first commit

Author: jlp-craigmorten

.github/workflows/macos-voiceover.yml

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+name: MacOS VoiceOver
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  start-voiceover-and-move-right:
+    runs-on: ${{ matrix.os }}
+    continue-on-error: true
+    strategy:
+      matrix:
+        os: [macos-13, macos-14, macos-15]
+    steps:
+      - uses: actions/checkout@v3
+      - run: |
+          # Disable splash screen
+          defaults write com.apple.VoiceOverTraining doNotShowSplashScreen -bool true
+
+          sleep 1
+
+          # Start VoiceOver
+          /System/Library/CoreServices/VoiceOver.app/Contents/MacOS/VoiceOverStarter &
+
+          # See if VoiceOver process is running
+          ps aux | egrep "[V]oiceOver"
+
+          # See if AppleScript thinks VoiceOver is running
+          /usr/bin/osascript voiceOverRunning.applescript
+          
+          sleep 1
+
+          # Use AppleScript to "activate" VoiceOver
+          until $(/usr/bin/osascript voiceOverActivate.applescript)
+          do
+            echo "VO not ready..."
+            sleep 1
+          done
+          echo "VO ready."
+
+          # Attempt to control VoiceOver using AppleScript
+          /usr/bin/osascript voiceOverPerform.applescript
+
+          sleep 1
+
+          # Terminate VoiceOver
+          kill -15 $(ps aux | egrep "[V]oiceOver.app/Contents/MacOS/VoiceOver launchd -s" | awk '{print $2}')

README.md

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+# macos-15 VoiceOver Error Demo
+
+Simple workflow to demonstrate macos-15 issues with VoiceOver AppleScript support reported in https://github.com/actions/runner-images/issues/11257

voiceOverActivate.applescript

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+delay 1
+
+with timeout of 10 seconds
+  tell application "VoiceOver"
+    with transaction
+      -- Ensure VoiceOver is focused
+      activate
+    end transaction
+  end tell
+end timeout

voiceOverPerform.applescript

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+delay 1
+
+with timeout of 30 seconds
+  tell application "VoiceOver"
+    with transaction
+      -- Attempt to move the VO cursor right 5 times.
+      -- This is where we can see evidence of macos-15 agents not having
+      -- AppleScript support enabled for VoiceOver as it errors.
+      tell vo cursor to perform action
+    end transaction
+  end tell
+end timeout

voiceOverRunning.applescript

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+delay 1
+
+with timeout of 30 seconds
+  tell application "VoiceOver"
+    -- See if VoiceOver is running
+    return running
+  end tell
+end timeout