Restore SEBPatch

SafeExamBrowser.Runtime.UnitTests/Operations/SessionActivationOperationTests.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 Microsoft.VisualStudio.TestTools.UnitTesting;
+using Moq;
+using SafeExamBrowser.Configuration.Contracts;
+using SafeExamBrowser.Core.Contracts.OperationModel;
+using SafeExamBrowser.Logging.Contracts;
+using SafeExamBrowser.Runtime.Operations;
+using SafeExamBrowser.Settings;
+using SafeExamBrowser.Settings.Logging;
+
+namespace SafeExamBrowser.Runtime.UnitTests.Operations
+{
+	[TestClass]
+	public class SessionActivationOperationTests
+	{
+		private SessionConfiguration currentSession;
+		private Mock<ILogger> logger;
+		private SessionConfiguration nextSession;
+		private AppSettings nextSettings;
+		private SessionContext sessionContext;
+
+		private SessionActivationOperation sut;
+
+		[TestInitialize]
+		public void Initialize()
+		{
+			currentSession = new SessionConfiguration();
+			logger = new Mock<ILogger>();
+			nextSession = new SessionConfiguration();
+			nextSettings = new AppSettings();
+			sessionContext = new SessionContext();
+
+			nextSession.Settings = nextSettings;
+			sessionContext.Current = currentSession;
+			sessionContext.Next = nextSession;
+
+			sut = new SessionActivationOperation(logger.Object, sessionContext);
+		}
+
+		[TestMethod]
+		public void Perform_MustCorrectlyActivateFirstSession()
+		{
+			sessionContext.Current = null;
+
+			var result = sut.Perform();
+
+			Assert.AreEqual(OperationResult.Success, result);
+			Assert.AreSame(sessionContext.Current, nextSession);
+			Assert.IsNull(sessionContext.Next);
+		}
+
+		[TestMethod]
+		public void Perform_MustCorrectlySwitchLogSeverity()
+		{
+			nextSettings.LogLevel = LogLevel.Info;
+
+			sut.Perform();
+
+			logger.VerifySet(l => l.LogLevel = It.Is<LogLevel>(ll => ll == nextSettings.LogLevel));
+		}
+
+		[TestMethod]
+		public void Repeat_MustCorrectlySwitchSession()
+		{
+			var result = sut.Repeat();
+
+			Assert.AreEqual(OperationResult.Success, result);
+			Assert.AreSame(sessionContext.Current, nextSession);
+			Assert.IsNull(sessionContext.Next);
+		}
+
+		[TestMethod]
+		public void Repeat_MustCorrectlySwitchLogSeverity()
+		{
+			nextSettings.LogLevel = LogLevel.Warning;
+
+			sut.Perform();
+
+			logger.VerifySet(l => l.LogLevel = It.Is<LogLevel>(ll => ll == nextSettings.LogLevel));
+		}
+
+		[TestMethod]
+		public void Revert_MustAlwaysCompleteSuccessfully()
+		{
+			var result = sut.Revert();
+
+			Assert.AreEqual(OperationResult.Success, result);
+		}
+	}
+}