Error Suppression FTW.

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';
 import 'package:analyzer/file_system/memory_file_system.dart';
 import 'package:analyzer/instrumentation/instrumentation.dart';
 import 'package:analyzer/src/generated/engine.dart';
+import 'package:analyzer/src/generated/error.dart';
 import 'package:analyzer/src/generated/source.dart';
 import 'package:analyzer/src/generated/source_io.dart';
 import 'package:package_config/packages.dart';
 import 'package:path/path.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 import 'package:unittest/unittest.dart';
 
 import 'mocks.dart';
 import 'utils.dart';
 
@@ skipping 105 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_error_filter_analysis_option() async {
+    // Create files.
+    newFile(
+        [projPath, AnalysisEngine.ANALYSIS_OPTIONS_FILE],
+        r'''
+analyzer:
+  errors:
+    unused_local_variable: ignore
+''');
+    // Setup context.
+    manager.setRoots(<String>[projPath], <String>[], <String, String>{});
+
+    // Verify filter setup.
+    List<ErrorFilter> filters =
+        callbacks.currentContext.getConfigurationData(CONFIGURED_ERROR_FILTERS);
+    expect(filters, isNotNull);
+    expect(filters, hasLength(1));
+    expect(
+        filters.first(new AnalysisError(
+            new TestSource(), 0, 1, HintCode.UNUSED_LOCAL_VARIABLE, [
+          ['x']
+        ])),
+        isTrue);
+  }
+
+  test_error_filter_analysis_option_synonyms() async {
+    // Create files.
+    newFile(
+        [projPath, AnalysisEngine.ANALYSIS_OPTIONS_FILE],
+        r'''
+analyzer:
+  errors:
+    unused_local_variable: ignore
+    ambiguous_import: false
+''');
+    // Setup context.
+    manager.setRoots(<String>[projPath], <String>[], <String, String>{});
+
+    // Verify filter setup.
+    List<ErrorFilter> filters =
+        callbacks.currentContext.getConfigurationData(CONFIGURED_ERROR_FILTERS);
+    expect(filters, isNotNull);
+    expect(filters, hasLength(2));
+  }
+
+  test_error_filter_analysis_option_unpsecified() async {
+    // Create files.
+    newFile(
+        [projPath, AnalysisEngine.ANALYSIS_OPTIONS_FILE],
+        r'''
+analyzer:
+#  errors:
+#    unused_local_variable: ignore
+''');
+    // Setup context.
+    manager.setRoots(<String>[projPath], <String>[], <String, String>{});
+
+    // Verify filter setup.
+    List<ErrorFilter> filters =
+        callbacks.currentContext.getConfigurationData(CONFIGURED_ERROR_FILTERS);
+    expect(filters, isEmpty);
+  }
+
   test_ignoreFilesInPackagesFolder() {
     // create a context with a pubspec.yaml file
     String pubspecPath = posix.join(projPath, 'pubspec.yaml');
     resourceProvider.newFile(pubspecPath, 'pubspec');
     // create a file in the "packages" folder
     String filePath1 = posix.join(projPath, 'packages', 'file1.dart');
     resourceProvider.newFile(filePath1, 'contents');
     // "packages" files are ignored initially
     manager.setRoots(<String>[projPath], <String>[], <String, String>{});
     expect(callbacks.currentContextFilePaths[projPath], isEmpty);
@@ skipping 77 matching lines @@
     // 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 analysis options file with ignore list.
     newFile(
-        [projPath, '.analysis_options'],
+        [projPath, AnalysisEngine.ANALYSIS_OPTIONS_FILE],
         r'''
 analyzer:
   exclude:
     - lib/nope.dart
     - 'sdk_ext/**'
 ''');
     // Setup context.
     manager.setRoots(<String>[projPath], <String>[], <String, String>{});
     // Verify that analysis options was parsed and the ignore patterns applied.
     Map<String, int> fileTimestamps =
@@ skipping 16 matching lines @@
     String otherLibPath = newFolder([projPath, 'other_lib']);
     newFile([otherLibPath, 'entry.dart']);
     newFile(
         [otherLibPath, 'pubspec.yaml'],
         r'''
 name: other_lib
 ''');
     // Setup analysis options file with ignore list that ignores the 'other_lib'
     // directory by name.
     newFile(
-        [projPath, '.analysis_options'],
+        [projPath, AnalysisEngine.ANALYSIS_OPTIONS_FILE],
         r'''
 analyzer:
   exclude:
     - 'other_lib'
 ''');
     // Setup context.
     manager.setRoots(<String>[projPath], <String>[], <String, String>{});
     // Verify that the context in other_lib wasn't created and that the
     // context in lib was created.
     var contexts =
@@ skipping 15 matching lines @@
     String otherLibPath = newFolder([projPath, 'other_lib']);
     newFile([otherLibPath, 'entry.dart']);
     newFile(
         [otherLibPath, 'pubspec.yaml'],
         r'''
   name: other_lib
   ''');
     // Setup analysis options file with ignore list that ignores 'other_lib'
     // and all descendants.
     newFile(
-        [projPath, '.analysis_options'],
+        [projPath, AnalysisEngine.ANALYSIS_OPTIONS_FILE],
         r'''
 analyzer:
   exclude:
     - 'other_lib/**'
   ''');
     // Setup context.
     manager.setRoots(<String>[projPath], <String>[], <String, String>{});
     // Verify that the context in other_lib wasn't created and that the
     // context in lib was created.
     var contexts =
@@ skipping 15 matching lines @@
     String otherLibPath = newFolder([projPath, 'other_lib']);
     newFile([otherLibPath, 'entry.dart']);
     newFile(
         [otherLibPath, 'pubspec.yaml'],
         r'''
 name: other_lib
 ''');
     // Setup analysis options file with ignore list that ignores 'other_lib'
     // and all immediate children.
     newFile(
-        [projPath, '.analysis_options'],
+        [projPath, AnalysisEngine.ANALYSIS_OPTIONS_FILE],
         r'''
 analyzer:
   exclude:
     - 'other_lib/*'
 ''');
     // Setup context.
     manager.setRoots(<String>[projPath], <String>[], <String, String>{});
     // Verify that the context in other_lib wasn't created and that the
     // context in lib was created.
     var contexts =
@@ skipping 770 matching lines @@
     String fileA = '$project/foo.dart';
     resourceProvider.newFile(fileA, '');
     manager.setRoots(<String>[project], <String>[], <String, String>{});
     callbacks.assertContextPaths([project]);
     callbacks.assertContextFiles(project, [fileA]);
   }
 
   test_strong_mode_analysis_option() async {
     // Create files.
     newFile(
-        [projPath, '.analysis_options'],
+        [projPath, AnalysisEngine.ANALYSIS_OPTIONS_FILE],
         r'''
 analyzer:
   strong-mode: true
 ''');
     String libPath = newFolder([projPath, LIB_NAME]);
     newFile([libPath, 'main.dart']);
     // Setup context.
     manager.setRoots(<String>[projPath], <String>[], <String, String>{});
     // Verify that analysis options was parsed and strong-mode set.
     Map<String, int> fileTimestamps =
@@ skipping 695 matching lines @@
 class TestUriResolver extends UriResolver {
   Map<Uri, Source> uriMap;
 
   TestUriResolver(this.uriMap);
 
   @override
   Source resolveAbsolute(Uri uri, [Uri actualUri]) {
     return uriMap[uri];
   }
 }