seb-win-refactoring/SafeExamBrowser.Runtime.UnitTests/RuntimeControllerTests.cs

773 lines
27 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 System.Collections.Generic;
using System.Linq;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using Moq;
using SafeExamBrowser.Communication.Contracts.Data;
using SafeExamBrowser.Communication.Contracts.Events;
using SafeExamBrowser.Communication.Contracts.Hosts;
using SafeExamBrowser.Communication.Contracts.Proxies;
using SafeExamBrowser.Configuration.Contracts;
using SafeExamBrowser.Core.Contracts.OperationModel;
using SafeExamBrowser.Core.Contracts.OperationModel.Events;
using SafeExamBrowser.I18n.Contracts;
using SafeExamBrowser.Logging.Contracts;
using SafeExamBrowser.Runtime.Operations.Events;
using SafeExamBrowser.Server.Contracts.Data;
using SafeExamBrowser.Settings;
using SafeExamBrowser.Settings.Security;
using SafeExamBrowser.Settings.Service;
using SafeExamBrowser.UserInterface.Contracts;
using SafeExamBrowser.UserInterface.Contracts.MessageBox;
using SafeExamBrowser.UserInterface.Contracts.Windows;
using SafeExamBrowser.UserInterface.Contracts.Windows.Data;
using SafeExamBrowser.WindowsApi.Contracts;
namespace SafeExamBrowser.Runtime.UnitTests
{
[TestClass]
public class RuntimeControllerTests
{
private AppConfig appConfig;
private Mock<IOperationSequence> bootstrapSequence;
private Mock<IProcess> clientProcess;
private Mock<IClientProxy> clientProxy;
private SessionConfiguration currentSession;
private AppSettings currentSettings;
private Mock<ILogger> logger;
private Mock<IMessageBox> messageBox;
private SessionConfiguration nextSession;
private AppSettings nextSettings;
private Mock<IRuntimeHost> runtimeHost;
private Mock<IRuntimeWindow> runtimeWindow;
private Mock<IServiceProxy> service;
private SessionContext sessionContext;
private Mock<IRepeatableOperationSequence> sessionSequence;
private Mock<Action> shutdown;
private Mock<ISplashScreen> splashScreen;
private Mock<IText> text;
private Mock<IUserInterfaceFactory> uiFactory;
private RuntimeController sut;
[TestInitialize]
public void Initialize()
{
appConfig = new AppConfig();
bootstrapSequence = new Mock<IOperationSequence>();
clientProcess = new Mock<IProcess>();
clientProxy = new Mock<IClientProxy>();
currentSession = new SessionConfiguration();
currentSettings = new AppSettings();
logger = new Mock<ILogger>();
messageBox = new Mock<IMessageBox>();
nextSession = new SessionConfiguration();
nextSettings = new AppSettings();
runtimeHost = new Mock<IRuntimeHost>();
runtimeWindow = new Mock<IRuntimeWindow>();
service = new Mock<IServiceProxy>();
sessionContext = new SessionContext();
sessionSequence = new Mock<IRepeatableOperationSequence>();
shutdown = new Mock<Action>();
splashScreen = new Mock<ISplashScreen>();
text = new Mock<IText>();
uiFactory = new Mock<IUserInterfaceFactory>();
currentSession.Settings = currentSettings;
nextSession.Settings = nextSettings;
sessionContext.ClientProcess = clientProcess.Object;
sessionContext.ClientProxy = clientProxy.Object;
sessionContext.Current = currentSession;
sessionContext.Next = nextSession;
uiFactory.Setup(u => u.CreateRuntimeWindow(It.IsAny<AppConfig>())).Returns(new Mock<IRuntimeWindow>().Object);
uiFactory.Setup(u => u.CreateSplashScreen(It.IsAny<AppConfig>())).Returns(new Mock<ISplashScreen>().Object);
sut = new RuntimeController(
appConfig,
logger.Object,
messageBox.Object,
bootstrapSequence.Object,
sessionSequence.Object,
runtimeHost.Object,
runtimeWindow.Object,
service.Object,
sessionContext,
shutdown.Object,
splashScreen.Object,
text.Object,
uiFactory.Object);
}
[TestMethod]
public void ClientProcess_MustShutdownWhenClientTerminated()
{
StartSession();
clientProcess.Raise(c => c.Terminated += null, -1);
messageBox.Verify(m => m.Show(
It.IsAny<TextKey>(),
It.IsAny<TextKey>(),
It.IsAny<MessageBoxAction>(),
It.Is<MessageBoxIcon>(i => i == MessageBoxIcon.Error),
It.IsAny<IWindow>()), Times.Once);
sessionSequence.Verify(s => s.TryRevert(), Times.Once);
shutdown.Verify(s => s(), Times.Once);
}
[TestMethod]
public void ClientProxy_MustShutdownWhenConnectionLost()
{
StartSession();
clientProxy.Raise(c => c.ConnectionLost += null);
messageBox.Verify(m => m.Show(
It.IsAny<TextKey>(),
It.IsAny<TextKey>(),
It.IsAny<MessageBoxAction>(),
It.Is<MessageBoxIcon>(i => i == MessageBoxIcon.Error),
It.IsAny<IWindow>()), Times.Once);
sessionSequence.Verify(s => s.TryRevert(), Times.Once);
shutdown.Verify(s => s(), Times.Once);
}
[TestMethod]
public void Communication_MustProvideClientConfigurationUponRequest()
{
var args = new ClientConfigurationEventArgs();
var nextAppConfig = new AppConfig();
var nextSessionId = Guid.NewGuid();
var nextSettings = new AppSettings();
nextSession.AppConfig = nextAppConfig;
nextSession.SessionId = nextSessionId;
nextSession.Settings = nextSettings;
StartSession();
runtimeHost.Raise(r => r.ClientConfigurationNeeded += null, args);
Assert.AreSame(nextAppConfig, args.ClientConfiguration.AppConfig);
Assert.AreEqual(nextSessionId, args.ClientConfiguration.SessionId);
Assert.AreSame(nextSettings, args.ClientConfiguration.Settings);
}
[TestMethod]
public void Communication_MustStartNewSessionUponRequest()
{
var args = new ReconfigurationEventArgs { ConfigurationPath = "C:\\Some\\File\\Path.seb" };
StartSession();
bootstrapSequence.Reset();
sessionSequence.Reset();
sessionSequence.Setup(s => s.TryRepeat()).Returns(OperationResult.Success);
runtimeHost.Raise(r => r.ReconfigurationRequested += null, args);
bootstrapSequence.VerifyNoOtherCalls();
sessionSequence.Verify(s => s.TryPerform(), Times.Never);
sessionSequence.Verify(s => s.TryRepeat(), Times.Once);
sessionSequence.Verify(s => s.TryRevert(), Times.Never);
Assert.AreEqual(sessionContext.ReconfigurationFilePath, args.ConfigurationPath);
}
[TestMethod]
public void Communication_MustInformClientAboutAbortedReconfiguration()
{
StartSession();
sessionSequence.Reset();
sessionSequence.Setup(s => s.TryRepeat()).Returns(OperationResult.Aborted);
runtimeHost.Raise(r => r.ReconfigurationRequested += null, new ReconfigurationEventArgs());
clientProxy.Verify(c => c.InformReconfigurationAborted(), Times.Once);
}
[TestMethod]
public void Communication_MustShutdownUponRequest()
{
StartSession();
bootstrapSequence.Reset();
sessionSequence.Reset();
runtimeHost.Raise(r => r.ShutdownRequested += null);
bootstrapSequence.VerifyNoOtherCalls();
sessionSequence.VerifyNoOtherCalls();
shutdown.Verify(s => s(), Times.Once);
}
[TestMethod]
public void Operations_MustAllowToAbortStartupForClientConfiguration()
{
var args = new ConfigurationCompletedEventArgs();
messageBox.Setup(m => m.Show(It.IsAny<TextKey>(), It.IsAny<TextKey>(), It.IsAny<MessageBoxAction>(), It.IsAny<MessageBoxIcon>(), It.IsAny<IWindow>())).Returns(MessageBoxResult.Yes);
sut.TryStart();
sessionSequence.Raise(s => s.ActionRequired += null, args);
Assert.IsTrue(args.AbortStartup);
}
[TestMethod]
public void Operations_MustRequestServerExamSelectionViaDialogOnDefaultDesktop()
{
var args = new ExamSelectionEventArgs(Enumerable.Empty<Exam>());
var examSelectionDialog = new Mock<IExamSelectionDialog>();
var result = new ExamSelectionDialogResult { SelectedExam = new Exam(), Success = true };
currentSettings.Security.KioskMode = KioskMode.DisableExplorerShell;
examSelectionDialog.Setup(p => p.Show(It.IsAny<IWindow>())).Returns(result);
uiFactory.Setup(u => u.CreateExamSelectionDialog(It.IsAny<IEnumerable<Exam>>())).Returns(examSelectionDialog.Object);
sut.TryStart();
sessionSequence.Raise(s => s.ActionRequired += null, args);
clientProxy.VerifyNoOtherCalls();
examSelectionDialog.Verify(p => p.Show(It.IsAny<IWindow>()), Times.Once);
uiFactory.Verify(u => u.CreateExamSelectionDialog(It.IsAny<IEnumerable<Exam>>()), Times.Once);
Assert.AreEqual(true, args.Success);
Assert.AreEqual(result.SelectedExam, args.SelectedExam);
}
[TestMethod]
public void Operations_MustRequestServerExamSelectionViaClientOnNewDesktop()
{
var args = new ExamSelectionEventArgs(new[] { new Exam { Id = "abc1234" } });
var examSelectionReceived = new Action<IEnumerable<(string, string, string, string)>, Guid>((e, id) =>
{
runtimeHost.Raise(r => r.ExamSelectionReceived += null, new ExamSelectionReplyEventArgs
{
RequestId = id,
SelectedExamId = "abc1234",
Success = true
});
});
currentSettings.Security.KioskMode = KioskMode.CreateNewDesktop;
clientProxy
.Setup(c => c.RequestExamSelection(It.IsAny<IEnumerable<(string, string, string, string)>>(), It.IsAny<Guid>()))
.Returns(new CommunicationResult(true))
.Callback(examSelectionReceived);
sut.TryStart();
sessionSequence.Raise(s => s.ActionRequired += null, args);
clientProxy.Verify(c => c.RequestExamSelection(It.IsAny<IEnumerable<(string, string, string, string)>>(), It.IsAny<Guid>()), Times.Once);
uiFactory.Verify(u => u.CreateExamSelectionDialog(It.IsAny<IEnumerable<Exam>>()), Times.Never);
Assert.AreEqual("abc1234", args.SelectedExam.Id);
}
[TestMethod]
public void Operations_MustRequestPasswordViaDialogOnDefaultDesktop()
{
var args = new PasswordRequiredEventArgs();
var passwordDialog = new Mock<IPasswordDialog>();
var result = new PasswordDialogResult { Password = "test1234", Success = true };
currentSettings.Security.KioskMode = KioskMode.DisableExplorerShell;
passwordDialog.Setup(p => p.Show(It.IsAny<IWindow>())).Returns(result);
uiFactory.Setup(u => u.CreatePasswordDialog(It.IsAny<string>(), It.IsAny<string>())).Returns(passwordDialog.Object);
sut.TryStart();
sessionSequence.Raise(s => s.ActionRequired += null, args);
clientProxy.VerifyNoOtherCalls();
passwordDialog.Verify(p => p.Show(It.IsAny<IWindow>()), Times.Once);
uiFactory.Verify(u => u.CreatePasswordDialog(It.IsAny<string>(), It.IsAny<string>()), Times.Once);
Assert.AreEqual(true, args.Success);
Assert.AreEqual(result.Password, args.Password);
}
[TestMethod]
public void Operations_MustRequestPasswordViaClientOnNewDesktop()
{
var args = new PasswordRequiredEventArgs();
var passwordReceived = new Action<PasswordRequestPurpose, Guid>((p, id) =>
{
runtimeHost.Raise(r => r.PasswordReceived += null, new PasswordReplyEventArgs { Password = "test", RequestId = id, Success = true });
});
currentSettings.Security.KioskMode = KioskMode.CreateNewDesktop;
clientProxy.Setup(c => c.RequestPassword(It.IsAny<PasswordRequestPurpose>(), It.IsAny<Guid>())).Returns(new CommunicationResult(true)).Callback(passwordReceived);
sut.TryStart();
sessionSequence.Raise(s => s.ActionRequired += null, args);
clientProxy.Verify(c => c.RequestPassword(It.IsAny<PasswordRequestPurpose>(), It.IsAny<Guid>()), Times.Once);
uiFactory.Verify(u => u.CreatePasswordDialog(It.IsAny<string>(), It.IsAny<string>()), Times.Never);
Assert.AreEqual("test", args.Password);
}
[TestMethod]
public void Operations_MustRequestServerFailureActionViaDialogOnDefaultDesktop()
{
var args = new ServerFailureEventArgs(default(string), default(bool));
var failureDialog = new Mock<IServerFailureDialog>();
var result = new ServerFailureDialogResult { Fallback = true, Success = true };
currentSettings.Security.KioskMode = KioskMode.DisableExplorerShell;
failureDialog.Setup(p => p.Show(It.IsAny<IWindow>())).Returns(result);
uiFactory.Setup(u => u.CreateServerFailureDialog(It.IsAny<string>(), It.IsAny<bool>())).Returns(failureDialog.Object);
sut.TryStart();
sessionSequence.Raise(s => s.ActionRequired += null, args);
clientProxy.VerifyNoOtherCalls();
failureDialog.Verify(p => p.Show(It.IsAny<IWindow>()), Times.Once);
uiFactory.Verify(u => u.CreateServerFailureDialog(It.IsAny<string>(), It.IsAny<bool>()), Times.Once);
Assert.AreEqual(result.Abort, args.Abort);
Assert.AreEqual(result.Fallback, args.Fallback);
Assert.AreEqual(result.Retry, args.Retry);
}
[TestMethod]
public void Operations_MustRequestServerFailureActionViaClientOnNewDesktop()
{
var args = new ServerFailureEventArgs(default(string), default(bool));
var failureActionReceived = new Action<string, bool, Guid>((m, f, id) =>
{
runtimeHost.Raise(r => r.ServerFailureActionReceived += null, new ServerFailureActionReplyEventArgs
{
RequestId = id,
Fallback = true
});
});
currentSettings.Security.KioskMode = KioskMode.CreateNewDesktop;
clientProxy
.Setup(c => c.RequestServerFailureAction(It.IsAny<string>(), It.IsAny<bool>(), It.IsAny<Guid>()))
.Returns(new CommunicationResult(true))
.Callback(failureActionReceived);
sut.TryStart();
sessionSequence.Raise(s => s.ActionRequired += null, args);
clientProxy.Verify(c => c.RequestServerFailureAction(It.IsAny<string>(), It.IsAny<bool>(), It.IsAny<Guid>()), Times.Once);
uiFactory.Verify(u => u.CreateServerFailureDialog(It.IsAny<string>(), It.IsAny<bool>()), Times.Never);
Assert.IsFalse(args.Abort);
Assert.IsTrue(args.Fallback);
Assert.IsFalse(args.Retry);
}
[TestMethod]
public void Operations_MustAbortAskingForPasswordViaClientIfDecidedByUser()
{
var args = new PasswordRequiredEventArgs();
var passwordReceived = new Action<PasswordRequestPurpose, Guid>((p, id) =>
{
runtimeHost.Raise(r => r.PasswordReceived += null, new PasswordReplyEventArgs { RequestId = id, Success = false });
});
currentSettings.Security.KioskMode = KioskMode.CreateNewDesktop;
clientProxy.Setup(c => c.RequestPassword(It.IsAny<PasswordRequestPurpose>(), It.IsAny<Guid>())).Returns(new CommunicationResult(true)).Callback(passwordReceived);
sut.TryStart();
sessionSequence.Raise(s => s.ActionRequired += null, args);
clientProxy.Verify(c => c.RequestPassword(It.IsAny<PasswordRequestPurpose>(), It.IsAny<Guid>()), Times.Once);
uiFactory.Verify(u => u.CreatePasswordDialog(It.IsAny<string>(), It.IsAny<string>()), Times.Never);
}
[TestMethod]
public void Operations_MustNotWaitForPasswordViaClientIfCommunicationHasFailed()
{
var args = new PasswordRequiredEventArgs();
currentSettings.Security.KioskMode = KioskMode.CreateNewDesktop;
clientProxy.Setup(c => c.RequestPassword(It.IsAny<PasswordRequestPurpose>(), It.IsAny<Guid>())).Returns(new CommunicationResult(false));
sut.TryStart();
sessionSequence.Raise(s => s.ActionRequired += null, args);
}
[TestMethod]
public void Operations_MustShowNormalMessageBoxOnDefaultDesktop()
{
var args = new MessageEventArgs
{
Icon = MessageBoxIcon.Question,
Message = TextKey.MessageBox_ClientConfigurationQuestion,
Title = TextKey.MessageBox_ClientConfigurationQuestionTitle
};
StartSession();
currentSettings.Security.KioskMode = KioskMode.DisableExplorerShell;
sessionSequence.Raise(s => s.ActionRequired += null, args);
messageBox.Verify(m => m.Show(
It.IsAny<string>(),
It.IsAny<string>(),
It.Is<MessageBoxAction>(a => a == MessageBoxAction.Ok),
It.Is<MessageBoxIcon>(i => i == args.Icon),
It.IsAny<IWindow>()), Times.Once);
clientProxy.VerifyAdd(p => p.ConnectionLost += It.IsAny<CommunicationEventHandler>());
clientProxy.VerifyNoOtherCalls();
}
[TestMethod]
public void Operations_MustShowMessageBoxViaClientOnNewDesktop()
{
var args = new MessageEventArgs
{
Icon = MessageBoxIcon.Question,
Message = TextKey.MessageBox_ClientConfigurationQuestion,
Title = TextKey.MessageBox_ClientConfigurationQuestionTitle
};
var reply = new MessageBoxReplyEventArgs();
StartSession();
currentSettings.Security.KioskMode = KioskMode.CreateNewDesktop;
clientProxy.Setup(c => c.ShowMessage(
It.IsAny<string>(),
It.IsAny<string>(),
It.Is<int>(a => a == (int) MessageBoxAction.Ok),
It.IsAny<int>(),
It.IsAny<Guid>()))
.Callback<string, string, int, int, Guid>((m, t, a, i, id) =>
{
runtimeHost.Raise(r => r.MessageBoxReplyReceived += null, new MessageBoxReplyEventArgs { RequestId = id });
})
.Returns(new CommunicationResult(true));
sessionSequence.Raise(s => s.ActionRequired += null, args);
messageBox.Verify(m => m.Show(It.IsAny<string>(), It.IsAny<string>(), It.IsAny<MessageBoxAction>(), It.IsAny<MessageBoxIcon>(), It.IsAny<IWindow>()), Times.Never);
clientProxy.Verify(c => c.ShowMessage(
It.IsAny<string>(),
It.IsAny<string>(),
It.Is<int>(a => a == (int) MessageBoxAction.Ok),
It.Is<int>(i => i == (int) args.Icon),
It.IsAny<Guid>()), Times.Once);
}
[TestMethod]
public void Operations_MustUpdateProgress()
{
var args = new ProgressChangedEventArgs
{
CurrentValue = 23,
IsIndeterminate = true,
MaxValue = 150,
Progress = true,
Regress = true
};
sut.TryStart();
sessionSequence.Raise(o => o.ProgressChanged += null, args);
runtimeWindow.Verify(s => s.SetValue(It.Is<int>(i => i == args.CurrentValue)), Times.Once);
runtimeWindow.Verify(s => s.SetIndeterminate(), Times.Exactly(2));
runtimeWindow.Verify(s => s.SetMaxValue(It.Is<int>(i => i == args.MaxValue)), Times.Once);
runtimeWindow.Verify(s => s.Progress(), Times.Once);
runtimeWindow.Verify(s => s.Regress(), Times.Once);
}
[TestMethod]
public void Operations_MustUpdateStatus()
{
var key = TextKey.OperationStatus_InitializeClipboard;
sut.TryStart();
sessionSequence.Raise(o => o.StatusChanged += null, key);
runtimeWindow.Verify(s => s.UpdateStatus(It.Is<TextKey>(k => k == key), It.IsAny<bool>()), Times.Once);
}
[TestMethod]
public void Session_MustHideRuntimeWindowWhenUsingDisableExplorerShell()
{
currentSettings.Security.KioskMode = KioskMode.DisableExplorerShell;
StartSession();
runtimeWindow.Verify(w => w.Hide(), Times.AtLeastOnce);
runtimeWindow.Reset();
sessionSequence.Reset();
sessionSequence.Setup(b => b.TryRepeat()).Returns(OperationResult.Aborted);
runtimeHost.Raise(h => h.ReconfigurationRequested += null, new ReconfigurationEventArgs());
runtimeWindow.Verify(w => w.Hide(), Times.AtLeastOnce);
}
[TestMethod]
public void Session_MustShowMessageBoxOnFailure()
{
bootstrapSequence.Setup(b => b.TryPerform()).Returns(OperationResult.Success);
sessionSequence.Setup(b => b.TryPerform()).Returns(OperationResult.Failed);
sessionContext.Current = null;
sut.TryStart();
messageBox.Verify(m => m.Show(It.IsAny<string>(), It.IsAny<string>(), It.IsAny<MessageBoxAction>(), It.IsAny<MessageBoxIcon>(), It.IsAny<IWindow>()), Times.AtLeastOnce);
StartSession();
messageBox.Reset();
sessionSequence.Reset();
sessionSequence.Setup(b => b.TryRepeat()).Returns(OperationResult.Failed);
runtimeHost.Raise(h => h.ReconfigurationRequested += null, new ReconfigurationEventArgs());
messageBox.Verify(m => m.Show(It.IsAny<string>(), It.IsAny<string>(), It.IsAny<MessageBoxAction>(), It.IsAny<MessageBoxIcon>(), It.IsAny<IWindow>()), Times.AtLeastOnce);
}
[TestMethod]
public void ServiceProxy_MustShutdownWhenConnectionLostAndMandatory()
{
currentSettings.Service.Policy = ServicePolicy.Mandatory;
StartSession();
service.Raise(c => c.ConnectionLost += null);
messageBox.Verify(m => m.Show(
It.IsAny<TextKey>(),
It.IsAny<TextKey>(),
It.IsAny<MessageBoxAction>(),
It.Is<MessageBoxIcon>(i => i == MessageBoxIcon.Error),
It.IsAny<IWindow>()), Times.Once);
sessionSequence.Verify(s => s.TryRevert(), Times.Once);
shutdown.Verify(s => s(), Times.Once);
}
[TestMethod]
public void ServiceProxy_MustNotShutdownWhenConnectionLostAndNotMandatory()
{
currentSettings.Service.Policy = ServicePolicy.Optional;
StartSession();
service.Raise(c => c.ConnectionLost += null);
messageBox.Verify(m => m.Show(
It.IsAny<TextKey>(),
It.IsAny<TextKey>(),
It.IsAny<MessageBoxAction>(),
It.Is<MessageBoxIcon>(i => i == MessageBoxIcon.Error),
It.IsAny<IWindow>()), Times.Never);
sessionSequence.Verify(s => s.TryRevert(), Times.Never);
shutdown.Verify(s => s(), Times.Never);
}
[TestMethod]
public void Shutdown_MustRevertSessionThenBootstrapSequence()
{
var order = 0;
var bootstrap = 0;
var session = 0;
sut.TryStart();
bootstrapSequence.Reset();
sessionSequence.Reset();
bootstrapSequence.Setup(b => b.TryRevert()).Returns(OperationResult.Success).Callback(() => bootstrap = ++order);
sessionSequence.Setup(b => b.TryRevert()).Returns(OperationResult.Success).Callback(() => session = ++order);
sut.Terminate();
bootstrapSequence.Verify(b => b.TryPerform(), Times.Never);
bootstrapSequence.Verify(b => b.TryRevert(), Times.Once);
sessionSequence.Verify(b => b.TryPerform(), Times.Never);
sessionSequence.Verify(b => b.TryRepeat(), Times.Never);
sessionSequence.Verify(b => b.TryRevert(), Times.Once);
Assert.AreEqual(1, session);
Assert.AreEqual(2, bootstrap);
}
[TestMethod]
public void Shutdown_MustOnlyRevertBootstrapSequenceIfNoSessionRunning()
{
var order = 0;
var bootstrap = 0;
var session = 0;
sut.TryStart();
bootstrapSequence.Reset();
sessionSequence.Reset();
bootstrapSequence.Setup(b => b.TryRevert()).Returns(OperationResult.Success).Callback(() => bootstrap = ++order);
sessionSequence.Setup(b => b.TryRevert()).Returns(OperationResult.Success).Callback(() => session = ++order);
sessionContext.Current = null;
sut.Terminate();
bootstrapSequence.Verify(b => b.TryPerform(), Times.Never);
bootstrapSequence.Verify(b => b.TryRevert(), Times.Once);
sessionSequence.Verify(b => b.TryPerform(), Times.Never);
sessionSequence.Verify(b => b.TryRepeat(), Times.Never);
sessionSequence.Verify(b => b.TryRevert(), Times.Never);
Assert.AreEqual(0, session);
Assert.AreEqual(1, bootstrap);
}
[TestMethod]
public void Shutdown_MustIndicateFailureToUser()
{
var order = 0;
var bootstrap = 0;
var session = 0;
sut.TryStart();
bootstrapSequence.Reset();
sessionSequence.Reset();
bootstrapSequence.Setup(b => b.TryRevert()).Returns(OperationResult.Failed).Callback(() => bootstrap = ++order);
sessionSequence.Setup(b => b.TryRevert()).Returns(OperationResult.Success).Callback(() => session = ++order);
sut.Terminate();
messageBox.Verify(m => m.Show(It.IsAny<string>(), It.IsAny<string>(), It.IsAny<MessageBoxAction>(), It.IsAny<MessageBoxIcon>(), It.IsAny<IWindow>()), Times.AtLeastOnce);
}
[TestMethod]
public void Startup_MustPerformBootstrapThenSessionSequence()
{
var order = 0;
var bootstrap = 0;
var session = 0;
bootstrapSequence.Setup(b => b.TryPerform()).Returns(OperationResult.Success).Callback(() => bootstrap = ++order);
sessionSequence.Setup(b => b.TryPerform()).Returns(OperationResult.Success).Callback(() => { session = ++order; sessionContext.Current = currentSession; });
sessionContext.Current = null;
var success = sut.TryStart();
bootstrapSequence.Verify(b => b.TryPerform(), Times.Once);
bootstrapSequence.Verify(b => b.TryRevert(), Times.Never);
sessionSequence.Verify(b => b.TryPerform(), Times.Once);
sessionSequence.Verify(b => b.TryRepeat(), Times.Never);
sessionSequence.Verify(b => b.TryRevert(), Times.Never);
Assert.IsTrue(success);
Assert.AreEqual(1, bootstrap);
Assert.AreEqual(2, session);
}
[TestMethod]
public void Startup_MustNotPerformSessionSequenceIfBootstrapFails()
{
var order = 0;
var bootstrap = 0;
var session = 0;
bootstrapSequence.Setup(b => b.TryPerform()).Returns(OperationResult.Failed).Callback(() => bootstrap = ++order);
sessionSequence.Setup(b => b.TryPerform()).Returns(OperationResult.Success).Callback(() => { session = ++order; sessionContext.Current = currentSession; });
sessionContext.Current = null;
var success = sut.TryStart();
bootstrapSequence.Verify(b => b.TryPerform(), Times.Once);
bootstrapSequence.Verify(b => b.TryRevert(), Times.Never);
sessionSequence.Verify(b => b.TryPerform(), Times.Never);
sessionSequence.Verify(b => b.TryRepeat(), Times.Never);
sessionSequence.Verify(b => b.TryRevert(), Times.Never);
Assert.IsFalse(success);
Assert.AreEqual(1, bootstrap);
Assert.AreEqual(0, session);
}
[TestMethod]
public void Startup_MustTerminateOnSessionStartFailure()
{
bootstrapSequence.Setup(b => b.TryPerform()).Returns(OperationResult.Success);
sessionSequence.Setup(b => b.TryPerform()).Returns(OperationResult.Failed).Callback(() => sessionContext.Current = currentSession);
sessionContext.Current = null;
var success = sut.TryStart();
bootstrapSequence.Verify(b => b.TryPerform(), Times.Once);
bootstrapSequence.Verify(b => b.TryRevert(), Times.Never);
sessionSequence.Verify(b => b.TryPerform(), Times.Once);
sessionSequence.Verify(b => b.TryRepeat(), Times.Never);
sessionSequence.Verify(b => b.TryRevert(), Times.Once);
shutdown.Verify(s => s(), Times.Once);
}
[TestMethod]
public void Startup_MustNotTerminateOnSessionStartAbortion()
{
bootstrapSequence.Setup(b => b.TryPerform()).Returns(OperationResult.Success);
sessionSequence.Setup(b => b.TryPerform()).Returns(OperationResult.Aborted).Callback(() => sessionContext.Current = currentSession);
sessionContext.Current = null;
var success = sut.TryStart();
bootstrapSequence.Verify(b => b.TryPerform(), Times.Once);
bootstrapSequence.Verify(b => b.TryRevert(), Times.Never);
sessionSequence.Verify(b => b.TryPerform(), Times.Once);
sessionSequence.Verify(b => b.TryRepeat(), Times.Never);
sessionSequence.Verify(b => b.TryRevert(), Times.Never);
shutdown.Verify(s => s(), Times.Never);
}
[TestMethod]
public void Startup_MustUpdateProgressForBootstrapSequence()
{
var args = new ProgressChangedEventArgs
{
CurrentValue = 12,
IsIndeterminate = true,
MaxValue = 100,
Progress = true,
Regress = true
};
bootstrapSequence
.Setup(b => b.TryPerform())
.Returns(OperationResult.Success)
.Callback(() => { bootstrapSequence.Raise(s => s.ProgressChanged += null, args); });
var success = sut.TryStart();
splashScreen.Verify(s => s.SetValue(It.Is<int>(i => i == args.CurrentValue)), Times.Once);
splashScreen.Verify(s => s.SetIndeterminate(), Times.Once);
splashScreen.Verify(s => s.SetMaxValue(It.Is<int>(i => i == args.MaxValue)), Times.Once);
splashScreen.Verify(s => s.Progress(), Times.Once);
splashScreen.Verify(s => s.Regress(), Times.Once);
}
[TestMethod]
public void Startup_MustUpdateStatusForBootstrapSequence()
{
var key = TextKey.OperationStatus_InitializeBrowser;
bootstrapSequence
.Setup(b => b.TryPerform())
.Returns(OperationResult.Success)
.Callback(() => { bootstrapSequence.Raise(s => s.StatusChanged += null, key); });
var success = sut.TryStart();
splashScreen.Verify(s => s.UpdateStatus(It.Is<TextKey>(k => k == key), true), Times.Once);
}
private void StartSession()
{
bootstrapSequence.Setup(b => b.TryPerform()).Returns(OperationResult.Success);
sessionSequence.Setup(b => b.TryPerform()).Returns(OperationResult.Success).Callback(() => sessionContext.Current = currentSession);
sessionContext.Current = null;
sut.TryStart();
}
}
}