Add a LoadSuite class.

test/runner/browser/runner_test.dart

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 @TestOn("vm")
 
 import 'dart:io';
 
 import 'package:path/path.dart' as p;
 import 'package:test/src/util/io.dart';
@@ skipping 27 matching lines @@
   tearDown(() {
     new Directory(_sandbox).deleteSync(recursive: true);
   });
 
   group("fails gracefully if", () {
     test("a test file fails to compile", () {
       var testPath = p.join(_sandbox, "test.dart");
       new File(testPath).writeAsStringSync("invalid Dart file");
       var result = _runTest(["-p", "chrome", "test.dart"]);
 
-      expect(result.stdout,
-          contains("Expected a declaration, but got 'invalid'"));
+      var relativePath = p.relative(testPath, from: _sandbox);
       expect(result.stdout, allOf([
-        contains('-1: load error'),
-        contains(
-            'Failed to load "${p.relative(testPath, from: _sandbox)}": dart2js '
-                'failed.')
+        contains("Expected a declaration, but got 'invalid'"),
+        contains('-1: compiling $relativePath'),
+        contains('Failed to load "$relativePath": dart2js failed.')
       ]));
       expect(result.exitCode, equals(1));
     });
 
     test("a test file throws", () {
       var testPath = p.join(_sandbox, "test.dart");
       new File(testPath).writeAsStringSync("void main() => throw 'oh no';");
 
+      var relativePath = p.relative(testPath, from: _sandbox);
       var result = _runTest(["-p", "chrome", "test.dart"]);
       expect(result.stdout, allOf([
-        contains('-1: load error'),
-        contains(
-            'Failed to load "${p.relative(testPath, from: _sandbox)}": oh no')
+        contains('-1: compiling $relativePath'),
+        contains('Failed to load "$relativePath": oh no')
       ]));
       expect(result.exitCode, equals(1));
     });
 
     test("a test file doesn't have a main defined", () {
       var testPath = p.join(_sandbox, "test.dart");
       new File(testPath).writeAsStringSync("void foo() {}");
 
+      var relativePath = p.relative(testPath, from: _sandbox);
       var result = _runTest(["-p", "chrome", "test.dart"]);
       expect(result.stdout, allOf([
-        contains('-1: load error'),
-        contains(
-            'Failed to load "${p.relative(testPath, from: _sandbox)}": No '
-                'top-level main() function defined.')
+        contains('-1: compiling $relativePath'),
+        contains('Failed to load "$relativePath": No top-level main() function '
+            'defined.')
       ]));
       expect(result.exitCode, equals(1));
     });
 
     test("a test file has a non-function main", () {
       var testPath = p.join(_sandbox, "test.dart");
       new File(testPath).writeAsStringSync("int main;");
 
+      var relativePath = p.relative(testPath, from: _sandbox);
       var result = _runTest(["-p", "chrome", "test.dart"]);
       expect(result.stdout, allOf([
-        contains('-1: load error'),
-        contains(
-            'Failed to load "${p.relative(testPath, from: _sandbox)}": '
-                'Top-level main getter is not a function.\n')
+        contains('-1: compiling $relativePath'),
+        contains('Failed to load "$relativePath": Top-level main getter is not '
+            'a function.\n')
       ]));
       expect(result.exitCode, equals(1));
     });
 
     test("a test file has a main with arguments", () {
       var testPath = p.join(_sandbox, "test.dart");
       new File(testPath).writeAsStringSync("void main(arg) {}");
 
+      var relativePath = p.relative(testPath, from: _sandbox);
       var result = _runTest(["-p", "chrome", "test.dart"]);
       expect(result.stdout, allOf([
-        contains('-1: load error'),
-        contains(
-            'Failed to load "${p.relative(testPath, from: _sandbox)}": '
-                'Top-level main() function takes arguments.\n')
+        contains('-1: compiling $relativePath'),
+        contains('Failed to load "$relativePath": Top-level main() function '
+            'takes arguments.\n')
       ]));
       expect(result.exitCode, equals(1));
     });
 
     test("a custom HTML file has no script tag", () {
       var testPath = p.join(_sandbox, "test.dart");
       new File(testPath).writeAsStringSync("void main(arg) {}");
 
       new File(p.join(_sandbox, "test.html")).writeAsStringSync("""
 <html>
 <head>
   <link rel="x-dart-test" href="test.dart">
 </head>
 </html>
 """);
 
       var relativePath = p.relative(testPath, from: _sandbox);
       var result = _runTest(["-p", "content-shell", "test.dart"]);
       expect(result.stdout, allOf([
-        contains('-1: load error'),
+        contains('-1: loading $relativePath'),
         contains(
             'Failed to load "$relativePath": '
                 '"${p.withoutExtension(relativePath)}.html" must contain '
                 '<script src="packages/test/dart.js"></script>.\n')
       ]));
       expect(result.exitCode, equals(1));
     });
 
     test("a custom HTML file has no link", () {
       var testPath = p.join(_sandbox, "test.dart");
       new File(testPath).writeAsStringSync("void main(arg) {}");
 
       new File(p.join(_sandbox, "test.html")).writeAsStringSync("""
 <html>
 <head>
   <script src="packages/test/dart.js"></script>
 </head>
 </html>
 """);
 
+      var relativePath = p.relative(testPath, from: _sandbox);
       var result = _runTest(["-p", "content-shell", "test.dart"]);
       expect(result.stdout, allOf([
-        contains('-1: load error'),
+        contains('-1: loading $relativePath'),
         contains(
-            'Failed to load "${p.relative(testPath, from: _sandbox)}": '
+            'Failed to load "$relativePath": '
                 'Expected exactly 1 <link rel="x-dart-test"> in test.html, '
                 'found 0.\n')
       ]));
       expect(result.exitCode, equals(1));
     });
 
     test("a custom HTML file has too many links", () {
       var testPath = p.join(_sandbox, "test.dart");
       new File(testPath).writeAsStringSync("void main(arg) {}");
 
       new File(p.join(_sandbox, "test.html")).writeAsStringSync("""
 <html>
 <head>
   <link rel='x-dart-test' href='test.dart'>
   <link rel='x-dart-test' href='test.dart'>
   <script src="packages/test/dart.js"></script>
 </head>
 </html>
 """);
 
+      var relativePath = p.relative(testPath, from: _sandbox);
       var result = _runTest(["-p", "content-shell", "test.dart"]);
       expect(result.stdout, allOf([
-        contains('-1: load error'),
+        contains('-1: loading $relativePath'),
         contains(
-            'Failed to load "${p.relative(testPath, from: _sandbox)}": '
+            'Failed to load "$relativePath": '
                 'Expected exactly 1 <link rel="x-dart-test"> in test.html, '
                 'found 2.\n')
       ]));
       expect(result.exitCode, equals(1));
     });
 
     test("a custom HTML file has no href in the link", () {
       var testPath = p.join(_sandbox, "test.dart");
       new File(testPath).writeAsStringSync("void main(arg) {}");
 
       new File(p.join(_sandbox, "test.html")).writeAsStringSync("""
 <html>
 <head>
   <link rel='x-dart-test'>
   <script src="packages/test/dart.js"></script>
 </head>
 </html>
 """);
 
+      var relativePath = p.relative(testPath, from: _sandbox);
       var result = _runTest(["-p", "content-shell", "test.dart"]);
       expect(result.stdout, allOf([
-        contains('-1: load error'),
+        contains('-1: loading $relativePath'),
         contains(
-            'Failed to load "${p.relative(testPath, from: _sandbox)}": '
+            'Failed to load "$relativePath": '
                 'Expected <link rel="x-dart-test"> in test.html to have an '
                 '"href" attribute.\n')
       ]));
       expect(result.exitCode, equals(1));
     });
 
     test("a custom HTML file has an invalid test URL", () {
       var testPath = p.join(_sandbox, "test.dart");
       new File(testPath).writeAsStringSync("void main(arg) {}");
 
       new File(p.join(_sandbox, "test.html")).writeAsStringSync("""
 <html>
 <head>
   <link rel='x-dart-test' href='wrong.dart'>
   <script src="packages/test/dart.js"></script>
 </head>
 </html>
 """);
 
+      var relativePath = p.relative(testPath, from: _sandbox);
       var result = _runTest(["-p", "content-shell", "test.dart"]);
       expect(result.stdout, allOf([
-        contains('-1: load error'),
+        contains('-1: loading $relativePath'),
         contains(
-            'Failed to load "${p.relative(testPath, from: _sandbox)}": '
+            'Failed to load "$relativePath": '
                 'Failed to load script at ')
       ]));
       expect(result.exitCode, equals(1));
     });
 
     // TODO(nweiz): test what happens when a test file is unreadable once issue
     // 15078 is fixed.
   });
 
   group("runs successful tests", () {
@@ skipping 13 matching lines @@
       new File(p.join(_sandbox, "test.dart")).writeAsStringSync(_success);
       var result = _runTest(["-p", "content-shell", "test.dart"]);
       expect(result.stdout, isNot(contains("Compiling")));
       expect(result.exitCode, equals(0));
     });
 
     test("on a JS and non-JS browser", () {
       new File(p.join(_sandbox, "test.dart")).writeAsStringSync(_success);
       var result = _runTest(
           ["-p", "content-shell", "-p", "chrome", "test.dart"]);
-      expect("Compiling".allMatches(result.stdout), hasLength(1));
+      expect(result.stdout, contains("[Chrome] compiling"));
+      expect(result.stdout,
+          isNot(contains("[Dartium Content Shell] compiling")));
       expect(result.exitCode, equals(0));
     });
 
     test("on a browser and the VM", () {
       new File(p.join(_sandbox, "test.dart")).writeAsStringSync(_success);
       var result = _runTest(["-p", "content-shell", "-p", "vm", "test.dart"]);
       expect(result.exitCode, equals(0));
     });
 
     // Regression test; this broke in 0.12.0-beta.9.
@@ skipping 150 matching lines @@
         expect(result.exitCode, equals(1));
       });
 
       test("on Chrome", () {
         var result = _runTest(["-p", "chrome", "test.dart"]);
         expect(result.exitCode, equals(1));
       });
     });
   });
 
+  test("the compiler uses colors if the test runner uses colors", () {
+    var testPath = p.join(_sandbox, "test.dart");
+    new File(testPath).writeAsStringSync("String main() => 12;\n");
+
+    var result = _runTest(["--color", "-p", "chrome", "test.dart"]);
+    expect(result.stdout, contains('\u001b[35m'));
+    expect(result.exitCode, equals(1));
+  });
+
   test("forwards prints from the browser test", () {
     new File(p.join(_sandbox, "test.dart")).writeAsStringSync("""
 import 'dart:async';
 
 import 'package:test/test.dart';
 
 void main() {
   test("test", () {
     print("Hello,");
     return new Future(() => print("world!"));
@@ skipping 208 matching lines @@
 ''');
 
       var result = _runTest(["-p", "content-shell", "test.dart"]);
       expect(result.stdout, contains("+1: All tests passed!"));
     });
   });
 }
 
 ProcessResult _runTest(List<String> args) =>
     runTest(args, workingDirectory: _sandbox);