Restore SEBPatch

SafeExamBrowser.Communication.UnitTests/Proxies/ServiceProxyTests.cs

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+/*
+ * Copyright (c) 2024 ETH Zürich, IT Services
+ * 
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+using System;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using Moq;
+using SafeExamBrowser.Communication.Contracts;
+using SafeExamBrowser.Communication.Contracts.Data;
+using SafeExamBrowser.Communication.Contracts.Proxies;
+using SafeExamBrowser.Communication.Proxies;
+using SafeExamBrowser.Configuration.Contracts;
+using SafeExamBrowser.Logging.Contracts;
+
+namespace SafeExamBrowser.Communication.UnitTests.Proxies
+{
+	[TestClass]
+	public class ServiceProxyTests
+	{
+		private Mock<ILogger> logger;
+		private Mock<IProxyObjectFactory> proxyObjectFactory;
+		private Mock<IProxyObject> proxy;
+		private ServiceProxy sut;
+
+		[TestInitialize]
+		public void Initialize()
+		{
+			var response = new ConnectionResponse
+			{
+				CommunicationToken = Guid.NewGuid(),
+				ConnectionEstablished = true
+			};
+
+			logger = new Mock<ILogger>();
+			proxyObjectFactory = new Mock<IProxyObjectFactory>();
+			proxy = new Mock<IProxyObject>();
+
+			proxy.Setup(p => p.Connect(null)).Returns(response);
+			proxy.Setup(o => o.State).Returns(System.ServiceModel.CommunicationState.Opened);
+			proxyObjectFactory.Setup(f => f.CreateObject(It.IsAny<string>())).Returns(proxy.Object);
+
+			sut = new ServiceProxy("net.pipe://random/address/here", proxyObjectFactory.Object, logger.Object, default(Interlocutor));
+			sut.Connect();
+		}
+
+		[TestMethod]
+		public void MustCorrectlySendSystemConfigurationUpdate()
+		{
+			proxy.Setup(p => p.Send(It.Is<SimpleMessage>(m => m.Purport == SimpleMessagePurport.UpdateSystemConfiguration))).Returns(new SimpleResponse(SimpleResponsePurport.Acknowledged));
+
+			var communication = sut.RunSystemConfigurationUpdate();
+
+			proxy.Verify(p => p.Send(It.Is<SimpleMessage>(m => m.Purport == SimpleMessagePurport.UpdateSystemConfiguration)), Times.Once);
+
+			Assert.IsTrue(communication.Success);
+		}
+
+		[TestMethod]
+		public void MustFailIfSystemConfigurationUpdateNotAcknowledged()
+		{
+			proxy.Setup(p => p.Send(It.Is<SimpleMessage>(m => m.Purport == SimpleMessagePurport.UpdateSystemConfiguration))).Returns<Response>(null);
+
+			var communication = sut.RunSystemConfigurationUpdate();
+
+			Assert.IsFalse(communication.Success);
+		}
+
+		[TestMethod]
+		public void MustCorrectlyStartSession()
+		{
+			var configuration = new ServiceConfiguration { SessionId = Guid.NewGuid() };
+
+			proxy.Setup(p => p.Send(It.IsAny<SessionStartMessage>())).Returns(new SimpleResponse(SimpleResponsePurport.Acknowledged));
+
+			var communication = sut.StartSession(configuration);
+
+			proxy.Verify(p => p.Send(It.Is<SessionStartMessage>(m => m.Configuration.SessionId == configuration.SessionId)), Times.Once);
+
+			Assert.IsTrue(communication.Success);
+		}
+
+		[TestMethod]
+		public void MustFailIfSessionStartNotAcknowledged()
+		{
+			proxy.Setup(p => p.Send(It.IsAny<SessionStartMessage>())).Returns<Response>(null);
+
+			var communication = sut.StartSession(new ServiceConfiguration());
+
+			Assert.IsFalse(communication.Success);
+		}
+
+		[TestMethod]
+		public void MustCorrectlyStopSession()
+		{
+			var sessionId = Guid.NewGuid();
+
+			proxy.Setup(p => p.Send(It.IsAny<SessionStopMessage>())).Returns(new SimpleResponse(SimpleResponsePurport.Acknowledged));
+
+			var communication = sut.StopSession(sessionId);
+
+			proxy.Verify(p => p.Send(It.Is<SessionStopMessage>(m => m.SessionId == sessionId)), Times.Once);
+
+			Assert.IsTrue(communication.Success);
+		}
+
+		[TestMethod]
+		public void MustFailIfSessionStopNotAcknowledged()
+		{
+			proxy.Setup(p => p.Send(It.IsAny<SessionStopMessage>())).Returns<Response>(null);
+
+			var communication = sut.StopSession(Guid.Empty);
+
+			Assert.IsFalse(communication.Success);
+		}
+
+		[TestMethod]
+		public void MustExecuteOperationsFailsafe()
+		{
+			proxy.Setup(p => p.Send(It.IsAny<Message>())).Throws<Exception>();
+
+			var configuration = sut.RunSystemConfigurationUpdate();
+			var start = sut.StartSession(default(ServiceConfiguration));
+			var stop = sut.StopSession(default(Guid));
+
+			Assert.IsFalse(configuration.Success);
+			Assert.IsFalse(start.Success);
+			Assert.IsFalse(stop.Success);
+		}
+	}
+}