Add browser unit tests to product build (#90353)

* wip - add browser unit tests to product build

* run with more output

* load loader via script tag

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

@@ -99,6 +99,12 @@ steps:
   displayName: Run unit tests (Electron)
   condition: and(succeeded(), eq(variables['VSCODE_STEP_ON_IT'], 'false'))
 
+- script: |
+    set -e
+    yarn test-browser --build --browser chromium --browser webkit
+  displayName: Run unit tests (Browser)
+  condition: and(succeeded(), eq(variables['VSCODE_STEP_ON_IT'], 'false'))
+
 - script: |
     # Figure out the full absolute path of the product we just built
     # including the remote server and configure the integration tests

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

@@ -104,6 +104,12 @@ steps:
   displayName: Run unit tests (Electron)
   condition: and(succeeded(), eq(variables['VSCODE_STEP_ON_IT'], 'false'))
 
+- script: |
+    set -e
+    DISPLAY=:10 yarn test-browser --build --browser chromium
+  displayName: Run unit tests (Browser)
+  condition: and(succeeded(), eq(variables['VSCODE_STEP_ON_IT'], 'false'))
+
 - script: |
     # Figure out the full absolute path of the product we just built
     # including the remote server and configure the integration tests

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

@@ -112,6 +112,13 @@ steps:
   displayName: Run unit tests (Electron)
   condition: and(succeeded(), eq(variables['VSCODE_STEP_ON_IT'], 'false'))
 
+- powershell: |
+    . build/azure-pipelines/win32/exec.ps1
+    $ErrorActionPreference = "Stop"
+    exec { yarn test-browser --build --browser chromium }
+  displayName: Run unit tests (Browser)
+  condition: and(succeeded(), eq(variables['VSCODE_STEP_ON_IT'], 'false'))
+
 - powershell: |
     # Figure out the full absolute path of the product we just built
     # including the remote server and configure the integration tests

test/unit/browser/index.js

@@ -18,7 +18,7 @@ const playwright = require('playwright');
 const defaultReporterName = process.platform === 'win32' ? 'list' : 'spec';
 const optimist = require('optimist')
 	// .describe('grep', 'only run tests matching <pattern>').alias('grep', 'g').alias('grep', 'f').string('grep')
-	// .describe('build', 'run with build output (out-build)').boolean('build')
+	.describe('build', 'run with build output (out-build)').boolean('build')
 	.describe('run', 'only run tests matching <relative_file_path>').string('run')
 	.describe('glob', 'only run tests matching <glob_pattern>').string('glob')
 	.describe('debug', 'do not run browsers headless').boolean('debug')
@@ -122,6 +122,9 @@ async function runTestsInBrowser(testModules, browserType) {
 	const browser = await playwright[browserType].launch({ headless: !Boolean(argv.debug) });
 	const page = (await browser.defaultContext().pages())[0]
 	const target = url.pathToFileURL(path.join(__dirname, 'renderer.html'));
+	if (argv.build) {
+		target.search = `?build=true`;
+	}
 	await page.goto(target.href);
 
 	const emitter = new events.EventEmitter();

test/unit/browser/renderer.html

@@ -37,15 +37,21 @@
 		});
 	</script>
 
+	<!-- Depending on --build or not, load loader from known locations -->
 	<script src="../../../out/vs/loader.js"></script>
+	<script src="../../../out-build/vs/loader.js"></script>
+
 	<script>
+		const urlParams = new URLSearchParams(window.location.search);
+		const isBuild = urlParams.get('build');
+
 		// configure loader
 		const baseUrl = window.location.href;
 		require.config({
 			catchError: true,
 			baseUrl: new URL('../../../src', baseUrl).href,
 			paths: {
-				'vs': new URL('../../../out/vs', baseUrl).href,
+				'vs': new URL(`../../../${!!isBuild ? 'out-build' : 'out'}/vs`, baseUrl).href,
 				assert: new URL('../assert.js', baseUrl).href,
 				sinon: new URL('../../../node_modules/sinon/pkg/sinon-1.17.7.js', baseUrl).href
 			}
@@ -104,19 +110,19 @@
 
 		window.loadAndRun = async function loadAndRun(modules, manual = false) {
 			// load
-			// await Promise.all(modules.map(module => new Promise((resolve, reject) =>{
-			// 	require([module], resolve, err => {
-			// 		console.log("BAD " + module + JSON.stringify(err, undefined, '\t'));
-			// 		// console.log(module);
-			// 		resolve({});
-			// 	});
-			// })));
-			await new Promise((resolve, reject) => {
-				require(modules, resolve, err => {
-					console.log(err);
-					reject(err);
+			await Promise.all(modules.map(module => new Promise((resolve, reject) => {
+				require([module], resolve, err => {
+					console.log("BAD " + module + JSON.stringify(err, undefined, '\t'));
+					// console.log(module);
+					resolve({});
 				});
-			});
+			})));
+			// await new Promise((resolve, reject) => {
+			// 	require(modules, resolve, err => {
+			// 		console.log(err);
+			// 		reject(err);
+			// 	});
+			// });
 
 			// run
 			return new Promise((resolve, reject) => {
@@ -127,7 +133,6 @@
 			});
 		}
 
-
 		const modules = new URL(window.location.href).searchParams.getAll('m');
 		if (Array.isArray(modules) && modules.length > 0) {
 			console.log('MANUALLY running tests', modules);