Production code must be correct, readable, and maintainable. Tests are the safety net that keeps it that way.
Unit tests exercise a single function or module in isolation. A good test is:
1. Write a failing test.
2. Write the minimum code to pass.
3. Refactor while keeping tests green.
Reviews spread knowledge, catch bugs, and enforce team standards. Approach them as learning opportunities, not criticism.
Answer all 3 questions correctly to unlock Submit.
1What is the first step in Test-Driven Development?
2Which quality is most important for a unit test?
3Why are meaningful variable names important?
Production code must be correct, readable, and maintainable. Tests are the safety net that keeps it that way.
Unit tests exercise a single function or module in isolation. A good test is:
1. Write a failing test.
2. Write the minimum code to pass.
3. Refactor while keeping tests green.
Reviews spread knowledge, catch bugs, and enforce team standards. Approach them as learning opportunities, not criticism.
Answer all 3 questions correctly to unlock Submit.
1What is the first step in Test-Driven Development?
2Which quality is most important for a unit test?
3Why are meaningful variable names important?