func TestAppendChildren(t *testing.T) {
node := h5.Anchor("", "")
child := h5.Text("foo ")
child2 := h5.Text("bar")
AppendChildren(child, child2)(node)
assertEqual(t, h5.NewTree(node).String(), "<a>foo bar</a>")
}
func TestReplaceChildren(t *testing.T) {
node := h5.Anchor("", "foo")
assertEqual(t, h5.NewTree(node).String(), "<a>foo</a>")
child := h5.Text("baz ")
child2 := h5.Text("quux")
ReplaceChildren(child, child2)(node)
assertEqual(t, h5.NewTree(node).String(), "<a>baz quux</a>")
}
func TestTransformApplyAll(t *testing.T) {
tree, _ := h5.NewFromString("<html><head></head><body><ul><li>foo</ul></body></html>")
tf := New(tree)
n := h5.Text("bar")
n2 := h5.Text("quux")
t1, _ := Trans(AppendChildren(n), "body li")
t2, _ := Trans(AppendChildren(n2), "body li")
tf.ApplyAll(t1, t2)
assertEqual(t, tf.String(), "<html><head></head><body><ul><li>foobarquux</li></ul></body></html>")
}
func TestDoAll(t *testing.T) {
tree, _ := h5.NewFromString("<div id=\"foo\">foo</div><")
node := tree.Top()
preNode := h5.Text("pre node")
postNode := h5.Text("post node")
f := DoAll(AppendChildren(postNode),
PrependChildren(preNode))
f(node)
assertEqual(t, h5.Data(node.FirstChild), h5.Data(preNode))
assertEqual(t, h5.Data(node.LastChild), h5.Data(postNode))
}
func TestReplace(t *testing.T) {
defer func() {
if err := recover(); err != nil {
t.Error("TestReplace paniced")
}
}()
node := h5.Div("", nil, h5.Div("", nil, h5.Text("foo")))
replacement := h5.Div("", nil, h5.Text("bar"))
Replace(replacement)(node.FirstChild)
assertEqual(t, h5.NewTree(node).String(),
"<div><div>bar</div></div>")
}
func TestReplaceSplice(t *testing.T) {
defer func() {
if err := recover(); err != nil {
t.Error("TestReplaceSplice paniced")
}
}()
node := h5.Div("foo", nil,
h5.Text("foo"),
h5.Element("span", nil, h5.Text("bar")),
)
node2 := h5.Element("span", nil, h5.Text("foo"))
Replace(node2)(node.FirstChild)
assertEqual(t, h5.NewTree(node).String(),
"<div id=\"foo\"><span>foo</span><span>bar</span></div>")
}
func TestCopyAnd(t *testing.T) {
defer func() {
if err := recover(); err != nil {
t.Errorf("TestCopyAnd paniced %s", err)
}
}()
node := h5.Div("", nil, h5.Div("", nil, h5.Text("foo")))
assertEqual(t, h5.NewTree(node).String(),
"<div><div>foo</div></div>")
CopyAnd(
AppendChildren(h5.Text("bar")),
ReplaceChildren(h5.Text("baz")),
)(node.FirstChild)
assertEqual(t, h5.NewTree(node).String(),
"<div><div>foobar</div><div>baz</div></div>")
}
func TestTransformApply(t *testing.T) {
tree, _ := h5.NewFromString("<html><body><div id=\"foo\"></div></body></html>")
tf := New(tree)
n := h5.Text("bar")
tf.Apply(AppendChildren(n), "body")
newDoc := tf.String()
assertEqual(t, newDoc, "<html><head></head><body><div id=\"foo\"></div>bar</body></html>")
}
func TestTransformSubtransforms(t *testing.T) {
defer func() {
if err := recover(); err != nil {
t.Errorf("TestTransformSubtransforms paniced %s", err)
}
}()
tree, _ := h5.NewFromString("<html><body><ul><li>foo</ul></body></html>")
f, _ := Subtransform(CopyAnd(
ReplaceChildren(h5.Text("bar")),
ReplaceChildren(h5.Text("baz"), h5.Text("quux")),
), "li")
tf := New(tree)
t1, _ := Trans(f, "ul")
tf.ApplyAll(t1)
assertEqual(t, tf.String(),
"<html><head></head><body><ul><li>bar</li><li>bazquux</li></ul></body></html>")
}
func TestTransformApplyMulti(t *testing.T) {
tree, _ := h5.NewFromString("<html><body><div id=\"foo\"></div></body></html>")
tf := New(tree)
tf.Apply(AppendChildren(h5.Text("")), "body")
tf.Apply(TransformAttrib("id", func(val string) string {
t.Logf("Rewriting Url")
return "bar"
}),
"div")
newDoc := tf.String()
assertEqual(t, newDoc, "<html><head></head><body><div id=\"bar\"></div></body></html>")
}
// TODO(jwall): benchmarking tests
func BenchmarkTransformApply(b *testing.B) {
for i := 0; i < b.N; i++ {
tree, _ := h5.NewFromString("<html><body><div id=\"foo\"></div></body></html")
tf := New(tree)
tf.Apply(AppendChildren(h5.Text("")), "body")
tf.Apply(TransformAttrib("id", func(val string) string {
return "bar"
}),
"div")
tf.Doc()
}
}