Converted Observatory vm-connect element

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

+// 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/mocks.dart';
+import 'package:observatory/models.dart' as M;
+import 'package:observatory/src/elements/nav/notify.dart';
+import 'package:observatory/src/elements/vm_connect_target.dart';
+import 'package:observatory/src/elements/vm_connect.dart';
+
+main() {
+  VMConnectElement.tag.ensureRegistration();
+
+  final String nTag = NavNotifyElement.tag.name;
+  final String tTag = VMConnectTargetElement.tag.name;
+
+  group('instantiation', () {
+    test('default', () {
+      final VMConnectElement e = new VMConnectElement(
+          new TargetRepositoryMock(),
+          new CrashDumpRepositoryMock(),
+          new NotificationRepositoryMock());
+      expect(e, isNotNull, reason: 'element correctly created');
+    });
+  });
+  test('is correctly listening', () async {
+    final targets = new TargetRepositoryMock();
+    final VMConnectElement e = new VMConnectElement(targets,
+        new CrashDumpRepositoryMock(), new NotificationRepositoryMock());
+    document.body.append(e);
+    await e.onRendered.first;
+    expect(targets.hasListeners, isTrue, reason: 'is listening');
+    e.remove();
+    await e.onRendered.first;
+    expect(targets.hasListeners, isFalse, reason: 'is no more listening');
+  });
+  group('elements', () {
+    test('created after attachment', () async {
+      final targets = new TargetRepositoryMock(list: const [
+          const TargetMock(name: 't-1'), const TargetMock(name: 't-2'),
+          ]);
+      final VMConnectElement e = new VMConnectElement(targets,
+          new CrashDumpRepositoryMock(), new NotificationRepositoryMock());
+      document.body.append(e);
+      await e.onRendered.first;
+      expect(targets.listInvoked, isTrue, reason: 'should invoke list()');
+      expect(targets.currentInvoked, isTrue, reason: 'should invoke current');
+      expect(e.children.length, isNonZero, reason: 'has elements');
+      expect(e.querySelectorAll(nTag).length, equals(1));
+      expect(e.querySelectorAll(tTag).length, equals(2));
+      e.remove();
+      await e.onRendered.first;
+      expect(e.children.length, isZero, reason: 'is empty');
+    });
+    test('react to update event', () async {
+      final list = <M.Target>[const TargetMock(name: 't-1')];
+      final targets = new TargetRepositoryMock(list: list);
+      final VMConnectElement e = new VMConnectElement(targets,
+          new CrashDumpRepositoryMock(), new NotificationRepositoryMock());
+      document.body.append(e);
+      await e.onRendered.first;
+      expect(e.querySelectorAll(tTag).length, equals(1));
+      list.add(const TargetMock(name: 't-2'));
+      targets.triggerChangeEvent();
+      await e.onRendered.first;
+      expect(e.querySelectorAll(tTag).length, equals(2));
+      e.remove();
+      await e.onRendered.first;
+      expect(e.children.length, isZero, reason: 'is empty');
+    });
+  });
+  group('invokes', () {
+    test('add on click', () async {
+      final address = 'ws://host:1234';
+      final list = <M.Target>[const TargetMock(name: 't-1')];
+      final targets = new TargetRepositoryMock(list: list,
+          add: expectAsync((String val) {
+            expect(val, equals(address));
+          }, count: 1, reason: 'should be invoked'));
+      final VMConnectElement e = new VMConnectElement(targets,
+          new CrashDumpRepositoryMock(), new NotificationRepositoryMock(),
+          address: address);
+      document.body.append(e);
+      await e.onRendered.first;
+      (e.querySelector('button.vm_connect') as ButtonElement).click();
+      e.remove();
+      await e.onRendered.first;
+    });
+    test('connect', () async {
+      final list = <M.Target>[const TargetMock(name: 't-1')];
+      final targets = new TargetRepositoryMock(list: list,
+          setCurrent: expectAsync((M.Target t) {
+            expect(t, equals(list[0]));
+          }, count: 1, reason: 'should be invoked'));
+      final VMConnectElement e = new VMConnectElement(targets,
+          new CrashDumpRepositoryMock(), new NotificationRepositoryMock());
+      document.body.append(e);
+      await e.onRendered.first;
+      (e.querySelector(tTag) as VMConnectTargetElement).connect();
+      e.remove();
+      await e.onRendered.first;
+    });
+    test('delete', () async {
+      final list = <M.Target>[const TargetMock(name: 't-1')];
+      final targets = new TargetRepositoryMock(list: list,
+          delete: expectAsync((M.Target t) {
+            expect(t, equals(list[0]));
+          }, count: 1, reason: 'should be invoked'));
+      final VMConnectElement e = new VMConnectElement(targets,
+          new CrashDumpRepositoryMock(), new NotificationRepositoryMock());
+      document.body.append(e);
+      await e.onRendered.first;
+      (e.querySelector(tTag) as VMConnectTargetElement).delete();
+      e.remove();
+      await e.onRendered.first;
+    });
+  });
+}