public void TestTagName()
{
string html = @"<body><h1>title</h1>message</body>";
HtmlDocument doc = new HtmlDocument(html);
var q = new HtmlNavigator( doc )
.Where( n => n.TagName == "h1" )
.Select( n => n );
Assert.AreEqual(1, q.Count());
Assert.AreEqual("title", q.First().Value );
}
public void TestTagName()
{
string html = @"<body><h1>title</h1>message</body>";
HtmlDocument doc = new HtmlDocument(html);
var q = new HtmlNavigator(doc)
.Where(n => n.TagName == "h1")
.Select(n => n);
Assert.AreEqual(1, q.Count());
Assert.AreEqual("title", q.First().Value);
}
public void TestTagName2()
{
string html = @"<body><h2>title1</h2>message<h2>title2</h2></body>";
HtmlDocument doc = new HtmlDocument(html);
var q = new HtmlNavigator(doc)
.Where(n => n.TagName == "h2")
.Select(n => n);
Assert.AreEqual(2, q.Count());
Assert.AreEqual("title1", q.First().Value);
Assert.AreEqual("title2", q.ToList()[1].Value);
}
public void QueryTest()
{
using var styleSheet = this.GetResourceStream("ComplexTemplate.html");
var html = new HtmlNavigator();
var xpath = html.ToNavigable(styleSheet).CreateNavigator().Clone();
var valueOf = xpath.Select("//value-of");
var valueAttr = xpath.Select("//value-attr");
var repeater = xpath.Select("//repeater");
var condition = xpath.Select("//condition");
var dataBinding = xpath.Select("//@data-binding");
}
public void TestTagName2()
{
string html = @"<body><h2>title1</h2>message<h2>title2</h2></body>";
HtmlDocument doc = new HtmlDocument(html);
var q = new HtmlNavigator(doc)
.Where(n => n.TagName == "h2")
.Select(n => n);
Assert.AreEqual(2, q.Count());
Assert.AreEqual("title1", q.First().Value);
Assert.AreEqual("title2", q.ToList()[1].Value);
}
public void TestInsert1()
{
string html = @"
<body>
<h2>title1</h2>
<div id='m1'></div>
<h2>title2</h2>
<div id='m2'></div>
</body>
";
HtmlDocument doc = new HtmlDocument(html);
var q = new HtmlNavigator(doc)
.Where(n => n % "id" == "m1")
.AppendChild(new HtmlNode("p", "new message"));
Assert.AreEqual("<body><h2>title1</h2><div id=\"m1\"><p>new message</p></div><h2>title2</h2><div id=\"m2\"/></body>", doc.Html );
}
public void TestInsert1()
{
string html = @"
<body>
<h2>title1</h2>
<div id='m1'></div>
<h2>title2</h2>
<div id='m2'></div>
</body>
";
HtmlDocument doc = new HtmlDocument(html);
var q = new HtmlNavigator(doc)
.Where(n => n % "id" == "m1")
.AppendChild(new HtmlNode("p", "new message"));
Assert.AreEqual("<body><h2>title1</h2><div id=\"m1\"><p>new message</p></div><h2>title2</h2><div id=\"m2\"/></body>", doc.Html);
}
public void TestTagName4()
{
string html = @"
<body>
<h2>title1</h2>
<span id='msg1'>message</span>
<h2>title2</h2>
<span id='msg2'>message2</span>
</body>
";
HtmlDocument doc = new HtmlDocument(html);
var q = new HtmlNavigator(doc)
.Where(n => n % "id" == "msg2")
.Select(n => n);
Assert.AreEqual(1, q.Count());
Assert.AreEqual("message2", q.First().Value);
}
public void TestRemove1()
{
string html = @"
<body>
<h2>title1</h2>
<span id='m1'>message</span>
<h2>title2</h2>
<span id='m2'>message2</span>
</body>
";
HtmlDocument doc = new HtmlDocument(html);
var q = new HtmlNavigator(doc)
.Where(n => n % "id" == "m2")
.Remove();
q = new HtmlNavigator(doc)
.Where(n => n.TagName == "span")
.Select(n => n);
Assert.AreEqual(1, q.Count());
Assert.AreEqual("message", q.Item().Value);
}
public void TestRemove1()
{
string html = @"
<body>
<h2>title1</h2>
<span id='m1'>message</span>
<h2>title2</h2>
<span id='m2'>message2</span>
</body>
";
HtmlDocument doc = new HtmlDocument(html);
var q = new HtmlNavigator(doc)
.Where(n => n % "id" == "m2")
.Remove();
q = new HtmlNavigator(doc)
.Where(n => n.TagName == "span")
.Select(n => n);
Assert.AreEqual(1, q.Count());
Assert.AreEqual("message", q.Item().Value);
}
public void TestTagName4()
{
string html = @"
<body>
<h2>title1</h2>
<span id='msg1'>message</span>
<h2>title2</h2>
<span id='msg2'>message2</span>
</body>
";
HtmlDocument doc = new HtmlDocument(html);
var q = new HtmlNavigator(doc)
.Where(n => n % "id" == "msg2")
.Select(n => n);
Assert.AreEqual(1, q.Count());
Assert.AreEqual("message2", q.First().Value);
}
