72 lines
2.1 KiB
C#
72 lines
2.1 KiB
C#
/*
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* Copyright (c) 2023 ETH Zürich, Educational Development and Technology (LET)
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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using System.IO;
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using System.Text;
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using Microsoft.VisualStudio.TestTools.UnitTesting;
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using Moq;
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using SafeExamBrowser.Configuration.Cryptography;
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using SafeExamBrowser.Configuration.Contracts;
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using SafeExamBrowser.Logging.Contracts;
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namespace SafeExamBrowser.Configuration.UnitTests.Cryptography
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{
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[TestClass]
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public class PasswordEncryptionTests
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{
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private Mock<ILogger> logger;
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private PasswordEncryption sut;
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[TestInitialize]
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public void Initialize()
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{
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logger = new Mock<ILogger>();
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sut = new PasswordEncryption(logger.Object);
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}
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[TestMethod]
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public void MustPerformCorrectly()
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{
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var password = "test1234";
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var message = Encoding.UTF8.GetBytes("A super secret message!");
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var saveStatus = sut.Encrypt(new MemoryStream(message), password, out var encrypted);
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var loadStatus = sut.Decrypt(encrypted, password, out var decrypted);
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var original = new MemoryStream(message);
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decrypted.Seek(0, SeekOrigin.Begin);
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original.Seek(0, SeekOrigin.Begin);
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while (original.Position < original.Length)
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{
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Assert.AreEqual(original.ReadByte(), decrypted.ReadByte());
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}
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Assert.AreEqual(SaveStatus.Success, saveStatus);
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Assert.AreEqual(LoadStatus.Success, loadStatus);
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}
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[TestMethod]
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public void MustRequestPasswordForDecryption()
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{
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var status = sut.Decrypt(new MemoryStream(), null, out _);
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Assert.AreEqual(LoadStatus.PasswordNeeded, status);
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}
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[TestMethod]
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public void MustRequestPasswordIfInvalid()
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{
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var password = "test1234";
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var saveStatus = sut.Encrypt(new MemoryStream(Encoding.UTF8.GetBytes("A super secret message!")), password, out var encrypted);
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var loadStatus = sut.Decrypt(encrypted, "not the correct password", out _);
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Assert.AreEqual(SaveStatus.Success, saveStatus);
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Assert.AreEqual(LoadStatus.PasswordNeeded, loadStatus);
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}
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}
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}
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