Run src/task/strong tests with analysis driver.

pkg/analyzer/test/src/task/strong/strong_test_helper.dart

 // 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.
 
 // TODO(jmesserly): this file needs to be refactored, it's a port from
 // package:dev_compiler's tests
 library analyzer.test.src.task.strong.strong_test_helper;
 
 import 'dart:async';
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/standard_resolution_map.dart';
 import 'package:analyzer/dart/ast/token.dart';
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/error/error.dart';
 import 'package:analyzer/error/listener.dart';
 import 'package:analyzer/file_system/file_system.dart';
 import 'package:analyzer/file_system/memory_file_system.dart';
 import 'package:analyzer/source/error_processor.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/ast/token.dart';
 import 'package:analyzer/src/error/codes.dart';
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/source.dart';
 import 'package:source_span/source_span.dart';
 import 'package:test/test.dart';
 
 import '../../context/mock_sdk.dart';
 
 SourceSpanWithContext _createSpanHelper(
@@ skipping 188 matching lines @@
     });
     message.writeln();
   }
   fail('Checker errors do not match expected errors:\n\n$message');
 }
 
 class AbstractStrongTest {
   MemoryResourceProvider _resourceProvider = new MemoryResourceProvider();
   bool _checkCalled = false;
 
+  AnalysisContext _context = null;
+  AnalysisDriver _driver = null;
+
   bool get enableNewAnalysisDriver => false;
 
   /// Adds a file to check. The file should contain:
   ///
   ///   * all expected failures are listed in the source code using comments
   ///     immediately in front of the AST node that should contain the error.
   ///
   ///   * errors are formatted as a token `severity:ErrorCode`, where
   ///     `severity` is the ErrorSeverity the error would be reported at, and
   ///     `ErrorCode` is the error code's name.
@@ skipping 41 matching lines @@
     mockSdk.context.analysisOptions = analysisOptions;
 
     SourceFactory sourceFactory;
     {
       var uriResolver = new _TestUriResolver(_resourceProvider);
       sourceFactory =
           new SourceFactory([new DartUriResolver(mockSdk), uriResolver]);
     }
 
     CompilationUnit mainUnit;
-    AnalysisContext context = null;
-    AnalysisDriver driver = null;
     if (enableNewAnalysisDriver) {
-      // TODO(scheglov)
+      StringBuffer logBuffer = new StringBuffer();
+      FileContentOverlay fileContentOverlay = new FileContentOverlay();
+      PerformanceLog log = new PerformanceLog(logBuffer);
+      AnalysisDriverScheduler scheduler = new AnalysisDriverScheduler(log);
+      _driver = new AnalysisDriver(
+          scheduler,
+          log,
+          _resourceProvider,
+          new MemoryByteStore(),
+          fileContentOverlay,
+          'test',
+          sourceFactory,
+          analysisOptions);
+      scheduler.start();
+
+      mainUnit = (await _driver.getResult(mainFile.path)).unit;
     } else {
-      context = AnalysisEngine.instance.createAnalysisContext();
-      context.analysisOptions = analysisOptions;
-      context.sourceFactory = sourceFactory;
+      _context = AnalysisEngine.instance.createAnalysisContext();
+      _context.analysisOptions = analysisOptions;
+      _context.sourceFactory = sourceFactory;
 
       // Run the checker on /main.dart.
       Source mainSource = sourceFactory.forUri2(mainFile.toUri());
-      mainUnit = context.resolveCompilationUnit2(mainSource, mainSource);
+      mainUnit = _context.resolveCompilationUnit2(mainSource, mainSource);
     }
 
     var collector = new _ErrorCollector(analysisOptions);
 
     // Extract expectations from the comments in the test files, and
     // check that all errors we emit are included in the expected map.
     LibraryElement mainLibrary =
         resolutionMap.elementDeclaredByCompilationUnit(mainUnit).library;
     Set<LibraryElement> allLibraries = _reachableLibraries(mainLibrary);
     for (LibraryElement library in allLibraries) {
       for (CompilationUnitElement unit in library.units) {
         var errors = <AnalysisError>[];
         collector.errors = errors;
 
         var source = unit.source;
         if (source.uri.scheme == 'dart') {
           continue;
         }
 
-        var analysisResult = await _resolve(context, driver, source);
+        var analysisResult = await _resolve(source);
 
         errors.addAll(analysisResult.errors.where((e) =>
             // TODO(jmesserly): these are usually intentional dynamic calls.
             e.errorCode.name != 'UNDEFINED_METHOD' &&
             // We don't care about any of these:
             e.errorCode != HintCode.UNUSED_ELEMENT &&
             e.errorCode != HintCode.UNUSED_FIELD &&
             e.errorCode != HintCode.UNUSED_IMPORT &&
             e.errorCode != HintCode.UNUSED_LOCAL_VARIABLE &&
             e.errorCode != TodoCode.TODO));
@@ skipping 12 matching lines @@
     return check();
   }
 
   void setUp() {
     AnalysisEngine.instance.processRequiredPlugins();
   }
 
   void tearDown() {
     // This is a sanity check, in case only addFile is called.
     expect(_checkCalled, true, reason: 'must call check() method in test case');
+    _context?.dispose();
+    _driver?.dispose();
     AnalysisEngine.instance.clearCaches();
   }
 
-  Future<_TestAnalysisResult> _resolve(
-      AnalysisContext context, AnalysisDriver driver, Source source) async {
+  Future<_TestAnalysisResult> _resolve(Source source) async {
     if (enableNewAnalysisDriver) {
-      // TODO(scheglov) implement
-      throw new UnimplementedError();
+      var result = await _driver.getResult(source.fullName);
+      return new _TestAnalysisResult(source, result.unit, result.errors);
     } else {
-      List<Source> libraries = context.getLibrariesContaining(source);
-      var unit = context.resolveCompilationUnit2(source, libraries.single);
-      var errors = context.computeErrors(source);
+      List<Source> libraries = _context.getLibrariesContaining(source);
+      var unit = _context.resolveCompilationUnit2(source, libraries.single);
+      var errors = _context.computeErrors(source);
       return new _TestAnalysisResult(source, unit, errors);
     }
   }
 }
 
 class _ErrorCollector implements AnalysisErrorListener {
   final AnalysisOptions analysisOptions;
   List<AnalysisError> errors;
   final bool hints;
 
@@ skipping 73 matching lines @@
   @override
   Source resolveAbsolute(Uri uri, [Uri actualUri]) {
     if (uri.scheme == 'package') {
       return (provider.getResource(
               provider.convertPath('/packages/' + uri.path)) as File)
           .createSource(uri);
     }
     return super.resolveAbsolute(uri, actualUri);
   }
 }