mirror of
https://github.com/Luzifer/cloudkeys-go.git
synced 2024-11-14 00:42:44 +00:00
156 lines
2.8 KiB
Go
156 lines
2.8 KiB
Go
// Copyright 2010 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package html
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import (
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"bytes"
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"testing"
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)
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func TestRenderer(t *testing.T) {
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nodes := [...]*Node{
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0: {
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Type: ElementNode,
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Data: "html",
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},
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1: {
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Type: ElementNode,
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Data: "head",
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},
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2: {
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Type: ElementNode,
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Data: "body",
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},
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3: {
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Type: TextNode,
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Data: "0<1",
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},
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4: {
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Type: ElementNode,
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Data: "p",
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Attr: []Attribute{
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{
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Key: "id",
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Val: "A",
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},
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{
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Key: "foo",
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Val: `abc"def`,
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},
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},
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},
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5: {
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Type: TextNode,
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Data: "2",
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},
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6: {
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Type: ElementNode,
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Data: "b",
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Attr: []Attribute{
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{
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Key: "empty",
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Val: "",
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},
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},
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},
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7: {
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Type: TextNode,
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Data: "3",
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},
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8: {
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Type: ElementNode,
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Data: "i",
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Attr: []Attribute{
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{
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Key: "backslash",
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Val: `\`,
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},
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},
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},
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9: {
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Type: TextNode,
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Data: "&4",
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},
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10: {
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Type: TextNode,
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Data: "5",
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},
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11: {
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Type: ElementNode,
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Data: "blockquote",
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},
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12: {
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Type: ElementNode,
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Data: "br",
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},
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13: {
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Type: TextNode,
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Data: "6",
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},
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}
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// Build a tree out of those nodes, based on a textual representation.
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// Only the ".\t"s are significant. The trailing HTML-like text is
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// just commentary. The "0:" prefixes are for easy cross-reference with
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// the nodes array.
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treeAsText := [...]string{
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0: `<html>`,
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1: `. <head>`,
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2: `. <body>`,
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3: `. . "0<1"`,
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4: `. . <p id="A" foo="abc"def">`,
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5: `. . . "2"`,
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6: `. . . <b empty="">`,
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7: `. . . . "3"`,
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8: `. . . <i backslash="\">`,
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9: `. . . . "&4"`,
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10: `. . "5"`,
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11: `. . <blockquote>`,
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12: `. . <br>`,
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13: `. . "6"`,
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}
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if len(nodes) != len(treeAsText) {
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t.Fatal("len(nodes) != len(treeAsText)")
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}
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var stack [8]*Node
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for i, line := range treeAsText {
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level := 0
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for line[0] == '.' {
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// Strip a leading ".\t".
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line = line[2:]
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level++
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}
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n := nodes[i]
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if level == 0 {
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if stack[0] != nil {
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t.Fatal("multiple root nodes")
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}
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stack[0] = n
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} else {
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stack[level-1].AppendChild(n)
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stack[level] = n
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for i := level + 1; i < len(stack); i++ {
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stack[i] = nil
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}
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}
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// At each stage of tree construction, we check all nodes for consistency.
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for j, m := range nodes {
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if err := checkNodeConsistency(m); err != nil {
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t.Fatalf("i=%d, j=%d: %v", i, j, err)
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}
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}
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}
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want := `<html><head></head><body>0<1<p id="A" foo="abc"def">` +
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`2<b empty="">3</b><i backslash="\">&4</i></p>` +
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`5<blockquote></blockquote><br/>6</body></html>`
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b := new(bytes.Buffer)
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if err := Render(b, nodes[0]); err != nil {
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t.Fatal(err)
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}
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if got := b.String(); got != want {
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t.Errorf("got vs want:\n%s\n%s\n", got, want)
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}
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}
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