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# Source Generated with Decompyle++
# File: in.pyc (Python 2.7)
'''Loading unittests.'''
import os
import re
import sys
import traceback
import types
from functools import cmp_to_key as _CmpToKey
from fnmatch import fnmatch
from import case, suite
__unittest = True
VALID_MODULE_NAME = re.compile('[_a-z]\\w*\\.py$', re.IGNORECASE)
def _make_failed_import_test(name, suiteClass):
message = 'Failed to import test module: %s\n%s' % (name, traceback.format_exc())
return _make_failed_test('ModuleImportFailure', name, ImportError(message), suiteClass)
def _make_failed_load_tests(name, exception, suiteClass):
return _make_failed_test('LoadTestsFailure', name, exception, suiteClass)
def _make_failed_test(classname, methodname, exception, suiteClass):
def testFailure(self):
raise exception
attrs = {
methodname: testFailure }
TestClass = type(classname, (case.TestCase,), attrs)
return suiteClass((TestClass(methodname),))
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))
continue
load_tests = getattr(module, 'load_tests', None)
tests = self.suiteClass(tests)
if use_load_tests and load_tests is not None:
try:
return load_tests(self, tests, None)
except Exception:
e = None
return _make_failed_load_tests(module.__name__, e, self.suiteClass)
return 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))
continue
except ImportError:
del parts_copy[-1]
if not parts_copy:
raise
continue
parts = parts[1:]
obj = module
for part in parts:
parent = obj
obj = getattr(obj, part)
if isinstance(obj, types.ModuleType):
return self.loadTestsFromModule(obj)
if None(obj, type) and issubclass(obj, case.TestCase):
return self.loadTestsFromTestCase(obj)
if None(obj, types.UnboundMethodType) and isinstance(parent, type) and issubclass(parent, case.TestCase):
name = parts[-1]
inst = parent(name)
return self.suiteClass([
inst])
if None(obj, suite.TestSuite):
return obj
if None(obj, '__call__'):
test = obj()
if isinstance(test, suite.TestSuite):
return test
if None(test, case.TestCase):
return self.suiteClass([
test])
raise None('calling %s returned %s, not a test' % (obj, test))
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):
if attrname.startswith(prefix):
pass
return 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().
"""
set_implicit_top = False
if top_level_dir is None and self._top_level_dir is not None:
top_level_dir = self._top_level_dir
elif top_level_dir is None:
set_implicit_top = True
top_level_dir = start_dir
top_level_dir = os.path.abspath(top_level_dir)
if top_level_dir not in sys.path:
sys.path.insert(0, top_level_dir)
self._top_level_dir = top_level_dir
is_not_importable = False
if os.path.isdir(os.path.abspath(start_dir)):
start_dir = os.path.abspath(start_dir)
if start_dir != top_level_dir:
is_not_importable = not os.path.isfile(os.path.join(start_dir, '__init__.py'))
else:
try:
__import__(start_dir)
except ImportError:
is_not_importable = True
the_module = sys.modules[start_dir]
top_part = start_dir.split('.')[0]
start_dir = os.path.abspath(os.path.dirname(the_module.__file__))
if set_implicit_top:
self._top_level_dir = self._get_directory_containing_module(top_part)
sys.path.remove(top_level_dir)
if is_not_importable:
raise ImportError('Start directory is not importable: %r' % start_dir)
tests = list(self._find_tests(start_dir, pattern))
return self.suiteClass(tests)
def _get_directory_containing_module(self, module_name):
module = sys.modules[module_name]
full_path = os.path.abspath(module.__file__)
if os.path.basename(full_path).lower().startswith('__init__.py'):
return os.path.dirname(os.path.dirname(full_path))
return None.path.dirname(full_path)
def _get_name_from_path(self, path):
path = os.path.splitext(os.path.normpath(path))[0]
_relpath = os.path.relpath(path, self._top_level_dir)
if not not os.path.isabs(_relpath):
raise AssertionError('Path must be within the project')
if not not None.startswith('..'):
raise AssertionError('Path must be within the project')
name = None.replace(os.path.sep, '.')
return name
def _get_module_from_name(self, name):
__import__(name)
return sys.modules[name]
def _match_path(self, path, full_path, pattern):
return fnmatch(path, pattern)
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)
if os.path.isfile(full_path):
if not VALID_MODULE_NAME.match(path):
continue
if not self._match_path(path, full_path, pattern):
continue
name = self._get_name_from_path(full_path)
try:
module = self._get_module_from_name(name)
except:
yield _make_failed_import_test(name, self.suiteClass)
mod_file = os.path.abspath(getattr(module, '__file__', full_path))
realpath = os.path.splitext(os.path.realpath(mod_file))[0]
fullpath_noext = os.path.splitext(os.path.realpath(full_path))[0]
if realpath.lower() != fullpath_noext.lower():
module_dir = os.path.dirname(realpath)
mod_name = os.path.splitext(os.path.basename(full_path))[0]
expected_dir = os.path.dirname(full_path)
msg = '%r module incorrectly imported from %r. Expected %r. Is this module globally installed?'
raise ImportError(msg % (mod_name, module_dir, expected_dir))
yield self.loadTestsFromModule(module)
continue
if not os.path.isdir(full_path) or os.path.isfile(os.path.join(full_path, '__init__.py')):
continue
load_tests = None
tests = None
if fnmatch(path, pattern):
name = self._get_name_from_path(full_path)
package = self._get_module_from_name(name)
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:
yield tests
for test in self._find_tests(full_path, pattern):
yield test
else:
try:
yield load_tests(self, tests, pattern)
except Exception:
e = None
yield _make_failed_load_tests(package.__name__, e, self.suiteClass)
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)