TDD python quiz solution

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.
 
 
 
@@ -10,10 +11,9 @@
 
 """
 class FizzBuzz(object):
-    def report(self, numbers):
-
-        report_file = open('c:/temp/fizzbuzz_report.txt', 'w')
+    def report(self, numbers, fileWrapper):
 
+        fileWrapper.open()
         for number in numbers:
             msg = str(number) + " "
             fizzbuzz_found = False
@@ -25,12 +25,29 @@ def report(self, numbers):
                 fizzbuzz_found = True
 
             if fizzbuzz_found:
-                report_file.write(msg + "\n")
+                fileWrapper.write(msg + "\n")
 
-        report_file.close()
+        fileWrapper.close()
 
 if "__main__" == __name__:
     fb = FizzBuzz()
-    fb.report(range(100))
+    fileWrapper = FileWrapper('temp.txt', 'w') # can create open wrapper  
+    fb.report(range(100), fileWrapper)
+
+class FileWrapper:
+        def __init__(self, fname, mode):
+            self.filename = fname
+            self.mode = mode
+
+        def open(self):
+            self.filehandle = open (self.filename, self.mode)
+            return self.filehandle
+
+        def write(self, buff):
+            self.filehandle.write(msg)\
+
+        def close(self)
+            self.filehandle.close()
+
 
 

TestFizzBuzzMocked.py

@@ -17,7 +17,18 @@ def tearDown(self):
         self.fb = None
 
     def test_report(self):
-        pass
+        #create mock
+        mockFileProvider = self.mock()
+        mockFileWrapper = self.mockFileProvider('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()
+
+
 
 
 

TestFizzBuzzStubbed.py

@@ -5,7 +5,14 @@
 Q3. What will be printed when we execute 'python FizzBuzzStubbed.py' ? [3 pts]
 
 
-
+setUpClass FizzBuzzStubbed
+setup
+test_report
+teardown
+setup
+test_report
+teardown
+tearDownClass
 
 
 
@@ -17,16 +24,21 @@
 
 """
 class MyStub(object):
-    pass
-
-
-
-
-
+    def __init__(self, values)
+        self.flag = False
+        self.values = []
+
+    def open(self)
+        self.flag = True
+
+    def write(self,msg)
+        self.values.append(msg)
+
+    def close(self)
+        self.flag = False
 
 
 
-
 class TestFizzBuzzStubbed(unittest.TestCase):
 
     @classmethod