public void ReturnFalse_WhenTheHtmlElementHasNoAttributeStartingWithOnPrefix()
{
// Act
var actualResult = new JavaScriptRelatedAttributeSanitizer().CanSanitize(ElementFactory.CreateAnchor());
// Assert
Assert.IsFalse(actualResult);
}
public void ReturnFalse_WhenTheHtmlElementIsNull()
{
// Act
var actualResult = new JavaScriptRelatedAttributeSanitizer().CanSanitize(null);
// Assert
Assert.IsFalse(actualResult);
}
public void ReturnFalse_WhenTheHtmlElementHasAnAttributeWhichNameIsOn()
{
// Arrange
var htmlString = "<button on=\"true\">Click me</button>";
var htmlElement = ElementFactory.CreateFromHtmlString(htmlString);
// Act
var actualResult = new JavaScriptRelatedAttributeSanitizer().CanSanitize(htmlElement);
// Assert
Assert.IsFalse(actualResult);
}
public void ReturnTrue_WhenTheHtmlElementHasAnAttributeStartingWithOnAndItsLengthIsGreaterThanTwo()
{
// Arrange
var htmlString = "<button onclick=\"myFunction()\">Click me</button>";
var htmlElement = ElementFactory.CreateFromHtmlString(htmlString);
// Act
var actualResult = new JavaScriptRelatedAttributeSanitizer().CanSanitize(htmlElement);
// Assert
Assert.IsTrue(actualResult);
}
public void NotRemoveOnAttribute()
{
// Arrange
var htmlString = "<button onclick=\"myFunction()\" on=\"yes\">Click me</button>";
var htmlElement = ElementFactory.CreateFromHtmlString(htmlString);
// Act
var actualResult = new JavaScriptRelatedAttributeSanitizer().Sanitize(null, htmlElement);
var onAttributeExists = htmlElement.HasAttribute("on");
// Assert
Assert.IsTrue(onAttributeExists);
}
public void RemoveAllAttributesStartingWithOnAndLengthGreaterThanTwo()
{
// Arrange
var htmlString = "<button onclick=\"myFunction()\">Click me</button>";
var htmlElement = ElementFactory.CreateFromHtmlString(htmlString);
// Act
var actualResult = new JavaScriptRelatedAttributeSanitizer().Sanitize(null, htmlElement);
var onAttributesExist = htmlElement.Attributes.Any(a => a.Name.StartsWith("on") && a.Name.Length > 2);
// Assert
Assert.IsFalse(onAttributesExist);
}
