Analysis request `getReachableSources` (#24893).

pkg/analysis_server/test/domain_analysis_test.dart

Index: pkg/analysis_server/test/domain_analysis_test.dart
diff --git a/pkg/analysis_server/test/domain_analysis_test.dart b/pkg/analysis_server/test/domain_analysis_test.dart
index 640d2fdb697f3621b6d3f78041f702f5bca90496..6f57667682d788a65e3d3a6d97d54bb13da8e9b8 100644
--- a/pkg/analysis_server/test/domain_analysis_test.dart
+++ b/pkg/analysis_server/test/domain_analysis_test.dart
@@ -55,6 +55,27 @@ main() {
   group('updateContent', testUpdateContent);
 
   group('AnalysisDomainHandler', () {
+    test('getReachableSources', () async {

[Brian Wilkerson, 2015/12/02 01:56:27]

Maybe put this in a group?

Also test what happens if the file passed to the request is not being analyzed
(is not in an analysis root).

[pquitslund, 2015/12/02 16:40:22]

Done.

+      String fileA = '/project/a.dart';
+      String fileB = '/project/b.dart';
+      resourceProvider.newFile(fileA, 'import "b.dart";');
+      resourceProvider.newFile(fileB, '');
+
+      server.setAnalysisRoots('0', ['/project/'], [], {});
+
+      await server.onAnalysisComplete;
+
+      var request = new AnalysisGetReachableSourcesParams(fileA).toRequest('0');
+      var response = handler.handleRequest(request);
+
+      var json = response.toJson()[Response.RESULT];
+
+      // Sanity checks.
+      expect(json['sources'], hasLength(6));
+      expect(json['sources']['file:///project/a.dart'],
+          unorderedEquals(['dart:core', 'file:///project/b.dart']));

[Brian Wilkerson, 2015/12/02 01:56:27]

Perhaps verify that b.dart is a key in the map?

[pquitslund, 2015/12/02 16:40:22]

Done.

+    });
+
     group('setAnalysisRoots', () {
       Response testSetAnalysisRoots(
           List<String> included, List<String> excluded) {