public void TestCreateFromOther()
{
var elm = new HElement("test", "content");
elm.Add(
new HAttribute("attr1", "val1"),
new HAttribute("attr3", "val3")
);
Assert.Equal(1, elm.Nodes().Count());
var newElm = new HElement(elm);
Assert.Equal(2, elm.Attributes().Count());
Assert.Equal(0, elm.Attributes("Attr2").Count());
Assert.Equal(1, elm.Nodes().Count());
}
public void TestPrependElementsByCallback()
{
var element1 = new HElement("div", new HElement("p"));
var element2 = new HElement("div", new HElement("p"), new HElement("div"), new HAttribute("attr1", "val1"));
var elements = new HElement[] { element1, null, element2 };
Assert.Same(elements, elements.Prepend((e, i) => {
return(new object[] {
new HAttribute("a" + i.ToString(), i.ToString()),
"Content"
});
}));
Assert.Equal(2, element1.Nodes().Count());
Assert.Equal("0", element1.Attr("a0"));
Assert.Equal(3, element2.Nodes().Count());
Assert.Equal("2", element2.Attr("a2"));
elements = null;
Assert.Null(elements.Prepend((e, i) => {
return(new object[] {
new HAttribute("a" + i.ToString(), i.ToString()),
"Content"
});
}));
}
public void TestCreateWithContent()
{
String name = "test";
var elm = new HElement(name, null);
Assert.Equal(0, elm.Nodes().Count());
elm = new HElement(name, "a");
Assert.Equal(1, elm.Nodes().Count());
}
public void TestDeserializeDocument()
{
var serializer = new HSerializer();
var hdoc = serializer.DeserializeDocument(new StringReader("<html><body><h1>Document</h1><p>Content & more &entity;.</p></body></html>"));
Assert.Same(Encoding.UTF8, hdoc.Encoding);
// Document with one root
Assert.Equal(1, hdoc.Nodes().Count());
Assert.Equal("html", hdoc.Root.Name);
// Root with one body
Assert.Equal(1, hdoc.Root.Nodes().Count());
HElement body = hdoc.Root.FirstNode as HElement;
Assert.NotNull(body);
Assert.Equal("body", body.Name);
// Body contains two elements
Assert.Equal(2, body.Nodes().Count());
var elms = body.Elements().ToArray();
Assert.Equal(2, elms.Length);
// First h1
Assert.Equal("h1", elms[0].Name);
Assert.Equal(1, elms[0].Nodes().Count());
Assert.IsType <HText>(elms[0].FirstNode);
Assert.Equal("Document", ((HText)elms[0].FirstNode).Value);
// Second p
Assert.Equal("p", elms[1].Name);
Assert.Equal(1, elms[1].Nodes().Count());
Assert.IsType <HText>(elms[1].FirstNode);
Assert.Equal("Content & more &entity;.", ((HText)elms[1].FirstNode).Value);
// Test from stream
using (var ms = new MemoryStream(Encoding.ASCII.GetBytes("<html><body><h1>Document</h1><p>Content & more &entity;.</p></body></html>")))
{
serializer.RemoveUnknownOrInvalidEntities = true;
hdoc = serializer.DeserializeDocument(new StreamReader(ms, Encoding.ASCII));
Assert.Same(Encoding.ASCII, hdoc.Encoding);
Assert.Equal(6, hdoc.DescendantNodes().Count());
Assert.Equal(0, hdoc.ParseErrors.Length);
HElement elm = hdoc.Root.Elements("body").First().Elements().Last();
Assert.Equal("p", elm.Name);
Assert.Equal(1, elm.Nodes().Count());
Assert.IsType <HText>(elm.FirstNode);
Assert.Equal("Content & more .", ((HText)elm.FirstNode).Value);
}
Assert.Throws <ArgumentNullException>(() => serializer.DeserializeDocument(null));
}
public void TestAppendElement()
{
var element = new HElement("div", new HElement("p"));
Assert.Same(element, element.Append(new HElement("span"), "test", null, new HAttribute("attr", "value")));
Assert.Equal(3, element.Nodes().Count());
Assert.Equal("value", element.Attr("attr"));
element = null;
Assert.Null(element.Append(new HElement("span"), "test", null, new HAttribute("attr", "value")));
}
public void TestPrependElement()
{
var element = new HElement("div", new HElement("p"));
Assert.Same(element, element.Prepend(new HElement("span"), "test", null, new HAttribute("attr", "value")));
Assert.Equal(3, element.Nodes().Count());
Assert.Equal("value", element.Attr("attr"));
Assert.Equal("<div attr=\"value\"><span></span>test<p></p></div>", element.ToString());
element = null;
Assert.Null(element.Prepend(new HElement("span"), "test", null, new HAttribute("attr", "value")));
}
public void TestRemove()
{
var node = new HText("node");
// Create parent
var elm = new HElement("test", node);
Assert.Same(node, elm.FirstNode);
Assert.Same(node, elm.LastNode);
Assert.Same(elm, node.Parent);
Assert.Equal(1, elm.Nodes().Count());
// Remove attribute
node.Remove();
Assert.Null(elm.FirstNode);
Assert.Null(elm.LastNode);
Assert.Null(node.Parent);
Assert.Equal(0, elm.Nodes().Count());
// Fail to remove a detached node
var ioe = Assert.Throws <InvalidOperationException>(() => node.Remove());
Assert.Equal("No parent found.", ioe.Message);
}
public void TestNodes()
{
HContainer container = new HElement("Test");
Assert.False(container.HasNodes);
HNode[] nodes = container.Nodes().ToArray();
Assert.Equal(0, nodes.Length);
container.Add("Content 1");
Assert.True(container.HasNodes);
container.Add(new HElement("test"));
container.Add("Content 2");
container.Add(new HElement("element"));
container.Add("Content 3");
nodes = container.Nodes().ToArray();
Assert.Equal(5, nodes.Length);
Assert.IsType <HText>(nodes[0]);
Assert.IsType <HElement>(nodes[1]);
Assert.IsType <HText>(nodes[2]);
Assert.IsType <HElement>(nodes[3]);
Assert.IsType <HText>(nodes[4]);
}
public void TestClone()
{
var container = new HElement("parent");
container.Add(new HElement("child1"));
container.Add(new HElement("child2", "Content"));
container.Add(new HElement("child3", new HText("Content 1"), new HText("Content 2")));
// Adding this container itself to a clone
container.Add(container);
var nodes = container.Nodes().ToArray();
Assert.Equal(4, nodes.Length);
}
public void TestPrependElements()
{
var element1 = new HElement("div", new HElement("p"));
var element2 = new HElement("div", new HElement("p"), new HElement("div"), new HAttribute("attr1", "val1"));
var elements = new HElement[] { element1, null, element2 };
Assert.Same(elements, elements.Prepend(new HElement("span"), "test", null, new HAttribute("attr", "value")));
Assert.Equal(3, element1.Nodes().Count());
Assert.Equal("value", element1.Attr("attr"));
Assert.Equal(4, element2.Nodes().Count());
Assert.Equal("value", element2.Attr("attr"));
elements = null;
Assert.Null(elements.Prepend(new HElement("span"), "test", null, new HAttribute("attr", "value")));
}
public void TestAddString()
{
HContainer container = new HElement("test");
container.Add("String 1");
container.Add(" - String 2");
Assert.IsType <HText>(container.FirstNode);
Assert.Equal("String 1 - String 2", ((HText)container.FirstNode).Value);
container.Add(" - String 3");
Assert.IsType <HText>(container.FirstNode);
Assert.Equal("String 1 - String 2 - String 3", ((HText)container.FirstNode).Value);
container = new HElement("test");
container.Add("Content");
container.Add(new HText("Other content"));
Assert.Equal(2, container.Nodes().Count());
}
public void TestDeserializeDocument_WithErrors()
{
var serializer = new HSerializer();
var hdoc = serializer.DeserializeDocument(new StringReader("<html><body><h1>Document</h1><p class=>Content & more.</p></body></html>"));
Assert.Same(Encoding.UTF8, hdoc.Encoding);
// Document with one root
Assert.Equal(1, hdoc.Nodes().Count());
Assert.Equal("html", hdoc.Root.Name);
// Root with one body
Assert.Equal(1, hdoc.Root.Nodes().Count());
HElement body = hdoc.Root.FirstNode as HElement;
Assert.NotNull(body);
Assert.Equal("body", body.Name);
// Body contains two elements
Assert.Equal(2, body.Nodes().Count());
var elms = body.Elements().ToArray();
Assert.Equal(2, elms.Length);
// First h1
Assert.Equal("h1", elms[0].Name);
Assert.Equal(1, elms[0].Nodes().Count());
Assert.IsType <HText>(elms[0].FirstNode);
Assert.Equal("Document", ((HText)elms[0].FirstNode).Value);
// Second p
Assert.Equal("p", elms[1].Name);
Assert.Equal(1, elms[1].Nodes().Count());
Assert.IsType <HText>(elms[1].FirstNode);
Assert.Equal("Content & more.", ((HText)elms[1].FirstNode).Value);
// Check errors
Assert.Equal(1, hdoc.ParseErrors.Length);
Assert.Equal("Attribute value expected.", hdoc.ParseErrors[0].Message);
}
public void TestRemoveNode()
{
HNode node1 = new HText("node 1");
HNode node2 = new HElement("node2", "value2");
HNode node3 = new HText("node 3");
HNode node4 = new HElement("node4", "value4");
// Create parent
var elm = new HElement("test", node1, node2, node3, node4);
Assert.Same(node1, elm.FirstNode);
Assert.Same(node4, elm.LastNode);
Assert.Same(elm, node1.Parent);
Assert.Null(node1.PreviousNode);
Assert.Same(node2, node1.NextNode);
Assert.Same(elm, node2.Parent);
Assert.Same(node1, node2.PreviousNode);
Assert.Same(node3, node2.NextNode);
Assert.Same(elm, node3.Parent);
Assert.Same(node2, node3.PreviousNode);
Assert.Same(node4, node3.NextNode);
Assert.Same(elm, node4.Parent);
Assert.Same(node3, node4.PreviousNode);
Assert.Null(node4.NextNode);
// Remove node2
node2.Remove();
Assert.Same(node1, elm.FirstNode);
Assert.Same(node4, elm.LastNode);
Assert.Same(elm, node1.Parent);
Assert.Null(node1.PreviousNode);
Assert.Same(node3, node1.NextNode);
Assert.Null(node2.Parent);
Assert.Null(node2.PreviousNode);
Assert.Null(node2.NextNode);
Assert.Same(elm, node3.Parent);
Assert.Same(node1, node3.PreviousNode);
Assert.Same(node4, node3.NextNode);
Assert.Same(elm, node4.Parent);
Assert.Same(node3, node4.PreviousNode);
Assert.Null(node4.NextNode);
var attrs = elm.Nodes().ToArray();
Assert.Equal(new HNode[] { node1, node3, node4 }, attrs);
// Remove node4
node4.Remove();
Assert.Same(node1, elm.FirstNode);
Assert.Same(node3, elm.LastNode);
Assert.Same(elm, node1.Parent);
Assert.Null(node1.PreviousNode);
Assert.Same(node3, node1.NextNode);
Assert.Same(elm, node3.Parent);
Assert.Same(node1, node3.PreviousNode);
Assert.Null(node3.NextNode);
Assert.Null(node4.Parent);
Assert.Null(node4.PreviousNode);
Assert.Null(node4.NextNode);
attrs = elm.Nodes().ToArray();
Assert.Equal(new HNode[] { node1, node3 }, attrs);
// Remove node1
node1.Remove();
Assert.Same(node3, elm.FirstNode);
Assert.Same(node3, elm.LastNode);
Assert.Null(node1.Parent);
Assert.Null(node1.PreviousNode);
Assert.Null(node1.NextNode);
Assert.Same(elm, node3.Parent);
Assert.Null(node3.PreviousNode);
Assert.Null(node3.NextNode);
attrs = elm.Nodes().ToArray();
Assert.Equal(new HNode[] { node3 }, attrs);
// Remove node3
node3.Remove();
Assert.Null(elm.FirstNode);
Assert.Null(elm.LastNode);
Assert.Null(node3.Parent);
Assert.Null(node3.PreviousNode);
Assert.Null(node3.NextNode);
attrs = elm.Nodes().ToArray();
Assert.Equal(new HNode[] { }, attrs);
// Fail to remove a detached attribute
var ioe = Assert.Throws <InvalidOperationException>(() => node1.Remove());
Assert.Equal("No parent found.", ioe.Message);
}
public void TestRemoveNodes()
{
HNode node1 = new HText("node 1");
HNode node2 = new HElement("node2", "value2");
HNode node3 = new HText("node 3");
HNode node4 = new HElement("node4", "value4");
// Create parent
var elm = new HElement("test", node1, node2, node3, node4);
Assert.Same(node1, elm.FirstNode);
Assert.Same(node4, elm.LastNode);
Assert.Same(elm, node1.Parent);
Assert.Null(node1.PreviousNode);
Assert.Same(node2, node1.NextNode);
Assert.Same(elm, node2.Parent);
Assert.Same(node1, node2.PreviousNode);
Assert.Same(node3, node2.NextNode);
Assert.Same(elm, node3.Parent);
Assert.Same(node2, node3.PreviousNode);
Assert.Same(node4, node3.NextNode);
Assert.Same(elm, node4.Parent);
Assert.Same(node3, node4.PreviousNode);
Assert.Null(node4.NextNode);
// Remove all nodes
elm.RemoveNodes();
Assert.Null(elm.FirstNode);
Assert.Null(elm.LastNode);
Assert.Null(node1.Parent);
Assert.Null(node1.PreviousNode);
Assert.Null(node1.NextNode);
Assert.Null(node2.Parent);
Assert.Null(node2.PreviousNode);
Assert.Null(node2.NextNode);
Assert.Null(node3.Parent);
Assert.Null(node3.PreviousNode);
Assert.Null(node3.NextNode);
Assert.Null(node4.Parent);
Assert.Null(node4.PreviousNode);
Assert.Null(node4.NextNode);
Assert.Equal(0, elm.Nodes().Count());
// Create new element with string content
elm = new HElement("test", "content");
elm.RemoveNodes();
Assert.Null(elm.FirstNode);
Assert.Null(elm.LastNode);
Assert.Equal(0, elm.Nodes().Count());
// Check no exception
elm.RemoveNodes();
Assert.Equal(0, elm.Nodes().Count());
}