seb-win-refactoring/SafeExamBrowser.Core.UnitTests/Behaviour/ShutdownControllerTests.cs

124 lines
3.8 KiB
C#

/*
* Copyright (c) 2018 ETH Zürich, Educational Development and Technology (LET)
*
* 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.Collections.Generic;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using Moq;
using SafeExamBrowser.Contracts.Behaviour;
using SafeExamBrowser.Contracts.Configuration;
using SafeExamBrowser.Contracts.I18n;
using SafeExamBrowser.Contracts.Logging;
using SafeExamBrowser.Contracts.UserInterface;
using SafeExamBrowser.Core.Behaviour;
namespace SafeExamBrowser.Core.UnitTests.Behaviour
{
[TestClass]
public class ShutdownControllerTests
{
private Mock<ILogger> loggerMock;
private Mock<IRuntimeInfo> runtimeInfoMock;
private Mock<IText> textMock;
private Mock<IUserInterfaceFactory> uiFactoryMock;
private IShutdownController sut;
[TestInitialize]
public void Initialize()
{
loggerMock = new Mock<ILogger>();
runtimeInfoMock = new Mock<IRuntimeInfo>();
textMock = new Mock<IText>();
uiFactoryMock = new Mock<IUserInterfaceFactory>();
uiFactoryMock.Setup(f => f.CreateSplashScreen(runtimeInfoMock.Object, textMock.Object)).Returns(new Mock<ISplashScreen>().Object);
sut = new ShutdownController(loggerMock.Object, runtimeInfoMock.Object, textMock.Object, uiFactoryMock.Object);
}
[TestMethod]
public void MustRevertOperations()
{
var operationA = new Mock<IOperation>();
var operationB = new Mock<IOperation>();
var operationC = new Mock<IOperation>();
var operations = new Queue<IOperation>();
operations.Enqueue(operationA.Object);
operations.Enqueue(operationB.Object);
operations.Enqueue(operationC.Object);
sut.FinalizeApplication(operations);
operationA.Verify(o => o.Revert(), Times.Once);
operationB.Verify(o => o.Revert(), Times.Once);
operationC.Verify(o => o.Revert(), Times.Once);
}
[TestMethod]
public void MustRevertOperationsInSequence()
{
int current = 0, a = 0, b = 0, c = 0;
var operationA = new Mock<IOperation>();
var operationB = new Mock<IOperation>();
var operationC = new Mock<IOperation>();
var operations = new Queue<IOperation>();
operationA.Setup(o => o.Revert()).Callback(() => a = ++current);
operationB.Setup(o => o.Revert()).Callback(() => b = ++current);
operationC.Setup(o => o.Revert()).Callback(() => c = ++current);
operations.Enqueue(operationA.Object);
operations.Enqueue(operationB.Object);
operations.Enqueue(operationC.Object);
sut.FinalizeApplication(operations);
Assert.IsTrue(a == 1);
Assert.IsTrue(b == 2);
Assert.IsTrue(c == 3);
}
[TestMethod]
public void MustContinueToRevertOperationsInCaseOfError()
{
var operationA = new Mock<IOperation>();
var operationB = new Mock<IOperation>();
var operationC = new Mock<IOperation>();
var operations = new Queue<IOperation>();
operationA.Setup(o => o.Revert()).Throws<Exception>();
operationB.Setup(o => o.Revert()).Throws<Exception>();
operationC.Setup(o => o.Revert()).Throws<Exception>();
operations.Enqueue(operationA.Object);
operations.Enqueue(operationB.Object);
operations.Enqueue(operationC.Object);
sut.FinalizeApplication(operations);
operationA.Verify(o => o.Revert(), Times.Once);
operationB.Verify(o => o.Revert(), Times.Once);
operationC.Verify(o => o.Revert(), Times.Once);
}
[TestMethod]
public void MustNotFailWithEmptyQueue()
{
sut.FinalizeApplication(new Queue<IOperation>());
}
[TestMethod]
public void MustNotFailInCaseOfUnexpectedError()
{
uiFactoryMock.Setup(l => l.CreateSplashScreen(It.IsAny<IRuntimeInfo>(), It.IsAny<IText>())).Throws(new Exception());
sut.FinalizeApplication(new Queue<IOperation>());
}
}
}