Create html if needed in server mode

test/dependency_graph_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.
 
 library dev_compiler.test.dependency_graph_test;
 
 import 'package:unittest/unittest.dart';
 
 import 'package:dev_compiler/src/checker/dart_sdk.dart'
     show mockSdkSources, dartSdkDirectory;
-import 'package:dev_compiler/src/testing.dart';
+import 'package:dev_compiler/src/in_memory.dart';
 import 'package:dev_compiler/src/options.dart';
 import 'package:dev_compiler/src/checker/resolver.dart';
 import 'package:dev_compiler/src/dependency_graph.dart';
 import 'package:dev_compiler/src/report.dart';
 import 'package:path/path.dart' as path;
 
 import 'test_util.dart';
 
 void main() {
   configureTest();
@@ skipping 32 matching lines @@
     '/a8.dart': 'library a8; import "a8.dart";',
     '/a9.dart': 'library a9; import "a8.dart";',
     '/a10.dart': 'library a10;',
   };
 
   nodeOf(String filepath) => graph.nodeFromUri(new Uri.file(filepath));
 
   setUp(() {
     /// We completely reset the TestUriResolver to avoid interference between
     /// tests (since some tests modify the state of the files).
-    testUriResolver = new TestUriResolver(testFiles);
+    testUriResolver = new InMemoryUriResolver(testFiles);
     context = new TypeResolver.fromMock(mockSdkSources, options,
         otherResolvers: [testUriResolver]).context;
     graph = new SourceGraph(context, new LogReporter(), options);
   });
 
   group('HTML deps', () {
     test('initial deps', () {
       var i1 = nodeOf('/index1.html');
       var i2 = nodeOf('/index2.html');
       expect(i1.scripts.length, 0);
@@ skipping 1027 matching lines @@
         source.contents.data = "hi";
         source.contents.modificationTime++;
         results = [];
         rebuild(node, graph, buildWithTransitiveChange);
         expect(results, ['bar.dart', 'foo.dart']);
       });
     });
 
     group('null for non-existing files', () {
       setUp(() {
-        testUriResolver =
-            new TestUriResolver(testFiles, representNonExistingFiles: false);
+        testUriResolver = new InMemoryUriResolver(testFiles,
+            representNonExistingFiles: false);
         context = new TypeResolver.fromMock(mockSdkSources, options,
             otherResolvers: [testUriResolver]).context;
         graph = new SourceGraph(context, new LogReporter(), options);
       });
 
       test('recognize locally change between existing and not-existing', () {
         var n = nodeOf('/foo.dart');
         expect(n.source, isNull);
-        var source = new TestSource(new Uri.file('/foo.dart'), "hi");
+        var source = new InMemorySource(new Uri.file('/foo.dart'), "hi");
         testUriResolver.files[source.uri] = source;
         expect(n.source, isNull);
         n.update(graph);
         expect(n.source, source);
         expect(n.source.exists(), isTrue);
         expect(n.needsRebuild, isTrue);
       });
 
       test('non-existing files are tracked in dependencies', () {
         var s1 =
-            new TestSource(new Uri.file('/foo.dart'), "import 'bar.dart';");
+            new InMemorySource(new Uri.file('/foo.dart'), "import 'bar.dart';");
         testUriResolver.files[s1.uri] = s1;
         var node = nodeOf('/foo.dart');
         rebuild(node, graph, buildNoTransitiveChange);
         expect(node.allDeps.length, 1);
         expect(node.allDeps.contains(nodeOf('/bar.dart')), isTrue);
         expect(nodeOf('/bar.dart').source, isNull);
 
-        var s2 = new TestSource(new Uri.file('/bar.dart'), "hi");
+        var s2 = new InMemorySource(new Uri.file('/bar.dart'), "hi");
         testUriResolver.files[s2.uri] = s2;
         results = [];
         rebuild(node, graph, buildWithTransitiveChange);
         expect(results, ['bar.dart', 'foo.dart']);
       });
     });
   });
 }
 
 expectGraph(SourceNode node, String expectation) {
@@ skipping 40 matching lines @@
 }
 
 final runtimeFilesWithoutPath = defaultRuntimeFiles
     .map((f) => f.replaceAll('dart/', ''))
     .toList(growable: false);
 final _RUNTIME_GRAPH = runtimeFilesWithoutPath.map((s) => '|--  $s').join('\n');
 final _RUNTIME_GRAPH_REBUILD =
     runtimeFilesWithoutPath.map((s) => '|--  $s [needs-rebuild]').join('\n');
 
 bool _same(Set a, Set b) => a.length == b.length && a.containsAll(b);