• Names matters
• Exceptions
• Test Doubles
• Stubbing Collections
• Arrange Act Assert
What’s it all about?
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Names matters
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Test a single concept
in each test function
Robert C. Martin
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Exceptions
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Test Doubles
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How does getMock() really work?
• Does Configuration class exist?
• Create Mock_Configuration_123abc class
extends Configuration class
• Create instance of that class
• Return instance
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How does getMock() really work?
• Does Configuration class exist?
• Create Mock_Configuration_123abc class
extends Configuration class
• Create instance of that class
• Return instance
• Create Configuration class
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Stubs provide canned
answers to calls made
during the test
"Mocks Aren’t Stubs"
Martin Fowler
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Mocks are objects
pre-programmed with
expectations which
form a specification
of the calls they are
expected to receive
"Mocks Aren’t Stubs"
Martin Fowler