112 lines
3.2 KiB
C#
112 lines
3.2 KiB
C#
/*
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* Copyright (c) 2021 ETH Zürich, Educational Development and Technology (LET)
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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using System;
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using System.Threading.Tasks;
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using Microsoft.VisualStudio.TestTools.UnitTesting;
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using Moq;
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using SafeExamBrowser.Client.Operations;
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using SafeExamBrowser.Communication.Contracts.Events;
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using SafeExamBrowser.Communication.Contracts.Hosts;
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using SafeExamBrowser.Core.Contracts.OperationModel;
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using SafeExamBrowser.Logging.Contracts;
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namespace SafeExamBrowser.Client.UnitTests.Operations
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{
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[TestClass]
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public class ClientHostDisconnectionOperationTests
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{
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private Mock<IClientHost> clientHost;
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private ClientContext context;
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private Mock<ILogger> logger;
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private ClientHostDisconnectionOperation sut;
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[TestInitialize]
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public void Initialize()
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{
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clientHost = new Mock<IClientHost>();
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context = new ClientContext();
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logger = new Mock<ILogger>();
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context.ClientHost = clientHost.Object;
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sut = new ClientHostDisconnectionOperation(context, logger.Object, 0);
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}
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[TestMethod]
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public void MustWaitForDisconnectionIfConnectionIsActive()
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{
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var after = default(DateTime);
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var before = default(DateTime);
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var timeout_ms = 200;
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sut = new ClientHostDisconnectionOperation(context, logger.Object, timeout_ms);
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clientHost.SetupGet(h => h.IsConnected).Returns(true).Callback(() => Task.Delay(10).ContinueWith((_) =>
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{
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clientHost.Raise(h => h.RuntimeDisconnected += null);
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}));
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before = DateTime.Now;
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sut.Revert();
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after = DateTime.Now;
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clientHost.VerifyGet(h => h.IsConnected);
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clientHost.VerifyAdd(h => h.RuntimeDisconnected += It.IsAny<CommunicationEventHandler>());
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clientHost.VerifyRemove(h => h.RuntimeDisconnected -= It.IsAny<CommunicationEventHandler>());
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clientHost.VerifyNoOtherCalls();
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Assert.IsTrue(after - before < new TimeSpan(0, 0, 0, 0, timeout_ms));
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}
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[TestMethod]
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public void MustRespectTimeoutIfWaitingForDisconnection()
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{
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var after = default(DateTime);
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var before = default(DateTime);
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var timeout_ms = 200;
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sut = new ClientHostDisconnectionOperation(context, logger.Object, timeout_ms);
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clientHost.SetupGet(h => h.IsConnected).Returns(true);
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before = DateTime.Now;
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sut.Revert();
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after = DateTime.Now;
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clientHost.VerifyGet(h => h.IsConnected);
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clientHost.VerifyAdd(h => h.RuntimeDisconnected += It.IsAny<CommunicationEventHandler>());
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clientHost.VerifyRemove(h => h.RuntimeDisconnected -= It.IsAny<CommunicationEventHandler>());
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clientHost.VerifyNoOtherCalls();
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Assert.IsTrue(after - before >= new TimeSpan(0, 0, 0, 0, timeout_ms));
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}
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[TestMethod]
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public void MustDoNothingIfNoConnectionIsActive()
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{
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clientHost.SetupGet(h => h.IsConnected).Returns(false);
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sut.Revert();
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clientHost.VerifyGet(h => h.IsConnected);
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clientHost.VerifyNoOtherCalls();
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}
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[TestMethod]
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public void MustDoNothingOnPerform()
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{
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var result = sut.Perform();
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clientHost.VerifyNoOtherCalls();
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Assert.AreEqual(OperationResult.Success, result);
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}
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}
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}
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