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Convert EOL to UNIX-style to render MD properly (#8925)

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* Convert EOL to UNIX-style to render MD properly

* Update modules/markup/markdown/markdown.go

Co-Authored-By: zeripath <art27@cantab.net>

* Fix lint optimization

* Check for empty content before conversion

* Update modules/util/util.go

Co-Authored-By: zeripath <art27@cantab.net>

* Improved checks and tests

* Add paragraph render test

* Improve speed even more, improve tests

* Small improvement by @gary-kim

* Fix test for DOS

* More improvements

* Restart CI
This commit is contained in:
guillep2k
2019-11-12 23:27:11 -03:00
committed by Antoine GIRARD
parent cda8de2004
commit 7b97e04555
4 changed files with 120 additions and 1 deletions
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3
modules/markup/markdown/markdown.go
View File

@@ -157,7 +157,8 @@ func RenderRaw(body []byte, urlPrefix string, wikiMarkdown bool) []byte {
exts |= blackfriday.HardLineBreak
}
body = blackfriday.Run(body, blackfriday.WithRenderer(renderer), blackfriday.WithExtensions(exts))
// Need to normalize EOL to UNIX LF to have consistent results in rendering
body = blackfriday.Run(util.NormalizeEOL(body), blackfriday.WithRenderer(renderer), blackfriday.WithExtensions(exts))
return markup.SanitizeBytes(body)
}

22
modules/markup/markdown/markdown_test.go
View File

@@ -294,3 +294,25 @@ func TestTotal_RenderString(t *testing.T) {
assert.Equal(t, testCases[i+1], line)
}
}
func TestRender_RenderParagraphs(t *testing.T) {
test := func(t *testing.T, str string, cnt int) {
unix := []byte(str)
res := string(RenderRaw(unix, "", false))
assert.Equal(t, strings.Count(res, "<p"), cnt)
mac := []byte(strings.ReplaceAll(str, "\n", "\r"))
res = string(RenderRaw(mac, "", false))
assert.Equal(t, strings.Count(res, "<p"), cnt)
dos := []byte(strings.ReplaceAll(str, "\n", "\r\n"))
res = string(RenderRaw(dos, "", false))
assert.Equal(t, strings.Count(res, "<p"), cnt)
}
test(t, "\nOne\nTwo\nThree", 1)
test(t, "\n\nOne\nTwo\nThree", 1)
test(t, "\n\nOne\nTwo\nThree\n\n\n", 1)
test(t, "A\n\nB\nC\n", 2)
test(t, "A\n\n\nB\nC\n", 2)
}