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When creating line diffs do not split within an html entity (#13357)

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* When creating line diffs do not split within an html entity

Fix #13342

Signed-off-by: Andrew Thornton <art27@cantab.net>

* Add test case

Signed-off-by: Andrew Thornton <art27@cantab.net>

* improve test

Signed-off-by: Andrew Thornton <art27@cantab.net>

Co-authored-by: techknowlogick <techknowlogick@gitea.io>
This commit is contained in:
zeripath
2020-10-31 17:24:32 +00:00
committed by GitHub
parent a420beda2a
commit 6b7c199f5f
2 changed files with 114 additions and 0 deletions
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30
services/gitdiff/gitdiff_test.go
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@@ -15,6 +15,7 @@ import (
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/setting"
"github.com/sergi/go-diff/diffmatchpatch"
dmp "github.com/sergi/go-diff/diffmatchpatch"
"github.com/stretchr/testify/assert"
"gopkg.in/ini.v1"
@@ -26,6 +27,35 @@ func assertEqual(t *testing.T, s1 string, s2 template.HTML) {
}
}
func TestUnsplitEntities(t *testing.T) {
left := "sh &#34;useradd -u 111 jenkins&#34;"
right := "sh &#39;useradd -u $(stat -c &#34;%u&#34; .gitignore) jenkins&#39;"
diffRecord := diffMatchPatch.DiffMain(left, right, true)
diffRecord = diffMatchPatch.DiffCleanupEfficiency(diffRecord)
// Now we need to clean up the split entities
diffRecord = unsplitEntities(diffRecord)
diffRecord = diffMatchPatch.DiffCleanupEfficiency(diffRecord)
leftRecombined := ""
rightRecombined := ""
for _, record := range diffRecord {
assert.False(t, unterminatedEntityRE.MatchString(record.Text), "")
switch record.Type {
case diffmatchpatch.DiffDelete:
leftRecombined += record.Text
case diffmatchpatch.DiffInsert:
rightRecombined += record.Text
default:
leftRecombined += record.Text
rightRecombined += record.Text
}
}
assert.EqualValues(t, left, leftRecombined)
assert.EqualValues(t, right, rightRecombined)
}
func TestDiffToHTML(t *testing.T) {
setting.Cfg = ini.Empty()
assertEqual(t, "foo <span class=\"added-code\">bar</span> biz", diffToHTML("", []dmp.Diff{