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// Copyright 2011 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 doc
import (
"bytes"
"reflect"
"strings"
"testing"
)
var headingTests = []struct {
line string
ok bool
}{
{"Section", true},
{"A typical usage", true},
{"ΔΛΞ is Greek", true},
{"Foo 42", true},
{"", false},
{"section", false},
{"A typical usage:", false},
{"This code:", false},
{"δ is Greek", false},
{"Foo §", false},
{"Fermat's Last Sentence", true},
{"Fermat's", true},
{"'sX", false},
{"Ted 'Too' Bar", false},
{"Use n+m", false},
{"Scanning:", false},
{"N:M", false},
}
func TestIsHeading(t *testing.T) {
for _, tt := range headingTests {
if h := heading(tt.line); (len(h) > 0) != tt.ok {
t.Errorf("isHeading(%q) = %v, want %v", tt.line, h, tt.ok)
}
}
}
var blocksTests = []struct {
in string
out []block
text string
}{
{
in: `Para 1.
Para 1 line 2.
Para 2.
Section
Para 3.
pre
pre1
Para 4.
pre
pre1
pre2
Para 5.
pre
pre1
pre2
Para 6.
pre
pre2
`,
out: []block{
{opPara, []string{"Para 1.\n", "Para 1 line 2.\n"}},
{opPara, []string{"Para 2.\n"}},
{opHead, []string{"Section"}},
{opPara, []string{"Para 3.\n"}},
{opPre, []string{"pre\n", "pre1\n"}},
{opPara, []string{"Para 4.\n"}},
{opPre, []string{"pre\n", "pre1\n", "\n", "pre2\n"}},
{opPara, []string{"Para 5.\n"}},
{opPre, []string{"pre\n", "\n", "\n", "pre1\n", "pre2\n"}},
{opPara, []string{"Para 6.\n"}},
{opPre, []string{"pre\n", "pre2\n"}},
},
text: `. Para 1. Para 1 line 2.
. Para 2.
. Section
. Para 3.
$ pre
$ pre1
. Para 4.
$ pre
$ pre1
$ pre2
. Para 5.
$ pre
$ pre1
$ pre2
. Para 6.
$ pre
$ pre2
`,
},
{
in: "Para.\n\tshould not be ``escaped''",
out: []block{
{opPara, []string{"Para.\n"}},
{opPre, []string{"should not be ``escaped''"}},
},
text: ". Para.\n\n$ should not be ``escaped''",
},
{
in: "// A very long line of 46 char for line wrapping.",
out: []block{
{opPara, []string{"// A very long line of 46 char for line wrapping."}},
},
text: `. // A very long line of 46 char for line
. // wrapping.
`,
},
{
in: `/* A very long line of 46 char for line wrapping.
A very long line of 46 char for line wrapping. */`,
out: []block{
{opPara, []string{"/* A very long line of 46 char for line wrapping.\n", "A very long line of 46 char for line wrapping. */"}},
},
text: `. /* A very long line of 46 char for line
. wrapping. A very long line of 46 char
. for line wrapping. */
`,
},
{
in: `A line of 36 char for line wrapping.
//Another line starting with //`,
out: []block{
{opPara, []string{"A line of 36 char for line wrapping.\n",
"//Another line starting with //"}},
},
text: `. A line of 36 char for line wrapping.
. //Another line starting with //
`,
},
}
func TestBlocks(t *testing.T) {
for i, tt := range blocksTests {
b := blocks(tt.in)
if !reflect.DeepEqual(b, tt.out) {
t.Errorf("#%d: mismatch\nhave: %v\nwant: %v", i, b, tt.out)
}
}
}
func TestToText(t *testing.T) {
var buf bytes.Buffer
for i, tt := range blocksTests {
ToText(&buf, tt.in, ". ", "$\t", 40)
if have := buf.String(); have != tt.text {
t.Errorf("#%d: mismatch\nhave: %s\nwant: %s\nhave vs want:\n%q\n%q", i, have, tt.text, have, tt.text)
}
buf.Reset()
}
}
var emphasizeTests = []struct {
in, out string
}{
{"", ""},
{"http://[::1]:8080/foo.txt", `<a href="http://[::1]:8080/foo.txt">http://[::1]:8080/foo.txt</a>`},
{"before (https://www.google.com) after", `before (<a href="https://www.google.com">https://www.google.com</a>) after`},
{"before https://www.google.com:30/x/y/z:b::c. After", `before <a href="https://www.google.com:30/x/y/z:b::c">https://www.google.com:30/x/y/z:b::c</a>. After`},
{"http://www.google.com/path/:;!-/?query=%34b#093124", `<a href="http://www.google.com/path/:;!-/?query=%34b#093124">http://www.google.com/path/:;!-/?query=%34b#093124</a>`},
{"http://www.google.com/path/:;!-/?query=%34bar#093124", `<a href="http://www.google.com/path/:;!-/?query=%34bar#093124">http://www.google.com/path/:;!-/?query=%34bar#093124</a>`},
{"http://www.google.com/index.html! After", `<a href="http://www.google.com/index.html">http://www.google.com/index.html</a>! After`},
{"http://www.google.com/", `<a href="http://www.google.com/">http://www.google.com/</a>`},
{"https://www.google.com/", `<a href="https://www.google.com/">https://www.google.com/</a>`},
{"http://www.google.com/path.", `<a href="http://www.google.com/path">http://www.google.com/path</a>.`},
{"http://en.wikipedia.org/wiki/Camellia_(cipher)", `<a href="http://en.wikipedia.org/wiki/Camellia_(cipher)">http://en.wikipedia.org/wiki/Camellia_(cipher)</a>`},
{"(http://www.google.com/)", `(<a href="http://www.google.com/">http://www.google.com/</a>)`},
{"http://gmail.com)", `<a href="http://gmail.com">http://gmail.com</a>)`},
{"((http://gmail.com))", `((<a href="http://gmail.com">http://gmail.com</a>))`},
{"http://gmail.com ((http://gmail.com)) ()", `<a href="http://gmail.com">http://gmail.com</a> ((<a href="http://gmail.com">http://gmail.com</a>)) ()`},
{"Foo bar http://example.com/ quux!", `Foo bar <a href="http://example.com/">http://example.com/</a> quux!`},
{"Hello http://example.com/%2f/ /world.", `Hello <a href="http://example.com/%2f/">http://example.com/%2f/</a> /world.`},
{"Lorem http: ipsum //host/path", "Lorem http: ipsum //host/path"},
{"javascript://is/not/linked", "javascript://is/not/linked"},
{"http://foo", `<a href="http://foo">http://foo</a>`},
{"art by [[https://www.example.com/person/][Person Name]]", `art by [[<a href="https://www.example.com/person/">https://www.example.com/person/</a>][Person Name]]`},
{"please visit (http://golang.org/)", `please visit (<a href="http://golang.org/">http://golang.org/</a>)`},
{"please visit http://golang.org/hello())", `please visit <a href="http://golang.org/hello()">http://golang.org/hello()</a>)`},
{"http://git.qemu.org/?p=qemu.git;a=blob;f=qapi-schema.json;hb=HEAD", `<a href="http://git.qemu.org/?p=qemu.git;a=blob;f=qapi-schema.json;hb=HEAD">http://git.qemu.org/?p=qemu.git;a=blob;f=qapi-schema.json;hb=HEAD</a>`},
{"https://foo.bar/bal/x(])", `<a href="https://foo.bar/bal/x(">https://foo.bar/bal/x(</a>])`}, // inner ] causes (]) to be cut off from URL
{"foo [ http://bar(])", `foo [ <a href="http://bar(">http://bar(</a>])`}, // outer [ causes ]) to be cut off from URL
}
func TestEmphasize(t *testing.T) {
for i, tt := range emphasizeTests {
var buf bytes.Buffer
emphasize(&buf, tt.in, nil, true)
out := buf.String()
if out != tt.out {
t.Errorf("#%d: mismatch\nhave: %v\nwant: %v", i, out, tt.out)
}
}
}
func TestCommentEscape(t *testing.T) {
commentTests := []struct {
in, out string
}{
{"typically invoked as ``go tool asm'',", "typically invoked as " + ldquo + "go tool asm" + rdquo + ","},
{"For more detail, run ``go help test'' and ``go help testflag''", "For more detail, run " + ldquo + "go help test" + rdquo + " and " + ldquo + "go help testflag" + rdquo},
}
for i, tt := range commentTests {
var buf strings.Builder
commentEscape(&buf, tt.in, true)
out := buf.String()
if out != tt.out {
t.Errorf("#%d: mismatch\nhave: %q\nwant: %q", i, out, tt.out)
}
}
}
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