Adding chapter 5 source code

Chapter5/myunittest/tests/tests_myadd/__init__.py

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+#empty file

Chapter5/myunittest/tests/tests_myadd/test_myadd1.py

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+#test_myadd1.py test suite for myadd function
+import unittest
+from myunittest.src.myadd.myadd import add
+
+class MyAddTestSuite(unittest.TestCase):
+
+    def test_add1(self):
+        """ test case to validate two positive numbers"""
+        self.assertEqual(15, add(10 , 5), "should be 15")
+
+    def test_add2(self):
+        """ test case to validate positive and negative numbers"""
+        self.assertEqual(5, add(10 , -5), "should be 5")
+
+    def test_add3(self):
+        """ test case to validate positive and negative numbers"""
+        self.assertEqual(-5, add(-10 , 5), "should be -5")
+
+    def test_add4(self):
+        """ test case to validate two negative numbers"""
+        self.assertEqual(-15, add(-10 , -5), "should be -15")
+
+if __name__ == '__main__':
+    unittest.main()

Chapter5/myunittest/tests/tests_myadd/test_myadd2.py

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+#test_myadd2.py test suite for myadd2 class method
+import unittest
+from myunittest.src.myadd.myadd2 import MyAdd
+
+class MyAddTestSuite(unittest.TestCase):
+    def setUp(self):
+        self.myadd = MyAdd()
+
+    def tearDown(self):
+        del (self.myadd)
+
+    def test_add1(self):
+       """ test case to validate two positive numbers"""
+       self.assertEqual(15, self.myadd.add(10 , 5), "should be 15")
+
+    def test_add2(self):
+        """ test case to validate positive and negative numbers"""
+        self.assertEqual(5, self.myadd.add(10 , -5), "should be 5")
+
+    def test_add3(self):
+        """ test case to validate positive and negative numbers"""
+        self.assertEqual(-5, self.myadd.add(-10 , 5), "should be -5")
+
+    def test_add4(self):
+        """ test case to validate two negative numbers"""
+        self.assertEqual(-15, self.myadd.add(-10 , -5), "should be -15")
+
+if __name__ == '__main__':
+    unittest.main()
+

Chapter5/myunittest/tests/tests_myadd/test_myadd3.py

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+#test_myadd3.py test suite for myadd2 class method to validate errors
+import unittest
+from myunittest.src.myadd.myadd2 import MyAdd
+
+class MyAddTestSuite(unittest.TestCase):
+    def setUp(self):
+        self.myadd = MyAdd()
+
+    def test_typeerror1(self):
+        """ test case to check if we can handle non number input"""
+        self.assertRaises(TypeError, self.myadd.add, 'a' , -5)
+
+    def test_typeerror2(self):
+        """ test case to check if we can handle non number input"""
+        self.assertRaises(TypeError, self.myadd.add, 'a' , 'b')
+
+if __name__ == '__main__':
+    unittest.main()
+