Restore SEBPatch

SafeExamBrowser.Core.UnitTests/Operations/I18nOperationTests.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.OperationModel;
+using SafeExamBrowser.Core.Operations;
+using SafeExamBrowser.I18n.Contracts;
+using SafeExamBrowser.Logging.Contracts;
+
+namespace SafeExamBrowser.Core.UnitTests.Operations
+{
+	[TestClass]
+	public class I18nOperationTests
+	{
+		private Mock<ILogger> logger;
+		private Mock<IText> text;
+
+		private I18nOperation sut;
+
+		[TestInitialize]
+		public void Initialize()
+		{
+			logger = new Mock<ILogger>();
+			text = new Mock<IText>();
+
+			sut = new I18nOperation(logger.Object, text.Object);
+		}
+
+		[TestMethod]
+		public void MustPerformCorrectly()
+		{
+			var result = sut.Perform();
+
+			text.Verify(t => t.Initialize(), Times.Once);
+
+			Assert.AreEqual(OperationResult.Success, result);
+		}
+
+		[TestMethod]
+		public void MustDoNothingOnRevert()
+		{
+			sut.Revert();
+			text.VerifyNoOtherCalls();
+		}
+
+		[TestMethod]
+		public void MustNotFireEvents()
+		{
+			sut.ActionRequired += (_) => Assert.Fail();
+			sut.StatusChanged += (_) => Assert.Fail();
+
+			sut.Perform();
+		}
+	}
+}