Restore SEBPatch

SafeExamBrowser.I18n.UnitTests/XmlTextResourceTests.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 System.IO;
+using System.Reflection;
+using System.Xml;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using SafeExamBrowser.I18n.Contracts;
+
+namespace SafeExamBrowser.I18n.UnitTests
+{
+	[TestClass]
+	public class XmlTextResourceTests
+	{
+		[TestMethod]
+		public void MustCorrectlyLoadData()
+		{
+			var location = Assembly.GetAssembly(typeof(XmlTextResourceTests)).Location;
+			var path = $@"{Path.GetDirectoryName(location)}\Text_Valid.xml";
+			var stream = new FileStream(path, FileMode.Open, FileAccess.Read);
+			var sut = new XmlTextResource(stream);
+
+			var text = sut.LoadText();
+
+			Assert.IsNotNull(text);
+			Assert.IsTrue(text.Count == 4);
+			Assert.AreEqual("Application Log", text[TextKey.LogWindow_Title]);
+			Assert.AreEqual("Version", text[TextKey.Version]);
+		}
+
+		[TestMethod]
+		[ExpectedException(typeof(XmlException))]
+		public void MustFailWithInvalidData()
+		{
+			var location = Assembly.GetAssembly(typeof(XmlTextResourceTests)).Location;
+			var path = $@"{Path.GetDirectoryName(location)}\Text_Invalid.txt";
+			var stream = new FileStream(path, FileMode.Open, FileAccess.Read);
+			var sut = new XmlTextResource(stream);
+
+			sut.LoadText();
+		}
+
+		[TestMethod]
+		public void MustNeverReturnNull()
+		{
+			var location = Assembly.GetAssembly(typeof(XmlTextResourceTests)).Location;
+			var path = $@"{Path.GetDirectoryName(location)}\Text_Incompatible.xml";
+			var stream = new FileStream(path, FileMode.Open, FileAccess.Read);
+			var sut = new XmlTextResource(stream);
+
+			var text = sut.LoadText();
+
+			Assert.IsNotNull(text);
+			Assert.IsTrue(text.Count == 0);
+		}
+
+		[TestMethod]
+		public void MustNeverSetNullValue()
+		{
+			var location = Assembly.GetAssembly(typeof(XmlTextResourceTests)).Location;
+			var path = $@"{Path.GetDirectoryName(location)}\Text_Valid.xml";
+			var stream = new FileStream(path, FileMode.Open, FileAccess.Read);
+			var sut = new XmlTextResource(stream);
+
+			var text = sut.LoadText();
+
+			Assert.IsNotNull(text);
+			Assert.AreEqual(string.Empty, text[TextKey.Notification_LogTooltip]);
+		}
+
+		[TestMethod]
+		[ExpectedException(typeof(ArgumentNullException))]
+		public void MustNotAcceptNullAsPath()
+		{
+			new XmlTextResource(null);
+		}
+
+		[TestMethod]
+		public void MustTrimValues()
+		{
+			var location = Assembly.GetAssembly(typeof(XmlTextResourceTests)).Location;
+			var path = $@"{Path.GetDirectoryName(location)}\Text_Valid.xml";
+			var stream = new FileStream(path, FileMode.Open, FileAccess.Read);
+			var sut = new XmlTextResource(stream);
+
+			var text = sut.LoadText();
+
+			Assert.IsNotNull(text);
+			Assert.AreEqual("Hello world", text[TextKey.Notification_AboutTooltip]);
+		}
+	}
+}