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TDD using Xcode Playgrounds  Paul Ardeleanu @pardel

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TDD using Xcode Playgrounds - London, March 2017 @pardel Test Driven Development 

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TDD using Xcode Playgrounds - London, March 2017  @pardel TDD according to Wikipedia “Test-driven development (TDD) is a software development process that relies on the repetition of a very short development cycle: requirements are turned into very specific test cases, then the software is improved to pass the new tests, only. This is opposed to software development that allows software to be added that is not proven to meet requirements.” https://en.wikipedia.org/wiki/Test-driven_development

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TDD using Xcode Playgrounds - London, March 2017 @pardel Test Driven Development 

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TDD using Xcode Playgrounds - London, March 2017  @pardel Pick a feature to implement making sure it’s a small enough unit. FEATURE Change any of the existing code making sure ALL tests are passing. REFACTOR Write a failing test. Stop as soon as you get a failure. RED Write code to pass the test. Write as little code as possible. GREEN L ( ) TDD lifecycle Feature, Red, Green, Refactor

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TDD using Xcode Playgrounds - London, March 2017  @pardel New feature create test enough code to make it pass successful test execution No anything to refactor Yes Yes refactoring No Ya Ain’t Gonna Need It TDD lifecycle Feature, Red, Green, Refactor

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TDD using Xcode Playgrounds - London, March 2017 @pardel Testing in iOS 

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TDD using Xcode Playgrounds - London, March 2017  @pardel Testing in iOS XCTest - Xcode 5

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TDD using Xcode Playgrounds - London, March 2017  @pardel Testing in iOS XCTest - Xcode 5

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TDD using Xcode Playgrounds - London, March 2017 @pardel Demo 

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TDD using Xcode Playgrounds - London, March 2017 @pardel Unit tests 

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TDD using Xcode Playgrounds - London, March 2017 @pardel  m.pardel.net

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TDD using Xcode Playgrounds - London, March 2017 @pardel leanpub.com/test-gtfo

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TDD using Xcode Playgrounds - London, March 2017 @pardel

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TDD using Xcode Playgrounds - London, March 2017  @pardel TDD Workshop

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TDD using Xcode Playgrounds - London, March 2017 @pardel Thank you! [email protected]