Embedded options discovery (#24943).

pkg/analysis_server/test/context_manager_test.dart

 // Copyright (c) 2014, 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 test.context.directory.manager;
 
 import 'dart:collection';
 
 import 'package:analysis_server/src/context_manager.dart';
 import 'package:analyzer/file_system/file_system.dart';
@@ skipping 75 matching lines @@
   void setUp() {
     resourceProvider = new MemoryResourceProvider();
     packageMapProvider = new MockPackageMapProvider();
     manager = new ContextManagerImpl(resourceProvider, providePackageResolver,
         packageMapProvider, InstrumentationService.NULL_SERVICE);
     callbacks = new TestContextManagerCallbacks(resourceProvider);
     manager.callbacks = callbacks;
     resourceProvider.newFolder(projPath);
   }
 
+  test_embedder_options() async {
+    // Create files.
+    String libPath = newFolder([projPath, LIB_NAME]);
+    String sdkExtPath = newFolder([projPath, 'sdk_ext']);
+    newFile([projPath, 'test', 'test.dart']);
+    newFile([sdkExtPath, 'entry.dart']);
+    // Setup _embedder.yaml.
+    newFile(
+        [libPath, '_embedder.yaml'],
+        r'''
+embedder_libs:
+  "dart:foobar": "../sdk_ext/entry.dart"
+analyzer:
+  strong-mode: true
+  language:
+    enableSuperMixins: true
+''');
+    // Setup .packages file
+    newFile(
+        [projPath, '.packages'],
+        r'''
+test_pack:lib/''');
+
+    // Setup .analysis_options
+    newFile(
+        [projPath, AnalysisEngine.ANALYSIS_OPTIONS_FILE],
+        r'''
+analyzer:
+  exclude:
+    - 'test/**'
+  language:
+    enableGenericMethods: true
+  errors:
+    unused_local_variable: false
+''');
+
+    // Setup context.
+    manager.setRoots(<String>[projPath], <String>[], <String, String>{});
+    await pumpEventQueue();
+
+    // Confirm that one context was created.
+    var contexts =
+        manager.contextsInAnalysisRoot(resourceProvider.newFolder(projPath));
+    expect(contexts, isNotNull);
+    expect(contexts, hasLength(1));
+    var context = contexts[0];
+
+    // Verify options.
+    //   * from `_embedder.yaml`:
+    expect(context.analysisOptions.strongMode, isTrue);
+    expect(context.analysisOptions.enableSuperMixins, isTrue);
+    //   * from `.analysis_options`:
+    expect(context.analysisOptions.enableGenericMethods, isTrue);
+    //     verify tests are excluded
+    expect(callbacks.currentContextFilePaths[projPath].keys,
+        ['/my/proj/sdk_ext/entry.dart']);
+
+    // Verify filter setup.
+    List<ErrorFilter> filters =
+        callbacks.currentContext.getConfigurationData(CONFIGURED_ERROR_FILTERS);
+    expect(filters, hasLength(1));
+    expect(
+        filters.first(new AnalysisError(
+            new TestSource(), 0, 1, HintCode.UNUSED_LOCAL_VARIABLE, [
+          ['x']
+        ])),
+        isTrue);
+
+    // Sanity check embedder libs.
+    var source = context.sourceFactory.forUri('dart:foobar');
+    expect(source, isNotNull);
+    expect(source.fullName, '/my/proj/sdk_ext/entry.dart');
+  }
+
   test_analysis_options_parse_failure() async {
     // Create files.
     String libPath = newFolder([projPath, LIB_NAME]);
     newFile([libPath, 'main.dart']);
     String sdkExtPath = newFolder([projPath, 'sdk_ext']);
     newFile([sdkExtPath, 'entry.dart']);
     String sdkExtSrcPath = newFolder([projPath, 'sdk_ext', 'src']);
     newFile([sdkExtSrcPath, 'part.dart']);
     // Setup analysis options file with ignore list.
     newFile(
@@ skipping 25 matching lines @@
     expect(subProjContextInfo, isNotNull);
     expect(subProjContextInfo.folder, subProjFolder);
     expect(projContextInfo.context != subProjContextInfo.context, isTrue);
     // Check that contextsInAnalysisRoot() works.
     List<AnalysisContext> contexts = manager.contextsInAnalysisRoot(projFolder);
     expect(contexts, hasLength(2));
     expect(contexts, contains(projContextInfo.context));
     expect(contexts, contains(subProjContextInfo.context));
   }
 
+  test_embedder_packagespec() async {
+    // Create files.
+    String libPath = newFolder([projPath, LIB_NAME]);
+    newFile([libPath, 'main.dart']);
+    newFile([libPath, 'nope.dart']);
+    String sdkExtPath = newFolder([projPath, 'sdk_ext']);
+    newFile([sdkExtPath, 'entry.dart']);
+    String sdkExtSrcPath = newFolder([projPath, 'sdk_ext', 'src']);
+    newFile([sdkExtSrcPath, 'part.dart']);
+    // Setup _embedder.yaml.
+    newFile(
+        [libPath, '_embedder.yaml'],
+        r'''
+embedder_libs:
+  "dart:foobar": "../sdk_ext/entry.dart"
+  "dart:typed_data": "../sdk_ext/src/part"
+  ''');
+    // Setup .packages file
+    newFile(
+        [projPath, '.packages'],
+        r'''
+test_pack:lib/''');
+    // Setup context.
+
+    manager.setRoots(<String>[projPath], <String>[], <String, String>{});
+    await pumpEventQueue();
+    // Confirm that one context was created.
+    var contexts =
+        manager.contextsInAnalysisRoot(resourceProvider.newFolder(projPath));
+    expect(contexts, isNotNull);
+    expect(contexts.length, equals(1));
+    var context = contexts[0];
+    var source = context.sourceFactory.forUri('dart:foobar');
+    expect(source, isNotNull);
+    expect(source.fullName, equals('/my/proj/sdk_ext/entry.dart'));
+    // We can't find dart:core because we didn't list it in our
+    // embedder_libs map.
+    expect(context.sourceFactory.forUri('dart:core'), isNull);
+    // We can find dart:typed_data because we listed it in our
+    // embedder_libs map.
+    expect(context.sourceFactory.forUri('dart:typed_data'), isNotNull);
+  }
+
   test_error_filter_analysis_option() async {
     // Create files.
     newFile(
         [projPath, AnalysisEngine.ANALYSIS_OPTIONS_FILE],
         r'''
 analyzer:
   errors:
     unused_local_variable: ignore
 ''');
     // Setup context.
@@ skipping 410 matching lines @@
       callbacks.now++;
       manager.refresh([resourceProvider.getResource(proj2Path)]);
       return pumpEventQueue().then((_) {
         expect(callbacks.currentContextPaths.toList(), unorderedEquals(roots));
         expect(callbacks.currentContextTimestamps[projPath], then);
         expect(callbacks.currentContextTimestamps[proj2Path], callbacks.now);
       });
     });
   }
 
-  test_embedder_packagespec() async {
-    // Create files.
-    String libPath = newFolder([projPath, LIB_NAME]);
-    newFile([libPath, 'main.dart']);
-    newFile([libPath, 'nope.dart']);
-    String sdkExtPath = newFolder([projPath, 'sdk_ext']);
-    newFile([sdkExtPath, 'entry.dart']);
-    String sdkExtSrcPath = newFolder([projPath, 'sdk_ext', 'src']);
-    newFile([sdkExtSrcPath, 'part.dart']);
-    // Setup _embedder.yaml.
-    newFile(
-        [libPath, '_embedder.yaml'],
-        r'''
-embedder_libs:
-  "dart:foobar": "../sdk_ext/entry.dart"
-  "dart:typed_data": "../sdk_ext/src/part"
-  ''');
-    // Setup .packages file
-    newFile(
-        [projPath, '.packages'],
-        r'''
-test_pack:lib/''');
-    // Setup context.
-
-    manager.setRoots(<String>[projPath], <String>[], <String, String>{});
-    await pumpEventQueue();
-    // Confirm that one context was created.
-    var contexts =
-        manager.contextsInAnalysisRoot(resourceProvider.newFolder(projPath));
-    expect(contexts, isNotNull);
-    expect(contexts.length, equals(1));
-    var context = contexts[0];
-    var source = context.sourceFactory.forUri('dart:foobar');
-    expect(source, isNotNull);
-    expect(source.fullName, equals('/my/proj/sdk_ext/entry.dart'));
-    // We can't find dart:core because we didn't list it in our
-    // embedder_libs map.
-    expect(context.sourceFactory.forUri('dart:core'), isNull);
-    // We can find dart:typed_data because we listed it in our
-    // embedder_libs map.
-    expect(context.sourceFactory.forUri('dart:typed_data'), isNotNull);
-  }
-
   test_sdk_ext_packagespec() async {
     // Create files.
     String libPath = newFolder([projPath, LIB_NAME]);
     newFile([libPath, 'main.dart']);
     newFile([libPath, 'nope.dart']);
     String sdkExtPath = newFolder([projPath, 'sdk_ext']);
     newFile([sdkExtPath, 'entry.dart']);
     String sdkExtSrcPath = newFolder([projPath, 'sdk_ext', 'src']);
     newFile([sdkExtSrcPath, 'part.dart']);
     // Setup sdk extension mapping.
@@ skipping 1312 matching lines @@
    */
   final ResourceProvider resourceProvider;
 
   TestContextManagerCallbacks(this.resourceProvider);
 
   /**
    * Iterable of the paths to contexts that currently exist.
    */
   Iterable<String> get currentContextPaths => currentContextTimestamps.keys;
 
-  /// If [disposition] has a package map, attempt to locate `_embedder.yaml`
-  /// files.
-  void _locateEmbedderYamls(InternalAnalysisContext context,
-                            FolderDisposition disposition) {
-    Map<String, List<Folder>> packageMap;
-    if (disposition is PackageMapDisposition) {
-      packageMap = disposition.packageMap;
-    } else if (disposition is PackagesFileDisposition) {
-      packageMap = disposition.buildPackageMap(resourceProvider);
-    }
-    context.embedderYamlLocator.refresh(packageMap);
-  }
-
   @override
   AnalysisContext addContext(Folder folder, FolderDisposition disposition) {
     String path = folder.path;
     expect(currentContextPaths, isNot(contains(path)));
     currentContextTimestamps[path] = now;
     currentContextFilePaths[path] = <String, int>{};
     currentContextSources[path] = new HashSet<Source>();
     currentContextDispositions[path] = disposition;
     currentContext = AnalysisEngine.instance.createAnalysisContext();
     _locateEmbedderYamls(currentContext, disposition);
@@ skipping 70 matching lines @@
     // non-existent file 'username@hostname.pid'.  To avoid these dummy links
     // causing the analyzer to thrash, just ignore links to non-existent files.
     return file.exists;
   }
 
   @override
   void updateContextPackageUriResolver(
       Folder contextFolder, FolderDisposition disposition) {
     currentContextDispositions[contextFolder.path] = disposition;
   }
+
+  /// If [disposition] has a package map, attempt to locate `_embedder.yaml`
+  /// files.
+  void _locateEmbedderYamls(
+      InternalAnalysisContext context, FolderDisposition disposition) {
+    Map<String, List<Folder>> packageMap;
+    if (disposition is PackageMapDisposition) {
+      packageMap = disposition.packageMap;
+    } else if (disposition is PackagesFileDisposition) {
+      packageMap = disposition.buildPackageMap(resourceProvider);
+    }
+    context.embedderYamlLocator.refresh(packageMap);
+  }
 }
 
 /**
  * A [Source] that knows it's [fullName].
  */
 class TestSource implements Source {
   TestSource();
 
   @override
   noSuchMethod(Invocation invocation) => super.noSuchMethod(invocation);
 }
 
 class TestUriResolver extends UriResolver {
   Map<Uri, Source> uriMap;
 
   TestUriResolver(this.uriMap);
 
   @override
   Source resolveAbsolute(Uri uri, [Uri actualUri]) {
     return uriMap[uri];
   }
 }