142 lines
3.1 KiB
C#
142 lines
3.1 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 Microsoft.VisualStudio.TestTools.UnitTesting;
|
|
using Moq;
|
|
using SafeExamBrowser.Contracts.Behaviour.OperationModel;
|
|
using SafeExamBrowser.Contracts.UserInterface;
|
|
using SafeExamBrowser.Core.Behaviour.OperationModel;
|
|
|
|
namespace SafeExamBrowser.Core.UnitTests.Behaviour.OperationModel
|
|
{
|
|
[TestClass]
|
|
public class DelayedInitializationOperationTests
|
|
{
|
|
private Mock<IOperation> operationMock;
|
|
|
|
[TestInitialize]
|
|
public void Initialize()
|
|
{
|
|
operationMock = new Mock<IOperation>();
|
|
}
|
|
|
|
[TestMethod]
|
|
public void MustInstantiateOperationOnPerform()
|
|
{
|
|
var initialized = false;
|
|
IOperation initialize()
|
|
{
|
|
initialized = true;
|
|
|
|
return operationMock.Object;
|
|
};
|
|
|
|
var sut = new DelayedInitializationOperation(initialize);
|
|
|
|
sut.Perform();
|
|
|
|
Assert.IsTrue(initialized);
|
|
}
|
|
|
|
[TestMethod]
|
|
[ExpectedException(typeof(NullReferenceException))]
|
|
public void MustNotInstantiateOperationOnRepeat()
|
|
{
|
|
IOperation initialize()
|
|
{
|
|
return operationMock.Object;
|
|
};
|
|
|
|
var sut = new DelayedInitializationOperation(initialize);
|
|
|
|
sut.Repeat();
|
|
}
|
|
|
|
[TestMethod]
|
|
[ExpectedException(typeof(NullReferenceException))]
|
|
public void MustNotInstantiateOperationOnRevert()
|
|
{
|
|
IOperation initialize()
|
|
{
|
|
return operationMock.Object;
|
|
};
|
|
|
|
var sut = new DelayedInitializationOperation(initialize);
|
|
|
|
sut.Revert();
|
|
}
|
|
|
|
[TestMethod]
|
|
public void MustReturnCorrectOperationResult()
|
|
{
|
|
IOperation initialize()
|
|
{
|
|
return operationMock.Object;
|
|
};
|
|
|
|
operationMock.Setup(o => o.Perform()).Returns(OperationResult.Success);
|
|
operationMock.Setup(o => o.Repeat()).Returns(OperationResult.Failed);
|
|
|
|
var sut = new DelayedInitializationOperation(initialize);
|
|
var perform = sut.Perform();
|
|
var repeat = sut.Repeat();
|
|
|
|
sut.Revert();
|
|
|
|
Assert.AreEqual(OperationResult.Success, perform);
|
|
Assert.AreEqual(OperationResult.Failed, repeat);
|
|
}
|
|
|
|
[TestMethod]
|
|
public void MustUpdateProgressIndicator()
|
|
{
|
|
IOperation initialize()
|
|
{
|
|
return operationMock.Object;
|
|
};
|
|
|
|
var sut = new DelayedInitializationOperation(initialize)
|
|
{
|
|
ProgressIndicator = new Mock<IProgressIndicator>().Object
|
|
};
|
|
|
|
sut.Perform();
|
|
sut.Repeat();
|
|
sut.Revert();
|
|
|
|
operationMock.VerifySet(o => o.ProgressIndicator = It.IsAny<IProgressIndicator>(), Times.Exactly(3));
|
|
}
|
|
|
|
[TestMethod]
|
|
public void MustUseSameInstanceForAllOperations()
|
|
{
|
|
var first = true;
|
|
var operation = operationMock.Object;
|
|
IOperation initialize()
|
|
{
|
|
if (first)
|
|
{
|
|
return operation;
|
|
}
|
|
|
|
return new Mock<IOperation>().Object;
|
|
};
|
|
|
|
var sut = new DelayedInitializationOperation(initialize);
|
|
|
|
sut.Perform();
|
|
sut.Repeat();
|
|
sut.Revert();
|
|
|
|
operationMock.Verify(o => o.Perform(), Times.Once);
|
|
operationMock.Verify(o => o.Repeat(), Times.Once);
|
|
operationMock.Verify(o => o.Revert(), Times.Once);
|
|
}
|
|
}
|
|
}
|