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manipulation_test.go
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manipulation_test.go
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package goquery
import (
"log"
"testing"
)
const (
wrapHtml = "<div id=\"ins\">test string<div><p><em><b></b></em></p></div></div>"
)
func TestAfter(t *testing.T) {
doc := Doc2Clone()
doc.Find("#main").After("#nf6")
assertLength(t, doc.Find("#main #nf6").Nodes, 0)
assertLength(t, doc.Find("#foot #nf6").Nodes, 0)
assertLength(t, doc.Find("#main + #nf6").Nodes, 1)
printSel(t, doc.Selection)
}
func TestAfterMany(t *testing.T) {
doc := Doc2Clone()
doc.Find(".one").After("#nf6")
assertLength(t, doc.Find("#foot #nf6").Nodes, 1)
assertLength(t, doc.Find("#main #nf6").Nodes, 1)
assertLength(t, doc.Find(".one + #nf6").Nodes, 2)
printSel(t, doc.Selection)
}
func TestAfterWithRemoved(t *testing.T) {
doc := Doc2Clone()
s := doc.Find("#main").Remove()
s.After("#nf6")
assertLength(t, s.Find("#nf6").Nodes, 0)
assertLength(t, doc.Find("#nf6").Nodes, 0)
printSel(t, doc.Selection)
}
func TestAfterSelection(t *testing.T) {
doc := Doc2Clone()
doc.Find("#main").AfterSelection(doc.Find("#nf1, #nf2"))
assertLength(t, doc.Find("#main #nf1, #main #nf2").Nodes, 0)
assertLength(t, doc.Find("#foot #nf1, #foot #nf2").Nodes, 0)
assertLength(t, doc.Find("#main + #nf1, #nf1 + #nf2").Nodes, 2)
printSel(t, doc.Selection)
}
func TestAfterHtml(t *testing.T) {
doc := Doc2Clone()
doc.Find("#main").AfterHtml("<strong>new node</strong>")
assertLength(t, doc.Find("#main + strong").Nodes, 1)
printSel(t, doc.Selection)
}
func TestAfterHtmlContext(t *testing.T) {
doc := loadString(t, `
<html>
<body>
<table>
<tr>
<td>Before1</td>
</tr>
<tr>
<td>Before2</td>
</tr>
</table>
</body>
</html>`)
doc.Find("table tr td").AfterHtml("<td class='c1'>Test</td><td class='c2'>Again</td>")
assertLength(t, doc.Find("table tr td").Nodes, 6)
assertClass(t, doc.Find("table tr td").Last(), "c2")
printSel(t, doc.Selection)
}
func TestAppend(t *testing.T) {
doc := Doc2Clone()
doc.Find("#main").Append("#nf6")
assertLength(t, doc.Find("#foot #nf6").Nodes, 0)
assertLength(t, doc.Find("#main #nf6").Nodes, 1)
printSel(t, doc.Selection)
}
func TestAppendBody(t *testing.T) {
doc := Doc2Clone()
doc.Find("body").Append("#nf6")
assertLength(t, doc.Find("#foot #nf6").Nodes, 0)
assertLength(t, doc.Find("#main #nf6").Nodes, 0)
assertLength(t, doc.Find("body > #nf6").Nodes, 1)
printSel(t, doc.Selection)
}
func TestAppendSelection(t *testing.T) {
doc := Doc2Clone()
doc.Find("#main").AppendSelection(doc.Find("#nf1, #nf2"))
assertLength(t, doc.Find("#foot #nf1").Nodes, 0)
assertLength(t, doc.Find("#foot #nf2").Nodes, 0)
assertLength(t, doc.Find("#main #nf1").Nodes, 1)
assertLength(t, doc.Find("#main #nf2").Nodes, 1)
printSel(t, doc.Selection)
}
func TestAppendSelectionExisting(t *testing.T) {
doc := Doc2Clone()
doc.Find("#main").AppendSelection(doc.Find("#n1, #n2"))
assertClass(t, doc.Find("#main :nth-child(1)"), "three")
assertClass(t, doc.Find("#main :nth-child(5)"), "one")
assertClass(t, doc.Find("#main :nth-child(6)"), "two")
printSel(t, doc.Selection)
}
func TestAppendClone(t *testing.T) {
doc := Doc2Clone()
doc.Find("#n1").AppendSelection(doc.Find("#nf1").Clone())
assertLength(t, doc.Find("#foot #nf1").Nodes, 1)
assertLength(t, doc.Find("#main #nf1").Nodes, 1)
printSel(t, doc.Selection)
}
func TestAppendHtml(t *testing.T) {
doc := Doc2Clone()
doc.Find("div").AppendHtml("<strong>new node</strong>")
assertLength(t, doc.Find("strong").Nodes, 14)
printSel(t, doc.Selection)
}
func TestAppendHtmlContext(t *testing.T) {
doc := loadString(t, `
<html>
<body>
<table>
<tr>
<td>Before1</td>
</tr>
<tr>
<td>Before2</td>
</tr>
</table>
</body>
</html>`)
doc.Find("table tr").AppendHtml("<td class='c1'>new1</td><td class='c2'>new2</td>")
assertLength(t, doc.Find("table td").Nodes, 6)
assertClass(t, doc.Find("table td").Last(), "c2")
printSel(t, doc.Selection)
}
func TestBefore(t *testing.T) {
doc := Doc2Clone()
doc.Find("#main").Before("#nf6")
assertLength(t, doc.Find("#main #nf6").Nodes, 0)
assertLength(t, doc.Find("#foot #nf6").Nodes, 0)
assertLength(t, doc.Find("body > #nf6:first-child").Nodes, 1)
printSel(t, doc.Selection)
}
func TestBeforeWithRemoved(t *testing.T) {
doc := Doc2Clone()
s := doc.Find("#main").Remove()
s.Before("#nf6")
assertLength(t, s.Find("#nf6").Nodes, 0)
assertLength(t, doc.Find("#nf6").Nodes, 0)
printSel(t, doc.Selection)
}
func TestBeforeSelection(t *testing.T) {
doc := Doc2Clone()
doc.Find("#main").BeforeSelection(doc.Find("#nf1, #nf2"))
assertLength(t, doc.Find("#main #nf1, #main #nf2").Nodes, 0)
assertLength(t, doc.Find("#foot #nf1, #foot #nf2").Nodes, 0)
assertLength(t, doc.Find("body > #nf1:first-child, #nf1 + #nf2").Nodes, 2)
printSel(t, doc.Selection)
}
func TestBeforeHtml(t *testing.T) {
doc := Doc2Clone()
doc.Find("#main").BeforeHtml("<strong>new node</strong>")
assertLength(t, doc.Find("body > strong:first-child").Nodes, 1)
printSel(t, doc.Selection)
}
func TestBeforeHtmlContext(t *testing.T) {
doc := loadString(t, `
<html>
<body>
<table>
<tr>
<td>Before1</td>
</tr>
<tr>
<td>Before2</td>
</tr>
</table>
</body>
</html>`)
doc.Find("table tr td:first-child").BeforeHtml("<td class='c1'>new1</td><td class='c2'>new2</td>")
assertLength(t, doc.Find("table td").Nodes, 6)
assertClass(t, doc.Find("table td").First(), "c1")
printSel(t, doc.Selection)
}
func TestEmpty(t *testing.T) {
doc := Doc2Clone()
s := doc.Find("#main").Empty()
assertLength(t, doc.Find("#main").Children().Nodes, 0)
assertLength(t, s.Filter("div").Nodes, 6)
printSel(t, doc.Selection)
}
func TestPrepend(t *testing.T) {
doc := Doc2Clone()
doc.Find("#main").Prepend("#nf6")
assertLength(t, doc.Find("#foot #nf6").Nodes, 0)
assertLength(t, doc.Find("#main #nf6:first-child").Nodes, 1)
printSel(t, doc.Selection)
}
func TestPrependBody(t *testing.T) {
doc := Doc2Clone()
doc.Find("body").Prepend("#nf6")
assertLength(t, doc.Find("#foot #nf6").Nodes, 0)
assertLength(t, doc.Find("#main #nf6").Nodes, 0)
assertLength(t, doc.Find("body > #nf6:first-child").Nodes, 1)
printSel(t, doc.Selection)
}
func TestPrependSelection(t *testing.T) {
doc := Doc2Clone()
doc.Find("#main").PrependSelection(doc.Find("#nf1, #nf2"))
assertLength(t, doc.Find("#foot #nf1").Nodes, 0)
assertLength(t, doc.Find("#foot #nf2").Nodes, 0)
assertLength(t, doc.Find("#main #nf1:first-child").Nodes, 1)
assertLength(t, doc.Find("#main #nf2:nth-child(2)").Nodes, 1)
printSel(t, doc.Selection)
}
func TestPrependSelectionExisting(t *testing.T) {
doc := Doc2Clone()
doc.Find("#main").PrependSelection(doc.Find("#n5, #n6"))
assertClass(t, doc.Find("#main :nth-child(1)"), "five")
assertClass(t, doc.Find("#main :nth-child(2)"), "six")
assertClass(t, doc.Find("#main :nth-child(5)"), "three")
assertClass(t, doc.Find("#main :nth-child(6)"), "four")
printSel(t, doc.Selection)
}
func TestPrependClone(t *testing.T) {
doc := Doc2Clone()
doc.Find("#n1").PrependSelection(doc.Find("#nf1").Clone())
assertLength(t, doc.Find("#foot #nf1:first-child").Nodes, 1)
assertLength(t, doc.Find("#main #nf1:first-child").Nodes, 1)
printSel(t, doc.Selection)
}
func TestPrependHtml(t *testing.T) {
doc := Doc2Clone()
doc.Find("div").PrependHtml("<strong>new node</strong>")
assertLength(t, doc.Find("strong:first-child").Nodes, 14)
printSel(t, doc.Selection)
}
func TestPrependHtmlContext(t *testing.T) {
doc := loadString(t, `
<html>
<body>
<table>
<tr>
<td>Before1</td>
</tr>
<tr>
<td>Before2</td>
</tr>
</table>
</body>
</html>`)
doc.Find("table tr").PrependHtml("<td class='c1'>new node</td><td class='c2'>other new node</td>")
assertLength(t, doc.Find("table td").Nodes, 6)
assertClass(t, doc.Find("table tr td").First(), "c1")
printSel(t, doc.Selection)
}
func TestRemove(t *testing.T) {
doc := Doc2Clone()
doc.Find("#nf1").Remove()
assertLength(t, doc.Find("#foot #nf1").Nodes, 0)
printSel(t, doc.Selection)
}
func TestRemoveAll(t *testing.T) {
doc := Doc2Clone()
doc.Find("*").Remove()
assertLength(t, doc.Find("*").Nodes, 0)
printSel(t, doc.Selection)
}
func TestRemoveRoot(t *testing.T) {
doc := Doc2Clone()
doc.Find("html").Remove()
assertLength(t, doc.Find("html").Nodes, 0)
printSel(t, doc.Selection)
}
func TestRemoveFiltered(t *testing.T) {
doc := Doc2Clone()
nf6 := doc.Find("#nf6")
s := doc.Find("div").RemoveFiltered("#nf6")
assertLength(t, doc.Find("#nf6").Nodes, 0)
assertLength(t, s.Nodes, 1)
if nf6.Nodes[0] != s.Nodes[0] {
t.Error("Removed node does not match original")
}
printSel(t, doc.Selection)
}
func TestReplaceWith(t *testing.T) {
doc := Doc2Clone()
doc.Find("#nf6").ReplaceWith("#main")
assertLength(t, doc.Find("#foot #main:last-child").Nodes, 1)
printSel(t, doc.Selection)
doc.Find("#foot").ReplaceWith("#main")
assertLength(t, doc.Find("#foot").Nodes, 0)
assertLength(t, doc.Find("#main").Nodes, 1)
printSel(t, doc.Selection)
}
func TestReplaceWithHtml(t *testing.T) {
doc := Doc2Clone()
doc.Find("#main, #foot").ReplaceWithHtml("<div id=\"replace\"></div>")
assertLength(t, doc.Find("#replace").Nodes, 2)
printSel(t, doc.Selection)
}
func TestReplaceWithHtmlContext(t *testing.T) {
doc := loadString(t, `
<html>
<body>
<table>
<tr>
<th>Before1</th>
</tr>
<tr>
<th>Before2</th>
</tr>
</table>
</body>
</html>`)
doc.Find("table th").ReplaceWithHtml("<td class='c1'>Test</td><td class='c2'>Replace</td>")
assertLength(t, doc.Find("table th").Nodes, 0)
assertLength(t, doc.Find("table tr td").Nodes, 4)
assertClass(t, doc.Find("table tr td").First(), "c1")
printSel(t, doc.Selection)
}
func TestSetHtml(t *testing.T) {
doc := Doc2Clone()
q := doc.Find("#main, #foot")
q.SetHtml(`<div id="replace">test</div>`)
assertLength(t, doc.Find("#replace").Nodes, 2)
assertLength(t, doc.Find("#main, #foot").Nodes, 2)
if q.Text() != "testtest" {
t.Errorf("Expected text to be %v, found %v", "testtest", q.Text())
}
printSel(t, doc.Selection)
}
func TestSetHtmlNoMatch(t *testing.T) {
doc := Doc2Clone()
q := doc.Find("#notthere")
q.SetHtml(`<div id="replace">test</div>`)
assertLength(t, doc.Find("#replace").Nodes, 0)
printSel(t, doc.Selection)
}
func TestSetHtmlEmpty(t *testing.T) {
doc := Doc2Clone()
q := doc.Find("#main")
q.SetHtml(``)
assertLength(t, doc.Find("#main").Nodes, 1)
assertLength(t, doc.Find("#main").Children().Nodes, 0)
printSel(t, doc.Selection)
}
func TestSetHtmlContext(t *testing.T) {
doc := loadString(t, `
<html>
<body>
<table>
<tr>
<th>Before1</th>
</tr>
<tr>
<th>Before2</th>
</tr>
</table>
</body>
</html>`)
doc.Find("table tr").SetHtml("<td class='c1'>Test</td><td class='c2'>Again</td>")
assertLength(t, doc.Find("table th").Nodes, 0)
assertLength(t, doc.Find("table td").Nodes, 4)
assertLength(t, doc.Find("table tr").Nodes, 2)
printSel(t, doc.Selection)
}
func TestSetText(t *testing.T) {
doc := Doc2Clone()
q := doc.Find("#main, #foot")
repl := "<div id=\"replace\">test</div>"
q.SetText(repl)
assertLength(t, doc.Find("#replace").Nodes, 0)
assertLength(t, doc.Find("#main, #foot").Nodes, 2)
if q.Text() != (repl + repl) {
t.Errorf("Expected text to be %v, found %v", (repl + repl), q.Text())
}
h, err := q.Html()
if err != nil {
t.Errorf("Error: %v", err)
}
esc := "<div id="replace">test</div>"
if h != esc {
t.Errorf("Expected html to be %v, found %v", esc, h)
}
printSel(t, doc.Selection)
}
func TestReplaceWithSelection(t *testing.T) {
doc := Doc2Clone()
sel := doc.Find("#nf6").ReplaceWithSelection(doc.Find("#nf5"))
assertSelectionIs(t, sel, "#nf6")
assertLength(t, doc.Find("#nf6").Nodes, 0)
assertLength(t, doc.Find("#nf5").Nodes, 1)
printSel(t, doc.Selection)
}
func TestUnwrap(t *testing.T) {
doc := Doc2Clone()
doc.Find("#nf5").Unwrap()
assertLength(t, doc.Find("#foot").Nodes, 0)
assertLength(t, doc.Find("body > #nf1").Nodes, 1)
assertLength(t, doc.Find("body > #nf5").Nodes, 1)
printSel(t, doc.Selection)
doc = Doc2Clone()
doc.Find("#nf5, #n1").Unwrap()
assertLength(t, doc.Find("#foot").Nodes, 0)
assertLength(t, doc.Find("#main").Nodes, 0)
assertLength(t, doc.Find("body > #n1").Nodes, 1)
assertLength(t, doc.Find("body > #nf5").Nodes, 1)
printSel(t, doc.Selection)
}
func TestUnwrapBody(t *testing.T) {
doc := Doc2Clone()
doc.Find("#main").Unwrap()
assertLength(t, doc.Find("body").Nodes, 1)
assertLength(t, doc.Find("body > #main").Nodes, 1)
printSel(t, doc.Selection)
}
func TestUnwrapHead(t *testing.T) {
doc := Doc2Clone()
doc.Find("title").Unwrap()
assertLength(t, doc.Find("head").Nodes, 0)
assertLength(t, doc.Find("head > title").Nodes, 0)
assertLength(t, doc.Find("title").Nodes, 1)
printSel(t, doc.Selection)
}
func TestUnwrapHtml(t *testing.T) {
doc := Doc2Clone()
doc.Find("head").Unwrap()
assertLength(t, doc.Find("html").Nodes, 0)
assertLength(t, doc.Find("html head").Nodes, 0)
assertLength(t, doc.Find("head").Nodes, 1)
printSel(t, doc.Selection)
}
func TestWrap(t *testing.T) {
doc := Doc2Clone()
doc.Find("#nf1").Wrap("#nf2")
nf1 := doc.Find("#foot #nf2 #nf1")
assertLength(t, nf1.Nodes, 1)
nf2 := doc.Find("#nf2")
assertLength(t, nf2.Nodes, 2)
printSel(t, doc.Selection)
}
func TestWrapEmpty(t *testing.T) {
doc := Doc2Clone()
doc.Find("#nf1").Wrap("#doesnt-exist")
origHtml, _ := Doc2().Html()
newHtml, _ := doc.Html()
if origHtml != newHtml {
t.Error("Expected the two documents to be identical.")
}
printSel(t, doc.Selection)
}
func TestWrapHtml(t *testing.T) {
doc := Doc2Clone()
doc.Find(".odd").WrapHtml(wrapHtml)
nf2 := doc.Find("#ins #nf2")
assertLength(t, nf2.Nodes, 1)
printSel(t, doc.Selection)
}
func TestWrapSelection(t *testing.T) {
doc := Doc2Clone()
doc.Find("#nf1").WrapSelection(doc.Find("#nf2"))
nf1 := doc.Find("#foot #nf2 #nf1")
assertLength(t, nf1.Nodes, 1)
nf2 := doc.Find("#nf2")
assertLength(t, nf2.Nodes, 2)
printSel(t, doc.Selection)
}
func TestWrapAll(t *testing.T) {
doc := Doc2Clone()
doc.Find(".odd").WrapAll("#nf1")
nf1 := doc.Find("#main #nf1")
assertLength(t, nf1.Nodes, 1)
sel := nf1.Find("#n2 ~ #n4 ~ #n6 ~ #nf2 ~ #nf4 ~ #nf6")
assertLength(t, sel.Nodes, 1)
printSel(t, doc.Selection)
}
func TestWrapAllHtml(t *testing.T) {
doc := Doc2Clone()
doc.Find(".odd").WrapAllHtml(wrapHtml)
nf1 := doc.Find("#main div#ins div p em b #n2 ~ #n4 ~ #n6 ~ #nf2 ~ #nf4 ~ #nf6")
assertLength(t, nf1.Nodes, 1)
printSel(t, doc.Selection)
}
func TestWrapInnerNoContent(t *testing.T) {
doc := Doc2Clone()
doc.Find(".one").WrapInner(".two")
twos := doc.Find(".two")
assertLength(t, twos.Nodes, 4)
assertLength(t, doc.Find(".one .two").Nodes, 2)
printSel(t, doc.Selection)
}
func TestWrapInnerWithContent(t *testing.T) {
doc := Doc3Clone()
doc.Find(".one").WrapInner(".two")
twos := doc.Find(".two")
assertLength(t, twos.Nodes, 4)
assertLength(t, doc.Find(".one .two").Nodes, 2)
printSel(t, doc.Selection)
}
func TestWrapInnerNoWrapper(t *testing.T) {
doc := Doc2Clone()
doc.Find(".one").WrapInner(".not-exist")
twos := doc.Find(".two")
assertLength(t, twos.Nodes, 2)
assertLength(t, doc.Find(".one").Nodes, 2)
assertLength(t, doc.Find(".one .two").Nodes, 0)
printSel(t, doc.Selection)
}
func TestWrapInnerHtml(t *testing.T) {
doc := Doc2Clone()
doc.Find("#foot").WrapInnerHtml(wrapHtml)
foot := doc.Find("#foot div#ins div p em b #nf1 ~ #nf2 ~ #nf3")
assertLength(t, foot.Nodes, 1)
printSel(t, doc.Selection)
}
func TestParsingRespectsVaryingContext(t *testing.T) {
docA := loadString(t, `
<html>
<body>
<a class="x"></a>
</body>
</html>`)
docTable := loadString(t, `
<html>
<body>
<table class="x"></table>
</body>
</html>`)
docBoth := loadString(t, `
<html>
<body>
<table class="x"></table>
<a class="x"></a>
</body>
</html>`)
sA := docA.Find(".x").AppendHtml("<tr><td>Hello</td></tr>")
sTable := docTable.Find(".x").AppendHtml("<tr><td>Hello</td></tr>")
sBoth := docBoth.Find(".x").AppendHtml("<tr><td>Hello</td></tr>")
printSel(t, docA.Selection)
printSel(t, docTable.Selection)
printSel(t, docBoth.Selection)
oA, _ := sA.Html()
oTable, _ := sTable.Html()
if oA == oTable {
t.Errorf("Expected inner html of <a> and <table> to not be equal, but got %s and %s", oA, oTable)
}
oBothTable, _ := sBoth.First().Html()
if oBothTable != oTable {
t.Errorf("Expected inner html of <table> and <table> in doc containing both tags to be equal, but got %s and %s",
oTable,
oBothTable)
}
oBothA, _ := sBoth.Last().Html()
if oBothA != oA {
t.Errorf("Expected inner html of <a> and <a> in doc containing both tags to be equal, but got %s and %s",
oA,
oBothA)
}
}
func TestHtmlWithNonElementNode(t *testing.T) {
const data = `
<html>
<head>
</head>
<body>
<p>
This is <span>some</span><b>text</b>.
</p>
</body>
</html>
`
cases := map[string]func(*Selection, string) *Selection{
"AfterHtml": (*Selection).AfterHtml,
"AppendHtml": (*Selection).AppendHtml,
"BeforeHtml": (*Selection).BeforeHtml,
"PrependHtml": (*Selection).PrependHtml,
"ReplaceWithHtml": (*Selection).ReplaceWithHtml,
"SetHtml": (*Selection).SetHtml,
}
for nm, fn := range cases {
// this test is only to make sure that the HTML parsing/manipulation
// methods do not raise panics when executed over Selections that contain
// non-Element nodes.
t.Run(nm, func(t *testing.T) {
doc := loadString(t, data)
sel := doc.Find("p").Contents()
func() {
defer func() {
if err := recover(); err != nil {
t.Fatal(err)
}
}()
fn(sel, "<div></div>")
}()
// print the resulting document in verbose mode
h, err := OuterHtml(doc.Selection)
if err != nil {
log.Fatal(err)
}
t.Log(h)
})
}
}