Swift – Dismissing alert XCUITest

swiftxcodexcode-ui-testingxcode7

I am trying to dismiss alerts on my XCUITest suite, I am currently using

app.alerts.buttons["OK"].tap()

Using this dismisses the alert, but then the application carries on trying to tap the button and then fails with the error message "UI TESTING FAILURE- No matches found for alert"

This is the console output

 t =     0.00s     Start Test at 2016-11-03 14:07:30.827
t =     0.00s     Set Up
t =     0.00s         Launch uk.co.myapp
t =     4.89s             Waiting for accessibility to load
t =    12.55s             Wait for app to idle
t =    18.46s         Snapshot accessibility hierarchy for uk.co.myapp
t =    19.24s         Find: Descendants matching type Button
t =    19.25s         Find: Elements matching predicate '"Enable notifications" IN identifiers'
t =    19.26s         Tap "Enable notifications" Button
t =    19.26s             Wait for app to idle
t =    19.40s             Find the "Enable notifications" Button
t =    19.40s                 Snapshot accessibility hierarchy for uk.co.myapp
t =    27.43s                 Find: Descendants matching type Button
t =    27.48s                 Find: Elements matching predicate '"Enable notifications" IN identifiers'
t =    27.52s                 Wait for app to idle
t =    27.93s             Synthesize event
t =    28.31s             Wait for app to idle
t =    33.94s         Tap "OK" Button
t =    33.94s             Wait for app to idle
t =    35.19s             Find the "OK" Button
t =    35.20s                 Snapshot accessibility hierarchy for uk.co.myapp
t =    39.68s                 Find: Descendants matching type Alert
t =    39.69s                 Wait for app to idle
t =    39.82s                     App event loop idle notification not received, will attempt to continue.
t =    39.82s                     App animations complete notification not received, will attempt to continue.
t =    39.83s                 Check for UI interruption: Descendants matching type Alert
t =    39.83s                     Snapshot accessibility hierarchy for com.apple.springboard
t =    39.93s                     Find: Descendants matching type Alert
t =    39.94s                 Find the "“VoucherCodes” Would Like to Send You Notifications" Alert
t =    39.94s                     Use cached accessibility hierarchy for com.apple.springboard
t =    39.97s                     Find: Descendants matching type Alert
t =    39.97s                     Find: Identity Binding
t =    39.98s                 Use cached accessibility hierarchy for com.apple.springboard
t =    39.99s                 Find: Descendants matching type Alert
t =    40.00s                 Find: Identity Binding
t =    40.01s                 Find: Descendants matching type Button
t =    40.01s                 Find: Elements matching predicate 'userTestingAttributes CONTAINS "cancel-button"'
t =    40.01s                 Get number of matches for: Descendants matching type Button
t =    40.13s                     Snapshot accessibility hierarchy for com.apple.springboard
t =    40.23s                     Find: Descendants matching type Alert
t =    40.23s                     Find: Identity Binding
t =    40.24s                     Find: Descendants matching type Button
t =    40.24s                 Get all elements bound by accessibility element for: Elements matching predicate 'userTestingAttributes CONTAINS "default-button"'
t =    40.34s                     Snapshot accessibility hierarchy for com.apple.springboard
t =    40.43s                     Find: Descendants matching type Alert
t =    40.45s                     Find: Identity Binding
t =    40.46s                     Find: Descendants matching type Button
t =    40.46s                     Find: Elements matching predicate 'userTestingAttributes CONTAINS "default-button"'
t =    40.47s                 Use cached accessibility hierarchy for com.apple.springboard
t =    40.49s                 Find: Descendants matching type Alert
t =    40.49s                 Find: Identity Binding
t =    40.50s                 Find: Descendants matching type Button
t =    40.50s                 Find: Elements matching predicate 'userTestingAttributes CONTAINS "default-button"'
t =    40.50s                 Find: Identity Binding
t =    40.50s                 Tap "OK" Button
t =    40.50s                     Wait for app to idle
t =    40.61s                         App event loop idle notification not received, will attempt to continue.
t =    40.61s                         App animations complete notification not received, will attempt to continue.
t =    40.62s                     Find the "OK" Button
t =    40.62s                         Snapshot accessibility hierarchy for com.apple.springboard
t =    40.70s                         Find: Descendants matching type Alert
t =    40.71s                         Find: Identity Binding
t =    40.71s                         Find: Descendants matching type Button
t =    40.71s                         Find: Elements matching predicate 'userTestingAttributes CONTAINS "default-button"'
t =    40.72s                         Find: Identity Binding
t =    40.72s                         Wait for app to idle
t =    40.84s                             App event loop idle notification not received, will attempt to continue.
t =    40.84s                             App animations complete notification not received, will attempt to continue.
t =    40.84s                     Synthesize event
t =    41.17s                     Wait for app to idle
t =    41.43s                         App event loop idle notification not received, will attempt to continue.
t =    41.43s                         App animations complete notification not received, will attempt to continue.
t =    41.44s                 Snapshot accessibility hierarchy for com.apple.springboard
t =    41.52s                 Find: Descendants matching type Alert
t =    41.53s                 Find: Identity Binding
t =    41.54s                 Wait for view controller view-did-disappear
t =    42.21s                 Snapshot accessibility hierarchy for uk.co.myapp
t =    45.68s                 Find: Descendants matching type Alert
t =    45.69s                 Wait for app to idle
t =    46.82s                 Find the "OK" Button (retry 1)
t =    46.82s                     Snapshot accessibility hierarchy for 

myapp
t = 50.18s Find: Descendants matching type Alert
t = 50.19s Wait for app to idle
t = 51.38s Find the "OK" Button (retry 2)
t = 51.38s Snapshot accessibility hierarchy for uk.myapp
t = 55.06s Find: Descendants matching type Alert
t = 55.06s Wait for app to idle
t = 55.44s Assertion Failure: signUpSetUp.swift:21: UI Testing Failure – No matches found for Alert
Query input was {(
Application 0x7fb51cf80840: {{0.0, 0.0}, {375.0, 667.0}}, label

Is there a better way of solving this issue? Or is there a solution to where I have gone wrong? Been puzzled on this for a while now!

Best Answer

I improve the answer of @user3271402

addUIInterruptionMonitorWithDescription("alert description") { (alert) -> Bool in
    let alertButton = alert.buttons["OK"]
    if alertButton.exists {
        alertButton.tap()
        return true
    }
    return false
}
app.tap()

Just tap if the alert exists. If the alert doesn't happen return false and after tap the app and the end.

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