Added sample unit tests.

Author: rollerbrick

sampleunittests.py

@@ -0,0 +1,85 @@
+# pip install mock
+# python sampleunittests.py
+
+from unittest import TestCase, main
+from mock import patch
+
+
+# Test Functions and Classes
+def _mock_test_func(value):
+    return value + 2
+
+
+def _test_func_one(value):
+    return value + 1
+
+
+def _test_func_two(value):
+    return value * 2
+
+
+class TestClass(object):
+    def __init__(self):
+        self.number = 0
+
+
+# Sample Tests
+class SampleTests(TestCase):
+    """
+    Basic Example Tests
+    """
+
+    def setUp(self):
+        """ Common Setup For All Tests - Runs before each test """
+        self.obj1 = TestClass()
+        self.obj2 = TestClass()
+
+    # Not used in this example
+    # def tearDown(self):
+    #     """ Common Tear Down For All Tests - Runs after each test """
+
+    def test_basic_asserts(self):
+        """ Demonstrates how to use basic asserts """
+        self.assertEqual(1, 1)
+        self.assertNotEqual(1, 2)
+        self.assertTrue(True)
+        self.assertFalse(False)
+        self.assertIs(self.obj1, self.obj1)
+        self.assertIsNot(self.obj1, self.obj2)
+        self.assertIsNone(None)
+        self.assertIsNotNone(1)
+        self.assertIn(1, [1, 2])
+        self.assertNotIn(1, [2, 3])
+        self.assertIsInstance('1', str)
+        self.assertNotIsInstance(1, str)
+
+    def test_exception(self):
+        """ Demonstrates how to test exceptions """
+        # Test an exception is raised
+        with self.assertRaises(Exception):
+            raise Exception
+
+        # Test that an exception is not raised
+        try:
+            a = 1 + 1
+        except Exception as e:
+            self.fail("Test failed due to exception %s" % str(e))
+
+
+    @patch('__main__._test_func_two', _mock_test_func)
+    @patch('__main__._test_func_one')
+    def test_mock(self, mock1):
+        """ Demonstrates how basic mocking works """
+        _test_func_one(1)
+        _test_func_one(3)
+
+        self.assertTrue(mock1.called)
+        self.assertEqual(mock1.call_count, 2)
+
+        # Uses the mocked function (would equal 2 otherwise)
+        response = _test_func_two(1)
+        self.assertEqual(response, 3)
+
+
+if __name__ == '__main__':
+    main()