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How to use _CmpToKey method in autotest

Best Python code snippet using autotest_python

loader.py

Source:loader.py

...8from fnmatch import fnmatch9from unittest2 import case, suite10import unittest2.compatibility1112def _CmpToKey(mycmp):1314    class K(object):1516        def __init__(self, obj):17            self.obj = obj1819        def __lt__(self, other):20            return mycmp(self.obj, other.obj) == -12122    return K232425VALID_MODULE_NAME = re.compile('[_a-z]\\w*\\.py$', re.IGNORECASE)2627def _make_failed_import_test(name, suiteClass):28    message = 'Failed to import test module: %s' % name29    if hasattr(traceback, 'format_exc'):30        message += '\n%s' % traceback.format_exc()3132    def testImportFailure(self):33        raise ImportError(message)3435    attrs = {name: testImportFailure}36    ModuleImportFailure = type('ModuleImportFailure', (case.TestCase,), attrs)37    return suiteClass((ModuleImportFailure(name),))383940class TestLoader(unittest.TestLoader):41    testMethodPrefix = 'test'42    sortTestMethodsUsing = cmp43    suiteClass = suite.TestSuite44    _top_level_dir = None4546    def loadTestsFromTestCase(self, testCaseClass):47        if issubclass(testCaseClass, suite.TestSuite):48            raise TypeError('Test cases should not be derived from TestSuite. Maybe you meant to derive from TestCase?')49        testCaseNames = self.getTestCaseNames(testCaseClass)50        if not testCaseNames and hasattr(testCaseClass, 'runTest'):51            testCaseNames = ['runTest']52        loaded_suite = self.suiteClass(map(testCaseClass, testCaseNames))53        return loaded_suite5455    def loadTestsFromModule(self, module, use_load_tests = True):56        tests = []57        for name in dir(module):58            obj = getattr(module, name)59            if isinstance(obj, type) and issubclass(obj, unittest.TestCase):60                tests.append(self.loadTestsFromTestCase(obj))6162        load_tests = getattr(module, 'load_tests', None)63        tests = self.suiteClass(tests)64        if use_load_tests and load_tests is not None:65            return load_tests(self, tests, None)66        return tests6768    def loadTestsFromName(self, name, module = None):69        parts = name.split('.')70        if module is None:71            parts_copy = parts[:]72            while parts_copy:73                try:74                    module = __import__('.'.join(parts_copy))75                    break76                except ImportError:77                    del parts_copy[-1]78                    if not parts_copy:79                        raise8081            parts = parts[1:]82        obj = module83        for part in parts:84            parent, obj = obj, getattr(obj, part)8586        if isinstance(obj, types.ModuleType):87            return self.loadTestsFromModule(obj)88        if isinstance(obj, type) and issubclass(obj, unittest.TestCase):89            return self.loadTestsFromTestCase(obj)90        if isinstance(obj, types.UnboundMethodType) and isinstance(parent, type) and issubclass(parent, case.TestCase):91            return self.suiteClass([parent(obj.__name__)])92        if isinstance(obj, unittest.TestSuite):93            return obj94        if hasattr(obj, '__call__'):95            test = obj()96            if isinstance(test, unittest.TestSuite):97                return test98            if isinstance(test, unittest.TestCase):99                return self.suiteClass([test])100            raise TypeError('calling %s returned %s, not a test' % (obj, test))101        else:102            raise TypeError("don't know how to make test from: %s" % obj)103104    def loadTestsFromNames(self, names, module = None):105        suites = [ self.loadTestsFromName(name, module) for name in names ]106        return self.suiteClass(suites)107108    def getTestCaseNames(self, testCaseClass):109110        def isTestMethod(attrname, testCaseClass = testCaseClass, prefix = self.testMethodPrefix):111            return attrname.startswith(prefix) and hasattr(getattr(testCaseClass, attrname), '__call__')112113        testFnNames = filter(isTestMethod, dir(testCaseClass))114        if self.sortTestMethodsUsing:115            testFnNames.sort(key=_CmpToKey(self.sortTestMethodsUsing))116        return testFnNames117118    def discover(self, start_dir, pattern = 'test*.py', top_level_dir = None):119        if top_level_dir is None and self._top_level_dir is not None:120            top_level_dir = self._top_level_dir121        elif top_level_dir is None:122            top_level_dir = start_dir123        top_level_dir = os.path.abspath(os.path.normpath(top_level_dir))124        start_dir = os.path.abspath(os.path.normpath(start_dir))125        if top_level_dir not in sys.path:126            sys.path.append(top_level_dir)127        self._top_level_dir = top_level_dir128        if start_dir != top_level_dir and not os.path.isfile(os.path.join(start_dir, '__init__.py')):129            raise ImportError('Start directory is not importable: %r' % start_dir)
...

testorder.py

Source:testorder.py

...11            return attrname.startswith(prefix) and \12                hasattr(getattr(testCaseClass, attrname), '__call__')13        testFns = [getattr(testCaseClass, t) for t in filter(isTestMethod, dir(testCaseClass))]14        if self.sortTestMethodsUsing:15            testFns.sort(key=_CmpToKey(self.sortTestMethodsUsing))16        return [n.__name__ for n in testFns]17def testorder_cmp(self, tc1, tc2):18	if hasattr(tc1, '__order__') and hasattr(tc2, '__order__'):19		return cmp(tc1.__order__, tc2.__order__)20	else:21		return cmp(tc1.__name__, tc2.__name__)22orig_TestLoader_sortTestMethodsUsing = None23orig_TestLoader_getTestCaseNames = None24def replace_default_ordering():25	orig_TestLoader_getTestCaseNames = TestLoader.getTestCaseNames26	TestLoader.getTestCaseNames = testorder_getTestCaseNames27	orig_TestLoader_sortTestMethodsUsing = TestLoader.sortTestMethodsUsing28	TestLoader.sortTestMethodsUsing = testorder_cmp29def restore_default_ordering():...

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