Ausgabe der neuen DB Einträge

venv/lib/python3.9/site-packages/twisted/trial/_asyncrunner.py

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+# -*- test-case-name: twisted.trial.test -*-
+# Copyright (c) Twisted Matrix Laboratories.
+# See LICENSE for details.
+
+"""
+Infrastructure for test running and suites.
+"""
+
+from __future__ import division, absolute_import
+
+import doctest
+import gc
+
+from twisted.python import components
+
+from twisted.trial import itrial, reporter
+from twisted.trial._synctest import _logObserver
+
+pyunit = __import__('unittest')
+
+from zope.interface import implementer
+
+
+
+class TestSuite(pyunit.TestSuite):
+    """
+    Extend the standard library's C{TestSuite} with a consistently overrideable
+    C{run} method.
+    """
+
+    def run(self, result):
+        """
+        Call C{run} on every member of the suite.
+        """
+        for test in self._tests:
+            if result.shouldStop:
+                break
+            test(result)
+        return result
+
+
+
+@implementer(itrial.ITestCase)
+class TestDecorator(components.proxyForInterface(itrial.ITestCase,
+                                                 "_originalTest")):
+    """
+    Decorator for test cases.
+
+    @param _originalTest: The wrapped instance of test.
+    @type _originalTest: A provider of L{itrial.ITestCase}
+    """
+
+    def __call__(self, result):
+        """
+        Run the unit test.
+
+        @param result: A TestResult object.
+        """
+        return self.run(result)
+
+
+    def run(self, result):
+        """
+        Run the unit test.
+
+        @param result: A TestResult object.
+        """
+        return self._originalTest.run(
+            reporter._AdaptedReporter(result, self.__class__))
+
+
+
+def _clearSuite(suite):
+    """
+    Clear all tests from C{suite}.
+
+    This messes with the internals of C{suite}. In particular, it assumes that
+    the suite keeps all of its tests in a list in an instance variable called
+    C{_tests}.
+    """
+    suite._tests = []
+
+
+
+def decorate(test, decorator):
+    """
+    Decorate all test cases in C{test} with C{decorator}.
+
+    C{test} can be a test case or a test suite. If it is a test suite, then the
+    structure of the suite is preserved.
+
+    L{decorate} tries to preserve the class of the test suites it finds, but
+    assumes the presence of the C{_tests} attribute on the suite.
+
+    @param test: The C{TestCase} or C{TestSuite} to decorate.
+
+    @param decorator: A unary callable used to decorate C{TestCase}s.
+
+    @return: A decorated C{TestCase} or a C{TestSuite} containing decorated
+        C{TestCase}s.
+    """
+
+    try:
+        tests = iter(test)
+    except TypeError:
+        return decorator(test)
+
+    # At this point, we know that 'test' is a test suite.
+    _clearSuite(test)
+
+    for case in tests:
+        test.addTest(decorate(case, decorator))
+    return test
+
+
+
+class _PyUnitTestCaseAdapter(TestDecorator):
+    """
+    Adapt from pyunit.TestCase to ITestCase.
+    """
+
+
+
+class _BrokenIDTestCaseAdapter(_PyUnitTestCaseAdapter):
+    """
+    Adapter for pyunit-style C{TestCase} subclasses that have undesirable id()
+    methods. That is C{unittest.FunctionTestCase} and C{unittest.DocTestCase}.
+    """
+
+    def id(self):
+        """
+        Return the fully-qualified Python name of the doctest.
+        """
+        testID = self._originalTest.shortDescription()
+        if testID is not None:
+            return testID
+        return self._originalTest.id()
+
+
+
+class _ForceGarbageCollectionDecorator(TestDecorator):
+    """
+    Forces garbage collection to be run before and after the test. Any errors
+    logged during the post-test collection are added to the test result as
+    errors.
+    """
+
+    def run(self, result):
+        gc.collect()
+        TestDecorator.run(self, result)
+        _logObserver._add()
+        gc.collect()
+        for error in _logObserver.getErrors():
+            result.addError(self, error)
+        _logObserver.flushErrors()
+        _logObserver._remove()
+
+
+components.registerAdapter(
+    _PyUnitTestCaseAdapter, pyunit.TestCase, itrial.ITestCase)
+
+
+components.registerAdapter(
+    _BrokenIDTestCaseAdapter, pyunit.FunctionTestCase, itrial.ITestCase)
+
+
+_docTestCase = getattr(doctest, 'DocTestCase', None)
+if _docTestCase:
+    components.registerAdapter(
+        _BrokenIDTestCaseAdapter, _docTestCase, itrial.ITestCase)
+
+
+
+def _iterateTests(testSuiteOrCase):
+    """
+    Iterate through all of the test cases in C{testSuiteOrCase}.
+    """
+    try:
+        suite = iter(testSuiteOrCase)
+    except TypeError:
+        yield testSuiteOrCase
+    else:
+        for test in suite:
+            for subtest in _iterateTests(test):
+                yield subtest