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SEBWIN-373: Turns out that it isn't necessary to terminate the Windows shell for kiosk mode Create New Desktop, at least with version 1909. Version 1803 did not allow SEB to set its own working area, now it appears to work even while the Windows shell is running. Amazing.

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This commit is contained in:
Damian Büchel 2020-03-01 11:13:41 +01:00
parent 1dedefaea4
commit 09b7da5eae
2 changed files with 104 additions and 123 deletions
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217
SafeExamBrowser.Runtime.UnitTests/Operations/KioskModeOperationTests.cs
View file

@ -63,16 +63,12 @@ namespace SafeExamBrowser.Runtime.UnitTests.Operations
var getCurrrent = 0;
var createNew = 0;
var activate = 0;
var hide = 0;
var setStartup = 0;
var terminate = 0;
nextSettings.Security.KioskMode = KioskMode.CreateNewDesktop;
desktopFactory.Setup(f => f.GetCurrent()).Callback(() => getCurrrent = ++order).Returns(originalDesktop.Object);
desktopFactory.Setup(f => f.CreateNew(It.IsAny<string>())).Callback(() => createNew = ++order).Returns(newDesktop.Object);
explorerShell.Setup(s => s.HideAllWindows()).Callback(() => hide = ++order);
explorerShell.Setup(s => s.Terminate()).Callback(() => terminate = ++order);
newDesktop.Setup(d => d.Activate()).Callback(() => activate = ++order);
processFactory.SetupSet(f => f.StartupDesktop = It.IsAny<IDesktop>()).Callback(() => setStartup = ++order);
@ -80,21 +76,16 @@ namespace SafeExamBrowser.Runtime.UnitTests.Operations
desktopFactory.Verify(f => f.GetCurrent(), Times.Once);
desktopFactory.Verify(f => f.CreateNew(It.IsAny<string>()), Times.Once);
explorerShell.Verify(s => s.Start(), Times.Never);
explorerShell.Verify(s => s.Terminate(), Times.Once);
explorerShell.Verify(s => s.HideAllWindows(), Times.Once);
explorerShell.Verify(s => s.RestoreAllWindows(), Times.Never);
explorerShell.VerifyNoOtherCalls();
newDesktop.Verify(d => d.Activate(), Times.Once);
processFactory.VerifySet(f => f.StartupDesktop = newDesktop.Object, Times.Once);
Assert.AreEqual(OperationResult.Success, result);
Assert.AreEqual(1, hide);
Assert.AreEqual(2, terminate);
Assert.AreEqual(3, getCurrrent);
Assert.AreEqual(4, createNew);
Assert.AreEqual(5, activate);
Assert.AreEqual(6, setStartup);
Assert.AreEqual(1, getCurrrent);
Assert.AreEqual(2, createNew);
Assert.AreEqual(3, activate);
Assert.AreEqual(4, setStartup);
}
[TestMethod]
@ -110,6 +101,7 @@ namespace SafeExamBrowser.Runtime.UnitTests.Operations
explorerShell.Verify(s => s.HideAllWindows(), Times.Once);
explorerShell.Verify(s => s.Terminate(), Times.Once);
explorerShell.VerifyNoOtherCalls();
Assert.AreEqual(OperationResult.Success, result);
}
@ -122,7 +114,9 @@ namespace SafeExamBrowser.Runtime.UnitTests.Operations
var order = 0;
var activate = 0;
var close = 0;
var startup = 0;
var hide = 0;
var startupDesktop = 0;
var terminate = 0;
desktopFactory.Setup(f => f.GetCurrent()).Returns(originalDesktop.Object);
desktopFactory.Setup(f => f.CreateNew(It.IsAny<string>())).Returns(newDesktop.Object);
@ -132,17 +126,21 @@ namespace SafeExamBrowser.Runtime.UnitTests.Operations
desktopFactory.Reset();
explorerShell.Reset();
explorerShell.Setup(s => s.HideAllWindows()).Callback(() => hide = ++order);
explorerShell.Setup(s => s.Terminate()).Callback(() => terminate = ++order);
newDesktop.Reset();
newDesktop.Setup(d => d.Close()).Callback(() => close = ++order);
originalDesktop.Reset();
originalDesktop.Setup(d => d.Activate()).Callback(() => activate = ++order);
processFactory.Reset();
processFactory.SetupSet(f => f.StartupDesktop = It.Is<IDesktop>(d => d == originalDesktop.Object)).Callback(() => startup = ++order);
processFactory.SetupSet(f => f.StartupDesktop = It.Is<IDesktop>(d => d == originalDesktop.Object)).Callback(() => startupDesktop = ++order);
nextSettings.Security.KioskMode = KioskMode.DisableExplorerShell;
var result = sut.Repeat();
desktopFactory.VerifyNoOtherCalls();
explorerShell.Verify(s => s.HideAllWindows(), Times.Once);
explorerShell.Verify(s => s.Terminate(), Times.Once);
explorerShell.VerifyNoOtherCalls();
newDesktop.Verify(d => d.Close(), Times.Once);
originalDesktop.Verify(d => d.Activate(), Times.Once);
@ -150,8 +148,10 @@ namespace SafeExamBrowser.Runtime.UnitTests.Operations
Assert.AreEqual(OperationResult.Success, result);
Assert.AreEqual(1, activate);
Assert.AreEqual(2, startup);
Assert.AreEqual(2, startupDesktop);
Assert.AreEqual(3, close);
Assert.AreEqual(4, hide);
Assert.AreEqual(5, terminate);
}
[TestMethod]
@ -162,8 +162,6 @@ namespace SafeExamBrowser.Runtime.UnitTests.Operations
var order = 0;
var activate = 0;
var close = 0;
var restore = 0;
var start = 0;
var startupDesktop = 0;
desktopFactory.Setup(f => f.GetCurrent()).Returns(originalDesktop.Object);
@ -174,8 +172,6 @@ namespace SafeExamBrowser.Runtime.UnitTests.Operations
desktopFactory.Reset();
explorerShell.Reset();
explorerShell.Setup(s => s.RestoreAllWindows()).Callback(() => restore = ++order);
explorerShell.Setup(s => s.Start()).Callback(() => start = ++order);
newDesktop.Reset();
newDesktop.Setup(d => d.Close()).Callback(() => close = ++order);
originalDesktop.Reset();
@ -187,8 +183,7 @@ namespace SafeExamBrowser.Runtime.UnitTests.Operations
var result = sut.Repeat();
desktopFactory.VerifyNoOtherCalls();
explorerShell.Verify(s => s.RestoreAllWindows(), Times.Once);
explorerShell.Verify(s => s.Start(), Times.Once);
explorerShell.VerifyNoOtherCalls();
newDesktop.Verify(d => d.Close(), Times.Once);
originalDesktop.Verify(d => d.Activate(), Times.Once);
processFactory.VerifySet(f => f.StartupDesktop = It.Is<IDesktop>(d => d == originalDesktop.Object), Times.Once);
@ -197,8 +192,6 @@ namespace SafeExamBrowser.Runtime.UnitTests.Operations
Assert.AreEqual(1, activate);
Assert.AreEqual(2, startupDesktop);
Assert.AreEqual(3, close);
Assert.AreEqual(4, start);
Assert.AreEqual(5, restore);
}
[TestMethod]
@ -209,12 +202,90 @@ namespace SafeExamBrowser.Runtime.UnitTests.Operations
var order = 0;
var activate = 0;
var current = 0;
var startup = 0;
var restore = 0;
var start = 0;
var startupDesktop = 0;
nextSettings.Security.KioskMode = KioskMode.DisableExplorerShell;
sut.Perform();
desktopFactory.Reset();
desktopFactory.Setup(f => f.GetCurrent()).Returns(originalDesktop.Object).Callback(() => current = ++order);
desktopFactory.Setup(f => f.CreateNew(It.IsAny<string>())).Returns(newDesktop.Object);
explorerShell.Reset();
explorerShell.Setup(s => s.RestoreAllWindows()).Callback(() => restore = ++order);
explorerShell.Setup(s => s.Start()).Callback(() => start = ++order);
newDesktop.Reset();
newDesktop.Setup(d => d.Activate()).Callback(() => activate = ++order);
originalDesktop.Reset();
processFactory.Reset();
processFactory.SetupSet(f => f.StartupDesktop = It.Is<IDesktop>(d => d == newDesktop.Object)).Callback(() => startupDesktop = ++order);
nextSettings.Security.KioskMode = KioskMode.CreateNewDesktop;
var result = sut.Repeat();
desktopFactory.Verify(f => f.GetCurrent(), Times.Once);
desktopFactory.Verify(f => f.CreateNew(It.IsAny<string>()), Times.Once);
explorerShell.Verify(s => s.RestoreAllWindows(), Times.Once);
explorerShell.Verify(s => s.Start(), Times.Once);
explorerShell.VerifyNoOtherCalls();
newDesktop.Verify(d => d.Activate(), Times.Once);
originalDesktop.VerifyNoOtherCalls();
processFactory.VerifySet(f => f.StartupDesktop = It.Is<IDesktop>(d => d == newDesktop.Object), Times.Once);
Assert.AreEqual(OperationResult.Success, result);
Assert.AreEqual(1, start);
Assert.AreEqual(2, restore);
Assert.AreEqual(3, current);
Assert.AreEqual(4, activate);
Assert.AreEqual(5, startupDesktop);
}
[TestMethod]
public void Repeat_MustCorrectlySwitchFromDisableExplorerShellToNone()
{
var order = 0;
var restore = 0;
var start = 0;
nextSettings.Security.KioskMode = KioskMode.DisableExplorerShell;
sut.Perform();
explorerShell.Reset();
explorerShell.Setup(s => s.RestoreAllWindows()).Callback(() => restore = ++order);
explorerShell.Setup(s => s.Start()).Callback(() => start = ++order);
processFactory.Reset();
nextSettings.Security.KioskMode = KioskMode.None;
var result = sut.Repeat();
desktopFactory.VerifyNoOtherCalls();
explorerShell.Verify(s => s.RestoreAllWindows(), Times.Once);
explorerShell.Verify(s => s.Start(), Times.Once);
explorerShell.VerifyNoOtherCalls();
processFactory.VerifySet(f => f.StartupDesktop = It.IsAny<IDesktop>(), Times.Never);
Assert.AreEqual(OperationResult.Success, result);
Assert.AreEqual(1, start);
Assert.AreEqual(2, restore);
}
[TestMethod]
public void Repeat_MustCorrectlySwitchFromNoneToCreateNewDesktop()
{
var newDesktop = new Mock<IDesktop>();
var originalDesktop = new Mock<IDesktop>();
var order = 0;
var activate = 0;
var current = 0;
var startup = 0;
nextSettings.Security.KioskMode = KioskMode.None;
sut.Perform();
desktopFactory.Reset();
desktopFactory.Setup(f => f.GetCurrent()).Returns(originalDesktop.Object).Callback(() => current = ++order);
desktopFactory.Setup(f => f.CreateNew(It.IsAny<string>())).Returns(newDesktop.Object);
@ -241,82 +312,6 @@ namespace SafeExamBrowser.Runtime.UnitTests.Operations
Assert.AreEqual(3, startup);
}
[TestMethod]
public void Repeat_MustCorrectlySwitchFromDisableExplorerShellToNone()
{
var order = 0;
var restore = 0;
var start = 0;
nextSettings.Security.KioskMode = KioskMode.DisableExplorerShell;
sut.Perform();
explorerShell.Reset();
explorerShell.Setup(s => s.RestoreAllWindows()).Callback(() => restore = ++order);
explorerShell.Setup(s => s.Start()).Callback(() => start = ++order);
processFactory.Reset();
nextSettings.Security.KioskMode = KioskMode.None;
var result = sut.Repeat();
desktopFactory.VerifyNoOtherCalls();
explorerShell.Verify(s => s.RestoreAllWindows(), Times.Once);
explorerShell.Verify(s => s.Start(), Times.Once);
processFactory.VerifySet(f => f.StartupDesktop = It.IsAny<IDesktop>(), Times.Never);
Assert.AreEqual(OperationResult.Success, result);
Assert.AreEqual(1, start);
Assert.AreEqual(2, restore);
}
[TestMethod]
public void Repeat_MustCorrectlySwitchFromNoneToCreateNewDesktop()
{
var newDesktop = new Mock<IDesktop>();
var originalDesktop = new Mock<IDesktop>();
var order = 0;
var activate = 0;
var current = 0;
var hide = 0;
var startup = 0;
var terminate = 0;
nextSettings.Security.KioskMode = KioskMode.None;
sut.Perform();
desktopFactory.Reset();
desktopFactory.Setup(f => f.GetCurrent()).Returns(originalDesktop.Object).Callback(() => current = ++order);
desktopFactory.Setup(f => f.CreateNew(It.IsAny<string>())).Returns(newDesktop.Object);
explorerShell.Reset();
explorerShell.Setup(s => s.HideAllWindows()).Callback(() => hide = ++order);
explorerShell.Setup(s => s.Terminate()).Callback(() => terminate = ++order);
newDesktop.Reset();
newDesktop.Setup(d => d.Activate()).Callback(() => activate = ++order);
originalDesktop.Reset();
processFactory.Reset();
processFactory.SetupSet(f => f.StartupDesktop = It.Is<IDesktop>(d => d == newDesktop.Object)).Callback(() => startup = ++order);
nextSettings.Security.KioskMode = KioskMode.CreateNewDesktop;
var result = sut.Repeat();
desktopFactory.Verify(f => f.GetCurrent(), Times.Once);
desktopFactory.Verify(f => f.CreateNew(It.IsAny<string>()), Times.Once);
explorerShell.Verify(s => s.HideAllWindows(), Times.Once);
explorerShell.Verify(s => s.Terminate(), Times.Once);
newDesktop.Verify(d => d.Activate(), Times.Once);
originalDesktop.VerifyNoOtherCalls();
processFactory.VerifySet(f => f.StartupDesktop = It.Is<IDesktop>(d => d == newDesktop.Object), Times.Once);
Assert.AreEqual(OperationResult.Success, result);
Assert.AreEqual(1, hide);
Assert.AreEqual(2, terminate);
Assert.AreEqual(3, current);
Assert.AreEqual(4, activate);
Assert.AreEqual(5, startup);
}
[TestMethod]
public void Repeat_MustCorrectlySwitchFromNoneToDisableExplorerShell()
{
@ -371,13 +366,10 @@ namespace SafeExamBrowser.Runtime.UnitTests.Operations
desktopFactory.Verify(f => f.GetCurrent(), Times.Once);
desktopFactory.Verify(f => f.CreateNew(It.IsAny<string>()), Times.Once);
explorerShell.VerifyNoOtherCalls();
newDesktop.Verify(d => d.Activate(), Times.Once);
newDesktop.Verify(d => d.Close(), Times.Never);
processFactory.VerifySet(f => f.StartupDesktop = newDesktop.Object, Times.Once);
explorerShell.Verify(s => s.Start(), Times.Never);
explorerShell.Verify(s => s.Terminate(), Times.Once);
explorerShell.Verify(s => s.HideAllWindows(), Times.Once);
explorerShell.Verify(s => s.RestoreAllWindows(), Times.Never);
}
[TestMethod]
@ -410,10 +402,8 @@ namespace SafeExamBrowser.Runtime.UnitTests.Operations
var originalDesktop = new Mock<IDesktop>();
var order = 0;
var activate = 0;
var restore = 0;
var setStartup = 0;
var close = 0;
var start = 0;
currentSettings.Security.KioskMode = KioskMode.CreateNewDesktop;
nextSettings.Security.KioskMode = KioskMode.CreateNewDesktop;
@ -425,33 +415,26 @@ namespace SafeExamBrowser.Runtime.UnitTests.Operations
Assert.AreEqual(OperationResult.Success, performResult);
desktopFactory.Reset();
explorerShell.Reset();
originalDesktop.Reset();
originalDesktop.Setup(d => d.Activate()).Callback(() => activate = ++order);
processFactory.SetupSet(f => f.StartupDesktop = It.Is<IDesktop>(d => d == originalDesktop.Object)).Callback(() => setStartup = ++order);
newDesktop.Reset();
newDesktop.Setup(d => d.Close()).Callback(() => close = ++order);
explorerShell.Reset();
explorerShell.Setup(s => s.Start()).Callback(() => start = ++order);
explorerShell.Setup(s => s.RestoreAllWindows()).Callback(() => restore = ++order);
var revertResult = sut.Revert();
desktopFactory.VerifyNoOtherCalls();
explorerShell.VerifyNoOtherCalls();
originalDesktop.Verify(d => d.Activate(), Times.Once);
processFactory.VerifySet(f => f.StartupDesktop = originalDesktop.Object, Times.Once);
newDesktop.Verify(d => d.Close(), Times.Once);
explorerShell.Verify(s => s.Start(), Times.Once);
explorerShell.Verify(s => s.Terminate(), Times.Never);
explorerShell.Verify(s => s.HideAllWindows(), Times.Never);
explorerShell.Verify(s => s.RestoreAllWindows(), Times.Once);
Assert.AreEqual(OperationResult.Success, performResult);
Assert.AreEqual(OperationResult.Success, revertResult);
Assert.AreEqual(1, activate);
Assert.AreEqual(2, setStartup);
Assert.AreEqual(3, close);
Assert.AreEqual(4, start);
Assert.AreEqual(5, restore);
}
[TestMethod]

10
SafeExamBrowser.Runtime/Operations/KioskModeOperation.cs
View file

@ -51,7 +51,6 @@ namespace SafeExamBrowser.Runtime.Operations
switch (Context.Next.Settings.Security.KioskMode)
{
case KioskMode.CreateNewDesktop:
TerminateExplorerShell();
CreateNewDesktop();
break;
case KioskMode.DisableExplorerShell:
@ -80,8 +79,8 @@ namespace SafeExamBrowser.Runtime.Operations
case KioskMode.CreateNewDesktop:
CloseNewDesktop();
break;
case KioskMode.None:
TerminateExplorerShell();
case KioskMode.DisableExplorerShell:
RestartExplorerShell();
break;
}
@ -92,8 +91,8 @@ namespace SafeExamBrowser.Runtime.Operations
case KioskMode.CreateNewDesktop:
CreateNewDesktop();
break;
case KioskMode.None:
RestartExplorerShell();
case KioskMode.DisableExplorerShell:
TerminateExplorerShell();
break;
}
}
@ -110,7 +109,6 @@ namespace SafeExamBrowser.Runtime.Operations
{
case KioskMode.CreateNewDesktop:
CloseNewDesktop();
RestartExplorerShell();
break;
case KioskMode.DisableExplorerShell:
RestartExplorerShell();