Pass Configuration to Loader and Server.

test/runner/loader_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/backend/state.dart';
 import 'package:test/src/backend/test_platform.dart';
+import 'package:test/src/runner/configuration.dart';
 import 'package:test/src/runner/loader.dart';
 import 'package:test/src/util/io.dart';
 import 'package:test/test.dart';
 
 import '../io.dart';
 import '../utils.dart';
 
 Loader _loader;
 String _sandbox;
 
 final _tests = """
 import 'dart:async';
 
 import 'package:test/test.dart';
 
 void main() {
   test("success", () {});
   test("failure", () => throw new TestFailure('oh no'));
   test("error", () => throw 'oh no');
 }
 """;
 
 void main() {
   setUp(() {
     _sandbox = createTempDir();
-    _loader = new Loader([TestPlatform.vm],
-        root: _sandbox,
-        packageRoot: p.join(packageDir, 'packages'));
+    _loader = new Loader(
+        new Configuration(packageRoot: p.join(packageDir, 'packages')),
+        root: _sandbox);
   });
 
   tearDown(() {
     new Directory(_sandbox).deleteSync(recursive: true);
     return _loader.close();
   });
 
   group(".loadFile()", () {
     var suite;
     setUp(() async {
@@ skipping 29 matching lines @@
       expectErrors(liveTest, []);
 
       return liveTest.run().whenComplete(() => liveTest.close());
     });
 
     test("can load and run a failing test", () {
       var liveTest = suite.tests[1].load(suite);
       expectSingleFailure(liveTest);
       return liveTest.run().whenComplete(() => liveTest.close());
     });
-
-    test("throws a nice error if the package root doesn't exist", () {
-      expect(() => new Loader([TestPlatform.chrome], root: _sandbox),
-          throwsA(isApplicationException(
-              "Directory ${p.prettyUri(p.toUri(p.join(_sandbox, 'packages')))} "
-                  "does not exist.")));
-    });
   });
 
   group(".loadDir()", () {
     test("ignores non-Dart files", () {
       new File(p.join(_sandbox, 'a_test.txt')).writeAsStringSync(_tests);
       expect(_loader.loadDir(_sandbox).toList(), completion(isEmpty));
     });
 
     test("ignores files in packages/ directories", () {
       var dir = p.join(_sandbox, 'packages');
@@ skipping 54 matching lines @@
 
     var liveTest = await loadSuite.tests.single.load(loadSuite);
     expect(liveTest.onPrint.first, completion(equals("print within test")));
     await liveTest.run();
     expectTestPassed(liveTest);
   });
 
   // TODO: Test load suites. Don't forget to test that prints in loaded files
   // are piped through the suite. Also for browser tests!
 }