases(), 1)
+ self.assertEqual(list(suite), [suite_2])
+
+ # "Add all the tests from an iterable of TestCase and TestSuite
+ # instances to this test suite."
+ #
+ # "This is equivalent to iterating over tests, calling addTest() for
+ # each element"
+ def test_addTests(self):
+ class Foo(unittest.TestCase):
+ def test_1(self): pass
+ def test_2(self): pass
+
+ test_1 = Foo('test_1')
+ test_2 = Foo('test_2')
+ inner_suite = unittest.TestSuite([test_2])
+
+ def gen():
+ yield test_1
+ yield test_2
+ yield inner_suite
+
+ suite_1 = unittest.TestSuite()
+ suite_1.addTests(gen())
+
+ self.assertEqual(list(suite_1), list(gen()))
+
+ # "This is equivalent to iterating over tests, calling addTest() for
+ # each element"
+ suite_2 = unittest.TestSuite()
+ for t in gen():
+ suite_2.addTest(t)
+
+ self.assertEqual(suite_1, suite_2)
+
+ # "Add all the tests from an iterable of TestCase and TestSuite
+ # instances to this test suite."
+ #
+ # What happens if it doesn't get an iterable?
+ def test_addTest__noniterable(self):
+ suite = unittest.TestSuite()
+
+ try:
+ suite.addTests(5)
+ except TypeError:
+ pass
+ else:
+ self.fail("Failed to raise TypeError")
+
+ def test_addTest__noncallable(self):
+ suite = unittest.TestSuite()
+ self.assertRaises(TypeError, suite.addTest, 5)
+
+ def test_addTest__casesuiteclass(self):
+ suite = unittest.TestSuite()
+ self.assertRaises(TypeError, suite.addTest, Test_TestSuite)
+ self.assertRaises(TypeError, suite....
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