Roll Observatory packages and add a roll script

packages/analyzer/test/src/task/model_test.dart

Index: packages/analyzer/test/src/task/model_test.dart
diff --git a/packages/analyzer/test/src/task/model_test.dart b/packages/analyzer/test/src/task/model_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..00cdcfa24420877cc67479de735802c3aeb4ea47
--- /dev/null
+++ b/packages/analyzer/test/src/task/model_test.dart
@@ -0,0 +1,136 @@
+// 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/generated/java_engine.dart';
+import 'package:analyzer/src/task/model.dart';
+import 'package:analyzer/task/model.dart';
+import 'package:unittest/unittest.dart';
+
+import '../../generated/test_support.dart';
+import '../../reflective_tests.dart';
+import '../../utils.dart';
+import 'test_support.dart';
+
+main() {
+  initializeTestEnvironment();
+  runReflectiveTests(AnalysisTaskTest);
+  runReflectiveTests(ResultDescriptorImplTest);
+  runReflectiveTests(SimpleResultCachingPolicyTest);
+  runReflectiveTests(TaskDescriptorImplTest);
+}
+
+@reflectiveTest
+class AnalysisTaskTest extends EngineTestCase {
+  test_getRequiredInput_missingKey() {
+    AnalysisTarget target = new TestSource();
+    AnalysisTask task = new TestAnalysisTask(null, target);
+    task.inputs = {'a': 'b'};
+    expect(() => task.getRequiredInput('c'),
+        throwsA(new isInstanceOf<AnalysisException>()));
+  }
+
+  test_getRequiredInput_noInputs() {
+    AnalysisTarget target = new TestSource();
+    AnalysisTask task = new TestAnalysisTask(null, target);
+    expect(() => task.getRequiredInput('x'),
+        throwsA(new isInstanceOf<AnalysisException>()));
+  }
+
+  test_getRequiredInput_valid() {
+    AnalysisTarget target = new TestSource();
+    AnalysisTask task = new TestAnalysisTask(null, target);
+    String key = 'a';
+    String value = 'b';
+    task.inputs = {key: value};
+    expect(task.getRequiredInput(key), value);
+  }
+
+  test_getRequiredSource() {
+    AnalysisTarget target = new TestSource();
+    AnalysisTask task = new TestAnalysisTask(null, target);
+    expect(task.getRequiredSource(), target);
+  }
+}
+
+@reflectiveTest
+class ResultDescriptorImplTest extends EngineTestCase {
+  test_create_withCachingPolicy() {
+    ResultCachingPolicy policy = new SimpleResultCachingPolicy(128, 16);
+    ResultDescriptorImpl result =
+        new ResultDescriptorImpl('result', null, cachingPolicy: policy);
+    expect(result.cachingPolicy, same(policy));
+  }
+
+  test_create_withoutCachingPolicy() {
+    ResultDescriptorImpl result = new ResultDescriptorImpl('result', null);
+    ResultCachingPolicy cachingPolicy = result.cachingPolicy;
+    expect(cachingPolicy, isNotNull);
+    expect(cachingPolicy.maxActiveSize, -1);
+    expect(cachingPolicy.maxIdleSize, -1);
+  }
+
+  test_create_withoutContribution() {
+    expect(new ResultDescriptorImpl('name', null), isNotNull);
+  }
+
+  test_inputFor() {
+    AnalysisTarget target = new TestSource();
+    ResultDescriptorImpl result = new ResultDescriptorImpl('result', null);
+    TaskInput input = result.of(target);
+    expect(input, isNotNull);
+  }
+
+  test_name() {
+    String name = 'result';
+    ResultDescriptorImpl result = new ResultDescriptorImpl(name, null);
+    expect(result.name, name);
+  }
+}
+
+@reflectiveTest
+class SimpleResultCachingPolicyTest extends EngineTestCase {
+  test_create() {
+    ResultCachingPolicy policy = new SimpleResultCachingPolicy(256, 32);
+    expect(policy.maxActiveSize, 256);
+    expect(policy.maxIdleSize, 32);
+    expect(policy.measure(null), 1);
+  }
+}
+
+@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;
+    AnalysisTarget target = new TestSource();
+    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);
+  }
+}