public void ReturnFalse_WhenTheHtmlElementHasNoAttributeStartingWithOnPrefix()
{
// Act
var actualResult = new JavaScriptRelatedAttributeSanitizer().CanSanitize(ElementFactory.CreateAnchor());
// Assert
Assert.IsFalse(actualResult);
}
public void ReturnFalse_WhenElementHasNotTargetAttribute()
{
// Act
var actualResult = new TargetAttributeSanitizer().CanSanitize(ElementFactory.CreateAnchor());
// Assert
Assert.IsFalse(actualResult);
}
public void ReturnFalse_WhenHtmlElementHasNotHrefAttribute()
{
// Act
var actualResult = new HrefJavaScriptSanitizer().CanSanitize(ElementFactory.CreateAnchor());
// Assert
Assert.IsFalse(actualResult);
}
public void ReturnFalse_WhenHtmlElementIsNotIFrame()
{
// Arrange
var htmlElement = ElementFactory.CreateAnchor();
// Act
var actualResult = new YouTubeVideoSanitizer().CanSanitize(htmlElement);
// Assert
Assert.IsFalse(actualResult);
}
public void SetTargetAttributeToBlank()
{
// Arrange
var htmlElement = ElementFactory.CreateAnchor();
// Act
var actualResult = new TargetAttributeSanitizer().Sanitize(ElementFactory.Document, htmlElement);
// Assert
Assert.IsTrue(htmlElement.HasAttribute("target"));
Assert.AreEqual("_blank", htmlElement.GetAttribute("target"));
}
private IHtmlInlineFrameElement CreateIFrame()
{
var iframe = ElementFactory.CreateIFrame();
iframe.Source = string.Format("http://youtube.com/embed/{0}", VideoId);
var parent = ElementFactory.CreateAnchor();
parent.AppendChild(iframe);
return(iframe);
}
public void ReturnTrue_WhenElementHasTargetAttributeEqualEmptyString()
{
// Arrange
var linkElement = ElementFactory.CreateAnchor();
linkElement.SetAttribute("target", string.Empty);
// Act
var actualResult = new TargetAttributeSanitizer().CanSanitize(linkElement);
// Assert
Assert.IsTrue(actualResult);
}
public void ReturnTrue_WhenElementHasTargetAttributeNotEqualToBlank()
{
// Arrange
var linkElement = ElementFactory.CreateAnchor();
linkElement.SetAttribute("target", "_parent");
// Act
var actualResult = new TargetAttributeSanitizer().CanSanitize(linkElement);
// Assert
Assert.IsTrue(actualResult);
}
public void ReturnTrue_WhenHrefAttributeIsStartingWithJavaScript()
{
// Arrange
var anchorElement = ElementFactory.CreateAnchor();
anchorElement.Href = "javascript:void(0);";
// Act
var actualResult = new HrefJavaScriptSanitizer().CanSanitize(anchorElement);
// Assert
Assert.IsTrue(actualResult);
}
public void ReturnFalse_WhenHrefAttributeIsNotStartingWithJavaScript()
{
// Arrange
var anchorElement = ElementFactory.CreateAnchor();
anchorElement.Href = "/random-url";
// Act
var actualResult = new HrefJavaScriptSanitizer().CanSanitize(anchorElement);
// Assert
Assert.IsFalse(actualResult);
}
public void RemoveScriptElement()
{
// Arrange
var parentElement = ElementFactory.CreateAnchor();
var scriptElement = ElementFactory.CreateScript();
parentElement.AppendChild(scriptElement);
// Act
new ScriptElementSanitizer().Sanitize(null, scriptElement);
// Assert
Assert.AreEqual(0, parentElement.Children.Length);
}
public void ReturnNull_WhenScriptElementIsRemoved()
{
// Arrange
var parentElement = ElementFactory.CreateAnchor();
var scriptElement = ElementFactory.CreateScript();
parentElement.AppendChild(scriptElement);
// Act
var actualResult = new ScriptElementSanitizer().Sanitize(null, scriptElement);
// Assert
Assert.IsNull(actualResult);
}
public void ReplaceHrefAttributeWithHash()
{
// Arrange
var anchorElement = ElementFactory.CreateAnchor();
anchorElement.Href = "javascript:void(0);";
// Act
var actualResult = new HrefJavaScriptSanitizer().Sanitize(null, anchorElement);
// Assert
// Using .GetAttribute("href") because AngleSharp tries to resolve absolute url and that leads to
// about:blank/# . Explantion: https://github.com/AngleSharp/AngleSharp/issues/53
Assert.AreEqual("#", anchorElement.GetAttribute("href"));
}