RAHHH

backend/lib/python3.12/site-packages/twisted/trial/test/test_testcase.py

@@ -0,0 +1,68 @@
+# Copyright (c) Twisted Matrix Laboratories.
+# See LICENSE for details.
+
+"""
+Direct unit tests for L{twisted.trial.unittest.SynchronousTestCase} and
+L{twisted.trial.unittest.TestCase}.
+"""
+
+
+from twisted.trial.unittest import SynchronousTestCase, TestCase
+
+
+class TestCaseMixin:
+    """
+    L{TestCase} tests.
+    """
+
+    def setUp(self):
+        """
+        Create a couple instances of C{MyTestCase}, each for the same test
+        method, to be used in the test methods of this class.
+        """
+        self.first = self.MyTestCase("test_1")
+        self.second = self.MyTestCase("test_1")
+
+    def test_equality(self):
+        """
+        In order for one test method to be runnable twice, two TestCase
+        instances with the same test method name must not compare as equal.
+        """
+        self.assertTrue(self.first == self.first)
+        self.assertTrue(self.first != self.second)
+        self.assertFalse(self.first == self.second)
+
+    def test_hashability(self):
+        """
+        In order for one test method to be runnable twice, two TestCase
+        instances with the same test method name should not have the same
+        hash value.
+        """
+        container = {}
+        container[self.first] = None
+        container[self.second] = None
+        self.assertEqual(len(container), 2)
+
+
+class SynchronousTestCaseTests(TestCaseMixin, SynchronousTestCase):
+    class MyTestCase(SynchronousTestCase):
+        """
+        Some test methods which can be used to test behaviors of
+        L{SynchronousTestCase}.
+        """
+
+        def test_1(self):
+            pass
+
+
+# Yes, subclass SynchronousTestCase again.  There are no interesting behaviors
+# of self being tested below, only of self.MyTestCase.
+class AsynchronousTestCaseTests(TestCaseMixin, SynchronousTestCase):
+    class MyTestCase(TestCase):
+        """
+        Some test methods which can be used to test behaviors of
+        L{TestCase}.
+        """
+
+        def test_1(self):
+            pass