The 'analysis.implemented' notification implementation.

pkg/analysis_server/test/analysis/notification_implemented_test.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.analysis.notification.implemented;
+
+import 'dart:async';
+
+import 'package:analysis_server/src/constants.dart';
+import 'package:analysis_server/src/protocol.dart';
+import 'package:analysis_server/src/services/index/index.dart';
+import 'package:analysis_server/src/services/index/local_memory_index.dart';
+import 'package:test_reflective_loader/test_reflective_loader.dart';
+import 'package:unittest/unittest.dart';
+
+import '../analysis_abstract.dart';
+import '../utils.dart';
+
+main() {
+  initializeTestEnvironment();
+  defineReflectiveTests(AnalysisNotificationImplementedTest);
+}
+
+@reflectiveTest
+class AnalysisNotificationImplementedTest extends AbstractAnalysisTest {
+  List<ImplementedClass> implementedClasses;
+  List<ImplementedMember> implementedMembers;
+
+  /**
+   * Validates that there is an [ImplementedClass] at the offset of [search].
+   *
+   * If [length] is not specified explicitly, then length of an identifier
+   * from [search] is used.
+   */
+  void assertHasImplementedClass(String search, [int length = -1]) {
+    int offset = findOffset(search);
+    if (length == -1) {
+      length = findIdentifierLength(search);
+    }
+    for (ImplementedClass clazz in implementedClasses) {
+      if (clazz.offset == offset && clazz.length == length) {
+        return;
+      }
+    }
+    fail('Expect to find an implemented class at $offset'
+        ' in $implementedClasses');
+  }
+
+  /**
+   * Validates that there is an [ImplementedClass] at the offset of [search].
+   *
+   * If [length] is not specified explicitly, then length of an identifier
+   * from [search] is used.
+   */
+  void assertHasImplementedMember(String search, [int length = -1]) {
+    int offset = findOffset(search);
+    if (length == -1) {
+      length = findIdentifierLength(search);
+    }
+    for (ImplementedMember member in implementedMembers) {
+      if (member.offset == offset && member.length == length) {
+        return;
+      }
+    }
+    fail('Expect to find an implemented member at $offset'
+        ' in $implementedMembers');
+  }
+
+  /**
+   * Validates that there is no an [ImplementedClass] at the offset of [search].
+   *
+   * If [length] is not specified explicitly, then length of an identifier
+   * from [search] is used.
+   */
+  void assertNoImplementedMember(String search, [int length = -1]) {
+    int offset = findOffset(search);
+    if (length == -1) {
+      length = findIdentifierLength(search);
+    }
+    for (ImplementedMember member in implementedMembers) {
+      if (member.offset == offset) {
+        fail('Unexpected implemented member at $offset'
+            ' in $implementedMembers');
+      }
+    }
+  }
+
+  @override
+  Index createIndex() {
+    return createLocalMemoryIndex();
+  }
+
+  Future prepareImplementedElements() {
+    addAnalysisSubscription(AnalysisService.IMPLEMENTED, testFile);
+    Future waitForNotification(int times) {
+      if (times == 0 || implementedClasses != null) {
+        return new Future.value();
+      }
+      return new Future.delayed(
+          Duration.ZERO, () => waitForNotification(times - 1));
+    }
+    return waitForNotification(100);
+  }
+
+  void processNotification(Notification notification) {
+    if (notification.event == ANALYSIS_IMPLEMENTED) {
+      var params = new AnalysisImplementedParams.fromNotification(notification);
+      if (params.file == testFile) {
+        implementedClasses = params.classes;
+        implementedMembers = params.members;
+      }
+    }
+  }
+
+  void setUp() {
+    super.setUp();
+    createProject();
+  }
+
+  test_afterAnalysis() async {
+    addTestFile('''
+class A {}
+class B extends A {}
+''');
+    await waitForTasksFinished();
+    await prepareImplementedElements();
+    assertHasImplementedClass('A {');
+  }
+
+  test_class_extended() async {
+    addTestFile('''
+class A {}
+class B extends A {}
+''');
+    await prepareImplementedElements();
+    assertHasImplementedClass('A {');
+  }
+
+  test_class_implemented() async {
+    addTestFile('''
+class A {}
+class B implements A {}
+''');
+    await prepareImplementedElements();
+    assertHasImplementedClass('A {');
+  }
+
+  test_class_mixed() async {
+    addTestFile('''
+class A {}
+class B = Object with A;
+''');
+    await prepareImplementedElements();
+    assertHasImplementedClass('A {');
+  }
+
+  test_field_withField() async {
+    addTestFile('''
+class A {
+  int f; // A
+}
+class B extends A {
+  int f;
+}
+''');
+    await prepareImplementedElements();
+    assertHasImplementedMember('f; // A');
+  }
+
+  test_field_withGetter() async {
+    addTestFile('''
+class A {
+  int f; // A
+}
+class B extends A {
+  get f => null;
+}
+''');
+    await prepareImplementedElements();
+    assertHasImplementedMember('f; // A');
+  }
+
+  test_field_withSetter() async {
+    addTestFile('''
+class A {
+  int f; // A
+}
+class B extends A {
+  void set f(_) {}
+}
+''');
+    await prepareImplementedElements();
+    assertHasImplementedMember('f; // A');
+  }
+
+  test_getter_withField() async {
+    addTestFile('''
+class A {
+  get f => null; // A
+}
+class B extends A {
+  int f;
+}
+''');
+    await prepareImplementedElements();
+    assertHasImplementedMember('f => null; // A');
+  }
+
+  test_getter_withGetter() async {
+    addTestFile('''
+class A {
+  get f => null; // A
+}
+class B extends A {
+  get f => null;
+}
+''');
+    await prepareImplementedElements();
+    assertHasImplementedMember('f => null; // A');
+  }
+
+  test_method_withMethod() async {
+    addTestFile('''
+class A {
+  m() {} // A
+}
+class B extends A {
+  m() {} // B
+}
+''');
+    await prepareImplementedElements();
+    assertHasImplementedMember('m() {} // A');
+    assertNoImplementedMember('m() {} // B');
+  }
+
+  test_method_withMethod_indirectSubclass() async {
+    addTestFile('''
+class A {
+  m() {} // A
+}
+class B extends A {
+}
+class C extends A {
+  m() {}
+}
+''');
+    await prepareImplementedElements();
+    assertHasImplementedMember('m() {} // A');
+  }
+
+  test_method_withMethod_wasAbstract() async {
+    addTestFile('''
+abstract class A {
+  m(); // A
+}
+class B extends A {
+  m() {}
+}
+''');
+    await prepareImplementedElements();
+    assertHasImplementedMember('m(); // A');
+  }
+
+  test_setter_withField() async {
+    addTestFile('''
+class A {
+  set f(_) {} // A
+}
+class B extends A {
+  int f;
+}
+''');
+    await prepareImplementedElements();
+    assertHasImplementedMember('f(_) {} // A');
+  }
+
+  test_setter_withSetter() async {
+    addTestFile('''
+class A {
+  set f(_) {} // A
+}
+class B extends A {
+  set f(_) {} // B
+}
+''');
+    await prepareImplementedElements();
+    assertHasImplementedMember('f(_) {} // A');
+  }
+}