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Ombi.Services.Tests/NotificationServiceTests.cs

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+#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 System;
+using System.Threading.Tasks;
+using Moq;
+using NUnit.Framework;
+using Ombi.Services.Interfaces;
+using Ombi.Services.Notification;
+
+namespace Ombi.Services.Tests
+{
+    [TestFixture]
+    public class NotificationServiceTests
+    {
+        public NotificationService NotificationService { get; set; }
+
+        [SetUp]
+        public void Setup()
+        {
+            NotificationService = new NotificationService();
+        }
+
+        [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.DoesNotThrowAsync(
+                async() =>
+                { await NotificationService.Publish(new NotificationModel()); });
+        }
+
+        [Test]
+        public async Task 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));
+            var model = new NotificationModel { Title = "abc", Body = "test" };
+            await NotificationService.Publish(model);
+
+            notificationMock1.Verify(x => x.NotifyAsync(model), Times.Once);
+            notificationMock2.Verify(x => x.NotifyAsync(model), Times.Once);
+        }
+
+        [Test]
+        public async Task PublishWithException()
+        {
+            var notificationMock = new Mock<INotification>();
+            notificationMock.Setup(x => x.NotifyAsync(It.IsAny<NotificationModel>())).Throws<Exception>();
+            notificationMock.SetupGet(x => x.NotificationName).Returns("Notification1");
+            NotificationService.Subscribe(notificationMock.Object);
+            await NotificationService.Publish(new NotificationModel());
+        }
+    }
+}