Restore SEBPatch

SafeExamBrowser.Applications.UnitTests/ExternalApplicationInstanceTests.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.Core.Contracts.Resources.Icons;
+using SafeExamBrowser.Logging.Contracts;
+using SafeExamBrowser.WindowsApi.Contracts;
+
+namespace SafeExamBrowser.Applications.UnitTests
+{
+	[TestClass]
+	public class ExternalApplicationInstanceTests
+	{
+		private NativeIconResource icon;
+		private Mock<ILogger> logger;
+		private Mock<INativeMethods> nativeMethods;
+		private Mock<IProcess> process;
+		private ExternalApplicationInstance sut;
+
+		[TestInitialize]
+		public void Initialize()
+		{
+			icon = new NativeIconResource();
+			logger = new Mock<ILogger>();
+			nativeMethods = new Mock<INativeMethods>();
+			process = new Mock<IProcess>();
+
+			sut = new ExternalApplicationInstance(icon, logger.Object, nativeMethods.Object, process.Object, 1);
+		}
+
+		[TestMethod]
+		public void Terminate_MustDoNothingIfAlreadyTerminated()
+		{
+			process.SetupGet(p => p.HasTerminated).Returns(true);
+
+			sut.Terminate();
+
+			process.Verify(p => p.TryClose(It.IsAny<int>()), Times.Never());
+			process.Verify(p => p.TryKill(It.IsAny<int>()), Times.Never());
+		}
+
+		[TestMethod]
+		public void Terminate_MustLogIfTerminationFailed()
+		{
+			process.Setup(p => p.TryClose(It.IsAny<int>())).Returns(false);
+			process.Setup(p => p.TryKill(It.IsAny<int>())).Returns(false);
+			process.SetupGet(p => p.HasTerminated).Returns(false);
+
+			sut.Terminate();
+
+			logger.Verify(l => l.Warn(It.IsAny<string>()), Times.AtLeastOnce);
+			process.Verify(p => p.TryClose(It.IsAny<int>()), Times.AtLeastOnce());
+			process.Verify(p => p.TryKill(It.IsAny<int>()), Times.AtLeastOnce());
+		}
+	}
+}