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type_test.go
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type_test.go
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package goquery
import (
"bytes"
"fmt"
"os"
"testing"
"golang.org/x/net/html"
)
// Test helper functions and members
var doc *Document
var doc2 *Document
var doc3 *Document
var docB *Document
var docW *Document
func Doc() *Document {
if doc == nil {
doc = loadDoc("page.html")
}
return doc
}
func DocClone() *Document {
return CloneDocument(Doc())
}
func Doc2() *Document {
if doc2 == nil {
doc2 = loadDoc("page2.html")
}
return doc2
}
func Doc2Clone() *Document {
return CloneDocument(Doc2())
}
func Doc3() *Document {
if doc3 == nil {
doc3 = loadDoc("page3.html")
}
return doc3
}
func Doc3Clone() *Document {
return CloneDocument(Doc3())
}
func DocB() *Document {
if docB == nil {
docB = loadDoc("gotesting.html")
}
return docB
}
func DocBClone() *Document {
return CloneDocument(DocB())
}
func DocW() *Document {
if docW == nil {
docW = loadDoc("gowiki.html")
}
return docW
}
func DocWClone() *Document {
return CloneDocument(DocW())
}
func assertLength(t *testing.T, nodes []*html.Node, length int) {
if len(nodes) != length {
t.Errorf("Expected %d nodes, found %d.", length, len(nodes))
for i, n := range nodes {
t.Logf("Node %d: %+v.", i, n)
}
}
}
func assertClass(t *testing.T, sel *Selection, class string) {
if !sel.HasClass(class) {
t.Errorf("Expected node to have class %s, found %+v.", class, sel.Get(0))
}
}
func assertPanic(t *testing.T) {
if e := recover(); e == nil {
t.Error("Expected a panic.")
}
}
func assertEqual(t *testing.T, s1 *Selection, s2 *Selection) {
if s1 != s2 {
t.Error("Expected selection objects to be the same.")
}
}
func assertSelectionIs(t *testing.T, sel *Selection, is ...string) {
for i := 0; i < sel.Length(); i++ {
if !sel.Eq(i).Is(is[i]) {
t.Errorf("Expected node %d to be %s, found %+v", i, is[i], sel.Get(i))
}
}
}
func printSel(t *testing.T, sel *Selection) {
if testing.Verbose() {
h, err := sel.Html()
if err != nil {
t.Fatal(err)
}
t.Log(h)
}
}
func loadDoc(page string) *Document {
var f *os.File
var e error
if f, e = os.Open(fmt.Sprintf("./testdata/%s", page)); e != nil {
panic(e.Error())
}
defer f.Close()
var node *html.Node
if node, e = html.Parse(f); e != nil {
panic(e.Error())
}
return NewDocumentFromNode(node)
}
func TestNewDocument(t *testing.T) {
if f, e := os.Open("./testdata/page.html"); e != nil {
t.Error(e.Error())
} else {
defer f.Close()
if node, e := html.Parse(f); e != nil {
t.Error(e.Error())
} else {
doc = NewDocumentFromNode(node)
}
}
}
func TestNewDocumentFromReader(t *testing.T) {
cases := []struct {
src string
err bool
sel string
cnt int
}{
0: {
src: `
<html>
<head>
<title>Test</title>
<body>
<h1>Hi</h1>
</body>
</html>`,
sel: "h1",
cnt: 1,
},
1: {
// Actually pretty hard to make html.Parse return an error
// based on content...
src: `<html><body><aef<eqf>>>qq></body></ht>`,
},
}
buf := bytes.NewBuffer(nil)
for i, c := range cases {
buf.Reset()
buf.WriteString(c.src)
d, e := NewDocumentFromReader(buf)
if (e != nil) != c.err {
if c.err {
t.Errorf("[%d] - expected error, got none", i)
} else {
t.Errorf("[%d] - expected no error, got %s", i, e)
}
}
if c.sel != "" {
s := d.Find(c.sel)
if s.Length() != c.cnt {
t.Errorf("[%d] - expected %d nodes, found %d", i, c.cnt, s.Length())
}
}
}
}
func TestNewDocumentFromResponseNil(t *testing.T) {
_, e := NewDocumentFromResponse(nil)
if e == nil {
t.Error("Expected error, got none")
}
}