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Unit Testing (Mocha (Testing Framework (Runs all test files (on default…

- - - - Checks if results are the desired outcome
        
        Style
        
        Test Driven Design (TDD)
        
        Assert
        
        Behavior Driven Desing (BDD)
        
        Expect
        
        Should
  - - - Test Doubles
        
        Spies
        
        function that records
        
        arguments
        
        return values
        
        exception throws
        
        anonymous or wrap a function
        
        Stubs
        
        spies with pre-programmed behavior
        
        Original function not called
        
        Use when
        
        Trigger specific logic
        
        error throw
        
        Asynchronous call replacement
        
        Mocks
        
        stubs with pre-programmed expectations
        
        test will fail if not used as expected
        
        one mock per test
      - Solves Issues in testing
        
        External system dependencies
        
        Ajax, networking, timeouts, databases
  - - - on default "Test" folder
    - - include it.only()
- - - - specify filename on command