public void ReturnFalse_WhenElementArgumentIsNull()
{
// Act
var actualResult = new ImageSanitizer().CanSanitize(null);
// Assert
Assert.IsFalse(actualResult);
}
public void ReturnTrue_WhenElementIsImageElement()
{
// Arrange
var htmlElement = ElementFactory.CreateImage();
// Act
var actualResult = new ImageSanitizer().CanSanitize(htmlElement);
// Assert
Assert.IsTrue(actualResult);
}
public void ReturnFalse_WhenElementArgumentIsNotImageElement()
{
// Arrange
var htmlElement = ElementFactory.Create("div");
// Act
var actualResult = new ImageSanitizer().CanSanitize(htmlElement);
// Assert
Assert.IsFalse(actualResult);
}
public void ReturnAmpImageElementWithLayoutAttributeSetToFill_IfTheOriginalImageElementHasNoWidthAndHeightAttributesAndShouldDownloadImagesIsNotSpecified()
{
// Arrange
const string ExpectedResult = "fill";
var imageElement = ElementFactory.CreateImage();
imageElement.Source = "http://www.mywebsite.com/img1.jpg";
ElementFactory.Document.Body.Append(imageElement);
// Act
var actualResult = new ImageSanitizer().Sanitize(ElementFactory.Document, imageElement);
// Assert
Assert.AreEqual(ExpectedResult, actualResult.GetAttribute("layout"));
}
public void ReturnAmpImageElementWithLayoutEqualToNoDisplay_WhenTheImageHasAttributeStyleVisibilityHidden()
{
// Arrange
const string ExpectedResult = "nodisplay";
var imageElement = ElementFactory.CreateImage();
imageElement.SetAttribute("style", "visibility:hidden");
// Adding image element to the document in order to simulate real herarchy
ElementFactory.Document.Body.Append(imageElement);
// Act
var ampElement = new ImageSanitizer().Sanitize(ElementFactory.Document, imageElement);
// Assert
Assert.AreEqual(ExpectedResult, ampElement.GetAttribute("layout"));
}
public void ReturnAmpImageElementWithLayoutAttributeSetToResponsive_IfTheOriginalImageElementHasBothWidthAndHeightAttributes()
{
// Arrange
const string ExpectedResult = "responsive";
var imageElement = ElementFactory.CreateImage();
imageElement.Source = "http://www.mywebsite.com/img1.jpg";
imageElement.DisplayWidth = 100;
imageElement.DisplayHeight = 100;
ElementFactory.Document.Body.Append(imageElement);
// Act
var actualResult = new ImageSanitizer().Sanitize(ElementFactory.Document, imageElement);
// Assert
Assert.AreEqual(ExpectedResult, actualResult.GetAttribute("layout"));
}
public void ReturnAmpImageElement()
{
// Arrange
const int ImageSize = 100;
const string ExpectedResult = "AMP-IMG";
var imageElement = ElementFactory.CreateImage();
imageElement.DisplayWidth = ImageSize;
imageElement.DisplayHeight = ImageSize;
// Adding image element to the document in order to simulate real herarchy
ElementFactory.Document.Body.Append(imageElement);
// Act
var ampElement = new ImageSanitizer().Sanitize(ElementFactory.Document, imageElement);
// Assert
Assert.AreEqual(ExpectedResult, ampElement.TagName);
}
public void ReturnAmpImageElementWithLayoutEqualToResponsive_WhenWidthAndHeightAreSpecified()
{
// Arrange
const string ExpectedResult = "responsive";
const int ImageSize = 100;
var imageElement = ElementFactory.CreateImage();
imageElement.DisplayWidth = ImageSize;
imageElement.DisplayHeight = ImageSize;
// Adding image element to the document in order to simulate real herarchy
ElementFactory.Document.Body.Append(imageElement);
// Act
var ampElement = new ImageSanitizer().Sanitize(ElementFactory.Document, imageElement);
// Assert
Assert.AreEqual(ExpectedResult, ampElement.GetAttribute("layout"));
}
public void ReturnAmpImageElementWithPredefinedHeight_WhenWidthAndHeightAreSpecified()
{
// Arrange
const int ImageSize = 100;
var imageElement = ElementFactory.CreateImage();
imageElement.DisplayWidth = ImageSize;
imageElement.DisplayHeight = ImageSize;
// Adding image element to the document in order to simulate real herarchy
ElementFactory.Document.Body.Append(imageElement);
// Act
var ampElement = new ImageSanitizer().Sanitize(ElementFactory.Document, imageElement);
// Assert
int actualHeight = int.Parse(ampElement.GetAttribute("height"));
Assert.AreEqual(ImageSize, actualHeight);
}
public void ReturnAmpAnimElement_WhenSourceExtensionIsGIF()
{
// Arrange
const string ExpectedResult = "AMP-ANIM";
const int ImageSize = 100;
var imageElement = ElementFactory.CreateImage();
imageElement.DisplayWidth = ImageSize;
imageElement.DisplayHeight = ImageSize;
imageElement.Source = "http://mysite.com/my-animation.gif";
// Adding image element to the document in order to simulate real herarchy
ElementFactory.Document.Body.Append(imageElement);
// Act
var ampElement = new ImageSanitizer().Sanitize(ElementFactory.Document, imageElement);
// Assert
Assert.AreEqual(ExpectedResult, ampElement.TagName);
}
public void CopyAllAttributesFromTheOriginalImageElementToTheAmpElement_Always()
{
// Arrange
var htmlElement = ElementFactory.CreateImage();
htmlElement.Source = "https://www.example.com/img1.png";
htmlElement.Id = "imgId";
htmlElement.ClassName = "someClassName";
htmlElement.DisplayWidth = 100;
htmlElement.DisplayHeight = 200;
ElementFactory.Document.Body.Append(htmlElement);
// Act
var actualResult = new ImageSanitizer().Sanitize(ElementFactory.Document, htmlElement);
// Assert
Assert.AreEqual("https://www.example.com/img1.png", actualResult.GetAttribute("src"));
Assert.AreEqual("imgId", actualResult.Id);
Assert.AreEqual("someClassName", actualResult.ClassName);
Assert.AreEqual(100, int.Parse(actualResult.GetAttribute("width")));
Assert.AreEqual(200, int.Parse(actualResult.GetAttribute("height")));
}
