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Faking members and local variables

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When you have object members in your class that are created within the class and you need to set their behavior you can use FAKE_ALL API as well.

 

Let's look at a similar code sample but this time the address member is not a pointer.

 

class Person

{

private:

   Address address;

public:

   Person() {} 

   char* GetCity() {return address.GetCity();}

   

}

 

 

As before, we create a fake Address handle, and we can set behavior for all current Address object.

The test still looks the same:

 

TEST_F(PersonTests, FakeAddress)

{

   Address* fakeAddress = FAKE_ALL<Address>();

   Person person;

   

   WHEN_CALLED(fakeAddress->GetCity()).Return("NYC");

 

   ASSERT_EQ("NYC", person.GetCity());

}

 

 

Similarly, if your method under-test creates a local variable during its run, use FAKE_ALL API to set its behavior:

 

int Person::DoSomething()

{

   SomeClass someClass;

   return someClass.DoSomethingElse();

}

 

And the test set up might look like this:

 

TEST_F(PersonTests, FakeAddress)

{

   Address* fakeClass = FAKE_ALL<SomeClass>();

   Person person;

   

   WHEN_CALLED(fakeClass->DoSomethingElse()).Return(1);

 

   ASSERT_EQ(1, person.DoSomething());

}

 


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