Add a hook to ContextBuilder needed by server

pkg/analyzer/test/src/context/builder_test.dart

 // Copyright (c) 2016, 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 analyzer.test.src.context.context_builder_test;
 
 import 'dart:io' as io;
 
 import 'package:analyzer/file_system/file_system.dart';
 import 'package:analyzer/file_system/memory_file_system.dart';
 import 'package:analyzer/file_system/physical_file_system.dart';
+import 'package:analyzer/source/package_map_resolver.dart';
 import 'package:analyzer/src/context/builder.dart';
+import 'package:analyzer/src/context/source.dart';
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/sdk.dart';
 import 'package:analyzer/src/generated/source.dart';
 import 'package:package_config/packages.dart';
 import 'package:package_config/src/packages_impl.dart';
 import 'package:path/path.dart' as path;
 import 'package:unittest/unittest.dart';
 
 import '../../generated/test_support.dart';
 import '../../reflective_tests.dart';
@@ skipping 196 matching lines @@
     });
   }
 
   void test_createPackageMap_none() {
     withTempDir((io.Directory tempDir) {
       Packages packages = builder.createPackageMap(tempDir.path);
       expect(packages, same(Packages.noPackages));
     });
   }
 
+  void test_createSourceFactory_fileProvider() {
+    withTempDir((io.Directory tempDir) {
+      createDefaultSdk(tempDir);
+      String rootPath = tempDir.path;
+      String projectPath = pathContext.join(rootPath, 'project');
+      String packageFilePath = pathContext.join(projectPath, '.packages');
+      String packageA = pathContext.join(rootPath, 'pkgs', 'a');
+      String packageB = pathContext.join(rootPath, 'pkgs', 'b');
+      createFile(
+          packageFilePath,
+          '''
+a:${pathContext.toUri(packageA)}
+b:${pathContext.toUri(packageB)}
+''');
+      AnalysisOptionsImpl options = new AnalysisOptionsImpl();
+      UriResolver resolver = new ResourceUriResolver(resourceProvider);
+      builder.fileResolverProvider = (folder) => resolver;
+      SourceFactoryImpl factory =
+          builder.createSourceFactory(projectPath, options);
+      expect(factory.resolvers, contains(same(resolver)));
+    });
+  }
+
   void test_createSourceFactory_noProvider_packages_embedder_extensions() {
     withTempDir((io.Directory tempDir) {
       createDefaultSdk(tempDir);
       String rootPath = tempDir.path;
       String projectPath = pathContext.join(rootPath, 'project');
       String packageFilePath = pathContext.join(projectPath, '.packages');
       String packageA = pathContext.join(rootPath, 'pkgs', 'a');
       String embedderPath = pathContext.join(packageA, '_embedder.yaml');
       String packageB = pathContext.join(rootPath, 'pkgs', 'b');
       String extensionPath = pathContext.join(packageB, '_sdkext');
@@ skipping 100 matching lines @@
       Source dartSource = factory.forUri('dart:core');
       expect(dartSource, isNotNull);
       expect(dartSource.fullName, '$defaultSdkPath/lib/core/core.dart');
 
       Source packageSource = factory.forUri('package:a/a.dart');
       expect(packageSource, isNotNull);
       expect(packageSource.fullName, pathContext.join(packageA, 'a.dart'));
     });
   }
 
+  void test_createSourceFactory_packageProvider() {
+    withTempDir((io.Directory tempDir) {
+      createDefaultSdk(tempDir);
+      String rootPath = tempDir.path;
+      String projectPath = pathContext.join(rootPath, 'project');
+      AnalysisOptionsImpl options = new AnalysisOptionsImpl();
+      UriResolver resolver = new PackageMapUriResolver(resourceProvider, {});
+      builder.packageResolverProvider = (folder) => resolver;
+      SourceFactoryImpl factory =
+          builder.createSourceFactory(projectPath, options);
+      expect(factory.resolvers, contains(same(resolver)));
+    });
+  }
+
   @failingTest
-  void test_createSourceFactory_provider() {
-    fail('Incomplete test');
-  }
-
-  @failingTest
   void test_findSdk_embedder_extensions() {
     // See test_createSourceFactory_noProvider_packages_embedder_extensions
     fail('Incomplete test');
   }
 
   @failingTest
   void test_findSdk_embedder_noExtensions() {
     // See test_createSourceFactory_noProvider_packages_embedder_noExtensions
     fail('Incomplete test');
   }
@@ skipping 290 matching lines @@
     expect(actual.lint, expected.lint);
     expect(actual.preserveComments, expected.preserveComments);
     expect(actual.strongMode, expected.strongMode);
     expect(actual.strongModeHints, expected.strongModeHints);
     expect(actual.implicitCasts, expected.implicitCasts);
     expect(actual.implicitDynamic, expected.implicitDynamic);
     expect(actual.trackCacheDependencies, expected.trackCacheDependencies);
     expect(actual.finerGrainedInvalidation, expected.finerGrainedInvalidation);
   }
 }