Parameterize uri resolution and parsing of options, use package:path

test/enum_generator_test.dart

 #!/usr/bin/env 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.
 
 library enum_generator_test;
 
-import 'package:protoc-plugin/src/descriptor.pb.dart';
-import 'package:protoc-plugin/src/plugin.pb.dart';
-import 'package:protoc-plugin/protoc.dart';
+import 'package:protoc_plugin/src/descriptor.pb.dart';
+import 'package:protoc_plugin/src/plugin.pb.dart';
+import 'package:protoc_plugin/protoc.dart';
 import 'package:unittest/unittest.dart';
 
 void main() {
   test('testEnumGenerator', () {
     String expected = r'''
 class PhoneType extends ProtobufEnum {
   static const PhoneType MOBILE = const PhoneType._(0, 'MOBILE');
   static const PhoneType HOME = const PhoneType._(1, 'HOME');
   static const PhoneType WORK = const PhoneType._(2, 'WORK');
 
@@ skipping 22 matching lines @@
                 ..name = 'HOME'
                 ..number = 1,
             new EnumValueDescriptorProto()
                 ..name = 'WORK'
                 ..number = 2,
             new EnumValueDescriptorProto()
                 ..name = 'BUSINESS'
                 ..number = 2]);
     MemoryWriter buffer = new MemoryWriter();
     IndentingWriter writer = new IndentingWriter('  ', buffer);
-    var options =
-        new GenerationOptions(
-            new CodeGeneratorRequest(), new CodeGeneratorResponse());
-    EnumGenerator eg =
-        new EnumGenerator(
-            ed, null, new GenerationContext(options));
+    var options = parseGenerationOptions(
+        new CodeGeneratorRequest(), new CodeGeneratorResponse());
+    EnumGenerator eg = new EnumGenerator(ed, null,
+        new GenerationContext(options, new DefaultOutputConfiguration()));
     eg.generate(writer);
     expect(buffer.toString(), expected);
   });
 }