TDD training - assignment

FizzBuzz.py

@@ -1,6 +1,7 @@
 """
 Q1. Why is the report method untestable ? [2 pts]
 
+Report_file open and path is external collaborative (platform and system environment dependent) which is handled in the function so it is untestable.
 
 
 
@@ -10,27 +11,24 @@
 
 """
 class FizzBuzz(object):
-    def report(self, numbers):
-
-        report_file = open('c:/temp/fizzbuzz_report.txt', 'w')
-
+    def report(self, numbers, file_handle):
         for number in numbers:
             msg = str(number) + " "
             fizzbuzz_found = False
             if number % 3 == 0:
                 msg += "fizz "
                 fizzbuzz_found = True
             if number % 5 == 0:
-                msg += "buzz "
-                fizzbuzz_found = True
-
+                    msg += "buzz "
+                    fizzbuzz_found = True
             if fizzbuzz_found:
-                report_file.write(msg + "\n")
+                        file_handle.write(msg + "\n")
 
-        report_file.close()
+            
 
-if "__main__" == __name__:
-    fb = FizzBuzz()
-    fb.report(range(100))
 
-
+if "__main__" == __name__:
+        fb = FizzBuzz()
+        file_handle = open('temp.txt', 'w') # can create open wrapper
+        fb.report(range(100), file_handle)
+        file_handle.close()            

TestFizzBuzzMocked.py

@@ -4,6 +4,18 @@
 """
 Q5. Write the psuedocode for the test_repport method, such that it uses PyMock
     mock objects to test the report method of FizzBuzz. [5 pts]
+
+    def test_report(self):
+        mockFile = self.mock()
+        mockFileWrapper = self.mockFile('fizzbuzz_report.txt', 'w')
+        #replay
+        self.replay()
+        #Call the report method with mocked filewrapper
+        numbers=range(100)
+        FizzBuzz.report(self.numbers,self.mockFileWrapper)
+        #verify
+        self.verify()
+
 """
 class TestFizzBuzzMocked(pymock.PyMockTestCase):
 

TestFizzBuzzStubbed.py

@@ -4,17 +4,32 @@
 """
 Q3. What will be printed when we execute 'python FizzBuzzStubbed.py' ? [3 pts]
 
-
-
-
-
+setUpClass FizzBuzzStubbed
+setup
+test_report
+teardown
+test_report
+setup
+test_report
+teardown
+tearDownClass
 
 
 
 
 Q4. Implement MyStub class so that you can send it as a fake object to the
-    report method of FizzBuzz object from a test case. [3 pts]
+report method of FizzBuzz object from a test case. [3 pts]
 
+class MyStub(object):
+def __init__(self):
+self.openflag=False
+self.values=[]
+def open(self):
+self.openflag = True
+def write(self,msg):
+self.values.append(msg)
+def close():
+self.openflag = False # close fake "file"
 """
 class MyStub(object):
     pass
@@ -27,6 +42,44 @@ class MyStub(object):
 
 
 
+class TestFizzBuzzStubbed(unittest.TestCase):
+
+    @classmethod
+    def setUpClass(cls):
+        print "setUpClass FizzBuzzStubbed"
+
+    def setUp(self):
+        super(TestFizzBuzzStubbed, self).setUp()
+        self.fb = FizzBuzz.FizzBuzz()
+        print "setup"
+
+    @classmethod
+    def tearDownClass(cls):
+        print "tearDownClass"
+
+    def tearDown(self):
+        super(TestFizzBuzzStubbed, self).tearDown()
+        self.fb = None
+        print "teardown"
+
+    def test_report(self):
+        print "test_report"
+        pass
+
+    def test_report_for_empty_list(self):
+        print "test_report"
+        pass
+
+if __name__ == "__main__":
+    unittest.main()
+
+
+
+
+
+
+
+
 class TestFizzBuzzStubbed(unittest.TestCase):
 
     @classmethod