Merge pull request #90153 from microsoft/joh/continous-browser-tests

add browser tests to continous builds

build/azure-pipelines/darwin/continuous-build-darwin.yml

@@ -41,6 +41,9 @@ steps:
 - script: |
     ./scripts/test.sh --tfs "Unit Tests"
   displayName: Run Unit Tests
+- script: |
+    yarn test-browser --browser chromium --browser webkit
+  displayName: Run Unit Tests (Browsers)
 - script: |
     ./scripts/test-integration.sh --tfs "Integration Tests"
   displayName: Run Integration Tests

build/azure-pipelines/linux/continuous-build-linux.yml

@@ -49,6 +49,9 @@ steps:
 - script: |
     DISPLAY=:10 ./scripts/test.sh --tfs "Unit Tests"
   displayName: Run Unit Tests
+- script: |
+    DISPLAY=:10 yarn test-browser --browser chromium
+  displayName: Run Unit Tests (Browser)
 - script: |
     DISPLAY=:10 ./scripts/test-integration.sh --tfs "Integration Tests"
   displayName: Run Integration Tests

build/azure-pipelines/win32/continuous-build-win32.yml

@@ -46,6 +46,9 @@ steps:
 - powershell: |
     .\scripts\test.bat --tfs "Unit Tests"
   displayName: Run Unit Tests
+- powershell: |
+    yarn test-browser --browser chromium --browser webkit
+  displayName: Run Unit Tests (Browser)
 - powershell: |
     .\scripts\test-integration.bat --tfs "Integration Tests"
   displayName: Run Integration Tests

package.json

@@ -10,6 +10,7 @@
   "private": true,
   "scripts": {
     "test": "mocha",
+    "test-browser": "node test/unit/browser/index.js",
     "preinstall": "node build/npm/preinstall.js",
     "postinstall": "node build/npm/postinstall.js",
     "compile": "gulp compile --max_old_space_size=4095",

test/unit/browser/index.js

@@ -210,12 +210,22 @@ class EchoRunner extends events.EventEmitter {
 
 testModules.then(async modules => {
 
-	const browserTypes = Array.isArray(argv.browser) ? argv.browser : [argv.browser];
-	const promises = browserTypes.map(browserType => runTestsInBrowser(modules, browserType));
-	const messages = await Promise.all(promises);
+	// run tests in selected browsers
+	const browserTypes = Array.isArray(argv.browser)
+		? argv.browser : [argv.browser];
+
+	const promises = browserTypes.map(async browserType => {
+		try {
+			return await runTestsInBrowser(modules, browserType);
+		} catch (err) {
+			console.error(err);
+			process.exit(1);
+		}
+	});
 
 	// aftermath
 	let didFail = false;
+	const messages = await Promise.all(promises);
 	for (let msg of messages) {
 		if (msg) {
 			didFail = true;