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Extended unit tests for browser handlers.

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This commit is contained in:
Damian Büchel 2021-07-19 14:59:57 +02:00
parent 8fb5519f4d
commit da2c709360
4 changed files with 208 additions and 2 deletions

3
SafeExamBrowser.Browser.UnitTests/Handlers/DisplayHandlerTests.cs
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@ -6,8 +6,10 @@
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using System;
using System.Collections.Generic;
using CefSharp;
using CefSharp.Enums;
using CefSharp.Structs;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using SafeExamBrowser.Browser.Handlers;
@ -32,6 +34,7 @@ namespace SafeExamBrowser.Browser.UnitTests.Handlers
Assert.IsFalse(sut.OnAutoResize(default(IWebBrowser), default(IBrowser), default(Size)));
Assert.IsFalse(sut.OnConsoleMessage(default(IWebBrowser), default(ConsoleMessageEventArgs)));
Assert.IsFalse(sut.OnCursorChange(default(IWebBrowser), default(IBrowser), default(IntPtr), default(CursorType), default(CursorInfo)));
Assert.IsFalse(sut.OnTooltipChanged(default(IWebBrowser), ref text));
}

42
SafeExamBrowser.Browser.UnitTests/Handlers/KeyboardHandlerTests.cs
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@ -25,14 +25,52 @@ namespace SafeExamBrowser.Browser.UnitTests.Handlers
}
[TestMethod]
public void MustDetectReload()
public void MustDetectFindCommand()
{
var findRequested = false;
sut.FindRequested += () => findRequested = true;
var handled = sut.OnKeyEvent(default(IWebBrowser), default(IBrowser), KeyType.KeyUp, (int) Keys.F, default(int), CefEventFlags.ControlDown, default(bool));
Assert.IsTrue(findRequested);
Assert.IsFalse(handled);
findRequested = false;
handled = sut.OnKeyEvent(default(IWebBrowser), default(IBrowser), default(KeyType), default(int), default(int), CefEventFlags.ControlDown, default(bool));
Assert.IsFalse(findRequested);
Assert.IsFalse(handled);
}
[TestMethod]
public void MustDetectHomeNavigationCommand()
{
var homeRequested = false;
sut.HomeNavigationRequested += () => homeRequested = true;
var handled = sut.OnKeyEvent(default(IWebBrowser), default(IBrowser), KeyType.KeyUp, (int) Keys.Home, default(int), default(CefEventFlags), default(bool));
Assert.IsTrue(homeRequested);
Assert.IsFalse(handled);
homeRequested = false;
handled = sut.OnKeyEvent(default(IWebBrowser), default(IBrowser), default(KeyType), default(int), default(int), default(CefEventFlags), default(bool));
Assert.IsFalse(homeRequested);
Assert.IsFalse(handled);
}
[TestMethod]
public void MustDetectReloadCommand()
{
var isShortcut = default(bool);
var reloadRequested = false;
sut.ReloadRequested += () => reloadRequested = true;
var handled = sut.OnPreKeyEvent(default(IWebBrowser), default(IBrowser), KeyType.KeyUp, (int)Keys.F5, default(int), default(CefEventFlags), default(bool), ref isShortcut);
var handled = sut.OnPreKeyEvent(default(IWebBrowser), default(IBrowser), KeyType.KeyUp, (int) Keys.F5, default(int), default(CefEventFlags), default(bool), ref isShortcut);
Assert.IsTrue(reloadRequested);
Assert.IsTrue(handled);

58
SafeExamBrowser.Browser.UnitTests/Handlers/RequestHandlerTests.cs
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@ -6,6 +6,7 @@
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
using System;
using CefSharp;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using Moq;
@ -49,6 +50,15 @@ namespace SafeExamBrowser.Browser.UnitTests.Handlers
sut = new TestableRequestHandler(appConfig, filter.Object, logger.Object, resourceHandler, settings, windowSettings, text.Object);
}
[TestMethod]
public void MustBlockSpecialWindowDispositions()
{
Assert.IsTrue(sut.OnOpenUrlFromTab(default(IWebBrowser), default(IBrowser), default(IFrame), default(string), WindowOpenDisposition.NewBackgroundTab, default(bool)));
Assert.IsTrue(sut.OnOpenUrlFromTab(default(IWebBrowser), default(IBrowser), default(IFrame), default(string), WindowOpenDisposition.NewPopup, default(bool)));
Assert.IsTrue(sut.OnOpenUrlFromTab(default(IWebBrowser), default(IBrowser), default(IFrame), default(string), WindowOpenDisposition.NewWindow, default(bool)));
Assert.IsTrue(sut.OnOpenUrlFromTab(default(IWebBrowser), default(IBrowser), default(IFrame), default(string), WindowOpenDisposition.SaveToDisk, default(bool)));
}
[TestMethod]
public void MustDetectQuitUrl()
{
@ -168,6 +178,44 @@ namespace SafeExamBrowser.Browser.UnitTests.Handlers
Assert.IsFalse(eventFired);
}
[TestMethod]
public void MustInitiateConfigurationFileDownload()
{
var browser = new Mock<IBrowser>();
var host = new Mock<IBrowserHost>();
var request = new Mock<IRequest>();
appConfig.ConfigurationFileExtension = ".xyz";
appConfig.SebUriScheme = "abc";
appConfig.SebUriSchemeSecure = "abcd";
browser.Setup(b => b.GetHost()).Returns(host.Object);
request.SetupGet(r => r.Url).Returns($"{appConfig.SebUriScheme}://host.com/path/file{appConfig.ConfigurationFileExtension}");
var handled = sut.OnBeforeBrowse(Mock.Of<IWebBrowser>(), browser.Object, Mock.Of<IFrame>(), request.Object, false, false);
host.Verify(h => h.StartDownload(It.Is<string>(u => u == $"{Uri.UriSchemeHttp}://host.com/path/file{appConfig.ConfigurationFileExtension}")));
Assert.IsTrue(handled);
handled = false;
host.Reset();
request.Reset();
request.SetupGet(r => r.Url).Returns($"{appConfig.SebUriSchemeSecure}://host.com/path/file{appConfig.ConfigurationFileExtension}");
handled = sut.OnBeforeBrowse(Mock.Of<IWebBrowser>(), browser.Object, Mock.Of<IFrame>(), request.Object, false, false);
host.Verify(h => h.StartDownload(It.Is<string>(u => u == $"{Uri.UriSchemeHttps}://host.com/path/file{appConfig.ConfigurationFileExtension}")));
Assert.IsTrue(handled);
}
[TestMethod]
public void MustReturnResourceHandler()
{
var disableDefaultHandling = default(bool);
var handler = sut.GetResourceRequestHandler(default(IWebBrowser), default(IBrowser), default(IFrame), default(IRequest), default(bool), default(bool), default(string), ref disableDefaultHandling);
Assert.AreSame(resourceHandler, handler);
}
[TestMethod]
public void MustUseProxyCredentials()
{
@ -216,10 +264,20 @@ namespace SafeExamBrowser.Browser.UnitTests.Handlers
return base.GetAuthCredentials(webBrowser, browser, originUrl, isProxy, host, port, realm, scheme, callback);
}
public new IResourceRequestHandler GetResourceRequestHandler(IWebBrowser webBrowser, IBrowser browser, IFrame frame, IRequest request, bool isNavigation, bool isDownload, string requestInitiator, ref bool disableDefaultHandling)
{
return base.GetResourceRequestHandler(webBrowser, browser, frame, request, isNavigation, isDownload, requestInitiator, ref disableDefaultHandling);
}
public new bool OnBeforeBrowse(IWebBrowser webBrowser, IBrowser browser, IFrame frame, IRequest request, bool userGesture, bool isRedirect)
{
return base.OnBeforeBrowse(webBrowser, browser, frame, request, userGesture, isRedirect);
}
public new bool OnOpenUrlFromTab(IWebBrowser webBrowser, IBrowser browser, IFrame frame, string targetUrl, WindowOpenDisposition targetDisposition, bool userGesture)
{
return base.OnOpenUrlFromTab(webBrowser, browser, frame, targetUrl, targetDisposition, userGesture);
}
}
}
}

107
SafeExamBrowser.Browser.UnitTests/Handlers/ResourceHandlerTests.cs
View file

@ -9,6 +9,7 @@
using System;
using System.Collections.Specialized;
using System.Net.Mime;
using System.Threading;
using CefSharp;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using Moq;
@ -128,6 +129,12 @@ namespace SafeExamBrowser.Browser.UnitTests.Handlers
Assert.IsNotNull(resourceHandler);
}
[TestMethod]
public void MustLetOperatingSystemHandleUnknownProtocols()
{
Assert.IsTrue(sut.OnProtocolExecution(default(IWebBrowser), default(IBrowser), default(IFrame), default(IRequest)));
}
[TestMethod]
public void MustRedirectToDisablePdfToolbar()
{
@ -183,6 +190,96 @@ namespace SafeExamBrowser.Browser.UnitTests.Handlers
Assert.AreEqual("https://www.host.org/", url);
}
[TestMethod]
public void MustSearchGenericLmsSessionIdentifier()
{
var @event = new AutoResetEvent(false);
var headers = new NameValueCollection();
var newUrl = default(string);
var request = new Mock<IRequest>();
var response = new Mock<IResponse>();
var sessionId = default(string);
headers.Add("X-LMS-USER-ID", "some-session-id-123");
request.SetupGet(r => r.Url).Returns("https://www.somelms.org");
response.SetupGet(r => r.Headers).Returns(headers);
sut.SessionIdentifierDetected += (id) =>
{
sessionId = id;
@event.Set();
};
sut.OnResourceRedirect(Mock.Of<IWebBrowser>(), Mock.Of<IBrowser>(), Mock.Of<IFrame>(), Mock.Of<IRequest>(), response.Object, ref newUrl);
@event.WaitOne();
Assert.AreEqual("some-session-id-123", sessionId);
sessionId = default(string);
sut.OnResourceResponse(Mock.Of<IWebBrowser>(), Mock.Of<IBrowser>(), Mock.Of<IFrame>(), request.Object, response.Object);
@event.WaitOne();
Assert.AreEqual("some-session-id-123", sessionId);
}
[TestMethod]
public void MustSearchEdxSessionIdentifier()
{
var @event = new AutoResetEvent(false);
var headers = new NameValueCollection();
var newUrl = default(string);
var request = new Mock<IRequest>();
var response = new Mock<IResponse>();
var sessionId = default(string);
headers.Add("Set-Cookie", "edx-user-info=\"{\\\"username\\\": \\\"edx-123\\\"}\"; expires");
request.SetupGet(r => r.Url).Returns("https://www.somelms.org");
response.SetupGet(r => r.Headers).Returns(headers);
sut.SessionIdentifierDetected += (id) =>
{
sessionId = id;
@event.Set();
};
sut.OnResourceRedirect(Mock.Of<IWebBrowser>(), Mock.Of<IBrowser>(), Mock.Of<IFrame>(), Mock.Of<IRequest>(), response.Object, ref newUrl);
@event.WaitOne();
Assert.AreEqual("edx-123", sessionId);
sessionId = default(string);
sut.OnResourceResponse(Mock.Of<IWebBrowser>(), Mock.Of<IBrowser>(), Mock.Of<IFrame>(), request.Object, response.Object);
@event.WaitOne();
Assert.AreEqual("edx-123", sessionId);
}
[TestMethod]
public void MustSearchMoodleSessionIdentifier()
{
var @event = new AutoResetEvent(false);
var headers = new NameValueCollection();
var newUrl = default(string);
var request = new Mock<IRequest>();
var response = new Mock<IResponse>();
var sessionId = default(string);
headers.Add("Location", "https://www.some-moodle-instance.org/moodle/login/index.php?testsession=123");
request.SetupGet(r => r.Url).Returns("https://www.some-moodle-instance.org");
response.SetupGet(r => r.Headers).Returns(headers);
sut.SessionIdentifierDetected += (id) =>
{
sessionId = id;
@event.Set();
};
sut.OnResourceRedirect(Mock.Of<IWebBrowser>(), Mock.Of<IBrowser>(), Mock.Of<IFrame>(), Mock.Of<IRequest>(), response.Object, ref newUrl);
@event.WaitOne();
Assert.AreEqual("123", sessionId);
sessionId = default(string);
sut.OnResourceResponse(Mock.Of<IWebBrowser>(), Mock.Of<IBrowser>(), Mock.Of<IFrame>(), request.Object, response.Object);
@event.WaitOne();
Assert.AreEqual("123", sessionId);
}
private class TestableResourceHandler : ResourceHandler
{
internal TestableResourceHandler(
@ -205,6 +302,16 @@ namespace SafeExamBrowser.Browser.UnitTests.Handlers
return base.OnBeforeResourceLoad(webBrowser, browser, frame, request, callback);
}
public new bool OnProtocolExecution(IWebBrowser webBrowser, IBrowser browser, IFrame frame, IRequest request)
{
return base.OnProtocolExecution(webBrowser, browser, frame, request);
}
public new void OnResourceRedirect(IWebBrowser webBrowser, IBrowser browser, IFrame frame, IRequest request, IResponse response, ref string newUrl)
{
base.OnResourceRedirect(webBrowser, browser, frame, request, response, ref newUrl);
}
public new bool OnResourceResponse(IWebBrowser webBrowser, IBrowser browser, IFrame frame, IRequest request, IResponse response)
{
return base.OnResourceResponse(webBrowser, browser, frame, request, response);