// Copyright 2017 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package markdown_test
import (
"context"
"html/template"
"strings"
"testing"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/markup"
"code.gitea.io/gitea/modules/markup/markdown"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/test"
"code.gitea.io/gitea/modules/util"
"github.com/stretchr/testify/assert"
)
const (
AppURL = "http://localhost:3000/"
testRepoOwnerName = "user13"
testRepoName = "repo11"
FullURL = AppURL + testRepoOwnerName + "/" + testRepoName + "/"
)
// these values should match the const above
var localMetas = map[string]string{
"user": testRepoOwnerName,
"repo": testRepoName,
}
func TestRender_StandardLinks(t *testing.T) {
test := func(input, expected string) {
buffer, err := markdown.RenderString(markup.NewTestRenderContext(), input)
assert.NoError(t, err)
assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(string(buffer)))
}
googleRendered := `https://google.com/
`
test("", googleRendered)
test("[Link](Link)", `Link
`)
}
func TestRender_Images(t *testing.T) {
setting.AppURL = AppURL
test := func(input, expected string) {
buffer, err := markdown.RenderString(markup.NewTestRenderContext(FullURL), input)
assert.NoError(t, err)
assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(string(buffer)))
}
url := "../../.images/src/02/train.jpg"
title := "Train"
href := "https://gitea.io"
result := util.URLJoin(FullURL, url)
// hint: With Markdown v2.5.2, there is a new syntax: [link](URL){:target="_blank"} , but we do not support it now
test(
"!["+title+"]("+url+")",
`
`)
test(
"[["+title+"|"+url+"]]",
`
`)
test(
"[!["+title+"]("+url+")]("+href+")",
`
`)
test(
"!["+title+"]("+url+")",
`
`)
test(
"[["+title+"|"+url+"]]",
`
`)
test(
"[!["+title+"]("+url+")]("+href+")",
`
`)
}
func TestTotal_RenderString(t *testing.T) {
defer test.MockVariableValue(&markup.RenderBehaviorForTesting.DisableAdditionalAttributes, true)()
// Test cases without ambiguous links (It is not right to copy a whole file here, instead it should clearly test what is being tested)
sameCases := []string{
// dear imgui wiki markdown extract: special wiki syntax
`Wiki! Enjoy :)
- [[Links, Language bindings, Engine bindings|Links]]
- [[Tips]]
See commit 65f1bf27bc
Ideas and codes
- Bezier widget (by @r-lyeh) ` + AppURL + `ocornut/imgui/issues/786
- Bezier widget (by @r-lyeh) ` + FullURL + `issues/786
- Node graph editors https://github.com/ocornut/imgui/issues/306
- [[Memory Editor|memory_editor_example]]
- [[Plot var helper|plot_var_example]]`,
// wine-staging wiki home extract: tables, special wiki syntax, images
`## What is Wine Staging?
**Wine Staging** on website [wine-staging.com](http://wine-staging.com).
## Quick Links
Here are some links to the most important topics. You can find the full list of pages at the sidebar.
| [[images/icon-install.png]] | [[Installation]] |
|--------------------------------|----------------------------------------------------------|
| [[images/icon-usage.png]] | [[Usage]] |
`,
// libgdx wiki page: inline images with special syntax
`[Excelsior JET](http://www.excelsiorjet.com/) allows you to create native executables for Windows, Linux and Mac OS X.
1. [Package your libGDX application](https://github.com/libgdx/libgdx/wiki/Gradle-on-the-Commandline#packaging-for-the-desktop)
[[images/1.png]]
2. Perform a test run by hitting the Run! button.
[[images/2.png]]
## More tests {#custom-id}
(from https://www.markdownguide.org/extended-syntax/)
### Checkboxes
- [ ] unchecked
- [x] checked
- [ ] still unchecked
### Definition list
First Term
: This is the definition of the first term.
Second Term
: This is one definition of the second term.
: This is another definition of the second term.
### Footnotes
Here is a simple footnote,[^1] and here is a longer one.[^bignote]
[^1]: This is the first footnote.
[^bignote]: Here is one with multiple paragraphs and code.
Indent paragraphs to include them in the footnote.
` + "`{ my code }`" + `
Add as many paragraphs as you like.
`,
`
- [ ] If you want to rebase/retry this PR, click this checkbox.
---
This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
`,
}
baseURL := ""
testAnswers := []string{
`Wiki! Enjoy :)
See commit 65f1bf27bc
Ideas and codes
`,
`What is Wine Staging?
Wine Staging on website wine-staging.com.
Quick Links
Here are some links to the most important topics. You can find the full list of pages at the sidebar.
`,
`Excelsior JET allows you to create native executables for Windows, Linux and Mac OS X.
- Package your libGDX application
- Perform a test run by hitting the Run! button.
More tests
(from https://www.markdownguide.org/extended-syntax/)
Checkboxes
Definition list
- First Term
- This is the definition of the first term.
- Second Term
- This is one definition of the second term.
- This is another definition of the second term.
Here is a simple footnote,1 and here is a longer one.2
-
This is the first footnote. âŠī¸
-
Here is one with multiple paragraphs and code.
Indent paragraphs to include them in the footnote.
{ my code }
Add as many paragraphs as you like. âŠī¸
`,
`
This PR has been generated by Renovate Bot.
`,
}
markup.Init(&markup.RenderHelperFuncs{
IsUsernameMentionable: func(ctx context.Context, username string) bool {
return username == "r-lyeh"
},
})
for i := 0; i < len(sameCases); i++ {
line, err := markdown.RenderString(markup.NewTestRenderContext(localMetas), sameCases[i])
assert.NoError(t, err)
assert.Equal(t, testAnswers[i], string(line))
}
}
func TestRender_RenderParagraphs(t *testing.T) {
test := func(t *testing.T, str string, cnt int) {
res, err := markdown.RenderRawString(markup.NewTestRenderContext(), str)
assert.NoError(t, err)
assert.Equal(t, cnt, strings.Count(res, "
`
res, err := markdown.RenderRawString(markup.NewTestRenderContext(), testcase)
assert.NoError(t, err)
assert.Equal(t, expected, res)
}
func TestRenderEmojiInLinks_Issue12331(t *testing.T) {
testcase := `[Link with emoji :moon: in text](https://gitea.io)`
expected := `Link with emoji đ in text
`
res, err := markdown.RenderString(markup.NewTestRenderContext(), testcase)
assert.NoError(t, err)
assert.Equal(t, template.HTML(expected), res)
}
func TestColorPreview(t *testing.T) {
const nl = "\n"
positiveTests := []struct {
testcase string
expected string
}{
{ // do not render color names
"The CSS class `red` is there",
"The CSS class red is there
\n",
},
{ // hex
"`#FF0000`",
`#FF0000
` + nl,
},
{ // rgb
"`rgb(16, 32, 64)`",
`rgb(16, 32, 64)
` + nl,
},
{ // short hex
"This is the color white `#0a0`",
`This is the color white #0a0
` + nl,
},
{ // hsl
"HSL stands for hue, saturation, and lightness. An example: `hsl(0, 100%, 50%)`.",
`HSL stands for hue, saturation, and lightness. An example: hsl(0, 100%, 50%).
` + nl,
},
{ // uppercase hsl
"HSL stands for hue, saturation, and lightness. An example: `HSL(0, 100%, 50%)`.",
`HSL stands for hue, saturation, and lightness. An example: HSL(0, 100%, 50%).
` + nl,
},
}
for _, test := range positiveTests {
res, err := markdown.RenderString(markup.NewTestRenderContext(), test.testcase)
assert.NoError(t, err, "Unexpected error in testcase: %q", test.testcase)
assert.Equal(t, template.HTML(test.expected), res, "Unexpected result in testcase %q", test.testcase)
}
negativeTests := []string{
// not a color code
"`FF0000`",
// inside a code block
"```javascript" + nl + `const red = "#FF0000";` + nl + "```",
// no backticks
"rgb(166, 32, 64)",
// typo
"`hsI(0, 100%, 50%)`",
// looks like a color but not really
"`hsl(40, 60, 80)`",
}
for _, test := range negativeTests {
res, err := markdown.RenderString(markup.NewTestRenderContext(), test)
assert.NoError(t, err, "Unexpected error in testcase: %q", test)
assert.NotContains(t, res, `
`,
},
}
for _, test := range testcases {
res, err := markdown.RenderString(markup.NewTestRenderContext(), test.testcase)
assert.NoError(t, err, "Unexpected error in testcase: %q", test.testcase)
assert.Equal(t, template.HTML(test.expected), res, "Unexpected result in testcase %q", test.testcase)
}
}
func TestRenderLinks(t *testing.T) {
input := ` space @mention-user${SPACE}${SPACE}
/just/a/path.bin
https://example.com/file.bin
[local link](file.bin)
[remote link](https://example.com)
[[local link|file.bin]]
[[remote link|https://example.com]]
[[local image|image.jpg]]
[[remote link|https://example.com/image.jpg]]
https://example.com/user/repo/compare/88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb#hash
com 88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb pare
https://example.com/user/repo/commit/88fc37a3c0a4dda553bdcfc80c178a58247f42fb
com 88fc37a3c0a4dda553bdcfc80c178a58247f42fb mit
:+1:
mail@domain.com
@mention-user test
#123
space${SPACE}${SPACE}
`
input = strings.ReplaceAll(input, "${SPACE}", " ") // replace ${SPACE} with " ", to avoid some editor's auto-trimming
expected := `space @mention-user
/just/a/path.bin
https://example.com/file.bin
local link
remote link
local link
remote link
88fc37a3c0...12fc37a3c0 (hash)
com 88fc37a3c0a4dda553bdcfc80c178a58247f42fb...12fc37a3c0a4dda553bdcfc80c178a58247f42fb pare
88fc37a3c0
com 88fc37a3c0a4dda553bdcfc80c178a58247f42fb mit
đ
mail@domain.com
@mention-user test
#123
space
`
defer test.MockVariableValue(&markup.RenderBehaviorForTesting.DisableAdditionalAttributes, true)()
result, err := markdown.RenderString(markup.NewTestRenderContext(localMetas), input)
assert.NoError(t, err)
assert.Equal(t, expected, string(result))
}
