fix #607, add support for package config file

test/worker/worker_test.dart

Index: test/worker/worker_test.dart
diff --git a/test/worker/worker_test.dart b/test/worker/worker_test.dart
index 6685acfda3490c08d6723cedb82178cfe5507d9c..10f1d2bbff4099cbc038ef8c179706c365832be5 100644
--- a/test/worker/worker_test.dart
+++ b/test/worker/worker_test.dart
@@ -153,6 +153,65 @@ main() {
     });
   });
 
+  group('package config', () {
+    final greetingDart = new File('test/worker/greeting.dart').absolute;
+    final helloDart = new File('test/worker/hello.dart').absolute;
+    final packageConfig = new File('test/worker/package_config').absolute;
+
+    final greetingJS = new File('test/worker/greeting.js').absolute;
+    final greetingSummary = new File('test/worker/greeting.sum').absolute;
+    final helloJS = new File('test/worker/hello_world.js').absolute;
+
+    setUp(() {
+      greetingDart.writeAsStringSync('String greeting = "hello";');
+      helloDart.writeAsStringSync('import "package:greet/greeting.dart";'
+          'main() => print(greeting);');
+      packageConfig.writeAsStringSync(
+          'greet:${new Directory('test/worker').absolute.uri}');
+    });
+
+    tearDown(() {
+      if (greetingDart.existsSync()) greetingDart.deleteSync();
+      if (helloDart.existsSync()) helloDart.deleteSync();
+      if (packageConfig.existsSync()) packageConfig.deleteSync();
+      if (greetingJS.existsSync()) greetingJS.deleteSync();
+      if (greetingSummary.existsSync()) greetingSummary.deleteSync();
+      if (helloJS.existsSync()) helloJS.deleteSync();
+    });
+
+    test('can resolve package imports', () {
+      var result = Process.runSync('dart', [
+        'bin/dartdevc.dart',
+        '--no-source-map',
+        '-o',
+        greetingJS.path,
+        '--packages',
+        packageConfig.path,
+        'package:greet/greeting.dart',
+      ]);
+      expect(result.stdout, isEmpty);
+      expect(result.stderr, isEmpty);
+      expect(result.exitCode, EXIT_CODE_OK);
+      expect(greetingJS.existsSync(), isTrue);
+      expect(greetingSummary.existsSync(), isTrue);
+
+      result = Process.runSync('dart', [
+        'bin/dartdevc.dart',
+        '--no-source-map',
+        '--no-summarize',
+        '-s',
+        greetingSummary.path,
+        '-o',
+        helloJS.path,
+        helloDart.path,
+      ]);
+      expect(result.stdout, isEmpty);
+      expect(result.stderr, isEmpty);
+      expect(result.exitCode, EXIT_CODE_OK);
+      expect(helloJS.existsSync(), isTrue);
+    });
+  });
+
   group('Error handling', () {
     final badFileDart = new File('test/worker/bad.dart').absolute;
     final badFileJs = new File('test/worker/bad.js').absolute;