write a test for running two precompiled browser tests (#2295)

jakemac53 · web-flow · commit 73e30fb94418 · 2024-10-18T07:50:01.000-07:00
This was intended as a regression test for #2294 but it actually passes 😭
diff --git a/pkgs/test/test/runner/precompiled_test.dart b/pkgs/test/test/runner/precompiled_test.dart
@@ -23,53 +23,36 @@ void main() {
   setUpAll(precompileTestExecutable);
 
   group('browser tests', () {
-    setUp(() async {
-      await d.file('to_precompile.dart', '''
-        import "package:test/bootstrap/browser.dart";
-        import "package:test/test.dart";
-
-        main(_) {
-          internalBootstrapBrowserTest(() => () => test("success", () {}));
-        }
-      ''').create();
-
-      await d.dir('precompiled', [
-        d.file('test.html', '''
-          <!DOCTYPE html>
-          <html>
-          <head>
-            <title>test Test</title>
-            <script src="test.dart.browser_test.dart.js"></script>
-          </head>
-          </html>
-        ''')
-      ]).create();
-
-      var dart2js = await TestProcess.start(
-          Platform.resolvedExecutable,
-          [
-            'compile',
-            'js',
-            ...Platform.executableArguments,
-            '--packages=${(await Isolate.packageConfig)!.toFilePath()}',
-            'to_precompile.dart',
-            '--out=precompiled/test.dart.browser_test.dart.js'
-          ],
-          workingDirectory: d.sandbox);
-      await dart2js.shouldExit(0);
-
-      await d.file('test.dart', 'invalid dart}').create();
+    setUpAll(() async {
+      await _precompileBrowserTest('test.dart');
     });
 
     test('run a precompiled version of a test rather than recompiling',
         () async {
-      var test = await runTest(
-          ['-p', 'chrome', '--precompiled=precompiled/', 'test.dart']);
+      var test = await runTest([
+        '-p',
+        'chrome',
+        '--precompiled=precompiled/',
+        'test.dart',
+      ]);
       expect(test.stdout,
           containsInOrder(['+0: success', '+1: All tests passed!']));
       await test.shouldExit(0);
     });
 
+    test('run two precompiled tests', () async {
+      await _precompileBrowserTest('test_2.dart');
+      var test = await runTest([
+        '-p',
+        'chrome',
+        '--precompiled=precompiled/',
+        'test.dart',
+        'test_2.dart',
+      ]);
+      expect(test.stdout, containsInOrder(['+2: All tests passed!']));
+      await test.shouldExit(0);
+    });
+
     test('can use the json reporter', () async {
       var test = await runTest([
         '-p',
@@ -239,3 +222,43 @@ Future<void> _writePackagesFile() async {
   await d.dir('.dart_tool').create();
   await savePackageConfig(config, Directory(d.sandbox));
 }
+
+Future<void> _precompileBrowserTest(String testPath) async {
+  var tmpDir = await Directory.systemTemp.createTemp('browser_test');
+  var file = File.fromUri(tmpDir.uri.resolve('precompiled.dart'));
+  await file.writeAsString('''
+        import "package:test/bootstrap/browser.dart";
+        import "package:test/test.dart";
+
+        main(_) {
+          internalBootstrapBrowserTest(() => () => test("success", () {}));
+        }
+      ''');
+
+  await d.dir('precompiled', [
+    d.file(p.setExtension(testPath, 'html'), '''
+          <!DOCTYPE html>
+          <html>
+          <head>
+            <title>test Test</title>
+            <script src="$testPath.browser_test.dart.js"></script>
+          </head>
+          </html>
+        ''')
+  ]).create();
+
+  var dart2js = await TestProcess.start(
+      Platform.resolvedExecutable,
+      [
+        'compile',
+        'js',
+        ...Platform.executableArguments,
+        '--packages=${(await Isolate.packageConfig)!.toFilePath()}',
+        file.path,
+        '--out=precompiled/$testPath.browser_test.dart.js'
+      ],
+      workingDirectory: d.sandbox);
+  await dart2js.shouldExit(0);
+
+  await d.file(testPath, 'invalid dart}').create();
+}
