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VerifyMocks

0 votes
I can't understand VerifyMocks attribute behavior. 
[TestCleanup]
class clA
{
   private static int a = 10;
   public static int A
   {
      get
      {
         return a;
      }
   }
}

[TestCleanup]
public void Cleanup()
{
   int controlA = clA.A;
}

[TestMethod]
public void TestMethod1()
{
   using (RecordExpectations record = new RecordExpectations())
   {
      record.ExpectAndReturn(clA.A, 5);
      record.RepeatAlways();
   }
   int a = clA.A;
}


When i get controlA it equal 5. If i write VerifyMocks attribute before TestMethod1: 
[TestMethod, VerifyMocks]
public void TestMethod1()
{
   using (RecordExpectations record = new RecordExpectations())
   {
      record.ExpectAndReturn(clA.A, 5);
      record.RepeatAlways();
   }
   int a = clA.A;
}

controlA equals 10. Is it a correct behavior?
asked by Spi
Report User
 (600 points)

1 Answer

0 votes
Hi
The problem here is that VerifyMocks cleans up the mocks at the end of the test method and before your Cleanup method gets to run.

Note that is usually recommended to do the asserts at the end of each test
and not the cleanup methods.
Take a look at the Arrange Act Assert API
I think it make such things clearer.

Just an example of the same test with an Arrange Act Assert syntax: 
[TestMethod, Isolated]
public void TestMethod_AAA_Syntax()
{
    // Arrange
    Isolate.WhenCalled(()=>clA.A).WillReturn(5);

    // Act
    int result = clA.A;

    // Assert
    Assert.AreEqual(5, clA.A);
}
answered by ohad
Report User
 (35.4k points)
...

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