Explain the role of setup and teardown functions in testing and how they are implemented in Go.
- Setup functions initialize the testing environment before test cases run, while teardown functions clean up resources after test cases complete. In Go, setup functions are named TestXxx(t *testing.T) and teardown functions are named TestXxx(t *testing.T).
- Setup functions prepare the testing environment before each test case is executed, and teardown functions clean up resources after each test case is finished. In Go, setup functions are named TestSetupXxx(t *testing.T) and teardown functions are named TestTeardownXxx(t *testing.T).
- Setup functions are used to define test cases, and teardown functions are used to execute cleanup code after all test cases are completed. In Go, setup functions are named Setup() and teardown functions are named Teardown().
- Setup and teardown functions are not used in Go testing; developers must manually handle setup and cleanup tasks within each test case.
In Go testing, setup and teardown functions play a crucial role in test case preparation and cleanup. Setup functions, named TestXxx(t *testing.T), are called before each test case to set up the testing environment. Teardown functions, also named TestXxx(t *testing.T), are called after each test case to clean up any resources or state changes. This ensures that each test case starts in a consistent state and leaves no side effects for subsequent tests. These functions help maintain isolation between test cases and improve the reliability of test results.
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