Added first implimentation of the Notification Service #8

Added tests to cover the notification service

PlexRequests.Services.Tests/NotificationServiceTests.cs

@@ -0,0 +1,116 @@
+#region Copyright
+// /************************************************************************
+//    Copyright (c) 2016 Jamie Rees
+//    File: NotificationServiceTests.cs
+//    Created By: Jamie Rees
+//   
+//    Permission is hereby granted, free of charge, to any person obtaining
+//    a copy of this software and associated documentation files (the
+//    "Software"), to deal in the Software without restriction, including
+//    without limitation the rights to use, copy, modify, merge, publish,
+//    distribute, sublicense, and/or sell copies of the Software, and to
+//    permit persons to whom the Software is furnished to do so, subject to
+//    the following conditions:
+//   
+//    The above copyright notice and this permission notice shall be
+//    included in all copies or substantial portions of the Software.
+//   
+//    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+//    EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+//    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+//    NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+//    LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+//    OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+//    WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//  ************************************************************************/
+#endregion
+using Moq;
+
+using NUnit.Framework;
+
+using PlexRequests.Services.Notification;
+
+namespace PlexRequests.Services.Tests
+{
+    [TestFixture]
+    public class NotificationServiceTests
+    {
+
+        [Test]
+        public void SubscribeNewNotifier()
+        {
+            var notificationMock = new Mock<INotification>();
+            notificationMock.SetupGet(x => x.NotificationName).Returns("Notification1");
+            NotificationService.Subscribe(notificationMock.Object);
+
+            Assert.That(NotificationService.Observers["Notification1"], Is.Not.Null);
+            Assert.That(NotificationService.Observers.Count, Is.EqualTo(1));
+        }
+
+        [Test]
+        public void SubscribeExistingNotifier()
+        {
+            var notificationMock1 = new Mock<INotification>();
+            var notificationMock2 = new Mock<INotification>();
+            notificationMock1.SetupGet(x => x.NotificationName).Returns("Notification1");
+            notificationMock2.SetupGet(x => x.NotificationName).Returns("Notification1");
+            NotificationService.Subscribe(notificationMock1.Object);
+
+            Assert.That(NotificationService.Observers["Notification1"], Is.Not.Null);
+            Assert.That(NotificationService.Observers.Count, Is.EqualTo(1));
+
+            NotificationService.Subscribe(notificationMock2.Object);
+
+            Assert.That(NotificationService.Observers["Notification1"], Is.Not.Null);
+            Assert.That(NotificationService.Observers.Count, Is.EqualTo(1));
+        }
+
+        [Test]
+        public void UnSubscribeMissingNotifier()
+        {
+            var notificationMock = new Mock<INotification>();
+            notificationMock.SetupGet(x => x.NotificationName).Returns("Notification1");
+            NotificationService.UnSubscribe(notificationMock.Object);
+
+            Assert.That(NotificationService.Observers.Count, Is.EqualTo(0));
+        }
+
+        [Test]
+        public void UnSubscribeNotifier()
+        {
+            var notificationMock = new Mock<INotification>();
+            notificationMock.SetupGet(x => x.NotificationName).Returns("Notification1");
+            NotificationService.Subscribe(notificationMock.Object);
+            Assert.That(NotificationService.Observers.Count, Is.EqualTo(1));
+
+            NotificationService.UnSubscribe(notificationMock.Object);
+            Assert.That(NotificationService.Observers.Count, Is.EqualTo(0));
+        }
+
+        [Test]
+        public void PublishWithNoObservers()
+        {
+            Assert.DoesNotThrow(
+                () =>
+                { NotificationService.Publish(string.Empty, string.Empty); });
+        }
+
+        [Test]
+        public void PublishAllNotifiers()
+        {
+            var notificationMock1 = new Mock<INotification>();
+            var notificationMock2 = new Mock<INotification>();
+            notificationMock1.SetupGet(x => x.NotificationName).Returns("Notification1");
+            notificationMock2.SetupGet(x => x.NotificationName).Returns("Notification2");
+            NotificationService.Subscribe(notificationMock1.Object);
+            NotificationService.Subscribe(notificationMock2.Object);
+
+            Assert.That(NotificationService.Observers.Count, Is.EqualTo(2));
+
+            NotificationService.Publish("a","b");
+
+            notificationMock1.Verify(x => x.Notify("a","b"), Times.Once);
+            notificationMock2.Verify(x => x.Notify("a","b"), Times.Once);
+        }
+    }
+}

PlexRequests.Services.Tests/PlexRequests.Services.Tests.csproj

@@ -55,6 +55,7 @@
     <Otherwise />
   </Choose>
   <ItemGroup>
+    <Compile Include="NotificationServiceTests.cs" />
     <Compile Include="PlexAvailabilityCheckerTests.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>