🎵 🙂 🕝 Modern approach to testing localization on iOS 🍲 ⛸️ 👩

Hello! Let's talk about how now in the 2020th year you can test a multilingual iOS application if you do not want to check the localization manually.

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signinButton.accessebilityIdentifier = "btn_auth"

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func testTutorial() {
        tutorialButton.tap()
        waitForElementToDissappear(element: tutorialButton, timeout: 5)
        makeScreenshot()
        for _ in 1...4 {
            app.swipeLeft()
            makeScreenshot()
        }
        tutorialCloseButton.tap()
        waitForElementToDissappear(element: tutorialCloseButton, timeout: 3)
    }

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func makeScreenshot() {
        XCTContext.runActivity(named: "Making a full screenshot and saving it") { (activity) in
            let screen = XCUIScreen.main
            let fullscreenshot = screen.screenshot()
            let fullScreenshotAttachment = XCTAttachment(screenshot: fullscreenshot)
            fullScreenshotAttachment.lifetime = .keepAlways
            activity.add(fullScreenshotAttachment)
        }
    }

func waitForElementToDissappear(element: XCUIElement, timeout: Double) {
        let doesNotExistPredicate = NSPredicate(format: "exists == FALSE")
        expectation(for: doesNotExistPredicate, evaluatedWith: element, handler: nil)
        waitForExpectations(timeout: timeout, handler: nil)
    }

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SnapshotHelper.swift Snapfile, .
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Test :

Fastlane setUp(), -:

override func setUp() {
        continueAfterFailure = false
        setupnapshot(app)
        app.launch()
    }

, , Fastlane. makeScreenshot() snapshot("snapshot_name"), Fastlane .

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func testTutorial() {
        tutorialButton.tap()
        waitForElementToDissappear(element: tutorialButton, timeout: 5)
        snapshot("Tutorial_page_1")
        var i: Int = 2
        repeat {
            app.swipeLeft()
            snapshot("Tutorial_page_\(i)")
            i += 1
        } while i <= 5
        tutorialCloseButton.tap()
        waitForElementToDissappear(element: tutorialCloseButton, timeout: 3)
    }

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Xcodebuild:

Xcodebuild 
    -workspace ExnessForHeisenbug.xcworkspace/
    -scheme ExnessForHeisenbug
    -destination 'platform=iOS Simulator,OS=10.3.1,name=iPhone 6s'
    -destination 'platform=iOS Simulator,OS=11.4,name=iPhone 7 plus' 
    -destination 'platform=iOS Simulator,OS=12.2,name=iPhone Xs' 
    -destination 'platform=iOS Simulator,OS=12.2,name=iPhone SE' 
    test -testPlan ExnessForHeisenbug

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testTutorial:

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. E Import Snapshot Testing, assertSnapshot() ViewController . .

import SnapshotTesting
import XCTest

class MyViewControllerTests: XCTestCase {
  func testMyViewController() {
    let vc = MyViewController()

    assertSnapshot(matching: vc, as: .image)
  }
}

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Crowdin . LinguanApp Exness Trading , , , . Social Trading. Fastlane . XCTest Plan . , Exness Trading Swift Snapshot Test Case, Social Trading — iOS Snapshot Test Case. , . Happy testing!

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Modern approach to testing localization on iOS

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Fastlane:

XCTestPlan:

swift-snapshot-testing:

ios-snapshot-test-case:

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