Types of tests

Unit tests:

• The lowest level of testing
• Test an individual unit (or function) of a software
• Tests are run in very controlled environments
• 90-100% test coverage

Functional:

• Higher-level function testing
• Test outside dependencies
• Example: get a specific value from a database, API

Integration:

• Assemble project modules
• Test how microservices work together
• Example: database connection

End-To-End:

• Test the application in a real environment
• Use a production-like database
• UI testing
• Acceptance testing