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integration-tests.md

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Integration tests

  • about webdev / testing

  • outline

  • unit tests recap

  • integration tests motivation

    • unit tests for business logic
      • "testing integration of your own and third-party modules"
    • test components / modules / dependencies links
    • examples:
      • external library / dependency calls, function signatures
      • child DOM subtrees / components
      • API calls
      • file system calls
      • database calls
      • logging / tracking ?

  • 90's books definitions

    • big bang approach
    • top-down (gradually un-mock more and more components)
    • bottom-up
    • sandwich (top-down + bottom-up)

  • fowler's definitions and narrow vs broad integration tests

  • best practices

    • separate unit / integration (and know the difference!)
    • integrate into ci

  • snapshots demo

    • shallow vs mount
    • travis config

  • cypress demo

  • concl

    • how to connect to backend for e2e tests?
      • use fake api service like Apiary
      • dockerized fake backend
      • requests to real backend on testing/production
    • what approach to integration tests should we take (common sense again)

  • teaser for next week

    • more complex Cypress tests
    • adding Cypress to CI
    • automated E2E testing fails / history / future
    • user testing sessions

  • resources