1 files changed, 144 insertions, 0 deletions
diff --git a/Lib/unittest/test/test_functiontestcase.py b/Lib/unittest/test/test_functiontestcase.py
new file mode 100644
index 0000000000..9ce5ee3556
--- /dev/null
+++ b/Lib/unittest/test/test_functiontestcase.py
@@ -0,0 +1,144 @@
+import unittest
+
+from .support import LoggingResult
+
+
+class Test_FunctionTestCase(unittest.TestCase):
+
+    # "Return the number of tests represented by the this test object. For
+    # TestCase instances, this will always be 1"
+    def test_countTestCases(self):
+        test = unittest.FunctionTestCase(lambda: None)
+
+        self.assertEqual(test.countTestCases(), 1)
+
+    # "When a setUp() method is defined, the test runner will run that method
+    # prior to each test. Likewise, if a tearDown() method is defined, the
+    # test runner will invoke that method after each test. In the example,
+    # setUp() was used to create a fresh sequence for each test."
+    #
+    # Make sure the proper call order is maintained, even if setUp() raises
+    # an exception.
+    def test_run_call_order__error_in_setUp(self):
+        events = []
+        result = LoggingResult(events)
+
+        def setUp():
+            events.append('setUp')
+            raise RuntimeError('raised by setUp')
+
+        def test():
+            events.append('test')
+
+        def tearDown():
+            events.append('tearDown')
+
+        expected = ['startTest', 'setUp', 'addError', 'stopTest']
+        unittest.FunctionTestCase(test, setUp, tearDown).run(result)
+        self.assertEqual(events, expected)
+
+    # "When a setUp() method is defined, the test runner will run that method
+    # prior to each test. Likewise, if a tearDown() method is defined, the
+    # test runner will invoke that method after each test. In the example,
+    # setUp() was used to create a fresh sequence for each test."
+    #
+    # Make sure the proper call order is maintained, even if the test raises
+    # an error (as opposed to a failure).
+    def test_run_call_order__error_in_test(self):
+        events = []
+        result = LoggingResult(events)
+
+        def setUp():
+            events.append('setUp')
+
+        def test():
+            events.append('test')
+            raise RuntimeError('raised by test')
+
+        def tearDown():
+            events.append('tearDown')
+
+        expected = ['startTest', 'setUp', 'test', 'tearDown',
+                    'addError', 'stopTest']
+        unittest.FunctionTestCase(test, setUp, tearDown).run(result)
+        self.assertEqual(events, expected)
+
+    # "When a setUp() method is defined, the test runner will run that method
+    # prior to each test. Likewise, if a tearDown() method is defined, the
+    # test runner will invoke that method after each test. In the example,
+    # setUp() was used to create a fresh sequence for each test."
+    #
+    # Make sure the proper call order is maintained, even if the test signals
+    # a failure (as opposed to an error).
+    def test_run_call_order__failure_in_test(self):
+        events = []
+        result = LoggingResult(events)
+
+        def setUp():
+            events.append('setUp')
+
+        def test():
+            events.append('test')
+            self.fail('raised by test')
+
+        def tearDown():
+            events.append('tearDown')
+
+        expected = ['startTest', 'setUp', 'test', 'tearDown',
+                    'addFailure', 'stopTest']
+        unittest.FunctionTestCase(test, setUp, tearDown).run(result)
+        self.assertEqual(events, expected)
+
+    # "When a setUp() method is defined, the test runner will run that method
+    # prior to each test. Likewise, if a tearDown() method is defined, the
+    # test runner will invoke that method after each test. In the example,
+    # setUp() was used to create a fresh sequence for each test."
+    #
+    # Make sure the proper call order is maintained, even if tearDown() raises
+    # an exception.
+    def test_run_call_order__error_in_tearDown(self):
+        events = []
+        result = LoggingResult(events)
+
+        def setUp():
+            events.append('setUp')
+
+        def test():
+            events.append('test')
+
+        def tearDown():
+            events.append('tearDown')
+            raise RuntimeError('raised by tearDown')
+
+        expected = ['startTest', 'setUp', 'test', 'tearDown', 'addError',
+                    'stopTest']
+        unittest.FunctionTestCase(test, setUp, tearDown).run(result)
+        self.assertEqual(events, expected)
+
+    # "Return a string identifying the specific test case."
+    #
+    # Because of the vague nature of the docs, I'm not going to lock this
+    # test down too much. Really all that can be asserted is that the id()
+    # will be a string (either 8-byte or unicode -- again, because the docs
+    # just say "string")
+    def test_id(self):
+        test = unittest.FunctionTestCase(lambda: None)
+
+        self.assertIsInstance(test.id(), str)
+
+    # "Returns a one-line description of the test, or None if no description
+    # has been provided. The default implementation of this method returns
+    # the first line of the test method's docstring, if available, or None."
+    def test_shortDescription__no_docstring(self):
+        test = unittest.FunctionTestCase(lambda: None)
+
+        self.assertEqual(test.shortDescription(), None)
+
+    # "Returns a one-line description of the test, or None if no description
+    # has been provided. The default implementation of this method returns
+    # the first line of the test method's docstring, if available, or None."
+    def test_shortDescription__singleline_docstring(self):
+        desc = "this tests foo"
+        test = unittest.FunctionTestCase(lambda: None, description=desc)
+
+        self.assertEqual(test.shortDescription(), "this tests foo")