Extract BaseAnalysisDriverTest.

pkg/analyzer/test/src/dart/analysis/base.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.
+
+import 'dart:async';
+
+import 'package:analyzer/file_system/file_system.dart';
+import 'package:analyzer/file_system/memory_file_system.dart';
+import 'package:analyzer/source/package_map_resolver.dart';
+import 'package:analyzer/src/dart/analysis/byte_store.dart';
+import 'package:analyzer/src/dart/analysis/driver.dart';
+import 'package:analyzer/src/dart/analysis/file_state.dart';
+import 'package:analyzer/src/dart/analysis/status.dart';
+import 'package:analyzer/src/generated/engine.dart' show AnalysisOptionsImpl;
+import 'package:analyzer/src/generated/source.dart';
+
+import '../../context/mock_sdk.dart';
+
+class BaseAnalysisDriverTest {
+  static final MockSdk sdk = new MockSdk();
+
+  final MemoryResourceProvider provider = new MemoryResourceProvider();
+  final ByteStore byteStore = new MemoryByteStore();
+  final FileContentOverlay contentOverlay = new FileContentOverlay();
+
+  final StringBuffer logBuffer = new StringBuffer();
+  PerformanceLog logger;
+
+  AnalysisDriverScheduler scheduler;
+  AnalysisDriver driver;
+  final _Monitor idleStatusMonitor = new _Monitor();
+  final List<AnalysisStatus> allStatuses = <AnalysisStatus>[];
+  final List<AnalysisResult> allResults = <AnalysisResult>[];
+
+  String testProject;
+  String testFile;
+  String testCode;
+
+  void addTestFile(String content, {bool priority: false}) {
+    testCode = content;
+    provider.newFile(testFile, content);
+    driver.addFile(testFile);
+    if (priority) {
+      driver.priorityFiles = [testFile];
+    }
+  }
+
+  void setUp() {
+    new MockSdk();
+    testProject = _p('/test/lib');
+    testFile = _p('/test/lib/test.dart');
+    logger = new PerformanceLog(logBuffer);
+    scheduler = new AnalysisDriverScheduler(logger);
+    driver = new AnalysisDriver(
+        scheduler,
+        logger,
+        provider,
+        byteStore,
+        contentOverlay,
+        new SourceFactory([
+          new DartUriResolver(sdk),
+          new PackageMapUriResolver(provider, <String, List<Folder>>{
+            'test': [provider.getFolder(testProject)]
+          }),
+          new ResourceUriResolver(provider)
+        ], null, provider),
+        new AnalysisOptionsImpl()..strongMode = true);
+    scheduler.start();
+    driver.status.lastWhere((status) {
+      allStatuses.add(status);
+      if (status.isIdle) {
+        idleStatusMonitor.notify();
+      }
+    });
+    driver.results.listen(allResults.add);
+  }
+
+  String _p(String path) => provider.convertPath(path);
+}
+
+class _Monitor {
+  Completer<Null> _completer = new Completer<Null>();
+
+  Future<Null> get signal async {
+    await _completer.future;
+    _completer = new Completer<Null>();
+  }
+
+  void notify() {
+    if (!_completer.isCompleted) {
+      _completer.complete(null);
+    }
+  }
+}