Converted Observatory object-common element

runtime/observatory/tests/observatory_ui/object_common/element_test.dart

Index: runtime/observatory/tests/observatory_ui/object_common/element_test.dart
diff --git a/runtime/observatory/tests/observatory_ui/object_common/element_test.dart b/runtime/observatory/tests/observatory_ui/object_common/element_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..bb83bc5cc3382b76e950f0920c071b7f6839b35a
--- /dev/null
+++ b/runtime/observatory/tests/observatory_ui/object_common/element_test.dart
@@ -0,0 +1,111 @@
+// Copyright (c) 2016, 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.
+
+import 'dart:html';
+import 'package:unittest/unittest.dart';
+import 'package:observatory/src/elements/class_ref.dart';
+import 'package:observatory/src/elements/inbound_references.dart';
+import 'package:observatory/src/elements/object_common.dart';
+import 'package:observatory/src/elements/retaining_path.dart';
+import '../mocks.dart';
+
+main() {
+  ObjectCommonElement.tag.ensureRegistration();
+
+  final cTag = ClassRefElement.tag.name;
+  final iTag = InboundReferencesElement.tag.name;
+  final rTag = RetainingPathElement.tag.name;
+
+  const isolate = const IsolateRefMock();
+  const object = const InstanceMock();
+  final reachableSizes = new ReachableSizeRepositoryMock();
+  final retainedSizes = new RetainedSizeRepositoryMock();
+  final inbounds = new InboundReferencesRepositoryMock();
+  final paths = new RetainingPathRepositoryMock();
+  final instances = new InstanceRepositoryMock();
+  test('instantiation', () {
+    final e = new ObjectCommonElement(isolate, object, retainedSizes,
+                                      reachableSizes, inbounds, paths,
+                                      instances);
+    expect(e, isNotNull, reason: 'element correctly created');
+    expect(e.isolate, equals(isolate));
+    expect(e.object, equals(object));
+  });
+  group('elements', () {
+    test('created after attachment', () async {
+      final e = new ObjectCommonElement(isolate, object, retainedSizes,
+                                        reachableSizes, inbounds, paths,
+                                        instances);
+      document.body.append(e);
+      await e.onRendered.first;
+      expect(e.children.length, isNonZero, reason: 'has elements');
+      expect(e.querySelectorAll(cTag).length, equals(1));
+      expect(e.querySelectorAll(iTag).length, equals(1));
+      expect(e.querySelectorAll(rTag).length, equals(1));
+      e.remove();
+      await e.onRendered.first;
+      expect(e.children.length, isZero, reason: 'is empty');
+    });
+    test('created after attachment', () async {
+      const value = const GuardedMock<InstanceMock>.fromValue(
+        const InstanceMock(valueAsString: '10')
+      );
+      bool invoked = false;
+      final reachableSizes = new ReachableSizeRepositoryMock(
+        getter: expectAsync((i, id) async {
+          expect(i, equals(isolate));
+          expect(id, equals(object.id));
+          invoked = true;
+          return value;
+        }, count: 1)
+      );
+      final e = new ObjectCommonElement(isolate, object, retainedSizes,
+                                        reachableSizes, inbounds, paths,
+                                        instances);
+      document.body.append(e);
+      await e.onRendered.first;
+      expect(invoked, isFalse);
+      expect(e.children.length, isNonZero, reason: 'has elements');
+      expect(e.querySelectorAll(cTag).length, equals(1));
+      expect(e.querySelectorAll(iTag).length, equals(1));
+      expect(e.querySelectorAll(rTag).length, equals(1));
+      e.querySelector('.reachable_size').click();
+      await e.onRendered.first;
+      expect(invoked, isTrue);
+      e.remove();
+      await e.onRendered.first;
+      expect(e.children.length, isZero, reason: 'is empty');
+    });
+    test('created after attachment', () async {
+      const value = const GuardedMock<InstanceMock>.fromValue(
+        const InstanceMock(valueAsString: '10')
+      );
+      bool invoked = false;
+      final retainedSizes = new RetainedSizeRepositoryMock(
+        getter: expectAsync((i, id) async {
+          expect(i, equals(isolate));
+          expect(id, equals(object.id));
+          invoked = true;
+          return value;
+        }, count: 1)
+      );
+      final e = new ObjectCommonElement(isolate, object, retainedSizes,
+                                        reachableSizes, inbounds, paths,
+                                        instances);
+      document.body.append(e);
+      await e.onRendered.first;
+      expect(invoked, isFalse);
+      expect(e.children.length, isNonZero, reason: 'has elements');
+      expect(e.querySelectorAll(cTag).length, equals(1));
+      expect(e.querySelectorAll(iTag).length, equals(1));
+      expect(e.querySelectorAll(rTag).length, equals(1));
+      e.querySelector('.retained_size').click();
+      await e.onRendered.first;
+      expect(invoked, isTrue);
+      e.remove();
+      await e.onRendered.first;
+      expect(e.children.length, isZero, reason: 'is empty');
+    });
+  });
+}