public void SelectorSequence_WithThreeSelectors_ToString()
{
var selector = CssSelector.WithElement("h1", null)
.Add(CssSelector.WithId("chapter1"))
.Add(CssSelector.WithPseudoClass("target"));
Assert.That(selector.ToString(), Is.EqualTo("h1#chapter1:target"));
}
public void PseudoClassSelector_TargetPseudoClass_Matches()
{
var selector = CssSelector.WithPseudoClass("target");
var pseudoClassInfo = Substitute.For <XElementPseudoClassInfo>();
pseudoClassInfo.IsTarget(Arg.Any <XElement>())
.Returns(call => "true".Equals(call.Arg <XElement>().Attribute("istarget")?.Value, StringComparison.OrdinalIgnoreCase));
var xdoc = XDocument.Parse(@"
<html>
<head />
<body>
<h1 id='ch1' />
<h1 id='ch2' istarget='true' />
<h1 id='ch3' />
</body>
</html>" );
var matchingElements = xdoc.Descendants().Where(e => selector.Matches(new XElementInfo(e, pseudoClassInfo))).ToList();
Assert.That(matchingElements.Select(e => e.Attribute("id").Value), Is.EquivalentTo(new[] { "ch2" }));
}
public void SelectorSequence_WithThreeSelectors()
{
var typeSelector = CssSelector.WithElement("h1", null);
var extraSelectors = new CssSimpleSelector[]
{
CssSelector.WithId("chapter1"),
CssSelector.WithPseudoClass("target")
};
var selector = typeSelector.Add(extraSelectors[0]);
for (var i = 1; i < extraSelectors.Length; i++)
{
selector = selector.Add(extraSelectors[i]);
}
Assert.Multiple(() =>
{
Assert.That(selector.TypeSelector, Is.SameAs(typeSelector), nameof(selector.TypeSelector));
Assert.That(selector.OtherSelectors, Is.EquivalentTo(extraSelectors), nameof(selector.OtherSelectors));
Assert.That(selector.Subject, Is.SameAs(selector), nameof(selector.Subject));
Assert.That(selector.Specificity, Is.EqualTo(new CssSpecificity(1, 1, 1)), nameof(selector.Specificity));
});
}
public void PseudoClassSelector_TargetPseudoClass_ToString()
{
Assert.That(CssSelector.WithPseudoClass("target").ToString(), Is.EqualTo(":target"));
}
public void PseudoClassSelector_ForNonStandardPseudoclass()
{
var selector = CssSelector.WithPseudoClass("unknown");
Assert.That(selector.Specificity, Is.EqualTo(new CssSpecificity(0, 1, 0)), nameof(selector.Specificity));
}