Convert analysis server over to use ContextBuilder

pkg/analysis_server/test/analysis_server_test.dart

Index: pkg/analysis_server/test/analysis_server_test.dart
diff --git a/pkg/analysis_server/test/analysis_server_test.dart b/pkg/analysis_server/test/analysis_server_test.dart
index 1c2e212ba51442c2abffb2569cbc0af1d3dec2da..af36f04a87b37bdb9915981d3aaeed67501f44d3 100644
--- a/pkg/analysis_server/test/analysis_server_test.dart
+++ b/pkg/analysis_server/test/analysis_server_test.dart
@@ -137,6 +137,7 @@ import "../foo/foo.dart";
     manager.processPlugins([plugin]);
     channel = new MockServerChannel();
     resourceProvider = new MemoryResourceProvider();
+    MockSdk sdk = new MockSdk(resourceProvider: resourceProvider);
     packageMapProvider = new MockPackageMapProvider();
     server = new AnalysisServer(
         channel,
@@ -145,7 +146,7 @@ import "../foo/foo.dart";
         null,
         plugin,
         new AnalysisServerOptions(),
-        new DartSdkManager('', false, (_) => new MockSdk()),
+        new DartSdkManager('/', false, (_) => sdk),
         InstrumentationService.NULL_SERVICE,
         rethrowExceptions: true);
     processRequiredPlugins();
@@ -286,29 +287,26 @@ import "../foo/foo.dart";
     expect(pair.source, isNull);
   }
 
-  test_getContextSourcePair_package_inRoot() {
-    String rootPath = '/my_package';
-    String filePath = rootPath + '/lib/file.dart';
-    Folder rootFolder = resourceProvider.newFolder(rootPath);
+  test_getContextSourcePair_simple() {
+    String dirPath = '/dir';
+    String filePath = dirPath + '/file.dart';
     resourceProvider.newFile(filePath, 'library lib;');
-
-    packageMapProvider.packageMap = <String, List<Folder>>{
-      'my_package': <Folder>[rootFolder]
-    };
     // create contexts
-    server.setAnalysisRoots('0', [rootPath], [], {});
+    server.setAnalysisRoots('0', [dirPath], [], {});
     // get pair
     ContextSourcePair pair = server.getContextSourcePair(filePath);
-    _assertContextOfFolder(pair.context, rootPath);
+    _assertContextOfFolder(pair.context, dirPath);
     Source source = pair.source;
     expect(source, isNotNull);
-    expect(source.uri.scheme, 'package');
+    expect(source.uri.scheme, 'file');
     expect(source.fullName, filePath);
   }
 
-  test_getContextSourcePair_simple() {
+  test_getContextSourcePair_withPackagesFile() {
     String dirPath = '/dir';
-    String filePath = dirPath + '/file.dart';
+    String packagesFilePath = dirPath + '/.packages';
+    resourceProvider.newFile(packagesFilePath, 'dir:lib/');
+    String filePath = dirPath + '/lib/file.dart';
     resourceProvider.newFile(filePath, 'library lib;');
     // create contexts
     server.setAnalysisRoots('0', [dirPath], [], {});
@@ -317,7 +315,7 @@ import "../foo/foo.dart";
     _assertContextOfFolder(pair.context, dirPath);
     Source source = pair.source;
     expect(source, isNotNull);
-    expect(source.uri.scheme, 'file');
+    expect(source.uri.scheme, 'package');
     expect(source.fullName, filePath);
   }