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lect10

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lect10, Wed 02/14

Testing Tools, Different Types of Testing: Component, End-To-End, and BDD Testing

Announcements

• H08 due next Wednesday (next Monday is Presidents’ Day holiday)
• We still focus on the momentum from your MVPs and move towards CI/CD!

• Finish up lab05 requirements: 1) MVP review response in team/MVP_FOLLOWUP.md 2) Unit Testing experiments, documented in team/TESTING.md, 3) Individual AI coding experiments, documented in team/AI_CODING.md

• lab06 will require you to go beyond unit testing:
• Implement at least one higher-level (Integration, Component, or BDD) test with a testing library of your choice over the next week!
• Another RETRO meeting is also part of lab06. Plan for it now and do it either this Friday, or schedule outside of class!
• Second Peer Evaluation at CATME.org coming up next week, also as Lab06 credit!

More Info on Testing

• Slides for high-level overview and motivation: Testing for the Skeptical Developer

• Sometimes, component testing is done as black-box testing by a testing team, separate from the developer team: Difference between component and unit testing

• Testing Coverage: code coverage vs. test coverage
• Code vs. execution/test coverage: a kid’s toy example by the Lead of SW Testing at eBay

• Code vs. test coverage

• Possible Testing Libraries:
  • Jest
  • React Native Testing Library
  • Jasmine

  • Mocha (and Chai and Sinon)

  • Component Testing with Cypress

  • Component Testing with Storybook, also works with ReactNative

  • End-to-end Modern Web App Testing with Playwright

  • BDD Acceptance Testing with cucumber.js, blog example
• Remember the overview articles:
  • Overview of Javascript Testing, PDF version
  • Python Testing Frameworks

Today: Work in Breakout Groups

• Standup
• Work on new features and on unit testing requirement, AI Coding, and review responses for lab05. Discuss best testing frameworks/strategies based on what your team members found out. Plan Retrospective!