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packages/analyzer/test/src/plugin/plugin_config_test.dart

Index: packages/analyzer/test/src/plugin/plugin_config_test.dart
diff --git a/packages/analyzer/test/src/plugin/plugin_config_test.dart b/packages/analyzer/test/src/plugin/plugin_config_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..cc06b9691654721572ea005573e4970d2d26726d
--- /dev/null
+++ b/packages/analyzer/test/src/plugin/plugin_config_test.dart
@@ -0,0 +1,127 @@
+// Copyright (c) 2015, 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.src.plugin.plugin_config_test;
+
+import 'package:analyzer/source/analysis_options_provider.dart';
+import 'package:analyzer/src/plugin/plugin_configuration.dart';
+import 'package:unittest/unittest.dart';
+import 'package:yaml/yaml.dart';
+
+main() {
+  group('plugin config tests', () {
+    group('parsing', () {
+      test('plugin map', () {
+        const optionsSrc = '''
+analyzer:
+  plugins:
+    my_plugin1: ^0.1.0 #shorthand 
+    my_plugin2:
+      version: ^0.2.0
+    my_plugin3:
+      class_name: MyPlugin
+      library_uri: myplugin/myplugin.dart
+      path: '/u/disk/src/'
+''';
+        var config = parseConfig(optionsSrc);
+        var plugins = pluginsSortedByName(config.plugins);
+        expect(plugins, hasLength(3));
+        expect(plugins[0].name, equals('my_plugin1'));
+        expect(plugins[0].version, equals('^0.1.0'));
+        expect(plugins[1].name, equals('my_plugin2'));
+        expect(plugins[1].version, equals('^0.2.0'));
+        expect(plugins[2].name, equals('my_plugin3'));
+        expect(plugins[2].version, isNull);
+        expect(plugins[2].path, equals('/u/disk/src/'));
+        expect(plugins[2].libraryUri, equals('myplugin/myplugin.dart'));
+        expect(plugins[2].className, equals('MyPlugin'));
+      });
+
+      test('plugin map (empty)', () {
+        const optionsSrc = '''
+analyzer:
+  plugins:
+    # my_plugin1: ^0.1.0 #shorthand 
+''';
+        var config = parseConfig(optionsSrc);
+        // Commented out plugins shouldn't cause a parse failure.
+        expect(config.plugins, hasLength(0));
+      });
+
+      test('plugin manifest', () {
+        const manifestSrc = '''
+class_name: AnalyzerPlugin
+library_uri: myplugin/analyzer_plugin.dart
+contributes_to: analyzer  
+''';
+        var manifest = parsePluginManifestString(manifestSrc);
+        var plugin = manifest.plugin;
+        expect(plugin.libraryUri, equals('myplugin/analyzer_plugin.dart'));
+        expect(plugin.className, equals('AnalyzerPlugin'));
+        expect(manifest.contributesTo, unorderedEquals(['analyzer']));
+      });
+
+      test('plugin manifest (contributes_to list)', () {
+        const manifestSrc = '''
+class_name: AnalyzerPlugin
+library_uri: myplugin/analyzer_plugin.dart
+contributes_to: 
+  - analyzer
+  - analysis_server  
+''';
+        var manifest = parsePluginManifestString(manifestSrc);
+        var plugin = manifest.plugin;
+        expect(plugin.libraryUri, equals('myplugin/analyzer_plugin.dart'));
+        expect(plugin.className, equals('AnalyzerPlugin'));
+        expect(manifest.contributesTo,
+            unorderedEquals(['analyzer', 'analysis_server']));
+      });
+
+      group('errors', () {
+        test('bad config format', () {
+          const optionsSrc = '''
+analyzer:
+  plugins:
+    - my_plugin1
+    - my_plugin2
+''';
+          try {
+            parseConfig(optionsSrc);
+            fail('expected PluginConfigFormatException');
+          } on PluginConfigFormatException catch (e) {
+            expect(
+                e.message,
+                equals(
+                    'Unrecognized plugin config format, expected `YamlMap`, got `YamlList`'));
+            expect(e.yamlNode, new isInstanceOf<YamlList>());
+          }
+        });
+        test('bad manifest format', () {
+          const manifestSource = '''
+library_uri:
+ - should be a scalar uri
+''';
+          try {
+            parsePluginManifestString(manifestSource);
+            fail('expected PluginConfigFormatException');
+          } on PluginConfigFormatException catch (e) {
+            expect(
+                e.message,
+                equals(
+                    'Unable to parse pugin manifest, expected `String`, got `YamlList`'));
+            expect(e.yamlNode, new isInstanceOf<YamlList>());
+          }
+        });
+      });
+    });
+  });
+}
+
+PluginConfig parseConfig(String optionsSrc) {
+  var options = new AnalysisOptionsProvider().getOptionsFromString(optionsSrc);
+  return new PluginConfig.fromOptions(options);
+}
+
+List<PluginInfo> pluginsSortedByName(Iterable<PluginInfo> plugins) =>
+    plugins.toList()..sort((p1, p2) => p1.name.compareTo(p2.name));