Initial re-write of analysis context for the new task model

pkg/analyzer/test/src/task/driver_test.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.
 
 library test.src.task.driver_test;
 
 import 'dart:async';
 import 'dart:collection';
 
 import 'package:analyzer/src/cancelable_future.dart';
@@ skipping 205 matching lines @@
     task = new TestAnalysisTask(context, target, descriptor: descriptor);
     manager.addTaskDescriptor(descriptor);
     manager.addGeneralResult(result);
     context.priorityTargets.add(target);
 
     expect(driver.performAnalysisTask(), true);
     expect(driver.performAnalysisTask(), true);
     expect(driver.performAnalysisTask(), false);
   }
 
-  test_performAnalysisTask_inputsFirst() {
-    AnalysisTarget target = new TestSource();
-    ResultDescriptor resultA = new ResultDescriptor('resultA', -1);
-    ResultDescriptor resultB = new ResultDescriptor('resultB', -2);
-    // configure tasks
-    TestAnalysisTask task1;
-    TestAnalysisTask task2;
-    TaskDescriptor descriptor1 = new TaskDescriptor(
-        'task1', (context, target) => task1, (target) => {}, [resultA]);
-    TaskDescriptor descriptor2 = new TaskDescriptor('task2',
-        (context, target) => task2, (target) => {
-      'inputA': new SimpleTaskInput<int>(target, resultA)
-    }, [resultB]);
-    task1 = new TestAnalysisTask(context, target,
-        descriptor: descriptor1, results: [resultA], value: 10);
-    task2 = new TestAnalysisTask(context, target,
-        descriptor: descriptor2, value: 20);
-    manager.addTaskDescriptor(descriptor1);
-    manager.addTaskDescriptor(descriptor2);
-    context.explicitTargets.add(target);
-    manager.addGeneralResult(resultB);
-    // prepare work order
-    expect(driver.performAnalysisTask(), true);
-    expect(context.getCacheEntry(target).getValue(resultA), -1);
-    expect(context.getCacheEntry(target).getValue(resultB), -2);
-    // compute resultA
-    expect(driver.performAnalysisTask(), true);
-    expect(context.getCacheEntry(target).getValue(resultA), 10);
-    expect(context.getCacheEntry(target).getValue(resultB), -2);
-    // compute resultB
-    expect(driver.performAnalysisTask(), true);
-    expect(context.getCacheEntry(target).getValue(resultA), 10);
-    expect(context.getCacheEntry(target).getValue(resultB), 20);
-    // done
-    expect(driver.performAnalysisTask(), false);
-  }
-
   test_performAnalysisTask_infiniteLoop() {
     AnalysisTarget target = new TestSource();
     ResultDescriptor resultA = new ResultDescriptor('resultA', -1);
     ResultDescriptor resultB = new ResultDescriptor('resultB', -2);
+    // configure tasks
+    TestAnalysisTask task1;
+    TestAnalysisTask task2;
+    TaskDescriptor descriptor1 = new TaskDescriptor('task1',
+        (context, target) => task1, (target) => {
+      'inputB': new SimpleTaskInput<int>(target, resultB)
+    }, [resultA]);
+    TaskDescriptor descriptor2 = new TaskDescriptor('task2',
+        (context, target) => task2, (target) => {
+      'inputA': new SimpleTaskInput<int>(target, resultA)
+    }, [resultB]);
+    task1 = new TestAnalysisTask(context, target, descriptor: descriptor1);
+    task2 = new TestAnalysisTask(context, target, descriptor: descriptor2);
+    manager.addTaskDescriptor(descriptor1);
+    manager.addTaskDescriptor(descriptor2);
+    context.explicitTargets.add(target);
+    manager.addGeneralResult(resultB);
+    // prepare work order
+    expect(driver.performAnalysisTask(), true);
+    expect(driver.performAnalysisTask(), true);
+    CaughtException exception = context.getCacheEntry(target).exception;
+    expect(exception, isNotNull);
+    expect(exception.exception, new isInstanceOf<InfiniteTaskLoopException>());
+  }
+
+  test_performAnalysisTask_inputsFirst() {
+    AnalysisTarget target = new TestSource();
+    ResultDescriptor resultA = new ResultDescriptor('resultA', -1);
+    ResultDescriptor resultB = new ResultDescriptor('resultB', -2);
     // configure tasks
     TestAnalysisTask task1;
     TestAnalysisTask task2;
     TaskDescriptor descriptor1 = new TaskDescriptor(
-        'task1', (context, target) => task1, (target) => {
-      'inputB': new SimpleTaskInput<int>(target, resultB)
-    }, [resultA]);
+        'task1', (context, target) => task1, (target) => {}, [resultA]);
     TaskDescriptor descriptor2 = new TaskDescriptor('task2',
         (context, target) => task2, (target) => {
       'inputA': new SimpleTaskInput<int>(target, resultA)
     }, [resultB]);
-    task1 = new TestAnalysisTask(context, target, descriptor: descriptor1);
-    task2 = new TestAnalysisTask(context, target, descriptor: descriptor2);
+    task1 = new TestAnalysisTask(context, target,
+        descriptor: descriptor1, results: [resultA], value: 10);
+    task2 = new TestAnalysisTask(context, target,
+        descriptor: descriptor2, value: 20);
     manager.addTaskDescriptor(descriptor1);
     manager.addTaskDescriptor(descriptor2);
     context.explicitTargets.add(target);
     manager.addGeneralResult(resultB);
     // prepare work order
     expect(driver.performAnalysisTask(), true);
+    expect(context.getCacheEntry(target).getValue(resultA), -1);
+    expect(context.getCacheEntry(target).getValue(resultB), -2);
+    // compute resultA
     expect(driver.performAnalysisTask(), true);
-    CaughtException exception = context.getCacheEntry(target).exception;
-    expect(exception, isNotNull);
-    expect(exception.exception, new isInstanceOf<InfiniteTaskLoopException>());
+    expect(context.getCacheEntry(target).getValue(resultA), 10);
+    expect(context.getCacheEntry(target).getValue(resultB), -2);
+    // compute resultB
+    expect(driver.performAnalysisTask(), true);
+    expect(context.getCacheEntry(target).getValue(resultA), 10);
+    expect(context.getCacheEntry(target).getValue(resultB), 20);
+    // done
+    expect(driver.performAnalysisTask(), false);
   }
 
   test_performWorkItem_exceptionInTask() {
     AnalysisTarget target = new TestSource();
     ResultDescriptor result = new ResultDescriptor('result', null);
     CaughtException exception =
         new CaughtException(new AnalysisException(), null);
     TestAnalysisTask task;
     TaskDescriptor descriptor = new TaskDescriptor(
         'task', (context, target) => task, (target) => {}, [result]);
@@ skipping 202 matching lines @@
     WorkOrder order = new WorkOrder(manager, workItem);
     // "item" has no child items
     expect(order.moveNext(), isTrue);
     expect(order.current, workItem);
     // done
     expect(order.moveNext(), isFalse);
     expect(order.current, isNull);
   }
 }
 
-class _TestContext implements ExtendedAnalysisContext {
+class _TestContext implements InternalAnalysisContext {
   InternalAnalysisContext baseContext =
       AnalysisContextFactory.contextWithCore();
 
   @override
   List<AnalysisTarget> explicitTargets = <AnalysisTarget>[];
 
   Map<AnalysisTarget, CacheEntry> entryMap =
       new HashMap<AnalysisTarget, CacheEntry>();
 
   @override
@@ skipping 30 matching lines @@
 
   @override
   List<Source> get launchableClientLibrarySources =>
       baseContext.launchableClientLibrarySources;
 
   @override
   List<Source> get launchableServerLibrarySources =>
       baseContext.launchableServerLibrarySources;
 
   @override
+  LibraryResolverFactory get libraryResolverFactory =>
+      baseContext.libraryResolverFactory;
+
+  @override
   List<Source> get librarySources => baseContext.librarySources;
 
   @override
   Stream<SourcesChangedEvent> get onSourcesChanged =>
       baseContext.onSourcesChanged;
 
   @override
   List<Source> get prioritySources => baseContext.prioritySources;
 
   @override
   List<Source> get refactoringUnsafeSources =>
       baseContext.refactoringUnsafeSources;
 
   @override
-  LibraryResolverFactory get libraryResolverFactory =>
-      baseContext.libraryResolverFactory;
-
-  @override
   ResolverVisitorFactory get resolverVisitorFactory =>
       baseContext.resolverVisitorFactory;
 
   SourceFactory get sourceFactory => baseContext.sourceFactory;
 
   void set sourceFactory(SourceFactory factory) {
     baseContext.sourceFactory = factory;
   }
 
   @override
@@ skipping 274 matching lines @@
   void setContents(Source source, String contents) {
     baseContext.setContents(source, contents);
   }
 
   @override
   void visitCacheItems(void callback(Source source, SourceEntry dartEntry,
       DataDescriptor rowDesc, CacheState state)) {
     baseContext.visitCacheItems(callback);
   }
 }