Initial task support

pkg/analyzer/test/src/task/model_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.model_test;
+
+import 'package:analyzer/src/generated/engine.dart' hide AnalysisTask;
+import 'package:analyzer/src/task/model.dart';
+import 'package:analyzer/src/task/targets.dart';
+import 'package:analyzer/task/model.dart';
+import 'package:unittest/unittest.dart';
+
+import '../../generated/test_support.dart';
+import '../../reflective_tests.dart';
+import 'test_support.dart';
+
+main() {
+  groupSep = ' | ';
+  runReflectiveTests(ContributionPointImplTest);
+  runReflectiveTests(ResultDescriptorImplTest);
+  runReflectiveTests(TaskDescriptorImplTest);
+}
+
+@reflectiveTest
+class ContributionPointImplTest extends EngineTestCase {
+  test_contributors_empty() {
+    ContributionPointImpl point = new ContributionPointImpl('point');
+    List<ResultDescriptor> contributors = point.contributors;
+    expect(contributors, isNotNull);

[scheglov, 2015/01/21 14:50:48]

isEmpty already checks for null.

[Brian Wilkerson, 2015/01/26 04:54:52]

Done

+    expect(contributors, isEmpty);
+  }
+
+  test_contributors_nonEmpty() {
+    ResultDescriptorImpl result1 = new ResultDescriptorImpl('result1');
+    ResultDescriptorImpl result2 = new ResultDescriptorImpl('result2');
+    ContributionPointImpl point = new ContributionPointImpl('point');
+    point.recordContributor(result1);
+    point.recordContributor(result2);
+    List<ResultDescriptor> contributors = point.contributors;
+    expect(contributors, isNotNull);
+    expect(contributors.length, 2);

[scheglov, 2015/01/21 14:50:47]

hasLength(2) would print elements of contributors, so simplify failure analysis.

[Brian Wilkerson, 2015/01/26 04:54:52]

Done

+    if (!(contributors[0] == result1 && contributors[1] == result2) ||
+        (contributors[0] == result2 && contributors[1] == result1)) {

[scheglov, 2015/01/21 14:50:48]

Should negation be extracted to be applied to both ||-ed conditions?

[Brian Wilkerson, 2015/01/26 04:54:52]

I find it easier to read this way, but don't feel that strongly.

+      fail("Invalid contributors: $contributors");
+    }
+  }
+
+  test_create() {
+    expect(new ContributionPointImpl('name'), isNotNull);
+  }
+
+  test_name() {
+    String name = 'point';
+    ContributionPointImpl point = new ContributionPointImpl(name);
+    expect(point.name, name);
+  }
+}
+
+@reflectiveTest
+class ResultDescriptorImplTest extends EngineTestCase {
+  test_create_withContribution() {
+    ContributionPointImpl point = new ContributionPointImpl('point');
+    ResultDescriptorImpl result =
+        new ResultDescriptorImpl('result', contributesTo: point);
+    expect(result, isNotNull);
+    List<ResultDescriptor> contributors = point.contributors;
+    expect(contributors, isNotNull);
+    expect(contributors.length, 1);
+    expect(contributors[0], result);

[scheglov, 2015/01/21 14:50:47]

unorderedEquals could be used here.

[Brian Wilkerson, 2015/01/26 04:54:52]

Done

+  }
+
+  test_create_withoutContribution() {
+    expect(new ResultDescriptorImpl('name'), isNotNull);
+  }
+
+  test_inputFor() {
+    SourceTarget target = new SourceTarget(null);
+    ResultDescriptorImpl result = new ResultDescriptorImpl('result');
+    TaskInput input = result.inputFor(target);
+    expect(input, isNotNull);
+  }
+
+  test_name() {
+    String name = 'result';
+    ResultDescriptorImpl result = new ResultDescriptorImpl(name);
+    expect(result.name, name);
+  }
+}
+
+@reflectiveTest
+class TaskDescriptorImplTest extends EngineTestCase {
+  test_create() {
+    String name = 'name';
+    BuildTask buildTask = (context, target) {};
+    CreateTaskInputs createTaskInputs = (target) {};
+    List<ResultDescriptor> results = <ResultDescriptor>[];
+    TaskDescriptorImpl descriptor = new TaskDescriptorImpl(name, buildTask, createTaskInputs, results);
+    expect(descriptor, isNotNull);
+    expect(descriptor.name, name);
+    expect(descriptor.buildTask, equals(buildTask));
+    expect(descriptor.createTaskInputs, equals(createTaskInputs));
+    expect(descriptor.results, results);
+  }
+
+  test_createTask() {
+    BuildTask buildTask = (context, target) => new TestAnalysisTask(context, target);
+    CreateTaskInputs createTaskInputs = (target) {};
+    List<ResultDescriptor> results = <ResultDescriptor>[];
+    TaskDescriptorImpl descriptor = new TaskDescriptorImpl('name', buildTask, createTaskInputs, results);
+    AnalysisContext context = null;
+    SourceTarget target = new SourceTarget(null);
+    Map<String, dynamic> inputs = {};
+    AnalysisTask createTask = descriptor.createTask(context, target, inputs);
+    expect(createTask, isNotNull);
+    expect(createTask.context, context);
+    expect(createTask.inputs, inputs);
+    expect(createTask.target, target);
+  }
+}