Great Habits

In this lesson, we introduced a few new TDD habits. Check them out in the following list.

Considerations when Writing a New Test

• Tests should test one thing only.
• Create more specific tests to drive a more generic solution (triangulate).
• Give your tests meaningful names (behavior/goal-oriented names) that reflect your business domain.
• See that the test fails for the right reason.
• Ensure you have meaningful feedback from failing tests.
• Keep your tests and production code separate.
• Organize your unit tests to reflect your production code (similar project structure).
• Organize your test in arrange, act, and assert blocks (new habit).

– Arrange (also known as Given) all necessary preconditions.

– Act (also known as When) on the subject under test.

– Assert (also known as Then) that the expected results have occurred.

• Write the assertion first and work backward (new habit).

– Write...