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Fix UI test hang: bypass launch guard for XCUITest apps

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XCUITest launches the app as a separate process that doesn't inherit
XCTest env vars (XCTestConfigurationFilePath, etc.), so
isRunningUnderXCTest() returns false. The app then hits
shouldBlockUntaggedDebugLaunch() and exits with code 64, causing the
test runner to hang waiting for the app to launch.

Fix: detect CMUX_UI_TEST_* env vars set via XCUIApplication.launchEnvironment
and skip the launch guard. Also revert the failed CMUX_TAG ci.yml workaround.
This commit is contained in:
Lawrence Chen 2026-02-24 23:28:34 -08:00
parent 77a59b5743
commit 4d2fd30143
3 changed files with 18 additions and 5 deletions
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5
Sources/SocketControlSettings.swift
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@ -230,6 +230,11 @@ struct SocketControlSettings {
if isRunningUnderXCTest(environment: environment) {
return false
}
// XCUITest launches the app as a separate process without XCTest env vars,
// so isRunningUnderXCTest() misses it. Check for any CMUX_UI_TEST_ env var.
if environment.keys.contains(where: { $0.hasPrefix("CMUX_UI_TEST_") }) {
return false
}
guard let bundleIdentifier = bundleIdentifier?.trimmingCharacters(in: .whitespacesAndNewlines),
!bundleIdentifier.isEmpty else {