Introduce boot.js: this finally makes it possible to load and run Todomvc

lib/testing/content_shell_test.dart

 // Copyright (c) 2013, 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.
 
 /**
  * Helper library to run tests in content_shell
  */
 library polymer.testing.end2end;
 
 import 'dart:io';
@@ skipping 39 matching lines @@
   var dir = new Directory(options.outDir);
   if (dir.existsSync() && options.deleteDir) {
     print('Cleaning old output for ${path.normalize(options.outDir)}');
     dir.deleteSync(recursive: true);
   }
   dir.createSync();
 
   for (var filePath in paths) {
     var filename = path.basename(filePath);
     test('compile $filename', () {
-      var testArgs = ['-o', options.outDir, '--basedir', options.baseDir]
+      var testArgs = ['-o', options.outDir,
+            '--basedir', options.baseDir, '--no-css']
           ..addAll(options.compilerArgs)
           ..add(filePath);
       expect(dwc.run(testArgs, printTime: false).then((res) {
         expect(res.messages.length, 0, reason: res.messages.join('\n'));
       }), completes);
     });
   }
 
   var filenames = paths.map(path.basename).toList();
   // Sort files to match the order in which run.sh runs diff.
   filenames.sort();
 
   // Get the path from "input" relative to "baseDir"
   var relativeToBase = path.relative(options.inputDir, from: options.baseDir);
   var finalOutDir = path.join(options.outDir, relativeToBase);
 
   runTests(String search) {
-    var outs;
+    var output;
 
-    test('content_shell run $search', () {
-      var args = ['--dump-render-tree'];
-      args.addAll(filenames.map((name) => 'file://$finalOutDir/$name$search'));
-      var env = {'DART_FLAGS': '--checked'};
-      expect(Process.run('content_shell', args, environment: env).then((res) {
-        expect(res.exitCode, 0, reason: 'content_shell exit code: '
-            '${res.exitCode}. Contents of stderr: \n${res.stderr}');
-        outs = res.stdout.split('#EOF\n')
-          .where((s) => !s.trim().isEmpty).toList();
-        expect(outs.length, filenames.length);
-      }), completes);
-    });
+    for (var filename in filenames) {

[Siggi Cherem (dart-lang), 2013/07/30 23:32:04]

I'm splitting each content_shell run to be separate from the others, seems to
give us more consistent results than trying to run multiple at once =(

+      test('content_shell run $filename$search', () {
+        var args = ['--dump-render-tree',
+            'file://$finalOutDir/$filename$search'];
+        var env = {'DART_FLAGS': '--checked'};
+        expect(Process.run('content_shell', args, environment: env).then((res) {
+          expect(res.exitCode, 0, reason: 'content_shell exit code: '
+              '${res.exitCode}. Contents of stderr: \n${res.stderr}');
+          var outs = res.stdout.split('#EOF\n')
+            .where((s) => !s.trim().isEmpty).toList();
+          expect(outs.length, 1);
+          output = outs.first;
+        }), completes);
+      });
 
-    for (int i = 0; i < filenames.length; i++) {
-      var filename = filenames[i];
-      // TODO(sigmund): remove this extra variable dartbug.com/8698
-      int j = i;
       test('verify $filename $search', () {
-        expect(outs, isNotNull, reason:
+        expect(output, isNotNull, reason:
           'Output not available, maybe content_shell failed to run.');
-        var output = outs[j];
         var outPath = path.join(options.outDir, '$filename.txt');
         new File(outPath).writeAsStringSync(output);
         if (options.isRenderTest) {
           var expectedPath = path.join(options.expectedDir, '$filename.txt');
           var expected = new File(expectedPath).readAsStringSync();
           expect(output, expected, reason: 'unexpected output for <$filename>');
         } else {
           bool passes = matches(
               new RegExp('All .* tests passed')).matches(output, {});
           expect(passes, true, reason: 'unit test failed:\n$output');
@@ skipping 60 matching lines @@
 
   factory _TestOptions(String baseDir, String inputDir, String expectedDir,
       String outDir, {List<String> arguments, String script, String pattern,
       bool deleteDir: true}) {
     if (arguments == null) arguments = new Options().arguments;
     if (script == null) script = new Options().script;
 
     var args = _parseArgs(arguments, script);
     if (args == null) return null;
     var compilerArgs = args.rest;
-    var filePattern = new RegExp(pattern != null ? pattern
-        : (compilerArgs.length > 0 ? compilerArgs.removeAt(0) : '.'));
+    var filePattern;
+    if (pattern != null) {
+      filePattern = new RegExp(pattern);
+    } else if (compilerArgs.length > 0) {
+      filePattern = new RegExp(compilerArgs[0]);
+      compilerArgs = compilerArgs.sublist(1);
+    } else {
+      filePattern = new RegExp('.');
+    }
 
     var scriptDir = path.absolute(path.dirname(script));
     baseDir = path.join(scriptDir, baseDir);
     inputDir = path.join(scriptDir, inputDir);
     outDir = path.join(scriptDir, outDir);
     if (expectedDir != null) {
       expectedDir = path.join(scriptDir, expectedDir);
     }
 
     return new _TestOptions._(baseDir, inputDir, expectedDir, outDir, deleteDir,
@@ skipping 23 matching lines @@
 
   try {
     var results = parser.parse(arguments);
     if (results['help']) return showUsage();
     return results;
   } on FormatException catch (e) {
     print(e.message);
     return showUsage();
   }
 }