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  • Embrace Expected Failures in XCTest

    Testing is a crucial part of building a great app: Great tests can help you track down important issues before release, improve your workflow, and provide a quality experience upon release. For issues that can't be immediately resolved, however, XCTest can help provide better context around those problems with XCTExpectFailure. Learn how this API works, its strict behavior, and how to improve the signal-to-noise ratio in your tests to identify new issues more efficiently.

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    • Expected Failures
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  • Rechercher dans cette vidéo…
    • 3:31 - XCTSkip unless device is iPad

      try XCTSkipUnless(UIDevice.current.userInterfaceIdiom == .pad, "Only supported on iPad")
    • 4:31 - XCTExpectFailure

      XCTExpectFailure("<https://dev.myco.com/bugs/4923> myValidationFunction is returning false")
    • 7:14 - Scoped XCTExpectFailure

      XCTExpectFailure("<https://dev.myco.com/bugs/4923> fix myValidationFunction") {
          XCTAssert(myValidationFunction())
      }
    • 8:34 - XCTExpectFailure with issue matcher

      let options = XCTExpectedFailure.Options()
      options.issueMatcher = { issue in
          return issue.type == .assertionFailure
      }
      
      XCTExpectFailure("<https://dev.myco.com/bugs/4923> fix myValidationFunction", options: options)
    • 9:03 - Disable XCTExpectFailure for some platforms

      let options = XCTExpectedFailure.Options()
      #if os(macOS)
      options.isEnabled = false
      #endif
      
      XCTExpectFailure("<https://dev.myco.com/bugs/4923> fix myValidationFunction", options: options) {
          XCTAssert(myValidationFunction())
      }
    • 10:39 - Disable strict XCTExpectFailure behavior via options

      let options = XCTExpectedFailure.Options()
      options.isStrict = false
      
      XCTExpectFailure("<https://dev.myco.com/bugs/4923> fix myValidationFunction", options: options) {
          XCTAssert(myValidationFunction())
      }
    • 10:53 - Disable strict XCTExpectFailure behavior via parameter

      XCTExpectFailure("<https://dev.myco.com/bugs/4923> fix myValidationFunction", strict: false) {
          XCTAssert(myValidationFunction())
      }

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