1 files changed, 118 insertions, 0 deletions
diff --git a/Lib/unittest/test/support.py b/Lib/unittest/test/support.py
new file mode 100644
index 0000000000..dbe4ddcd0e
--- /dev/null
+++ b/Lib/unittest/test/support.py
@@ -0,0 +1,118 @@
+import unittest
+
+
+class TestEquality(object):
+    """Used as a mixin for TestCase"""
+
+    # Check for a valid __eq__ implementation
+    def test_eq(self):
+        for obj_1, obj_2 in self.eq_pairs:
+            self.assertEqual(obj_1, obj_2)
+            self.assertEqual(obj_2, obj_1)
+
+    # Check for a valid __ne__ implementation
+    def test_ne(self):
+        for obj_1, obj_2 in self.ne_pairs:
+            self.assertNotEqual(obj_1, obj_2)
+            self.assertNotEqual(obj_2, obj_1)
+
+class TestHashing(object):
+    """Used as a mixin for TestCase"""
+
+    # Check for a valid __hash__ implementation
+    def test_hash(self):
+        for obj_1, obj_2 in self.eq_pairs:
+            try:
+                if not hash(obj_1) == hash(obj_2):
+                    self.fail("%r and %r do not hash equal" % (obj_1, obj_2))
+            except KeyboardInterrupt:
+                raise
+            except Exception as e:
+                self.fail("Problem hashing %r and %r: %s" % (obj_1, obj_2, e))
+
+        for obj_1, obj_2 in self.ne_pairs:
+            try:
+                if hash(obj_1) == hash(obj_2):
+                    self.fail("%s and %s hash equal, but shouldn't" %
+                              (obj_1, obj_2))
+            except KeyboardInterrupt:
+                raise
+            except Exception as e:
+                self.fail("Problem hashing %s and %s: %s" % (obj_1, obj_2, e))
+
+
+class LoggingResult(unittest.TestResult):
+    def __init__(self, log):
+        self._events = log
+        super().__init__()
+
+    def startTest(self, test):
+        self._events.append('startTest')
+        super().startTest(test)
+
+    def startTestRun(self):
+        self._events.append('startTestRun')
+        super(LoggingResult, self).startTestRun()
+
+    def stopTest(self, test):
+        self._events.append('stopTest')
+        super().stopTest(test)
+
+    def stopTestRun(self):
+        self._events.append('stopTestRun')
+        super(LoggingResult, self).stopTestRun()
+
+    def addFailure(self, *args):
+        self._events.append('addFailure')
+        super().addFailure(*args)
+
+    def addSuccess(self, *args):
+        self._events.append('addSuccess')
+        super(LoggingResult, self).addSuccess(*args)
+
+    def addError(self, *args):
+        self._events.append('addError')
+        super().addError(*args)
+
+    def addSkip(self, *args):
+        self._events.append('addSkip')
+        super(LoggingResult, self).addSkip(*args)
+
+    def addExpectedFailure(self, *args):
+        self._events.append('addExpectedFailure')
+        super(LoggingResult, self).addExpectedFailure(*args)
+
+    def addUnexpectedSuccess(self, *args):
+        self._events.append('addUnexpectedSuccess')
+        super(LoggingResult, self).addUnexpectedSuccess(*args)
+
+
+class ResultWithNoStartTestRunStopTestRun(object):
+    """An object honouring TestResult before startTestRun/stopTestRun."""
+
+    def __init__(self):
+        self.failures = []
+        self.errors = []
+        self.testsRun = 0
+        self.skipped = []
+        self.expectedFailures = []
+        self.unexpectedSuccesses = []
+        self.shouldStop = False
+
+    def startTest(self, test):
+        pass
+
+    def stopTest(self, test):
+        pass
+
+    def addError(self, test):
+        pass
+
+    def addFailure(self, test):
+        pass
+
+    def addSuccess(self, test):
+        pass
+
+    def wasSuccessful(self):
+        return True