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// Copyright 2019 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.
//go:build !go1.19
// +build !go1.19
package source
import (
"bytes"
"reflect"
"strings"
"testing"
)
// This file is a copy of go/doc/comment_test.go with the exception for
// the test cases for TestEmphasize and TestCommentEscape
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. */
`,
},
}
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)
}
}
}
// This has been modified from go/doc to use markdown links instead of html ones
// and use markdown escaping instead oh html
var emphasizeTests = []struct {
in, out string
}{
{"", ""},
{"http://[::1]:8080/foo.txt", `[http\:\/\/\[\:\:1\]\:8080\/foo\.txt](http://[::1]:8080/foo.txt)`},
{"before (https://www.google.com) after", `before \([https\:\/\/www\.google\.com](https://www.google.com)\) after`},
{"before https://www.google.com:30/x/y/z:b::c. After", `before [https\:\/\/www\.google\.com\:30\/x\/y\/z\:b\:\:c](https://www.google.com:30/x/y/z:b::c)\. After`},
{"http://www.google.com/path/:;!-/?query=%34b#093124", `[http\:\/\/www\.google\.com\/path\/\:\;\!\-\/\?query\=\%34b\#093124](http://www.google.com/path/:;!-/?query=%34b#093124)`},
{"http://www.google.com/path/:;!-/?query=%34bar#093124", `[http\:\/\/www\.google\.com\/path\/\:\;\!\-\/\?query\=\%34bar\#093124](http://www.google.com/path/:;!-/?query=%34bar#093124)`},
{"http://www.google.com/index.html! After", `[http\:\/\/www\.google\.com\/index\.html](http://www.google.com/index.html)\! After`},
{"http://www.google.com/", `[http\:\/\/www\.google\.com\/](http://www.google.com/)`},
{"https://www.google.com/", `[https\:\/\/www\.google\.com\/](https://www.google.com/)`},
{"http://www.google.com/path.", `[http\:\/\/www\.google\.com\/path](http://www.google.com/path)\.`},
{"http://en.wikipedia.org/wiki/Camellia_(cipher)", `[http\:\/\/en\.wikipedia\.org\/wiki\/Camellia\_\(cipher\)](http://en.wikipedia.org/wiki/Camellia_\(cipher\))`},
{"(http://www.google.com/)", `\([http\:\/\/www\.google\.com\/](http://www.google.com/)\)`},
{"http://gmail.com)", `[http\:\/\/gmail\.com](http://gmail.com)\)`},
{"((http://gmail.com))", `\(\([http\:\/\/gmail\.com](http://gmail.com)\)\)`},
{"http://gmail.com ((http://gmail.com)) ()", `[http\:\/\/gmail\.com](http://gmail.com) \(\([http\:\/\/gmail\.com](http://gmail.com)\)\) \(\)`},
{"Foo bar http://example.com/ quux!", `Foo bar [http\:\/\/example\.com\/](http://example.com/) quux\!`},
{"Hello http://example.com/%2f/ /world.", `Hello [http\:\/\/example\.com\/\%2f\/](http://example.com/%2f/) \/world\.`},
{"Lorem http: ipsum //host/path", `Lorem http\: ipsum \/\/host\/path`},
{"javascript://is/not/linked", `javascript\:\/\/is\/not\/linked`},
{"http://foo", `[http\:\/\/foo](http://foo)`},
{"art by [[https://www.example.com/person/][Person Name]]", `art by \[\[[https\:\/\/www\.example\.com\/person\/](https://www.example.com/person/)\]\[Person Name\]\]`},
{"please visit (http://golang.org/)", `please visit \([http\:\/\/golang\.org\/](http://golang.org/)\)`},
{"please visit http://golang.org/hello())", `please visit [http\:\/\/golang\.org\/hello\(\)](http://golang.org/hello\(\))\)`},
{"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](http://git.qemu.org/?p=qemu.git;a=blob;f=qapi-schema.json;hb=HEAD)`},
{"https://foo.bar/bal/x(])", `[https\:\/\/foo\.bar\/bal\/x\(](https://foo.bar/bal/x\()\]\)`},
{"foo [ http://bar(])", `foo \[ [http\:\/\/bar\(](http://bar\()\]\)`},
}
func TestEmphasize(t *testing.T) {
for i, tt := range emphasizeTests {
var buf bytes.Buffer
emphasize(&buf, tt.in, 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) {
//ldquo -> ulquo and rdquo -> urquo
commentTests := []struct {
in, out string
}{
{"typically invoked as ``go tool asm'',", "typically invoked as " + ulquo + "go tool asm" + urquo + ","},
{"For more detail, run ``go help test'' and ``go help testflag''", "For more detail, run " + ulquo + "go help test" + urquo + " and " + ulquo + "go help testflag" + urquo}}
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)
}
}
}
func TestCommentToMarkdown(t *testing.T) {
tests := []struct {
in, out string
}{
{
in: "F declaration.\n",
out: "F declaration\\.\n",
},
{
in: `
F declaration. Lorem ipsum dolor sit amet.
Etiam mattis eros at orci mollis molestie.
`,
out: `
F declaration\. Lorem ipsum dolor sit amet\.
Etiam mattis eros at orci mollis molestie\.
`,
},
{
in: `
F declaration.
Lorem ipsum dolor sit amet.
Sed id dui turpis.
Aenean tempus velit non auctor eleifend.
Aenean efficitur a sem id ultricies.
Phasellus efficitur mauris et viverra bibendum.
`,
out: `
F declaration\.
Lorem ipsum dolor sit amet\.
Sed id dui turpis\.
Aenean tempus velit non auctor eleifend\.
Aenean efficitur a sem id ultricies\.
Phasellus efficitur mauris et viverra bibendum\.
`,
},
{
in: `
F declaration.
Aenean tempus velit non auctor eleifend.
Section
Lorem ipsum dolor sit amet, consectetur adipiscing elit.
func foo() {}
func bar() {}
Fusce lorem lacus.
func foo() {}
func bar() {}
Maecenas in lobortis lectus.
func foo() {}
func bar() {}
Phasellus efficitur mauris et viverra bibendum.
`,
out: `
F declaration\.
Aenean tempus velit non auctor eleifend\.
### Section
Lorem ipsum dolor sit amet, consectetur adipiscing elit\.
func foo() {}
func bar() {}
Fusce lorem lacus\.
func foo() {}
func bar() {}
Maecenas in lobortis lectus\.
func foo() {}
func bar() {}
Phasellus efficitur mauris et viverra bibendum\.
`,
},
{
in: `
F declaration.
func foo() {
fmt.Println("foo")
}
func bar() {
fmt.Println("bar")
}
`,
out: `
F declaration\.
func foo() {
fmt.Println("foo")
}
func bar() {
fmt.Println("bar")
}
`,
},
}
for i, tt := range tests {
// Comments start with new lines for better readability. So, we should trim them.
tt.in = strings.TrimPrefix(tt.in, "\n")
tt.out = strings.TrimPrefix(tt.out, "\n")
if out := CommentToMarkdown(tt.in, nil); out != tt.out {
t.Errorf("#%d: mismatch\nhave: %q\nwant: %q", i, out, tt.out)
}
}
}