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ansible-role-version/vendor/golang.org/x/net/html/render_test.go
Knut Ahlers 209b813c5b
Update dependencies
Signed-off-by: Knut Ahlers <knut@ahlers.me>
2018-03-19 18:16:10 +01:00

156 lines
2.8 KiB
Go

// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package html
import (
"bytes"
"testing"
)
func TestRenderer(t *testing.T) {
nodes := [...]*Node{
0: {
Type: ElementNode,
Data: "html",
},
1: {
Type: ElementNode,
Data: "head",
},
2: {
Type: ElementNode,
Data: "body",
},
3: {
Type: TextNode,
Data: "0<1",
},
4: {
Type: ElementNode,
Data: "p",
Attr: []Attribute{
{
Key: "id",
Val: "A",
},
{
Key: "foo",
Val: `abc"def`,
},
},
},
5: {
Type: TextNode,
Data: "2",
},
6: {
Type: ElementNode,
Data: "b",
Attr: []Attribute{
{
Key: "empty",
Val: "",
},
},
},
7: {
Type: TextNode,
Data: "3",
},
8: {
Type: ElementNode,
Data: "i",
Attr: []Attribute{
{
Key: "backslash",
Val: `\`,
},
},
},
9: {
Type: TextNode,
Data: "&4",
},
10: {
Type: TextNode,
Data: "5",
},
11: {
Type: ElementNode,
Data: "blockquote",
},
12: {
Type: ElementNode,
Data: "br",
},
13: {
Type: TextNode,
Data: "6",
},
}
// Build a tree out of those nodes, based on a textual representation.
// Only the ".\t"s are significant. The trailing HTML-like text is
// just commentary. The "0:" prefixes are for easy cross-reference with
// the nodes array.
treeAsText := [...]string{
0: `<html>`,
1: `. <head>`,
2: `. <body>`,
3: `. . "0&lt;1"`,
4: `. . <p id="A" foo="abc&#34;def">`,
5: `. . . "2"`,
6: `. . . <b empty="">`,
7: `. . . . "3"`,
8: `. . . <i backslash="\">`,
9: `. . . . "&amp;4"`,
10: `. . "5"`,
11: `. . <blockquote>`,
12: `. . <br>`,
13: `. . "6"`,
}
if len(nodes) != len(treeAsText) {
t.Fatal("len(nodes) != len(treeAsText)")
}
var stack [8]*Node
for i, line := range treeAsText {
level := 0
for line[0] == '.' {
// Strip a leading ".\t".
line = line[2:]
level++
}
n := nodes[i]
if level == 0 {
if stack[0] != nil {
t.Fatal("multiple root nodes")
}
stack[0] = n
} else {
stack[level-1].AppendChild(n)
stack[level] = n
for i := level + 1; i < len(stack); i++ {
stack[i] = nil
}
}
// At each stage of tree construction, we check all nodes for consistency.
for j, m := range nodes {
if err := checkNodeConsistency(m); err != nil {
t.Fatalf("i=%d, j=%d: %v", i, j, err)
}
}
}
want := `<html><head></head><body>0&lt;1<p id="A" foo="abc&#34;def">` +
`2<b empty="">3</b><i backslash="\">&amp;4</i></p>` +
`5<blockquote></blockquote><br/>6</body></html>`
b := new(bytes.Buffer)
if err := Render(b, nodes[0]); err != nil {
t.Fatal(err)
}
if got := b.String(); got != want {
t.Errorf("got vs want:\n%s\n%s\n", got, want)
}
}