seb-win-refactoring/SafeExamBrowser.Client.UnitTests/Operations/DisplayMonitorOperationTests.cs

69 lines
2.3 KiB
C#

/*
* Copyright (c) 2019 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 Microsoft.VisualStudio.TestTools.UnitTesting;
using Moq;
using SafeExamBrowser.Client.Operations;
using SafeExamBrowser.Logging.Contracts;
using SafeExamBrowser.Monitoring.Contracts.Display;
using SafeExamBrowser.UserInterface.Contracts.Shell;
namespace SafeExamBrowser.Client.UnitTests.Operations
{
[TestClass]
public class DisplayMonitorOperationTests
{
private ClientContext context;
private Mock<IDisplayMonitor> displayMonitorMock;
private Mock<ILogger> loggerMock;
private Mock<ITaskbar> taskbarMock;
private DisplayMonitorOperation sut;
[TestInitialize]
public void Initialize()
{
context = new ClientContext();
displayMonitorMock = new Mock<IDisplayMonitor>();
loggerMock = new Mock<ILogger>();
taskbarMock = new Mock<ITaskbar>();
sut = new DisplayMonitorOperation(context, displayMonitorMock.Object, loggerMock.Object, taskbarMock.Object);
}
[TestMethod]
public void MustPerformCorrectly()
{
var order = 0;
displayMonitorMock.Setup(d => d.PreventSleepMode()).Callback(() => Assert.AreEqual(++order, 1));
displayMonitorMock.Setup(d => d.InitializePrimaryDisplay(It.IsAny<int>())).Callback(() => Assert.AreEqual(++order, 2));
displayMonitorMock.Setup(d => d.StartMonitoringDisplayChanges()).Callback(() => Assert.AreEqual(++order, 3));
sut.Perform();
displayMonitorMock.Verify(d => d.PreventSleepMode(), Times.Once);
displayMonitorMock.Verify(d => d.InitializePrimaryDisplay(It.IsAny<int>()), Times.Once);
displayMonitorMock.Verify(d => d.StartMonitoringDisplayChanges(), Times.Once);
}
[TestMethod]
public void MustRevertCorrectly()
{
var order = 0;
displayMonitorMock.Setup(d => d.StopMonitoringDisplayChanges()).Callback(() => Assert.AreEqual(++order, 1));
displayMonitorMock.Setup(d => d.ResetPrimaryDisplay()).Callback(() => Assert.AreEqual(++order, 2));
sut.Revert();
displayMonitorMock.Verify(d => d.StopMonitoringDisplayChanges(), Times.Once);
displayMonitorMock.Verify(d => d.ResetPrimaryDisplay(), Times.Once);
}
}
}