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Fix UI test hang: set CMUX_TAG for debug launch guard

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Debug builds refuse to launch without CMUX_TAG to prevent accidental
untagged launches. XCUITest launches the app as a separate process
without XCTest env vars, so the app's isRunningUnderXCTest() check
fails and the app calls exit(64). The test runner then waits forever
for the app to report back. Set CMUX_TAG=ci in the CI env.
This commit is contained in:
Lawrence Chen 2026-02-24 23:19:04 -08:00
parent 79266ee03b
commit 77a59b5743
1 changed files with 6 additions and 19 deletions
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25
.github/workflows/ci.yml vendored
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@ -90,25 +90,12 @@ jobs:
# Remove stale build cache to avoid incremental build errors
rm -rf ~/Library/Developer/Xcode/DerivedData/GhosttyTabs-*
- name: Build for testing
run: |
set -euo pipefail
xcodebuild -project GhosttyTabs.xcodeproj -scheme cmux -configuration Debug -destination "platform=macOS" build-for-testing
- name: Allow ad-hoc signed app to launch
run: |
# The runner has no development certificates, so the app is ad-hoc signed.
# Gatekeeper blocks ad-hoc apps, causing XCUITest to hang on launch.
# Remove the signature so macOS treats it as unsigned (launchable) instead.
APP_PATH="$(find ~/Library/Developer/Xcode/DerivedData/GhosttyTabs-*/Build/Products/Debug -name 'cmux DEV.app' -print -quit)"
if [ -z "$APP_PATH" ]; then
echo "Built app not found in DerivedData" >&2
exit 1
fi
codesign --remove-signature "$APP_PATH"
echo "Removed ad-hoc signature from: $APP_PATH"
- name: Run UI tests
env:
# Debug builds require CMUX_TAG to prevent accidental untagged launches.
# XCUITest launches the app as a separate process without XCTest env vars,
# so the app's isRunningUnderXCTest() check fails. Provide a tag explicitly.
CMUX_TAG: ci
run: |
set -euo pipefail
xcodebuild -project GhosttyTabs.xcodeproj -scheme cmux -configuration Debug -destination "platform=macOS" -only-testing:cmuxUITests/UpdatePillUITests test-without-building
xcodebuild -project GhosttyTabs.xcodeproj -scheme cmux -configuration Debug -destination "platform=macOS" -only-testing:cmuxUITests/UpdatePillUITests test