public void FixRelativeUrl()
{
var absoluteUrl =
UriUtilities.CanonicalizeUrl("?aa", "http://www.dianping.com/sh/ss/com");
Assert.Equal("http://www.dianping.com/sh/ss/com?aa", absoluteUrl);
absoluteUrl =
UriUtilities.CanonicalizeUrl("../aa", "http://www.dianping.com/sh/ss/com");
Assert.Equal("http://www.dianping.com/sh/aa", absoluteUrl);
absoluteUrl = UriUtilities.CanonicalizeUrl("..aa", "http://www.dianping.com/sh/ss/com");
Assert.Equal("http://www.dianping.com/sh/ss/..aa", absoluteUrl);
absoluteUrl =
UriUtilities.CanonicalizeUrl("../../aa", "http://www.dianping.com/sh/ss/com/");
Assert.Equal("http://www.dianping.com/sh/aa", absoluteUrl);
absoluteUrl =
UriUtilities.CanonicalizeUrl("../../aa", "http://www.dianping.com/sh/ss/com");
Assert.Equal("http://www.dianping.com/aa", absoluteUrl);
// 只有相对路径需要做补充
var selectable1 = new HtmlSelectable("<div><a href=\"/a/b\">aaaaaaab</a></div>", "http://www.b.com");
var value1 = selectable1.Links().First();
Assert.Equal("http://www.b.com/a/b", value1.AbsoluteUri);
// 绝对路径不需要做补充
var selectable2 = new HtmlSelectable("<div><a href=\"http://www.aaaa.com\">aaaaaaab</a></div>",
"http://www.b.com", false);
var value2 = selectable2.SelectList(Selectors.XPath(".//a")).First().Value;
Assert.Equal("aaaaaaab", value2);
}