Support passing in a test suite directory through a flag to the testing scripts

tools/testing/dart/test_suite.dart

 // Copyright (c) 2012, 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.
 
 /**
  * Classes and methods for enumerating and preparing tests.
  *
  * This library includes:
  *
  * - Creating tests by listing all the Dart files in certain directories,
@@ skipping 624 matching lines @@
    * instead of having to create a custom [StandardTestSuite] subclass. In
    * particular, if you add 'path/to/mytestsuite' to [TEST_SUITE_DIRECTORIES]
    * in test.dart, this will all be set up for you.
    *
    * The [StandardTestSuite] also optionally takes a list of servers that have
    * been started up by the test harness, to be used by browser tests.
    */
   factory StandardTestSuite.forDirectory(Map configuration, Path directory) {
     final name = directory.filename;
 
+    var status_paths = ['$directory/$name.status',
+                        '$directory/.status',

[ricow1, 2014/09/01 13:00:48]

added this by request, since the file should live in the top level of the github
repo

+                        '$directory/${name}_dart2js.status',
+                        '$directory/${name}_analyzer.status',
+                        '$directory/${name}_analyzer2.status'];
+
     return new StandardTestSuite(configuration,
         name, directory,
-        ['$directory/$name.status', '$directory/${name}_dart2js.status',
-         '$directory/${name}_analyzer.status', '$directory/${name}_analyzer2.status'],
+        status_paths,
         isTestFilePredicate: (filename) => filename.endsWith('_test.dart'),
         recursive: true);
   }
 
   List<Uri> get dart2JsBootstrapDependencies {
     if (!useSdk) return [];
 
     var snapshotPath = TestUtils.absolutePath(new Path(buildDir).join(
         new Path('dart-sdk/bin/snapshots/'
                  'utils_wrapper.dart.snapshot'))).toString();
@@ skipping 62 matching lines @@
     updater.onUpdated.add(() => completer.complete(null));
 
     return completer.future;
   }
 
   /**
    * Reads the status files and completes with the parsed expectations.
    */
   Future<TestExpectations> readExpectations() {
     var statusFiles = statusFilePaths.where((String statusFilePath) {
-      // [forDirectory] adds name_$compiler.status for all tests suites.
-      // Use it if it exists, but otherwise skip it and don't fail.
-      if (statusFilePath.endsWith('_dart2js.status') ||
-          statusFilePath.endsWith('_analyzer.status') ||
-          statusFilePath.endsWith('_analyzer2.status')) {
-        var file = new File(dartDir.append(statusFilePath).toNativePath());
-        return file.existsSync();
-      }
-      return true;
+      var file = new File(dartDir.append(statusFilePath).toNativePath());

[ricow1, 2014/09/01 13:00:49]

this basically says:
allow any of the files specified above or non. If none it just means we expect
all tests to pass

+      return file.existsSync();
     }).map((statusFilePath) {
       return dartDir.append(statusFilePath).toNativePath();
     }).toList();
 
     return ReadTestExpectations(statusFiles, configuration);
   }
 
   Future enqueueTests() {
     Directory dir = new Directory(suiteDir.toNativePath());
     return dir.exists().then((exists) {
@@ skipping 1538 matching lines @@
  * $pass tests are expected to pass
  * $failOk tests are expected to fail that we won't fix
  * $fail tests are expected to fail that we should fix
  * $crash tests are expected to crash that we should fix
  * $timeout tests are allowed to timeout
  * $compileErrorSkip tests are skipped on browsers due to compile-time error
 """;
     print(report);
   }
 }