Restore SEBPatch

SafeExamBrowser.Runtime.UnitTests/Operations/DisplayMonitorOperationTests.cs

@@ -0,0 +1,124 @@
+/*
+ * 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.I18n.Contracts;
+using SafeExamBrowser.Logging.Contracts;
+using SafeExamBrowser.Monitoring.Contracts.Display;
+using SafeExamBrowser.Runtime.Operations;
+using SafeExamBrowser.Runtime.Operations.Events;
+using SafeExamBrowser.Settings;
+using SafeExamBrowser.Settings.Monitoring;
+
+namespace SafeExamBrowser.Runtime.UnitTests.Operations
+{
+	[TestClass]
+	public class DisplayMonitorOperationTests
+	{
+		private SessionContext context;
+		private Mock<IDisplayMonitor> displayMonitor;
+		private Mock<ILogger> logger;
+		private AppSettings settings;
+		private Mock<IText> text;
+
+		private DisplayMonitorOperation sut;
+
+		[TestInitialize]
+		public void Initialize()
+		{
+			context = new SessionContext();
+			displayMonitor = new Mock<IDisplayMonitor>();
+			logger = new Mock<ILogger>();
+			settings = new AppSettings();
+			text = new Mock<IText>();
+
+			context.Next = new SessionConfiguration();
+			context.Next.Settings = settings;
+			sut = new DisplayMonitorOperation(displayMonitor.Object, logger.Object, context, text.Object);
+		}
+
+		[TestMethod]
+		public void Perform_MustSucceedIfDisplayConfigurationAllowed()
+		{
+			displayMonitor.Setup(m => m.ValidateConfiguration(It.IsAny<DisplaySettings>())).Returns(new ValidationResult { IsAllowed = true });
+
+			var result = sut.Perform();
+
+			displayMonitor.Verify(m => m.ValidateConfiguration(It.IsAny<DisplaySettings>()), Times.Once);
+			Assert.AreEqual(OperationResult.Success, result);
+		}
+
+		[TestMethod]
+		public void Perform_MustFailIfDisplayConfigurationNotAllowed()
+		{
+			var messageShown = false;
+
+			displayMonitor.Setup(m => m.ValidateConfiguration(It.IsAny<DisplaySettings>())).Returns(new ValidationResult { IsAllowed = false });
+			sut.ActionRequired += (args) =>
+			{
+				if (args is MessageEventArgs)
+				{
+					messageShown = true;
+				}
+			};
+
+			var result = sut.Perform();
+
+			displayMonitor.Verify(m => m.ValidateConfiguration(It.IsAny<DisplaySettings>()), Times.Once);
+
+			Assert.IsTrue(messageShown);
+			Assert.AreEqual(OperationResult.Failed, result);
+		}
+
+		[TestMethod]
+		public void Repeat_MustSucceedIfDisplayConfigurationAllowed()
+		{
+			displayMonitor.Setup(m => m.ValidateConfiguration(It.IsAny<DisplaySettings>())).Returns(new ValidationResult { IsAllowed = true });
+
+			var result = sut.Repeat();
+
+			displayMonitor.Verify(m => m.ValidateConfiguration(It.IsAny<DisplaySettings>()), Times.Once);
+			Assert.AreEqual(OperationResult.Success, result);
+		}
+
+		[TestMethod]
+		public void Repeat_MustFailIfDisplayConfigurationNotAllowed()
+		{
+			var messageShown = false;
+
+			displayMonitor.Setup(m => m.ValidateConfiguration(It.IsAny<DisplaySettings>())).Returns(new ValidationResult { IsAllowed = false });
+			sut.ActionRequired += (args) =>
+			{
+				if (args is MessageEventArgs)
+				{
+					messageShown = true;
+				}
+			};
+
+			var result = sut.Repeat();
+
+			displayMonitor.Verify(m => m.ValidateConfiguration(It.IsAny<DisplaySettings>()), Times.Once);
+
+			Assert.IsTrue(messageShown);
+			Assert.AreEqual(OperationResult.Failed, result);
+		}
+
+		[TestMethod]
+		public void Revert_MustDoNothing()
+		{
+			var result = sut.Revert();
+
+			displayMonitor.VerifyNoOtherCalls();
+
+			Assert.AreEqual(OperationResult.Success, result);
+		}
+	}
+}