restructure internal request to implement CompletionRequest API,

pkg/analysis_server/test/services/completion/completion_test_util.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.services.completion.util;
 
 import 'dart:async';
 
+import 'package:analysis_server/src/analysis_server.dart';
 import 'package:analysis_server/src/protocol.dart' as protocol
     show Element, ElementKind;
 import 'package:analysis_server/src/protocol.dart' hide Element, ElementKind;
 import 'package:analysis_server/src/services/completion/common_usage_computer.dart';
 import 'package:analysis_server/src/services/completion/completion_manager.dart';
 import 'package:analysis_server/src/services/completion/completion_target.dart';
 import 'package:analysis_server/src/services/completion/dart_completion_cache.dart';
 import 'package:analysis_server/src/services/completion/dart_completion_manager.dart';
 import 'package:analysis_server/src/services/completion/imported_reference_contributor.dart';
 import 'package:analysis_server/src/services/completion/prefixed_element_contributor.dart';
 import 'package:analysis_server/src/services/index/index.dart';
 import 'package:analysis_server/src/services/index/local_memory_index.dart';
 import 'package:analysis_server/src/services/search/search_engine_internal.dart';
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/element.dart';
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/source.dart';
 import 'package:unittest/unittest.dart';
 
 import '../../abstract_context.dart';
+import '../../operation/operation_queue_test.dart';
 
 int suggestionComparator(CompletionSuggestion s1, CompletionSuggestion s2) {
   String c1 = s1.completion.toLowerCase();
   String c2 = s2.completion.toLowerCase();
   return c1.compareTo(c2);
 }
 
 abstract class AbstractCompletionTest extends AbstractContextTest {
   Index index;
   SearchEngineImpl searchEngine;
@@ skipping 17 matching lines @@
   void addTestSource(String content) {
     expect(completionOffset, isNull, reason: 'Call addTestUnit exactly once');
     completionOffset = content.indexOf('^');
     expect(completionOffset, isNot(equals(-1)), reason: 'missing ^');
     int nextOffset = content.indexOf('^', completionOffset + 1);
     expect(nextOffset, equals(-1), reason: 'too many ^');
     content = content.substring(0, completionOffset) +
         content.substring(completionOffset + 1);
     testSource = addSource(testFile, content);
     cache = new DartCompletionCache(context, testSource);
-    request = new DartCompletionRequest(context, searchEngine, testSource,
-        completionOffset, cache, new CompletionPerformance());
+    AnalysisServer server = new AnalysisServerMock(searchEngine: searchEngine);
+    request = new DartCompletionRequest(
+        server, context, testSource, completionOffset, cache);
   }
 
   void assertHasNoParameterInfo(CompletionSuggestion suggestion) {
     expect(suggestion.parameterNames, isNull);
     expect(suggestion.parameterTypes, isNull);
     expect(suggestion.requiredParameterCount, isNull);
     expect(suggestion.hasNamedParameters, isNull);
   }
 
   void assertHasParameterInfo(CompletionSuggestion suggestion) {
@@ skipping 320 matching lines @@
       assertSuggestSetter(name);
     } else {
       assertNotSuggested(name);
     }
   }
 
   bool computeFast() {
     expect(computeFastResult, isNull);
     _completionManager = new DartCompletionManager(context, searchEngine,
         testSource, cache, [contributor], new CommonUsageComputer({}));
-    var result = _completionManager.computeFast(request);
+    var result =
+        _completionManager.computeFast(request, new CompletionPerformance());
     expect(request.replacementOffset, isNotNull);
     expect(request.replacementLength, isNotNull);
     computeFastResult = result.isEmpty;
     return computeFastResult;
   }
 
   Future computeFull(assertFunction(bool result), {bool fullAnalysis: true}) {
     if (computeFastResult == null) {
       computeFast();
     }
@@ skipping 1373 matching lines @@
         '/proj/testAB.dart', 'import "package:myBar/bar.dart"; class Foo { }');
     testFile = '/proj/completionTest.dart';
     addTestSource('class C {foo(){F^}}');
     computeFast();
     return computeFull((bool result) {
       expect(request.replacementOffset, completionOffset - 1);
       expect(request.replacementLength, 1);
       assertSuggestImportedClass('Foo',
           relevance: DART_RELEVANCE_LOW, importUri: 'testAB.dart');
       // TODO(danrubel) implement
-       assertSuggestImportedClass('Foo2',
+      assertSuggestImportedClass('Foo2',
           relevance: DART_RELEVANCE_LOW, importUri: 'package:myBar/bar.dart');
       assertSuggestImportedClass('Future',
           relevance: DART_RELEVANCE_LOW, importUri: 'dart:async');
     });
   }
 
   test_CascadeExpression_selector1() {
     // PropertyAccess  CascadeExpression  ExpressionStatement  Block
     addSource('/testB.dart', '''
       class B { }''');
@@ skipping 2529 matching lines @@
       assertNotSuggested('bar2');
       assertNotSuggested('_B');
       assertSuggestLocalClass('Y');
       assertSuggestLocalClass('C');
       assertSuggestLocalVariable('f', null);
       assertNotSuggested('x');
       assertNotSuggested('e');
     });
   }
 }