addUIInterruptionMonitor（withDescription：handler :)无法在iOS 10或9上运行 [英] addUIInterruptionMonitor(withDescription:handler:) not working on iOS 10 or 9

问题描述

以下测试在iOS 11上运行正常。它会解除警报，询问使用位置服务的权限，然后放大地图。在iOS 10或9上，它没有这个，测试仍然成功

The following tests works fine on iOS 11. It dismisses the alert asking permissions to use the locations services and then zooms in in the map. On iOS 10 or 9, it does none of this and the test still succeeds

func testExample() {
    let app = XCUIApplication()

    var handled = false
    var appeared = false

    let token = addUIInterruptionMonitor(withDescription: "Location") { (alert) -> Bool in
        appeared = true
        let allow = alert.buttons["Allow"]
        if allow.exists {
            allow.tap()
            handled = true
            return true
        }

        return false
    }

    // Interruption won't happen without some kind of action.
    app.tap()

    removeUIInterruptionMonitor(token)
    XCTAssertTrue(appeared && handled)
}

有没有人知道为什么和/或解决方法？

Does anyone have an idea why and/or a workaround?

这是你的项目可以重现这个问题： https://github.com/TitouanVanBelle/Map

Here's a project where you can reproduce the issue: https://github.com/TitouanVanBelle/Map

更新

Xcode 9.3 Beta的更新日志显示以下内容

Xcode 9.3 Beta's Changelogs show the following

XCTest UI interruption monitors now work correctly on devices and simulators running iOS 10. (33278282)

推荐答案

    let springboard = XCUIApplication(bundleIdentifier: "com.apple.springboard") 

    let allowBtn = springboard.buttons["Allow"]
    if allowBtn.exists {
       allowBtn.tap()
    }

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