ref: e384a34196d16392ecd428b63d21a3868e8957b6
dir: /nodes/nodes_test.go/
package nodes
import (
"bytes"
"encoding/json"
"golang.org/x/net/html"
"github.com/psilva261/opossum/style"
"strings"
"testing"
)
func TestFilterText(t *testing.T) {
in := "ebenfalls"
exp := "ebenfalls"
if out := filterText(in); out != exp {
t.Fatalf("%+v", out)
}
}
func TestQueryRef(t *testing.T) {
buf := strings.NewReader(`
<html>
<body>
<p>
<b>bold stuff</b>
<i>italic stuff</i>
<a>link</a>
</p>
</body>
</html>`)
doc, err := html.Parse(buf)
if err != nil { t.Fatalf(err.Error()) }
nt := NewNodeTree(doc, style.Map{}, make(map[*html.Node]style.Map), nil)
p := nt.Children[0].Children[1].Children[1]
a := p.Children[5]
if q := a.QueryRef(); q != "p:nth-child(1) > a:nth-child(3)" { t.Fatalf("%v", q) }
}
func TestSetText(t *testing.T) {
buf := strings.NewReader("<textarea>initial</textarea>")
doc, err := html.Parse(buf)
if err != nil { t.Fatalf(err.Error()) }
n := NewNodeTree(doc, style.Map{}, make(map[*html.Node]style.Map), nil)
if s := n.ContentString(false); s != "initial" {
t.Fatalf(s)
}
n.SetText("123")
if s := n.ContentString(false); s != "123" {
t.Fatalf(s)
}
}
func TestNewNodeTree(t *testing.T) {
buf := strings.NewReader(`
<html>
<body style="width: 900px; height: 700px; font-size: 12px;">
<p>
<b style="height: 100px;">bold stuff</b>
</p>
</body>
</html>`)
doc, err := html.Parse(buf)
if err != nil { t.Fatalf(err.Error()) }
n := NewNodeTree(doc, style.Map{}, make(map[*html.Node]style.Map), nil)
body := n.Find("body")
bodyW := body.Map.Css("width")
bodyH := body.Map.Css("height")
bodyF := body.Map.Css("font-size")
if bodyW != "900px" || bodyH != "700px" || bodyF != "12px" {
t.Fatalf("<%v> w=%v h=%v f=%v", body.Data(), bodyW, bodyH, bodyF)
}
b := n.Find("b")
bW := b.Map.Css("width")
bH := b.Map.Css("height")
bF := b.Map.Css("font-size")
if bW != "" || bH != "100px"/* || bF != "12px"*/ {
t.Fatalf("<%v> w=%v h=%v f=%v", b.Data(), bW, bH, bF)
}
text := b.Children[0]
textF := text.Map.Css("font-size")
if textF != "12px" || text.Text != "bold stuff" {
t.Fatalf("%+v", text)
}
}
func TestJsonCycles(t *testing.T) {
buf := strings.NewReader(`
<html>
<body style="width: 900px; height: 700px; font-size: 12px;">
<p>
<b style="height: 100px;">bold stuff</b>
</p>
</body>
</html>`)
doc, err := html.Parse(buf)
if err != nil { t.Fatalf(err.Error()) }
n := NewNodeTree(doc, style.Map{}, make(map[*html.Node]style.Map), nil)
body := n.Find("body")
_=body
b := bytes.NewBufferString("")
enc := json.NewEncoder(b)
if err := enc.Encode(n); err != nil {
t.Fatalf("%+v", err)
}
}
func TestContainingBlock(t *testing.T) {
tests := map[string]string{
"body": `
<html>
<body>
<div>
<a style="position: absolute;">link</a>
</div>
</body>
</html>
`,
"div": `
<html>
<body>
<div style="position: relative;">
<a style="position: absolute;">link</a>
</div>
</body>
</html>
`,
"main": `
<html>
<body>
<main style="position: relative;">
<article>
<a style="position: absolute;">link</a>
</article>
</main>
</body>
</html>
`,
}
for cbTag, htm := range tests {
doc, err := html.Parse(strings.NewReader(htm))
if err != nil { t.Fatalf(err.Error()) }
nt := NewNodeTree(doc, style.Map{}, make(map[*html.Node]style.Map), nil)
cb := nt.Find(cbTag)
a := nt.Find("a")
if a.CB() != cb {
t.Fail()
}
}
}
func TestCBItems(t *testing.T) {
tests := map[string]map[string][]string{
`
<html>
<body>
<div>
<a style="position: absolute;">link</a>
</div>
</body>
</html>
`: {
"body": {"a", "", "div", ""},
"div": {"", ""},
"a": {"link"},
},
`
<html>
<body>
<div style="position: relative;">
<a style="position: absolute;">link</a>
</div>
</body>
</html>
`: {
"body": {"", "div", ""},
"div": {"a", "", ""},
"a": {"link"},
},
`
<html>
<body>
<main style="position: relative;">
<article>
<a style="position: absolute;">link</a>
</article>
</main>
</body>
</html>
`: {
"body": {"", "main", ""},
"main": {"a", "", "article", ""},
"article": {"", ""},
"a": {"link"},
},
}
for htm, m := range tests {
doc, err := html.Parse(strings.NewReader(htm))
if err != nil { t.Fatalf(err.Error()) }
nt := NewNodeTree(doc, style.Map{}, make(map[*html.Node]style.Map), nil)
for from, tos := range m {
t.Logf("from: %v", from)
f := nt.Find(from)
cbis := f.CBItems()
if len(cbis) != len(tos) {
t.Errorf("len(cbis)=%+v", cbis)
} else {
t.Logf("lengths match")
}
for i, cbi := range cbis {
t.Logf("%+v %v", cbi.Data(), cbi.Type())
if strings.TrimSpace(cbi.Data()) != tos[i] {
t.Fail()
}
}
}
}
}