split unittest.py into a package
diff --git a/Lib/unittest/__init__.py b/Lib/unittest/__init__.py
new file mode 100644
index 0000000..20b307b
--- /dev/null
+++ b/Lib/unittest/__init__.py
@@ -0,0 +1,63 @@
+"""
+Python unit testing framework, based on Erich Gamma's JUnit and Kent Beck's
+Smalltalk testing framework.
+
+This module contains the core framework classes that form the basis of
+specific test cases and suites (TestCase, TestSuite etc.), and also a
+text-based utility class for running the tests and reporting the results
+ (TextTestRunner).
+
+Simple usage:
+
+ import unittest
+
+ class IntegerArithmenticTestCase(unittest.TestCase):
+ def testAdd(self): ## test method names begin 'test*'
+ self.assertEqual((1 + 2), 3)
+ self.assertEqual(0 + 1, 1)
+ def testMultiply(self):
+ self.assertEqual((0 * 10), 0)
+ self.assertEqual((5 * 8), 40)
+
+ if __name__ == '__main__':
+ unittest.main()
+
+Further information is available in the bundled documentation, and from
+
+ http://docs.python.org/library/unittest.html
+
+Copyright (c) 1999-2003 Steve Purcell
+Copyright (c) 2003-2009 Python Software Foundation
+This module is free software, and you may redistribute it and/or modify
+it under the same terms as Python itself, so long as this copyright message
+and disclaimer are retained in their original form.
+
+IN NO EVENT SHALL THE AUTHOR BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT,
+SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF
+THIS CODE, EVEN IF THE AUTHOR HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+DAMAGE.
+
+THE AUTHOR SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+PARTICULAR PURPOSE. THE CODE PROVIDED HEREUNDER IS ON AN "AS IS" BASIS,
+AND THERE IS NO OBLIGATION WHATSOEVER TO PROVIDE MAINTENANCE,
+SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+"""
+
+__all__ = ['TestResult', 'TestCase', 'TestSuite',
+ 'TextTestRunner', 'TestLoader', 'FunctionTestCase', 'main',
+ 'defaultTestLoader', 'SkipTest', 'skip', 'skipIf', 'skipUnless',
+ 'expectedFailure']
+
+# Expose obsolete functions for backwards compatibility
+__all__.extend(['getTestCaseNames', 'makeSuite', 'findTestCases'])
+
+
+from .result import TestResult
+from .case import (TestCase, FunctionTestCase, SkipTest, skip, skipIf,
+ skipUnless, expectedFailure)
+from .suite import TestSuite
+from .loader import (TestLoader, defaultTestLoader, makeSuite, getTestCaseNames,
+ findTestCases)
+from .main import TestProgram, main
+from .runner import TextTestRunner
diff --git a/Lib/unittest/__main__.py b/Lib/unittest/__main__.py
new file mode 100644
index 0000000..5bbda1c
--- /dev/null
+++ b/Lib/unittest/__main__.py
@@ -0,0 +1,8 @@
+"""Main entry point"""
+
+import sys
+if sys.argv[0].endswith("__main__.py"):
+ sys.argv[0] = "unittest"
+
+from .main import main
+main(module=None)
diff --git a/Lib/unittest/case.py b/Lib/unittest/case.py
new file mode 100644
index 0000000..6ffdacb
--- /dev/null
+++ b/Lib/unittest/case.py
@@ -0,0 +1,893 @@
+"""Test case implementation"""
+
+import sys
+import functools
+import difflib
+import pprint
+import re
+import warnings
+
+from . import result, util
+
+
+class SkipTest(Exception):
+ """
+ Raise this exception in a test to skip it.
+
+ Usually you can use TestResult.skip() or one of the skipping decorators
+ instead of raising this directly.
+ """
+ pass
+
+class _ExpectedFailure(Exception):
+ """
+ Raise this when a test is expected to fail.
+
+ This is an implementation detail.
+ """
+
+ def __init__(self, exc_info):
+ super(_ExpectedFailure, self).__init__()
+ self.exc_info = exc_info
+
+class _UnexpectedSuccess(Exception):
+ """
+ The test was supposed to fail, but it didn't!
+ """
+ pass
+
+def _id(obj):
+ return obj
+
+def skip(reason):
+ """
+ Unconditionally skip a test.
+ """
+ def decorator(test_item):
+ if isinstance(test_item, type) and issubclass(test_item, TestCase):
+ test_item.__unittest_skip__ = True
+ test_item.__unittest_skip_why__ = reason
+ return test_item
+ @functools.wraps(test_item)
+ def skip_wrapper(*args, **kwargs):
+ raise SkipTest(reason)
+ return skip_wrapper
+ return decorator
+
+def skipIf(condition, reason):
+ """
+ Skip a test if the condition is true.
+ """
+ if condition:
+ return skip(reason)
+ return _id
+
+def skipUnless(condition, reason):
+ """
+ Skip a test unless the condition is true.
+ """
+ if not condition:
+ return skip(reason)
+ return _id
+
+
+def expectedFailure(func):
+ @functools.wraps(func)
+ def wrapper(*args, **kwargs):
+ try:
+ func(*args, **kwargs)
+ except Exception:
+ raise _ExpectedFailure(sys.exc_info())
+ raise _UnexpectedSuccess
+ return wrapper
+
+
+class _AssertRaisesContext(object):
+ """A context manager used to implement TestCase.assertRaises* methods."""
+
+ def __init__(self, expected, test_case, expected_regexp=None):
+ self.expected = expected
+ self.failureException = test_case.failureException
+ self.expected_regex = expected_regexp
+
+ def __enter__(self):
+ pass
+
+ def __exit__(self, exc_type, exc_value, tb):
+ if exc_type is None:
+ try:
+ exc_name = self.expected.__name__
+ except AttributeError:
+ exc_name = str(self.expected)
+ raise self.failureException(
+ "{0} not raised".format(exc_name))
+ if not issubclass(exc_type, self.expected):
+ # let unexpected exceptions pass through
+ return False
+ if self.expected_regex is None:
+ return True
+
+ expected_regexp = self.expected_regex
+ if isinstance(expected_regexp, basestring):
+ expected_regexp = re.compile(expected_regexp)
+ if not expected_regexp.search(str(exc_value)):
+ raise self.failureException('"%s" does not match "%s"' %
+ (expected_regexp.pattern, str(exc_value)))
+ return True
+
+
+class _AssertWrapper(object):
+ """Wrap entries in the _type_equality_funcs registry to make them deep
+ copyable."""
+
+ def __init__(self, function):
+ self.function = function
+
+ def __deepcopy__(self, memo):
+ memo[id(self)] = self
+
+
+class TestCase(object):
+ """A class whose instances are single test cases.
+
+ By default, the test code itself should be placed in a method named
+ 'runTest'.
+
+ If the fixture may be used for many test cases, create as
+ many test methods as are needed. When instantiating such a TestCase
+ subclass, specify in the constructor arguments the name of the test method
+ that the instance is to execute.
+
+ Test authors should subclass TestCase for their own tests. Construction
+ and deconstruction of the test's environment ('fixture') can be
+ implemented by overriding the 'setUp' and 'tearDown' methods respectively.
+
+ If it is necessary to override the __init__ method, the base class
+ __init__ method must always be called. It is important that subclasses
+ should not change the signature of their __init__ method, since instances
+ of the classes are instantiated automatically by parts of the framework
+ in order to be run.
+ """
+
+ # This attribute determines which exception will be raised when
+ # the instance's assertion methods fail; test methods raising this
+ # exception will be deemed to have 'failed' rather than 'errored'
+
+ failureException = AssertionError
+
+ # This attribute determines whether long messages (including repr of
+ # objects used in assert methods) will be printed on failure in *addition*
+ # to any explicit message passed.
+
+ longMessage = False
+
+
+ def __init__(self, methodName='runTest'):
+ """Create an instance of the class that will use the named test
+ method when executed. Raises a ValueError if the instance does
+ not have a method with the specified name.
+ """
+ self._testMethodName = methodName
+ self._resultForDoCleanups = None
+ try:
+ testMethod = getattr(self, methodName)
+ except AttributeError:
+ raise ValueError("no such test method in %s: %s" % \
+ (self.__class__, methodName))
+ self._testMethodDoc = testMethod.__doc__
+ self._cleanups = []
+
+ # Map types to custom assertEqual functions that will compare
+ # instances of said type in more detail to generate a more useful
+ # error message.
+ self._type_equality_funcs = {}
+ self.addTypeEqualityFunc(dict, self.assertDictEqual)
+ self.addTypeEqualityFunc(list, self.assertListEqual)
+ self.addTypeEqualityFunc(tuple, self.assertTupleEqual)
+ self.addTypeEqualityFunc(set, self.assertSetEqual)
+ self.addTypeEqualityFunc(frozenset, self.assertSetEqual)
+
+ def addTypeEqualityFunc(self, typeobj, function):
+ """Add a type specific assertEqual style function to compare a type.
+
+ This method is for use by TestCase subclasses that need to register
+ their own type equality functions to provide nicer error messages.
+
+ Args:
+ typeobj: The data type to call this function on when both values
+ are of the same type in assertEqual().
+ function: The callable taking two arguments and an optional
+ msg= argument that raises self.failureException with a
+ useful error message when the two arguments are not equal.
+ """
+ self._type_equality_funcs[typeobj] = _AssertWrapper(function)
+
+ def addCleanup(self, function, *args, **kwargs):
+ """Add a function, with arguments, to be called when the test is
+ completed. Functions added are called on a LIFO basis and are
+ called after tearDown on test failure or success.
+
+ Cleanup items are called even if setUp fails (unlike tearDown)."""
+ self._cleanups.append((function, args, kwargs))
+
+ def setUp(self):
+ "Hook method for setting up the test fixture before exercising it."
+ pass
+
+ def tearDown(self):
+ "Hook method for deconstructing the test fixture after testing it."
+ pass
+
+ def countTestCases(self):
+ return 1
+
+ def defaultTestResult(self):
+ return result.TestResult()
+
+ def shortDescription(self):
+ """Returns both the test method name and first line of its docstring.
+
+ If no docstring is given, only returns the method name.
+
+ This method overrides unittest.TestCase.shortDescription(), which
+ only returns the first line of the docstring, obscuring the name
+ of the test upon failure.
+ """
+ desc = str(self)
+ doc_first_line = None
+
+ if self._testMethodDoc:
+ doc_first_line = self._testMethodDoc.split("\n")[0].strip()
+ if doc_first_line:
+ desc = '\n'.join((desc, doc_first_line))
+ return desc
+
+ def id(self):
+ return "%s.%s" % (util.strclass(self.__class__), self._testMethodName)
+
+ def __eq__(self, other):
+ if type(self) is not type(other):
+ return NotImplemented
+
+ return self._testMethodName == other._testMethodName
+
+ def __ne__(self, other):
+ return not self == other
+
+ def __hash__(self):
+ return hash((type(self), self._testMethodName))
+
+ def __str__(self):
+ return "%s (%s)" % (self._testMethodName, util.strclass(self.__class__))
+
+ def __repr__(self):
+ return "<%s testMethod=%s>" % \
+ (util.strclass(self.__class__), self._testMethodName)
+
+ def run(self, result=None):
+ orig_result = result
+ if result is None:
+ result = self.defaultTestResult()
+ startTestRun = getattr(result, 'startTestRun', None)
+ if startTestRun is not None:
+ startTestRun()
+
+ self._resultForDoCleanups = result
+ result.startTest(self)
+ if getattr(self.__class__, "__unittest_skip__", False):
+ # If the whole class was skipped.
+ try:
+ result.addSkip(self, self.__class__.__unittest_skip_why__)
+ finally:
+ result.stopTest(self)
+ return
+ testMethod = getattr(self, self._testMethodName)
+ try:
+ success = False
+ try:
+ self.setUp()
+ except SkipTest as e:
+ result.addSkip(self, str(e))
+ except Exception:
+ result.addError(self, sys.exc_info())
+ else:
+ try:
+ testMethod()
+ except self.failureException:
+ result.addFailure(self, sys.exc_info())
+ except _ExpectedFailure as e:
+ result.addExpectedFailure(self, e.exc_info)
+ except _UnexpectedSuccess:
+ result.addUnexpectedSuccess(self)
+ except SkipTest as e:
+ result.addSkip(self, str(e))
+ except Exception:
+ result.addError(self, sys.exc_info())
+ else:
+ success = True
+
+ try:
+ self.tearDown()
+ except Exception:
+ result.addError(self, sys.exc_info())
+ success = False
+
+ cleanUpSuccess = self.doCleanups()
+ success = success and cleanUpSuccess
+ if success:
+ result.addSuccess(self)
+ finally:
+ result.stopTest(self)
+ if orig_result is None:
+ stopTestRun = getattr(result, 'stopTestRun', None)
+ if stopTestRun is not None:
+ stopTestRun()
+
+ def doCleanups(self):
+ """Execute all cleanup functions. Normally called for you after
+ tearDown."""
+ result = self._resultForDoCleanups
+ ok = True
+ while self._cleanups:
+ function, args, kwargs = self._cleanups.pop(-1)
+ try:
+ function(*args, **kwargs)
+ except Exception:
+ ok = False
+ result.addError(self, sys.exc_info())
+ return ok
+
+ def __call__(self, *args, **kwds):
+ return self.run(*args, **kwds)
+
+ def debug(self):
+ """Run the test without collecting errors in a TestResult"""
+ self.setUp()
+ getattr(self, self._testMethodName)()
+ self.tearDown()
+
+ def skipTest(self, reason):
+ """Skip this test."""
+ raise SkipTest(reason)
+
+ def fail(self, msg=None):
+ """Fail immediately, with the given message."""
+ raise self.failureException(msg)
+
+ def assertFalse(self, expr, msg=None):
+ "Fail the test if the expression is true."
+ if expr:
+ msg = self._formatMessage(msg, "%r is not False" % expr)
+ raise self.failureException(msg)
+
+ def assertTrue(self, expr, msg=None):
+ """Fail the test unless the expression is true."""
+ if not expr:
+ msg = self._formatMessage(msg, "%r is not True" % expr)
+ raise self.failureException(msg)
+
+ def _formatMessage(self, msg, standardMsg):
+ """Honour the longMessage attribute when generating failure messages.
+ If longMessage is False this means:
+ * Use only an explicit message if it is provided
+ * Otherwise use the standard message for the assert
+
+ If longMessage is True:
+ * Use the standard message
+ * If an explicit message is provided, plus ' : ' and the explicit message
+ """
+ if not self.longMessage:
+ return msg or standardMsg
+ if msg is None:
+ return standardMsg
+ return standardMsg + ' : ' + msg
+
+
+ def assertRaises(self, excClass, callableObj=None, *args, **kwargs):
+ """Fail unless an exception of class excClass is thrown
+ by callableObj when invoked with arguments args and keyword
+ arguments kwargs. If a different type of exception is
+ thrown, it will not be caught, and the test case will be
+ deemed to have suffered an error, exactly as for an
+ unexpected exception.
+
+ If called with callableObj omitted or None, will return a
+ context object used like this::
+
+ with self.assertRaises(some_error_class):
+ do_something()
+ """
+ context = _AssertRaisesContext(excClass, self)
+ if callableObj is None:
+ return context
+ with context:
+ callableObj(*args, **kwargs)
+
+ def _getAssertEqualityFunc(self, first, second):
+ """Get a detailed comparison function for the types of the two args.
+
+ Returns: A callable accepting (first, second, msg=None) that will
+ raise a failure exception if first != second with a useful human
+ readable error message for those types.
+ """
+ #
+ # NOTE(gregory.p.smith): I considered isinstance(first, type(second))
+ # and vice versa. I opted for the conservative approach in case
+ # subclasses are not intended to be compared in detail to their super
+ # class instances using a type equality func. This means testing
+ # subtypes won't automagically use the detailed comparison. Callers
+ # should use their type specific assertSpamEqual method to compare
+ # subclasses if the detailed comparison is desired and appropriate.
+ # See the discussion in http://bugs.python.org/issue2578.
+ #
+ if type(first) is type(second):
+ asserter = self._type_equality_funcs.get(type(first))
+ if asserter is not None:
+ return asserter.function
+
+ return self._baseAssertEqual
+
+ def _baseAssertEqual(self, first, second, msg=None):
+ """The default assertEqual implementation, not type specific."""
+ if not first == second:
+ standardMsg = '%r != %r' % (first, second)
+ msg = self._formatMessage(msg, standardMsg)
+ raise self.failureException(msg)
+
+ def assertEqual(self, first, second, msg=None):
+ """Fail if the two objects are unequal as determined by the '=='
+ operator.
+ """
+ assertion_func = self._getAssertEqualityFunc(first, second)
+ assertion_func(first, second, msg=msg)
+
+ def assertNotEqual(self, first, second, msg=None):
+ """Fail if the two objects are equal as determined by the '=='
+ operator.
+ """
+ if not first != second:
+ msg = self._formatMessage(msg, '%r == %r' % (first, second))
+ raise self.failureException(msg)
+
+ def assertAlmostEqual(self, first, second, places=7, msg=None):
+ """Fail if the two objects are unequal as determined by their
+ difference rounded to the given number of decimal places
+ (default 7) and comparing to zero.
+
+ Note that decimal places (from zero) are usually not the same
+ as significant digits (measured from the most signficant digit).
+ """
+ if round(abs(second-first), places) != 0:
+ standardMsg = '%r != %r within %r places' % (first, second, places)
+ msg = self._formatMessage(msg, standardMsg)
+ raise self.failureException(msg)
+
+ def assertNotAlmostEqual(self, first, second, places=7, msg=None):
+ """Fail if the two objects are equal as determined by their
+ difference rounded to the given number of decimal places
+ (default 7) and comparing to zero.
+
+ Note that decimal places (from zero) are usually not the same
+ as significant digits (measured from the most signficant digit).
+ """
+ if round(abs(second-first), places) == 0:
+ standardMsg = '%r == %r within %r places' % (first, second, places)
+ msg = self._formatMessage(msg, standardMsg)
+ raise self.failureException(msg)
+
+ # Synonyms for assertion methods
+
+ # The plurals are undocumented. Keep them that way to discourage use.
+ # Do not add more. Do not remove.
+ # Going through a deprecation cycle on these would annoy many people.
+ assertEquals = assertEqual
+ assertNotEquals = assertNotEqual
+ assertAlmostEquals = assertAlmostEqual
+ assertNotAlmostEquals = assertNotAlmostEqual
+ assert_ = assertTrue
+
+ # These fail* assertion method names are pending deprecation and will
+ # be a DeprecationWarning in 3.2; http://bugs.python.org/issue2578
+ def _deprecate(original_func):
+ def deprecated_func(*args, **kwargs):
+ warnings.warn(
+ 'Please use {0} instead.'.format(original_func.__name__),
+ PendingDeprecationWarning, 2)
+ return original_func(*args, **kwargs)
+ return deprecated_func
+
+ failUnlessEqual = _deprecate(assertEqual)
+ failIfEqual = _deprecate(assertNotEqual)
+ failUnlessAlmostEqual = _deprecate(assertAlmostEqual)
+ failIfAlmostEqual = _deprecate(assertNotAlmostEqual)
+ failUnless = _deprecate(assertTrue)
+ failUnlessRaises = _deprecate(assertRaises)
+ failIf = _deprecate(assertFalse)
+
+ def assertSequenceEqual(self, seq1, seq2, msg=None, seq_type=None):
+ """An equality assertion for ordered sequences (like lists and tuples).
+
+ For the purposes of this function, a valid orderd sequence type is one
+ which can be indexed, has a length, and has an equality operator.
+
+ Args:
+ seq1: The first sequence to compare.
+ seq2: The second sequence to compare.
+ seq_type: The expected datatype of the sequences, or None if no
+ datatype should be enforced.
+ msg: Optional message to use on failure instead of a list of
+ differences.
+ """
+ if seq_type != None:
+ seq_type_name = seq_type.__name__
+ if not isinstance(seq1, seq_type):
+ raise self.failureException('First sequence is not a %s: %r'
+ % (seq_type_name, seq1))
+ if not isinstance(seq2, seq_type):
+ raise self.failureException('Second sequence is not a %s: %r'
+ % (seq_type_name, seq2))
+ else:
+ seq_type_name = "sequence"
+
+ differing = None
+ try:
+ len1 = len(seq1)
+ except (TypeError, NotImplementedError):
+ differing = 'First %s has no length. Non-sequence?' % (
+ seq_type_name)
+
+ if differing is None:
+ try:
+ len2 = len(seq2)
+ except (TypeError, NotImplementedError):
+ differing = 'Second %s has no length. Non-sequence?' % (
+ seq_type_name)
+
+ if differing is None:
+ if seq1 == seq2:
+ return
+
+ seq1_repr = repr(seq1)
+ seq2_repr = repr(seq2)
+ if len(seq1_repr) > 30:
+ seq1_repr = seq1_repr[:30] + '...'
+ if len(seq2_repr) > 30:
+ seq2_repr = seq2_repr[:30] + '...'
+ elements = (seq_type_name.capitalize(), seq1_repr, seq2_repr)
+ differing = '%ss differ: %s != %s\n' % elements
+
+ for i in xrange(min(len1, len2)):
+ try:
+ item1 = seq1[i]
+ except (TypeError, IndexError, NotImplementedError):
+ differing += ('\nUnable to index element %d of first %s\n' %
+ (i, seq_type_name))
+ break
+
+ try:
+ item2 = seq2[i]
+ except (TypeError, IndexError, NotImplementedError):
+ differing += ('\nUnable to index element %d of second %s\n' %
+ (i, seq_type_name))
+ break
+
+ if item1 != item2:
+ differing += ('\nFirst differing element %d:\n%s\n%s\n' %
+ (i, item1, item2))
+ break
+ else:
+ if (len1 == len2 and seq_type is None and
+ type(seq1) != type(seq2)):
+ # The sequences are the same, but have differing types.
+ return
+
+ if len1 > len2:
+ differing += ('\nFirst %s contains %d additional '
+ 'elements.\n' % (seq_type_name, len1 - len2))
+ try:
+ differing += ('First extra element %d:\n%s\n' %
+ (len2, seq1[len2]))
+ except (TypeError, IndexError, NotImplementedError):
+ differing += ('Unable to index element %d '
+ 'of first %s\n' % (len2, seq_type_name))
+ elif len1 < len2:
+ differing += ('\nSecond %s contains %d additional '
+ 'elements.\n' % (seq_type_name, len2 - len1))
+ try:
+ differing += ('First extra element %d:\n%s\n' %
+ (len1, seq2[len1]))
+ except (TypeError, IndexError, NotImplementedError):
+ differing += ('Unable to index element %d '
+ 'of second %s\n' % (len1, seq_type_name))
+ standardMsg = differing + '\n' + '\n'.join(difflib.ndiff(pprint.pformat(seq1).splitlines(),
+ pprint.pformat(seq2).splitlines()))
+ msg = self._formatMessage(msg, standardMsg)
+ self.fail(msg)
+
+ def assertListEqual(self, list1, list2, msg=None):
+ """A list-specific equality assertion.
+
+ Args:
+ list1: The first list to compare.
+ list2: The second list to compare.
+ msg: Optional message to use on failure instead of a list of
+ differences.
+
+ """
+ self.assertSequenceEqual(list1, list2, msg, seq_type=list)
+
+ def assertTupleEqual(self, tuple1, tuple2, msg=None):
+ """A tuple-specific equality assertion.
+
+ Args:
+ tuple1: The first tuple to compare.
+ tuple2: The second tuple to compare.
+ msg: Optional message to use on failure instead of a list of
+ differences.
+ """
+ self.assertSequenceEqual(tuple1, tuple2, msg, seq_type=tuple)
+
+ def assertSetEqual(self, set1, set2, msg=None):
+ """A set-specific equality assertion.
+
+ Args:
+ set1: The first set to compare.
+ set2: The second set to compare.
+ msg: Optional message to use on failure instead of a list of
+ differences.
+
+ For more general containership equality, assertSameElements will work
+ with things other than sets. This uses ducktyping to support
+ different types of sets, and is optimized for sets specifically
+ (parameters must support a difference method).
+ """
+ try:
+ difference1 = set1.difference(set2)
+ except TypeError, e:
+ self.fail('invalid type when attempting set difference: %s' % e)
+ except AttributeError, e:
+ self.fail('first argument does not support set difference: %s' % e)
+
+ try:
+ difference2 = set2.difference(set1)
+ except TypeError, e:
+ self.fail('invalid type when attempting set difference: %s' % e)
+ except AttributeError, e:
+ self.fail('second argument does not support set difference: %s' % e)
+
+ if not (difference1 or difference2):
+ return
+
+ lines = []
+ if difference1:
+ lines.append('Items in the first set but not the second:')
+ for item in difference1:
+ lines.append(repr(item))
+ if difference2:
+ lines.append('Items in the second set but not the first:')
+ for item in difference2:
+ lines.append(repr(item))
+
+ standardMsg = '\n'.join(lines)
+ self.fail(self._formatMessage(msg, standardMsg))
+
+ def assertIn(self, member, container, msg=None):
+ """Just like self.assertTrue(a in b), but with a nicer default message."""
+ if member not in container:
+ standardMsg = '%r not found in %r' % (member, container)
+ self.fail(self._formatMessage(msg, standardMsg))
+
+ def assertNotIn(self, member, container, msg=None):
+ """Just like self.assertTrue(a not in b), but with a nicer default message."""
+ if member in container:
+ standardMsg = '%r unexpectedly found in %r' % (member, container)
+ self.fail(self._formatMessage(msg, standardMsg))
+
+ def assertIs(self, expr1, expr2, msg=None):
+ """Just like self.assertTrue(a is b), but with a nicer default message."""
+ if expr1 is not expr2:
+ standardMsg = '%r is not %r' % (expr1, expr2)
+ self.fail(self._formatMessage(msg, standardMsg))
+
+ def assertIsNot(self, expr1, expr2, msg=None):
+ """Just like self.assertTrue(a is not b), but with a nicer default message."""
+ if expr1 is expr2:
+ standardMsg = 'unexpectedly identical: %r' % (expr1,)
+ self.fail(self._formatMessage(msg, standardMsg))
+
+ def assertDictEqual(self, d1, d2, msg=None):
+ self.assert_(isinstance(d1, dict), 'First argument is not a dictionary')
+ self.assert_(isinstance(d2, dict), 'Second argument is not a dictionary')
+
+ if d1 != d2:
+ standardMsg = ('\n' + '\n'.join(difflib.ndiff(
+ pprint.pformat(d1).splitlines(),
+ pprint.pformat(d2).splitlines())))
+ self.fail(self._formatMessage(msg, standardMsg))
+
+ def assertDictContainsSubset(self, expected, actual, msg=None):
+ """Checks whether actual is a superset of expected."""
+ missing = []
+ mismatched = []
+ for key, value in expected.iteritems():
+ if key not in actual:
+ missing.append(key)
+ elif value != actual[key]:
+ mismatched.append('%s, expected: %s, actual: %s' % (key, value, actual[key]))
+
+ if not (missing or mismatched):
+ return
+
+ standardMsg = ''
+ if missing:
+ standardMsg = 'Missing: %r' % ','.join(missing)
+ if mismatched:
+ if standardMsg:
+ standardMsg += '; '
+ standardMsg += 'Mismatched values: %s' % ','.join(mismatched)
+
+ self.fail(self._formatMessage(msg, standardMsg))
+
+ def assertSameElements(self, expected_seq, actual_seq, msg=None):
+ """An unordered sequence specific comparison.
+
+ Raises with an error message listing which elements of expected_seq
+ are missing from actual_seq and vice versa if any.
+ """
+ try:
+ expected = set(expected_seq)
+ actual = set(actual_seq)
+ missing = list(expected.difference(actual))
+ unexpected = list(actual.difference(expected))
+ missing.sort()
+ unexpected.sort()
+ except TypeError:
+ # Fall back to slower list-compare if any of the objects are
+ # not hashable.
+ expected = list(expected_seq)
+ actual = list(actual_seq)
+ expected.sort()
+ actual.sort()
+ missing, unexpected = util.sorted_list_difference(expected, actual)
+ errors = []
+ if missing:
+ errors.append('Expected, but missing:\n %r' % missing)
+ if unexpected:
+ errors.append('Unexpected, but present:\n %r' % unexpected)
+ if errors:
+ standardMsg = '\n'.join(errors)
+ self.fail(self._formatMessage(msg, standardMsg))
+
+ def assertMultiLineEqual(self, first, second, msg=None):
+ """Assert that two multi-line strings are equal."""
+ self.assert_(isinstance(first, basestring), (
+ 'First argument is not a string'))
+ self.assert_(isinstance(second, basestring), (
+ 'Second argument is not a string'))
+
+ if first != second:
+ standardMsg = '\n' + ''.join(difflib.ndiff(first.splitlines(True), second.splitlines(True)))
+ self.fail(self._formatMessage(msg, standardMsg))
+
+ def assertLess(self, a, b, msg=None):
+ """Just like self.assertTrue(a < b), but with a nicer default message."""
+ if not a < b:
+ standardMsg = '%r not less than %r' % (a, b)
+ self.fail(self._formatMessage(msg, standardMsg))
+
+ def assertLessEqual(self, a, b, msg=None):
+ """Just like self.assertTrue(a <= b), but with a nicer default message."""
+ if not a <= b:
+ standardMsg = '%r not less than or equal to %r' % (a, b)
+ self.fail(self._formatMessage(msg, standardMsg))
+
+ def assertGreater(self, a, b, msg=None):
+ """Just like self.assertTrue(a > b), but with a nicer default message."""
+ if not a > b:
+ standardMsg = '%r not greater than %r' % (a, b)
+ self.fail(self._formatMessage(msg, standardMsg))
+
+ def assertGreaterEqual(self, a, b, msg=None):
+ """Just like self.assertTrue(a >= b), but with a nicer default message."""
+ if not a >= b:
+ standardMsg = '%r not greater than or equal to %r' % (a, b)
+ self.fail(self._formatMessage(msg, standardMsg))
+
+ def assertIsNone(self, obj, msg=None):
+ """Same as self.assertTrue(obj is None), with a nicer default message."""
+ if obj is not None:
+ standardMsg = '%r is not None' % obj
+ self.fail(self._formatMessage(msg, standardMsg))
+
+ def assertIsNotNone(self, obj, msg=None):
+ """Included for symmetry with assertIsNone."""
+ if obj is None:
+ standardMsg = 'unexpectedly None'
+ self.fail(self._formatMessage(msg, standardMsg))
+
+ def assertRaisesRegexp(self, expected_exception, expected_regexp,
+ callable_obj=None, *args, **kwargs):
+ """Asserts that the message in a raised exception matches a regexp.
+
+ Args:
+ expected_exception: Exception class expected to be raised.
+ expected_regexp: Regexp (re pattern object or string) expected
+ to be found in error message.
+ callable_obj: Function to be called.
+ args: Extra args.
+ kwargs: Extra kwargs.
+ """
+ context = _AssertRaisesContext(expected_exception, self, expected_regexp)
+ if callable_obj is None:
+ return context
+ with context:
+ callable_obj(*args, **kwargs)
+
+ def assertRegexpMatches(self, text, expected_regex, msg=None):
+ if isinstance(expected_regex, basestring):
+ expected_regex = re.compile(expected_regex)
+ if not expected_regex.search(text):
+ msg = msg or "Regexp didn't match"
+ msg = '%s: %r not found in %r' % (msg, expected_regex.pattern, text)
+ raise self.failureException(msg)
+
+
+class FunctionTestCase(TestCase):
+ """A test case that wraps a test function.
+
+ This is useful for slipping pre-existing test functions into the
+ unittest framework. Optionally, set-up and tidy-up functions can be
+ supplied. As with TestCase, the tidy-up ('tearDown') function will
+ always be called if the set-up ('setUp') function ran successfully.
+ """
+
+ def __init__(self, testFunc, setUp=None, tearDown=None, description=None):
+ super(FunctionTestCase, self).__init__()
+ self._setUpFunc = setUp
+ self._tearDownFunc = tearDown
+ self._testFunc = testFunc
+ self._description = description
+
+ def setUp(self):
+ if self._setUpFunc is not None:
+ self._setUpFunc()
+
+ def tearDown(self):
+ if self._tearDownFunc is not None:
+ self._tearDownFunc()
+
+ def runTest(self):
+ self._testFunc()
+
+ def id(self):
+ return self._testFunc.__name__
+
+ def __eq__(self, other):
+ if not isinstance(other, self.__class__):
+ return NotImplemented
+
+ return self._setUpFunc == other._setUpFunc and \
+ self._tearDownFunc == other._tearDownFunc and \
+ self._testFunc == other._testFunc and \
+ self._description == other._description
+
+ def __ne__(self, other):
+ return not self == other
+
+ def __hash__(self):
+ return hash((type(self), self._setUpFunc, self._tearDownFunc,
+ self._testFunc, self._description))
+
+ def __str__(self):
+ return "%s (%s)" % (util.strclass(self.__class__),
+ self._testFunc.__name__)
+
+ def __repr__(self):
+ return "<%s testFunc=%s>" % (util.strclass(self.__class__),
+ self._testFunc)
+
+ def shortDescription(self):
+ if self._description is not None:
+ return self._description
+ doc = self._testFunc.__doc__
+ return doc and doc.split("\n")[0].strip() or None
diff --git a/Lib/unittest/loader.py b/Lib/unittest/loader.py
new file mode 100644
index 0000000..21c7ed0
--- /dev/null
+++ b/Lib/unittest/loader.py
@@ -0,0 +1,234 @@
+"""Loading unittests."""
+
+import os
+import sys
+import types
+
+from fnmatch import fnmatch
+
+from . import case, suite
+
+
+def _CmpToKey(mycmp):
+ 'Convert a cmp= function into a key= function'
+ class K(object):
+ def __init__(self, obj):
+ self.obj = obj
+ def __lt__(self, other):
+ return mycmp(self.obj, other.obj) == -1
+ return K
+
+
+class TestLoader(object):
+ """
+ This class is responsible for loading tests according to various criteria
+ and returning them wrapped in a TestSuite
+ """
+ testMethodPrefix = 'test'
+ sortTestMethodsUsing = cmp
+ suiteClass = suite.TestSuite
+ _top_level_dir = None
+
+ def loadTestsFromTestCase(self, testCaseClass):
+ """Return a suite of all tests cases contained in testCaseClass"""
+ if issubclass(testCaseClass, suite.TestSuite):
+ raise TypeError("Test cases should not be derived from TestSuite." \
+ " Maybe you meant to derive from TestCase?")
+ testCaseNames = self.getTestCaseNames(testCaseClass)
+ if not testCaseNames and hasattr(testCaseClass, 'runTest'):
+ testCaseNames = ['runTest']
+ loaded_suite = self.suiteClass(map(testCaseClass, testCaseNames))
+ return loaded_suite
+
+ def loadTestsFromModule(self, module, use_load_tests=True):
+ """Return a suite of all tests cases contained in the given module"""
+ tests = []
+ for name in dir(module):
+ obj = getattr(module, name)
+ if isinstance(obj, type) and issubclass(obj, case.TestCase):
+ tests.append(self.loadTestsFromTestCase(obj))
+
+ load_tests = getattr(module, 'load_tests', None)
+ if use_load_tests and load_tests is not None:
+ return load_tests(self, tests, None)
+ return self.suiteClass(tests)
+
+ def loadTestsFromName(self, name, module=None):
+ """Return a suite of all tests cases given a string specifier.
+
+ The name may resolve either to a module, a test case class, a
+ test method within a test case class, or a callable object which
+ returns a TestCase or TestSuite instance.
+
+ The method optionally resolves the names relative to a given module.
+ """
+ parts = name.split('.')
+ if module is None:
+ parts_copy = parts[:]
+ while parts_copy:
+ try:
+ module = __import__('.'.join(parts_copy))
+ break
+ except ImportError:
+ del parts_copy[-1]
+ if not parts_copy:
+ raise
+ parts = parts[1:]
+ obj = module
+ for part in parts:
+ parent, obj = obj, getattr(obj, part)
+
+ if isinstance(obj, types.ModuleType):
+ return self.loadTestsFromModule(obj)
+ elif isinstance(obj, type) and issubclass(obj, case.TestCase):
+ return self.loadTestsFromTestCase(obj)
+ elif (isinstance(obj, types.UnboundMethodType) and
+ isinstance(parent, type) and
+ issubclass(parent, case.TestCase)):
+ return suite.TestSuite([parent(obj.__name__)])
+ elif isinstance(obj, suite.TestSuite):
+ return obj
+ elif hasattr(obj, '__call__'):
+ test = obj()
+ if isinstance(test, suite.TestSuite):
+ return test
+ elif isinstance(test, case.TestCase):
+ return suite.TestSuite([test])
+ else:
+ raise TypeError("calling %s returned %s, not a test" %
+ (obj, test))
+ else:
+ raise TypeError("don't know how to make test from: %s" % obj)
+
+ def loadTestsFromNames(self, names, module=None):
+ """Return a suite of all tests cases found using the given sequence
+ of string specifiers. See 'loadTestsFromName()'.
+ """
+ suites = [self.loadTestsFromName(name, module) for name in names]
+ return self.suiteClass(suites)
+
+ def getTestCaseNames(self, testCaseClass):
+ """Return a sorted sequence of method names found within testCaseClass
+ """
+ def isTestMethod(attrname, testCaseClass=testCaseClass,
+ prefix=self.testMethodPrefix):
+ return attrname.startswith(prefix) and \
+ hasattr(getattr(testCaseClass, attrname), '__call__')
+ testFnNames = filter(isTestMethod, dir(testCaseClass))
+ if self.sortTestMethodsUsing:
+ testFnNames.sort(key=_CmpToKey(self.sortTestMethodsUsing))
+ return testFnNames
+
+ def discover(self, start_dir, pattern='test*.py', top_level_dir=None):
+ """Find and return all test modules from the specified start
+ directory, recursing into subdirectories to find them. Only test files
+ that match the pattern will be loaded. (Using shell style pattern
+ matching.)
+
+ All test modules must be importable from the top level of the project.
+ If the start directory is not the top level directory then the top
+ level directory must be specified separately.
+
+ If a test package name (directory with '__init__.py') matches the
+ pattern then the package will be checked for a 'load_tests' function. If
+ this exists then it will be called with loader, tests, pattern.
+
+ If load_tests exists then discovery does *not* recurse into the package,
+ load_tests is responsible for loading all tests in the package.
+
+ The pattern is deliberately not stored as a loader attribute so that
+ packages can continue discovery themselves. top_level_dir is stored so
+ load_tests does not need to pass this argument in to loader.discover().
+ """
+ if top_level_dir is None and self._top_level_dir is not None:
+ # make top_level_dir optional if called from load_tests in a package
+ top_level_dir = self._top_level_dir
+ elif top_level_dir is None:
+ top_level_dir = start_dir
+
+ top_level_dir = os.path.abspath(os.path.normpath(top_level_dir))
+ start_dir = os.path.abspath(os.path.normpath(start_dir))
+
+ if not top_level_dir in sys.path:
+ # all test modules must be importable from the top level directory
+ sys.path.append(top_level_dir)
+ self._top_level_dir = top_level_dir
+
+ if start_dir != top_level_dir and not os.path.isfile(os.path.join(start_dir, '__init__.py')):
+ # what about __init__.pyc or pyo (etc)
+ raise ImportError('Start directory is not importable: %r' % start_dir)
+
+ tests = list(self._find_tests(start_dir, pattern))
+ return self.suiteClass(tests)
+
+
+ def _get_module_from_path(self, path):
+ """Load a module from a path relative to the top-level directory
+ of a project. Used by discovery."""
+ path = os.path.splitext(os.path.normpath(path))[0]
+
+ relpath = os.path.relpath(path, self._top_level_dir)
+ assert not os.path.isabs(relpath), "Path must be within the project"
+ assert not relpath.startswith('..'), "Path must be within the project"
+
+ name = relpath.replace(os.path.sep, '.')
+ __import__(name)
+ return sys.modules[name]
+
+ def _find_tests(self, start_dir, pattern):
+ """Used by discovery. Yields test suites it loads."""
+ paths = os.listdir(start_dir)
+
+ for path in paths:
+ full_path = os.path.join(start_dir, path)
+ # what about __init__.pyc or pyo (etc)
+ # we would need to avoid loading the same tests multiple times
+ # from '.py', '.pyc' *and* '.pyo'
+ if os.path.isfile(full_path) and path.lower().endswith('.py'):
+ if fnmatch(path, pattern):
+ # if the test file matches, load it
+ module = self._get_module_from_path(full_path)
+ yield self.loadTestsFromModule(module)
+ elif os.path.isdir(full_path):
+ if not os.path.isfile(os.path.join(full_path, '__init__.py')):
+ continue
+
+ load_tests = None
+ tests = None
+ if fnmatch(path, pattern):
+ # only check load_tests if the package directory itself matches the filter
+ package = self._get_module_from_path(full_path)
+ load_tests = getattr(package, 'load_tests', None)
+ tests = self.loadTestsFromModule(package, use_load_tests=False)
+
+ if load_tests is None:
+ if tests is not None:
+ # tests loaded from package file
+ yield tests
+ # recurse into the package
+ for test in self._find_tests(full_path, pattern):
+ yield test
+ else:
+ yield load_tests(self, tests, pattern)
+
+defaultTestLoader = TestLoader()
+
+
+def _makeLoader(prefix, sortUsing, suiteClass=None):
+ loader = TestLoader()
+ loader.sortTestMethodsUsing = sortUsing
+ loader.testMethodPrefix = prefix
+ if suiteClass:
+ loader.suiteClass = suiteClass
+ return loader
+
+def getTestCaseNames(testCaseClass, prefix, sortUsing=cmp):
+ return _makeLoader(prefix, sortUsing).getTestCaseNames(testCaseClass)
+
+def makeSuite(testCaseClass, prefix='test', sortUsing=cmp,
+ suiteClass=suite.TestSuite):
+ return _makeLoader(prefix, sortUsing, suiteClass).loadTestsFromTestCase(testCaseClass)
+
+def findTestCases(module, prefix='test', sortUsing=cmp,
+ suiteClass=suite.TestSuite):
+ return _makeLoader(prefix, sortUsing, suiteClass).loadTestsFromModule(module)
diff --git a/Lib/unittest/main.py b/Lib/unittest/main.py
new file mode 100644
index 0000000..a2eea86
--- /dev/null
+++ b/Lib/unittest/main.py
@@ -0,0 +1,175 @@
+"""Unittest main program"""
+
+import sys
+import os
+import types
+
+from . import loader, runner
+
+
+USAGE_AS_MAIN = """\
+Usage: %(progName)s [options] [tests]
+
+Options:
+ -h, --help Show this message
+ -v, --verbose Verbose output
+ -q, --quiet Minimal output
+
+Examples:
+ %(progName)s test_module - run tests from test_module
+ %(progName)s test_module.TestClass - run tests from
+ test_module.TestClass
+ %(progName)s test_module.TestClass.test_method - run specified test method
+
+[tests] can be a list of any number of test modules, classes and test
+methods.
+
+Alternative Usage: %(progName)s discover [options]
+
+Options:
+ -v, --verbose Verbose output
+ -s directory Directory to start discovery ('.' default)
+ -p pattern Pattern to match test files ('test*.py' default)
+ -t directory Top level directory of project (default to
+ start directory)
+
+For test discovery all test modules must be importable from the top
+level directory of the project.
+"""
+
+USAGE_FROM_MODULE = """\
+Usage: %(progName)s [options] [test] [...]
+
+Options:
+ -h, --help Show this message
+ -v, --verbose Verbose output
+ -q, --quiet Minimal output
+
+Examples:
+ %(progName)s - run default set of tests
+ %(progName)s MyTestSuite - run suite 'MyTestSuite'
+ %(progName)s MyTestCase.testSomething - run MyTestCase.testSomething
+ %(progName)s MyTestCase - run all 'test*' test methods
+ in MyTestCase
+"""
+
+if __name__ == '__main__':
+ USAGE = USAGE_AS_MAIN
+else:
+ USAGE = USAGE_FROM_MODULE
+
+
+class TestProgram(object):
+ """A command-line program that runs a set of tests; this is primarily
+ for making test modules conveniently executable.
+ """
+ USAGE = USAGE
+ def __init__(self, module='__main__', defaultTest=None,
+ argv=None, testRunner=None,
+ testLoader=loader.defaultTestLoader, exit=True,
+ verbosity=1):
+ if isinstance(module, basestring):
+ self.module = __import__(module)
+ for part in module.split('.')[1:]:
+ self.module = getattr(self.module, part)
+ else:
+ self.module = module
+ if argv is None:
+ argv = sys.argv
+
+ self.exit = exit
+ self.verbosity = verbosity
+ self.defaultTest = defaultTest
+ self.testRunner = testRunner
+ self.testLoader = testLoader
+ self.progName = os.path.basename(argv[0])
+ self.parseArgs(argv)
+ self.runTests()
+
+ def usageExit(self, msg=None):
+ if msg:
+ print msg
+ print self.USAGE % self.__dict__
+ sys.exit(2)
+
+ def parseArgs(self, argv):
+ if len(argv) > 1 and argv[1].lower() == 'discover':
+ self._do_discovery(argv[2:])
+ return
+
+ import getopt
+ long_opts = ['help','verbose','quiet']
+ try:
+ options, args = getopt.getopt(argv[1:], 'hHvq', long_opts)
+ for opt, value in options:
+ if opt in ('-h','-H','--help'):
+ self.usageExit()
+ if opt in ('-q','--quiet'):
+ self.verbosity = 0
+ if opt in ('-v','--verbose'):
+ self.verbosity = 2
+ if len(args) == 0 and self.defaultTest is None:
+ self.test = self.testLoader.loadTestsFromModule(self.module)
+ return
+ if len(args) > 0:
+ self.testNames = args
+ if __name__ == '__main__':
+ # to support python -m unittest ...
+ self.module = None
+ else:
+ self.testNames = (self.defaultTest,)
+ self.createTests()
+ except getopt.error, msg:
+ self.usageExit(msg)
+
+ def createTests(self):
+ self.test = self.testLoader.loadTestsFromNames(self.testNames,
+ self.module)
+
+ def _do_discovery(self, argv, Loader=loader.TestLoader):
+ # handle command line args for test discovery
+ import optparse
+ parser = optparse.OptionParser()
+ parser.add_option('-v', '--verbose', dest='verbose', default=False,
+ help='Verbose output', action='store_true')
+ parser.add_option('-s', '--start-directory', dest='start', default='.',
+ help="Directory to start discovery ('.' default)")
+ parser.add_option('-p', '--pattern', dest='pattern', default='test*.py',
+ help="Pattern to match tests ('test*.py' default)")
+ parser.add_option('-t', '--top-level-directory', dest='top', default=None,
+ help='Top level directory of project (defaults to start directory)')
+
+ options, args = parser.parse_args(argv)
+ if len(args) > 3:
+ self.usageExit()
+
+ for name, value in zip(('start', 'pattern', 'top'), args):
+ setattr(options, name, value)
+
+ if options.verbose:
+ self.verbosity = 2
+
+ start_dir = options.start
+ pattern = options.pattern
+ top_level_dir = options.top
+
+ loader = Loader()
+ self.test = loader.discover(start_dir, pattern, top_level_dir)
+
+ def runTests(self):
+ if self.testRunner is None:
+ self.testRunner = runner.TextTestRunner
+ if isinstance(self.testRunner, (type, types.ClassType)):
+ try:
+ testRunner = self.testRunner(verbosity=self.verbosity)
+ except TypeError:
+ # didn't accept the verbosity argument
+ testRunner = self.testRunner()
+ else:
+ # it is assumed to be a TestRunner instance
+ testRunner = self.testRunner
+ self.result = testRunner.run(self.test)
+ if self.exit:
+ sys.exit(not self.result.wasSuccessful())
+
+main = TestProgram
diff --git a/Lib/unittest/result.py b/Lib/unittest/result.py
new file mode 100644
index 0000000..3e32eb0
--- /dev/null
+++ b/Lib/unittest/result.py
@@ -0,0 +1,113 @@
+"""Test result object"""
+
+import traceback
+
+from . import util
+
+
+class TestResult(object):
+ """Holder for test result information.
+
+ Test results are automatically managed by the TestCase and TestSuite
+ classes, and do not need to be explicitly manipulated by writers of tests.
+
+ Each instance holds the total number of tests run, and collections of
+ failures and errors that occurred among those test runs. The collections
+ contain tuples of (testcase, exceptioninfo), where exceptioninfo is the
+ formatted traceback of the error that occurred.
+ """
+ def __init__(self):
+ self.failures = []
+ self.errors = []
+ self.testsRun = 0
+ self.skipped = []
+ self.expectedFailures = []
+ self.unexpectedSuccesses = []
+ self.shouldStop = False
+
+ def startTest(self, test):
+ "Called when the given test is about to be run"
+ self.testsRun = self.testsRun + 1
+
+ def startTestRun(self):
+ """Called once before any tests are executed.
+
+ See startTest for a method called before each test.
+ """
+
+ def stopTest(self, test):
+ "Called when the given test has been run"
+ pass
+
+ def stopTestRun(self):
+ """Called once after all tests are executed.
+
+ See stopTest for a method called after each test.
+ """
+
+ def addError(self, test, err):
+ """Called when an error has occurred. 'err' is a tuple of values as
+ returned by sys.exc_info().
+ """
+ self.errors.append((test, self._exc_info_to_string(err, test)))
+
+ def addFailure(self, test, err):
+ """Called when an error has occurred. 'err' is a tuple of values as
+ returned by sys.exc_info()."""
+ self.failures.append((test, self._exc_info_to_string(err, test)))
+
+ def addSuccess(self, test):
+ "Called when a test has completed successfully"
+ pass
+
+ def addSkip(self, test, reason):
+ """Called when a test is skipped."""
+ self.skipped.append((test, reason))
+
+ def addExpectedFailure(self, test, err):
+ """Called when an expected failure/error occured."""
+ self.expectedFailures.append(
+ (test, self._exc_info_to_string(err, test)))
+
+ def addUnexpectedSuccess(self, test):
+ """Called when a test was expected to fail, but succeed."""
+ self.unexpectedSuccesses.append(test)
+
+ def wasSuccessful(self):
+ "Tells whether or not this result was a success"
+ return len(self.failures) == len(self.errors) == 0
+
+ def stop(self):
+ "Indicates that the tests should be aborted"
+ self.shouldStop = True
+
+ def _exc_info_to_string(self, err, test):
+ """Converts a sys.exc_info()-style tuple of values into a string."""
+ exctype, value, tb = err
+ # Skip test runner traceback levels
+ while tb and self._is_relevant_tb_level(tb):
+ tb = tb.tb_next
+ if exctype is test.failureException:
+ # Skip assert*() traceback levels
+ length = self._count_relevant_tb_levels(tb)
+ return ''.join(traceback.format_exception(exctype, value, tb, length))
+ return ''.join(traceback.format_exception(exctype, value, tb))
+
+ def _is_relevant_tb_level(self, tb):
+ globs = tb.tb_frame.f_globals
+ is_relevant = '__name__' in globs and \
+ globs["__name__"].startswith("unittest")
+ del globs
+ return is_relevant
+
+ def _count_relevant_tb_levels(self, tb):
+ length = 0
+ while tb and not self._is_relevant_tb_level(tb):
+ length += 1
+ tb = tb.tb_next
+ return length
+
+ def __repr__(self):
+ return "<%s run=%i errors=%i failures=%i>" % \
+ (util.strclass(self.__class__), self.testsRun, len(self.errors),
+ len(self.failures))
diff --git a/Lib/unittest/runner.py b/Lib/unittest/runner.py
new file mode 100644
index 0000000..67839f5
--- /dev/null
+++ b/Lib/unittest/runner.py
@@ -0,0 +1,172 @@
+"""Running tests"""
+
+import sys
+import time
+
+from . import result
+
+
+class _WritelnDecorator(object):
+ """Used to decorate file-like objects with a handy 'writeln' method"""
+ def __init__(self,stream):
+ self.stream = stream
+
+ def __getattr__(self, attr):
+ return getattr(self.stream,attr)
+
+ def writeln(self, arg=None):
+ if arg:
+ self.write(arg)
+ self.write('\n') # text-mode streams translate to \r\n if needed
+
+
+class _TextTestResult(result.TestResult):
+ """A test result class that can print formatted text results to a stream.
+
+ Used by TextTestRunner.
+ """
+ separator1 = '=' * 70
+ separator2 = '-' * 70
+
+ def __init__(self, stream, descriptions, verbosity):
+ super(_TextTestResult, self).__init__()
+ self.stream = stream
+ self.showAll = verbosity > 1
+ self.dots = verbosity == 1
+ self.descriptions = descriptions
+
+ def getDescription(self, test):
+ if self.descriptions:
+ return test.shortDescription() or str(test)
+ else:
+ return str(test)
+
+ def startTest(self, test):
+ super(_TextTestResult, self).startTest(test)
+ if self.showAll:
+ self.stream.write(self.getDescription(test))
+ self.stream.write(" ... ")
+ self.stream.flush()
+
+ def addSuccess(self, test):
+ super(_TextTestResult, self).addSuccess(test)
+ if self.showAll:
+ self.stream.writeln("ok")
+ elif self.dots:
+ self.stream.write('.')
+ self.stream.flush()
+
+ def addError(self, test, err):
+ super(_TextTestResult, self).addError(test, err)
+ if self.showAll:
+ self.stream.writeln("ERROR")
+ elif self.dots:
+ self.stream.write('E')
+ self.stream.flush()
+
+ def addFailure(self, test, err):
+ super(_TextTestResult, self).addFailure(test, err)
+ if self.showAll:
+ self.stream.writeln("FAIL")
+ elif self.dots:
+ self.stream.write('F')
+ self.stream.flush()
+
+ def addSkip(self, test, reason):
+ super(_TextTestResult, self).addSkip(test, reason)
+ if self.showAll:
+ self.stream.writeln("skipped {0!r}".format(reason))
+ elif self.dots:
+ self.stream.write("s")
+ self.stream.flush()
+
+ def addExpectedFailure(self, test, err):
+ super(_TextTestResult, self).addExpectedFailure(test, err)
+ if self.showAll:
+ self.stream.writeln("expected failure")
+ elif self.dots:
+ self.stream.write("x")
+ self.stream.flush()
+
+ def addUnexpectedSuccess(self, test):
+ super(_TextTestResult, self).addUnexpectedSuccess(test)
+ if self.showAll:
+ self.stream.writeln("unexpected success")
+ elif self.dots:
+ self.stream.write("u")
+ self.stream.flush()
+
+ def printErrors(self):
+ if self.dots or self.showAll:
+ self.stream.writeln()
+ self.printErrorList('ERROR', self.errors)
+ self.printErrorList('FAIL', self.failures)
+
+ def printErrorList(self, flavour, errors):
+ for test, err in errors:
+ self.stream.writeln(self.separator1)
+ self.stream.writeln("%s: %s" % (flavour,self.getDescription(test)))
+ self.stream.writeln(self.separator2)
+ self.stream.writeln("%s" % err)
+
+
+class TextTestRunner(object):
+ """A test runner class that displays results in textual form.
+
+ It prints out the names of tests as they are run, errors as they
+ occur, and a summary of the results at the end of the test run.
+ """
+ def __init__(self, stream=sys.stderr, descriptions=1, verbosity=1):
+ self.stream = _WritelnDecorator(stream)
+ self.descriptions = descriptions
+ self.verbosity = verbosity
+
+ def _makeResult(self):
+ return _TextTestResult(self.stream, self.descriptions, self.verbosity)
+
+ def run(self, test):
+ "Run the given test case or test suite."
+ result = self._makeResult()
+ startTime = time.time()
+ startTestRun = getattr(result, 'startTestRun', None)
+ if startTestRun is not None:
+ startTestRun()
+ try:
+ test(result)
+ finally:
+ stopTestRun = getattr(result, 'stopTestRun', None)
+ if stopTestRun is not None:
+ stopTestRun()
+ stopTime = time.time()
+ timeTaken = stopTime - startTime
+ result.printErrors()
+ self.stream.writeln(result.separator2)
+ run = result.testsRun
+ self.stream.writeln("Ran %d test%s in %.3fs" %
+ (run, run != 1 and "s" or "", timeTaken))
+ self.stream.writeln()
+ results = map(len, (result.expectedFailures,
+ result.unexpectedSuccesses,
+ result.skipped))
+ expectedFails, unexpectedSuccesses, skipped = results
+ infos = []
+ if not result.wasSuccessful():
+ self.stream.write("FAILED")
+ failed, errored = map(len, (result.failures, result.errors))
+ if failed:
+ infos.append("failures=%d" % failed)
+ if errored:
+ infos.append("errors=%d" % errored)
+ else:
+ self.stream.write("OK")
+ if skipped:
+ infos.append("skipped=%d" % skipped)
+ if expectedFails:
+ infos.append("expected failures=%d" % expectedFails)
+ if unexpectedSuccesses:
+ infos.append("unexpected successes=%d" % unexpectedSuccesses)
+ if infos:
+ self.stream.writeln(" (%s)" % (", ".join(infos),))
+ else:
+ self.stream.write("\n")
+ return result
diff --git a/Lib/unittest/suite.py b/Lib/unittest/suite.py
new file mode 100644
index 0000000..5fba259
--- /dev/null
+++ b/Lib/unittest/suite.py
@@ -0,0 +1,71 @@
+"""TestSuite"""
+
+from . import case
+
+
+class TestSuite(object):
+ """A test suite is a composite test consisting of a number of TestCases.
+
+ For use, create an instance of TestSuite, then add test case instances.
+ When all tests have been added, the suite can be passed to a test
+ runner, such as TextTestRunner. It will run the individual test cases
+ in the order in which they were added, aggregating the results. When
+ subclassing, do not forget to call the base class constructor.
+ """
+ def __init__(self, tests=()):
+ self._tests = []
+ self.addTests(tests)
+
+ def __repr__(self):
+ return "<%s tests=%s>" % (_strclass(self.__class__), list(self))
+
+ def __eq__(self, other):
+ if not isinstance(other, self.__class__):
+ return NotImplemented
+ return list(self) == list(other)
+
+ def __ne__(self, other):
+ return not self == other
+
+ # Can't guarantee hash invariant, so flag as unhashable
+ __hash__ = None
+
+ def __iter__(self):
+ return iter(self._tests)
+
+ def countTestCases(self):
+ cases = 0
+ for test in self:
+ cases += test.countTestCases()
+ return cases
+
+ def addTest(self, test):
+ # sanity checks
+ if not hasattr(test, '__call__'):
+ raise TypeError("the test to add must be callable")
+ if isinstance(test, type) and issubclass(test,
+ (case.TestCase, TestSuite)):
+ raise TypeError("TestCases and TestSuites must be instantiated "
+ "before passing them to addTest()")
+ self._tests.append(test)
+
+ def addTests(self, tests):
+ if isinstance(tests, basestring):
+ raise TypeError("tests must be an iterable of tests, not a string")
+ for test in tests:
+ self.addTest(test)
+
+ def run(self, result):
+ for test in self:
+ if result.shouldStop:
+ break
+ test(result)
+ return result
+
+ def __call__(self, *args, **kwds):
+ return self.run(*args, **kwds)
+
+ def debug(self):
+ """Run the tests without collecting errors in a TestResult"""
+ for test in self:
+ test.debug()
diff --git a/Lib/unittest/util.py b/Lib/unittest/util.py
new file mode 100644
index 0000000..2546e20
--- /dev/null
+++ b/Lib/unittest/util.py
@@ -0,0 +1,44 @@
+"""Various utility functions."""
+
+def strclass(cls):
+ return "%s.%s" % (cls.__module__, cls.__name__)
+
+def sorted_list_difference(expected, actual):
+ """Finds elements in only one or the other of two, sorted input lists.
+
+ Returns a two-element tuple of lists. The first list contains those
+ elements in the "expected" list but not in the "actual" list, and the
+ second contains those elements in the "actual" list but not in the
+ "expected" list. Duplicate elements in either input list are ignored.
+ """
+ i = j = 0
+ missing = []
+ unexpected = []
+ while True:
+ try:
+ e = expected[i]
+ a = actual[j]
+ if e < a:
+ missing.append(e)
+ i += 1
+ while expected[i] == e:
+ i += 1
+ elif e > a:
+ unexpected.append(a)
+ j += 1
+ while actual[j] == a:
+ j += 1
+ else:
+ i += 1
+ try:
+ while expected[i] == e:
+ i += 1
+ finally:
+ j += 1
+ while actual[j] == a:
+ j += 1
+ except IndexError:
+ missing.extend(expected[i:])
+ unexpected.extend(actual[j:])
+ break
+ return missing, unexpected