seb-win-refactoring/SafeExamBrowser.Core.UnitTests/Operations/CommunicationHostOperationTests.cs
2021-02-03 00:45:33 +01:00

87 lines
2.2 KiB
C#

/*
* Copyright (c) 2021 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.Communication.Contracts;
using SafeExamBrowser.Core.Contracts.OperationModel;
using SafeExamBrowser.Logging.Contracts;
using SafeExamBrowser.Core.Operations;
namespace SafeExamBrowser.Core.UnitTests.Operations
{
[TestClass]
public class CommunicationHostOperationTests
{
private Mock<ICommunicationHost> hostMock;
private Mock<ILogger> loggerMock;
private CommunicationHostOperation sut;
[TestInitialize]
public void Initialize()
{
hostMock = new Mock<ICommunicationHost>();
loggerMock = new Mock<ILogger>();
sut = new CommunicationHostOperation(hostMock.Object, loggerMock.Object);
}
[TestMethod]
public void MustRestartHostOnRepeat()
{
var order = 0;
var stop = 0;
var start = 0;
hostMock.Setup(h => h.Stop()).Callback(() => stop = ++order);
hostMock.Setup(h => h.Start()).Callback(() => start = ++order);
var result = sut.Repeat();
hostMock.Verify(h => h.Stop(), Times.Once);
hostMock.Verify(h => h.Start(), Times.Once);
Assert.AreEqual(stop, 1);
Assert.AreEqual(start, 2);
Assert.AreEqual(OperationResult.Success, result);
}
[TestMethod]
public void MustOnlyRestartHostOnRepeatIfNotRunning()
{
hostMock.SetupGet(h => h.IsRunning).Returns(true);
var result = sut.Repeat();
hostMock.Verify(h => h.Start(), Times.Never);
hostMock.Verify(h => h.Stop(), Times.Never);
Assert.AreEqual(OperationResult.Success, result);
}
[TestMethod]
public void MustStartHostOnPerform()
{
var result = sut.Perform();
hostMock.Verify(h => h.Start(), Times.Once);
hostMock.Verify(h => h.Stop(), Times.Never);
Assert.AreEqual(OperationResult.Success, result);
}
[TestMethod]
public void MustStopHostOnRevert()
{
sut.Revert();
hostMock.Verify(h => h.Stop(), Times.Once);
hostMock.Verify(h => h.Start(), Times.Never);
}
}
}