startup institute: js testing & behavior driven development

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  • JAVASCRIPT TESTING & BEHAVIOR DRIVEN

    DEVELOPMENT

  • Conor Sheehan

    Experience Designer

    @ Cantina

  • What are tests?

  • Unit Tests !

    Integration Tests

  • Why tests?

  • Extending features Adding complexity

    Debugging Collaboration

    Upgrading

  • Ever feel anxious about whether or not

    your app works?

  • Testing Philosophies

    Test nothing

    Verification testing

    Test driven development

    Behavior driven development

  • BDD

    Readable sentences

    Behavior over Test

    Ubiquitous language

    Test first

  • Process

    1. Describe behaviors

    2. Build to behaviors

    3. Repeat

  • Behavior

    [subject]

    [expected outcome]

    when [event occurs],

    given [context].

  • Behavior

    The user

    is taken to their account page

    when the user clicks my account,

    given the user is logged in.

  • Behavior

    The checkout button

    is enabled

    when the page is loaded,

    given there are items in the cart,

    and the items are available.

  • Activity

    Describe behaviors

  • JavaScript Testing

    5 days of

    Design & Problem Solving

  • The Tools

    Testem

  • Live coding!

  • Mocks & Stubs

  • Activity

    Write your own tests

  • Why write tests?

    Behavior-Driven Development

    Behavior Statements

    JS Tests

    Recap

  • Keep practicing

    Work it into your process

    Testing in other languages

    Now What?

  • It takes less time

    to write good code

    than to debug bad code

    Remember

  • ???

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