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NETWORK TESTING @PEPIBUMUR - IOS DEVELOPER AT SOUNDCLOUD

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HOW MANY OF YOU IMPLEMENT UNIT TESTS IN YOUR PROJECTS? !

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SPECTA, EXPECTA, OCMOCK, OCMOCKITO, QUICK, NIMBLE, KIWI, OCHAMCREST

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WE TEST UNITS OF CODE !

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! CAN WORK AS EXPECTED ↔ BUT NOT THE INTEGRATION

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INTEGRATION TESTS

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WE TEST THE UNITS OF CODE AS A SYSTEM ! ↔ !

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BUT... YOUR COMPONENTS ARE USED BY VIEWCONTROLLERS

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AND THESE ONES HAVE A LIFECYCLE !

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CONTROLLED BY YOUR APPLICATION USERS !

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! ARE PART OF THE SYSTEM

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! ↔ # ↔ !

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AND WE SHOULD TEST IT... DON'T WE? !

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HOW MANY OF YOU IMPLEMENT ACCEPTANCE TESTS IN YOUR PROJECTS? !

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THEY RELY ON ACCESSIBILITY THUS, THE UI LAYER

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let app = XCUIApplication() app.launch() app.buttons["Stream"].tap() app.tables.staticTexts["Enrique Iglesias"].tap()

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WE TEST FROM THE USER'S VIEWPOINT

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BUT...

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NON-UI STUFF (THAT DEPENDS ON THE VIEWS LIFECYCLE) IS ALSO TAKING PLACE

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! NETWORKING

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!THAT REFLECTS ON UI API INTERACTION !THAT DOESN'T REFLECT ON UI ANALYTICS

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API INTERACTION CAN BE TESTED WITH ACCEPTANCE TESTS

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let app = XCUIApplication() app.launch() app.buttons["Stream"].tap() //-----> REQUEST SENT waitForContent(timeout: 5) let enriqueCell = app.tables.staticTexts["Enrique Iglesias"] enriqueCell.tap() // -----> REQUEST :+1:

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BUT ANALYTICS...

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let app = XCUIApplication() app.launch() app.buttons["Stream"].tap() //-----> SCREEN EVENT SENT let enriqueCell = app.tables.staticTexts["Enrique Iglesias"] enriqueCell.tap() // -----> WAS IT REALLY SENT?

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THIS IS EVENT IS NOT SENT

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THIS IS EVENT IS NOT SENT THIS EVENT IS SENT WITH WRONG PARAMETERS

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WHAT CAN I DO THEN? ! (ANALYTICS MIGHT BE CRITICAL FOR YOUR BUSINESS !)

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SZIMPLA NETWORK TESTING IN SWIFT GITHUB.COM/PEPIBUMUR/SZIMPLA

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ONLY ! STEPS

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1. RECORD THE SNAPSHOT

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class AppUITests: XCTestCase { func testDefault() { try! Szimpla.Client.instance.start() let app = XCUIApplication() app.buttons["Navigate"].tap() try! Szimpla.Client.instance.record(path: "CMDUConf.json") } }

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2. VALIDATE THE SNAPSHOT

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[ { "url": "https://api.soundcloud.com/tracks/1235123", "parameters": {}, "body": {} } ]

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[ { "url": "https://api.soundcloud.com/tracks/[0-9]+", "parameters": {}, "body": {} } ]

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3. UPDATE THE TEST

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class AppUITests: XCTestCase { func testDefault() { try! Szimpla.Client.instance.start() let app = XCUIApplication() app.buttons["Navigate"].tap() try! Szimpla.Client.instance.validate(path: "CMDUConf.json") } }

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LIVE DEMO ! "

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SPANSHOT APPROACH (INSPIRED BY FACEBOOK SNAPSHOT TESTING)

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SUPPORTS CUSTOM VALIDATORS

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public protocol Validator { func validate(recordedRequests recordedRequests: [Request], localRequests: [Request]) throws }

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SUPPORTS CUSTOM FILTERS

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public protocol RequestFilter { func include(request request: Request) -> Bool }

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ANALYTICS TEAM CAN VALIDATE THE SNAPSHOTS IT'S A JSON FILE! ! !

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REFERENCES > Szimpla > Facebook Snapshot Testing > Swifter HTTP Server > Unsplash

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GRÀCIES ! QUESTIONS? SLIDES (SPEAKERDECK) - HTTP://BIT.LY/29XRQ7M PEPIBUMUR - [email protected]