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- # Source Generated with Decompyle++
- # File: in.pyc (Python 2.4)
-
- '''Supporting definitions for the Python regression tests.'''
- if __name__ != 'test.test_support':
- raise ImportError, 'test_support must be imported from the test package'
-
- import sys
-
- class Error(Exception):
- '''Base class for regression test exceptions.'''
- pass
-
-
- class TestFailed(Error):
- '''Test failed.'''
- pass
-
-
- class TestSkipped(Error):
- """Test skipped.
-
- This can be raised to indicate that a test was deliberatly
- skipped, but not because a feature wasn't available. For
- example, if some resource can't be used, such as the network
- appears to be unavailable, this should be raised instead of
- TestFailed.
- """
- pass
-
-
- class ResourceDenied(TestSkipped):
- '''Test skipped because it requested a disallowed resource.
-
- This is raised when a test calls requires() for a resource that
- has not be enabled. It is used to distinguish between expected
- and unexpected skips.
- '''
- pass
-
- verbose = 1
- use_resources = None
- _original_stdout = None
-
- def record_original_stdout(stdout):
- global _original_stdout
- _original_stdout = stdout
-
-
- def get_original_stdout():
- if not _original_stdout:
- pass
- return sys.stdout
-
-
- def unload(name):
-
- try:
- del sys.modules[name]
- except KeyError:
- pass
-
-
-
- def forget(modname):
- '''"Forget" a module was ever imported by removing it from sys.modules and
- deleting any .pyc and .pyo files.'''
- unload(modname)
- import os
- for dirname in sys.path:
-
- try:
- os.unlink(os.path.join(dirname, modname + os.extsep + 'pyc'))
- except os.error:
- pass
-
-
- try:
- os.unlink(os.path.join(dirname, modname + os.extsep + 'pyo'))
- continue
- except os.error:
- continue
-
-
-
-
-
- def is_resource_enabled(resource):
- '''Test whether a resource is enabled. Known resources are set by
- regrtest.py.'''
- if use_resources is not None:
- pass
- return resource in use_resources
-
-
- def requires(resource, msg = None):
- """Raise ResourceDenied if the specified resource is not available.
-
- If the caller's module is __main__ then automatically return True. The
- possibility of False being returned occurs when regrtest.py is executing."""
- if sys._getframe().f_back.f_globals.get('__name__') == '__main__':
- return None
-
- if not is_resource_enabled(resource):
- if msg is None:
- msg = "Use of the `%s' resource not enabled" % resource
-
- raise ResourceDenied(msg)
-
-
- FUZZ = 9.9999999999999995e-07
-
- def fcmp(x, y):
- if type(x) == type(0.0) or type(y) == type(0.0):
-
- try:
- (x, y) = coerce(x, y)
- fuzz = (abs(x) + abs(y)) * FUZZ
- if abs(x - y) <= fuzz:
- return 0
-
- elif type(x) == type(y) and type(x) in (type(()), type([])):
- for i in range(min(len(x), len(y))):
- outcome = fcmp(x[i], y[i])
- if outcome != 0:
- return outcome
- continue
-
- return cmp(len(x), len(y))
-
- return cmp(x, y)
-
-
- try:
- unicode
- have_unicode = 1
- except NameError:
- have_unicode = 0
-
- is_jython = sys.platform.startswith('java')
- import os
- if os.name == 'java':
- TESTFN = '$test'
- elif os.name == 'riscos':
- TESTFN = 'testfile'
- else:
- TESTFN = '@test'
- if have_unicode:
- if isinstance('', unicode):
- TESTFN_UNICODE = '@test-\xe0\xf2'
- else:
- TESTFN_UNICODE = unicode('@test-\xe0\xf2', 'latin-1')
- TESTFN_ENCODING = sys.getfilesystemencoding()
- if not hasattr(sys, 'getwindowsversion') or sys.getwindowsversion()[3] < 2:
- TESTFN_UNICODE_UNENCODEABLE = None
- else:
- TESTFN_UNICODE_UNENCODEABLE = eval('u"@test-\\u5171\\u6709\\u3055\\u308c\\u308b"')
-
- try:
- TESTFN_UNICODE_UNENCODEABLE.encode('Latin1')
- except UnicodeEncodeError:
- pass
-
- print 'WARNING: The filename %r CAN be encoded by the filesystem. Unicode filename tests may not be effective' % TESTFN_UNICODE_UNENCODEABLE
-
- fp = None
-
- try:
- fp = open(TESTFN, 'w+')
- except IOError:
- TMP_TESTFN = os.path.join('/tmp', TESTFN)
-
- try:
- fp = open(TMP_TESTFN, 'w+')
- TESTFN = TMP_TESTFN
- del TMP_TESTFN
- except IOError:
- print 'WARNING: tests will fail, unable to write to: %s or %s' % (TESTFN, TMP_TESTFN)
- except:
- None<EXCEPTION MATCH>IOError
-
-
- None<EXCEPTION MATCH>IOError
-
- if fp is not None:
- fp.close()
-
- try:
- os.unlink(TESTFN)
-
-
- del os
- del fp
- from os import unlink
-
- def findfile(file, here = __file__):
- '''Try to find a file on sys.path and the working directory. If it is not
- found the argument passed to the function is returned (this does not
- necessarily signal failure; could still be the legitimate path).'''
- import os
- if os.path.isabs(file):
- return file
-
- path = sys.path
- path = [
- os.path.dirname(here)] + path
- for dn in path:
- fn = os.path.join(dn, file)
- if os.path.exists(fn):
- return fn
- continue
-
- return file
-
-
- def verify(condition, reason = 'test failed'):
- '''Verify that condition is true. If not, raise TestFailed.
-
- The optional argument reason can be given to provide
- a better error text.
- '''
- if not condition:
- raise TestFailed(reason)
-
-
-
- def vereq(a, b):
- '''Raise TestFailed if a == b is false.
-
- This is better than verify(a == b) because, in case of failure, the
- error message incorporates repr(a) and repr(b) so you can see the
- inputs.
-
- Note that "not (a == b)" isn\'t necessarily the same as "a != b"; the
- former is tested.
- '''
- if not a == b:
- raise TestFailed, '%r == %r' % (a, b)
-
-
-
- def sortdict(dict):
- '''Like repr(dict), but in sorted order.'''
- items = dict.items()
- items.sort()
- reprpairs = [ '%r: %r' % pair for pair in items ]
- withcommas = ', '.join(reprpairs)
- return '{%s}' % withcommas
-
-
- def check_syntax(statement):
-
- try:
- compile(statement, '<string>', 'exec')
- except SyntaxError:
- pass
-
- print 'Missing SyntaxError: "%s"' % statement
-
- import unittest
-
- class BasicTestRunner:
-
- def run(self, test):
- result = unittest.TestResult()
- test(result)
- return result
-
-
-
- def run_suite(suite, testclass = None):
- '''Run tests from a unittest.TestSuite-derived class.'''
- if verbose:
- runner = unittest.TextTestRunner(sys.stdout, verbosity = 2)
- else:
- runner = BasicTestRunner()
- result = runner.run(suite)
- if not result.wasSuccessful():
- if len(result.errors) == 1 and not (result.failures):
- err = result.errors[0][1]
- elif len(result.failures) == 1 and not (result.errors):
- err = result.failures[0][1]
- elif testclass is None:
- msg = 'errors occurred; run in verbose mode for details'
- else:
- msg = 'errors occurred in %s.%s' % (testclass.__module__, testclass.__name__)
- raise TestFailed(msg)
- raise TestFailed(err)
-
-
-
- def run_unittest(*classes):
- '''Run tests from unittest.TestCase-derived classes.'''
- suite = unittest.TestSuite()
- for cls in classes:
- if isinstance(cls, (unittest.TestSuite, unittest.TestCase)):
- suite.addTest(cls)
- continue
- suite.addTest(unittest.makeSuite(cls))
-
- if len(classes) == 1:
- testclass = classes[0]
- else:
- testclass = None
- run_suite(suite, testclass)
-
-
- def run_doctest(module, verbosity = None):
- """Run doctest on the given module. Return (#failures, #tests).
-
- If optional argument verbosity is not specified (or is None), pass
- test_support's belief about verbosity on to doctest. Else doctest's
- usual behavior is used (it searches sys.argv for -v).
- """
- import doctest
- if verbosity is None:
- verbosity = verbose
- else:
- verbosity = None
- save_stdout = sys.stdout
- sys.stdout = get_original_stdout()
-
- try:
- (f, t) = doctest.testmod(module, verbose = verbosity)
- if f:
- raise TestFailed('%d of %d doctests failed' % (f, t))
- finally:
- sys.stdout = save_stdout
-
- if verbose:
- print 'doctest (%s) ... %d tests with zero failures' % (module.__name__, t)
-
- return (f, t)
-
-