Basics of Testing

What is testing, and why is it important in backend development?
What are the different types of testing in software development?
How do you write a basic test in Golang? Can you explain the structure of a test function?
What is the testing package in Golang?
How do you run tests in Golang?
what is the meaning of this command? "go test -cover”
How do you handle test failure in Golang? (running test in isolation is discussed here)
How can you measure code coverage for tests in Golang?
What are sub-tests in Golang, and how do you use them?

Unit Testing

What is unit testing, and how does it differ from other types of testing?
How do you test functions with multiple return values in Golang?
How do you test a function that interacts with an external dependency (e.g., a database)?=======
What is a table-driven test, and why is it used in Golang?

What is mocking, and why is it important in backend testing?
"How do you test a function that interacts with an external database? give example using testify mock and testify assert