SEBPatch/SafeExamBrowser.Browser.Uni.../Filters/RequestFilterTests.cs

115 lines
3.0 KiB
C#

/*
* Copyright (c) 2024 ETH Zürich, IT Services
*
* 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.Browser.Contracts.Filters;
using SafeExamBrowser.Browser.Filters;
using SafeExamBrowser.Settings.Browser.Filter;
namespace SafeExamBrowser.Browser.UnitTests.Filters
{
[TestClass]
public class RequestFilterTests
{
private RequestFilter sut;
[TestInitialize]
public void Initialize()
{
sut = new RequestFilter();
}
[TestMethod]
public void MustProcessBlockRulesFirst()
{
var allow = new Mock<IRule>();
var block = new Mock<IRule>();
allow.SetupGet(r => r.Result).Returns(FilterResult.Allow);
block.SetupGet(r => r.Result).Returns(FilterResult.Block);
block.Setup(r => r.IsMatch(It.IsAny<Request>())).Returns(true);
sut.Load(allow.Object);
sut.Load(block.Object);
var result = sut.Process(new Request());
allow.Verify(r => r.IsMatch(It.IsAny<Request>()), Times.Never);
block.Verify(r => r.IsMatch(It.IsAny<Request>()), Times.Once);
Assert.AreEqual(FilterResult.Block, result);
}
[TestMethod]
public void MustProcessAllowRulesSecond()
{
var allow = new Mock<IRule>();
var block = new Mock<IRule>();
allow.SetupGet(r => r.Result).Returns(FilterResult.Allow);
allow.Setup(r => r.IsMatch(It.IsAny<Request>())).Returns(true);
block.SetupGet(r => r.Result).Returns(FilterResult.Block);
sut.Load(allow.Object);
sut.Load(block.Object);
var result = sut.Process(new Request());
allow.Verify(r => r.IsMatch(It.IsAny<Request>()), Times.Once);
block.Verify(r => r.IsMatch(It.IsAny<Request>()), Times.Once);
Assert.AreEqual(FilterResult.Allow, result);
}
[TestMethod]
public void MustReturnDefaultWithoutMatch()
{
var allow = new Mock<IRule>();
var block = new Mock<IRule>();
allow.SetupGet(r => r.Result).Returns(FilterResult.Allow);
block.SetupGet(r => r.Result).Returns(FilterResult.Block);
sut.Default = (FilterResult) (-1);
sut.Load(allow.Object);
sut.Load(block.Object);
var result = sut.Process(new Request());
allow.Verify(r => r.IsMatch(It.IsAny<Request>()), Times.Once);
block.Verify(r => r.IsMatch(It.IsAny<Request>()), Times.Once);
Assert.AreEqual((FilterResult) (-1), result);
}
[TestMethod]
public void MustReturnDefaultWithoutRules()
{
sut.Default = FilterResult.Allow;
var result = sut.Process(new Request());
Assert.AreEqual(FilterResult.Allow, result);
sut.Default = FilterResult.Block;
result = sut.Process(new Request());
Assert.AreEqual(FilterResult.Block, result);
}
[TestMethod]
[ExpectedException(typeof(NotImplementedException))]
public void MustNotAllowUnsupportedResult()
{
var rule = new Mock<IRule>();
rule.SetupGet(r => r.Result).Returns((FilterResult) (-1));
sut.Load(rule.Object);
}
}
}