JavaScript Unit Testing Competency (Intermediate Level)

Topics covered

• compare numeric values using assert
• configure different reporters in Mocha
• configure fakes with specific behavior
• control time in tests to make asynchronous testing easy
• create and use anonymous spies for testing
• create an object to be used in test cases
• create stubs for object methods
• describe the assertions that can be used to test objects and their properties
• implement tests using multiple hooks
• install Mocha and Sinon on your local machine
• instantiate objects without invoking object constructors
• perform asynchronous function testing using expect
• perform asynchronous testing using async/await
• perform asynchronous tests using fakes with promises
• perform testing using mocks and set expectations
• perform testing using spies on object getters and setters
• prepare Mocha tests to run within a browser
• recognize how to test errors and callbacks with fakes
• recognize the use of the beforeEach() and afterEach() hooks in tests
• run multiple tests from the command line
• spy on specific methods of an object
• test different data types using expect
• test different data types using should
• test real world components using spies
• test the order of function invocations using fakes
• use arrays and elements in arrays using assert
• use fake timers with multiple async functions
• use sandboxes to simplify testing
• use spy calls to test function invocations
• use the done() method to signal test completion