mirror of
https://github.com/go-gitea/gitea
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c03d75fbd5
* move git diff codes from models to services/gitdiff * fix template * fix test * fix template
198 lines
5.5 KiB
Go
198 lines
5.5 KiB
Go
// Copyright 2014 The Gogs Authors. All rights reserved.
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// Copyright 2019 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package gitdiff
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import (
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"html/template"
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"strings"
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"testing"
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"code.gitea.io/gitea/models"
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"code.gitea.io/gitea/modules/setting"
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dmp "github.com/sergi/go-diff/diffmatchpatch"
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"github.com/stretchr/testify/assert"
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)
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func assertEqual(t *testing.T, s1 string, s2 template.HTML) {
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if s1 != string(s2) {
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t.Errorf("%s should be equal %s", s2, s1)
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}
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}
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func TestDiffToHTML(t *testing.T) {
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assertEqual(t, "foo <span class=\"added-code\">bar</span> biz", diffToHTML([]dmp.Diff{
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{Type: dmp.DiffEqual, Text: "foo "},
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{Type: dmp.DiffInsert, Text: "bar"},
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{Type: dmp.DiffDelete, Text: " baz"},
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{Type: dmp.DiffEqual, Text: " biz"},
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}, DiffLineAdd))
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assertEqual(t, "foo <span class=\"removed-code\">bar</span> biz", diffToHTML([]dmp.Diff{
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{Type: dmp.DiffEqual, Text: "foo "},
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{Type: dmp.DiffDelete, Text: "bar"},
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{Type: dmp.DiffInsert, Text: " baz"},
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{Type: dmp.DiffEqual, Text: " biz"},
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}, DiffLineDel))
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}
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const exampleDiff = `diff --git a/README.md b/README.md
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--- a/README.md
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+++ b/README.md
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@@ -1,3 +1,6 @@
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# gitea-github-migrator
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+
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+ Build Status
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- Latest Release
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Docker Pulls
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+ cut off
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+ cut off`
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func TestCutDiffAroundLine(t *testing.T) {
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result := CutDiffAroundLine(strings.NewReader(exampleDiff), 4, false, 3)
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resultByLine := strings.Split(result, "\n")
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assert.Len(t, resultByLine, 7)
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// Check if headers got transferred
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assert.Equal(t, "diff --git a/README.md b/README.md", resultByLine[0])
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assert.Equal(t, "--- a/README.md", resultByLine[1])
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assert.Equal(t, "+++ b/README.md", resultByLine[2])
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// Check if hunk header is calculated correctly
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assert.Equal(t, "@@ -2,2 +3,2 @@", resultByLine[3])
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// Check if line got transferred
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assert.Equal(t, "+ Build Status", resultByLine[4])
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// Must be same result as before since old line 3 == new line 5
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newResult := CutDiffAroundLine(strings.NewReader(exampleDiff), 3, true, 3)
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assert.Equal(t, result, newResult, "Must be same result as before since old line 3 == new line 5")
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newResult = CutDiffAroundLine(strings.NewReader(exampleDiff), 6, false, 300)
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assert.Equal(t, exampleDiff, newResult)
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emptyResult := CutDiffAroundLine(strings.NewReader(exampleDiff), 6, false, 0)
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assert.Empty(t, emptyResult)
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// Line is out of scope
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emptyResult = CutDiffAroundLine(strings.NewReader(exampleDiff), 434, false, 0)
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assert.Empty(t, emptyResult)
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}
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func BenchmarkCutDiffAroundLine(b *testing.B) {
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for n := 0; n < b.N; n++ {
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CutDiffAroundLine(strings.NewReader(exampleDiff), 3, true, 3)
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}
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}
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func ExampleCutDiffAroundLine() {
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const diff = `diff --git a/README.md b/README.md
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--- a/README.md
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+++ b/README.md
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@@ -1,3 +1,6 @@
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# gitea-github-migrator
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+
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+ Build Status
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- Latest Release
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Docker Pulls
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+ cut off
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+ cut off`
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result := CutDiffAroundLine(strings.NewReader(diff), 4, false, 3)
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println(result)
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}
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func TestParsePatch(t *testing.T) {
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var diff = `diff --git "a/README.md" "b/README.md"
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--- a/README.md
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+++ b/README.md
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@@ -1,3 +1,6 @@
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# gitea-github-migrator
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+
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+ Build Status
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- Latest Release
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Docker Pulls
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+ cut off
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+ cut off`
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result, err := ParsePatch(setting.Git.MaxGitDiffLines, setting.Git.MaxGitDiffLineCharacters, setting.Git.MaxGitDiffFiles, strings.NewReader(diff))
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if err != nil {
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t.Errorf("ParsePatch failed: %s", err)
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}
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println(result)
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var diff2 = `diff --git "a/A \\ B" "b/A \\ B"
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--- "a/A \\ B"
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+++ "b/A \\ B"
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@@ -1,3 +1,6 @@
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# gitea-github-migrator
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+
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+ Build Status
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- Latest Release
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Docker Pulls
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+ cut off
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+ cut off`
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result, err = ParsePatch(setting.Git.MaxGitDiffLines, setting.Git.MaxGitDiffLineCharacters, setting.Git.MaxGitDiffFiles, strings.NewReader(diff2))
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if err != nil {
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t.Errorf("ParsePatch failed: %s", err)
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}
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println(result)
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var diff3 = `diff --git a/README.md b/README.md
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--- a/README.md
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+++ b/README.md
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@@ -1,3 +1,6 @@
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# gitea-github-migrator
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+
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+ Build Status
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- Latest Release
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Docker Pulls
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+ cut off
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+ cut off`
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result, err = ParsePatch(setting.Git.MaxGitDiffLines, setting.Git.MaxGitDiffLineCharacters, setting.Git.MaxGitDiffFiles, strings.NewReader(diff3))
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if err != nil {
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t.Errorf("ParsePatch failed: %s", err)
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}
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println(result)
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}
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func setupDefaultDiff() *Diff {
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return &Diff{
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Files: []*DiffFile{
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{
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Name: "README.md",
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Sections: []*DiffSection{
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{
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Lines: []*DiffLine{
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{
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LeftIdx: 4,
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RightIdx: 4,
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},
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},
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},
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},
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},
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},
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}
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}
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func TestDiff_LoadComments(t *testing.T) {
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assert.NoError(t, models.PrepareTestDatabase())
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issue := models.AssertExistsAndLoadBean(t, &models.Issue{ID: 2}).(*models.Issue)
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user := models.AssertExistsAndLoadBean(t, &models.User{ID: 1}).(*models.User)
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diff := setupDefaultDiff()
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assert.NoError(t, diff.LoadComments(issue, user))
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assert.Len(t, diff.Files[0].Sections[0].Lines[0].Comments, 2)
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}
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func TestDiffLine_CanComment(t *testing.T) {
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assert.False(t, (&DiffLine{Type: DiffLineSection}).CanComment())
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assert.False(t, (&DiffLine{Type: DiffLineAdd, Comments: []*models.Comment{{Content: "bla"}}}).CanComment())
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assert.True(t, (&DiffLine{Type: DiffLineAdd}).CanComment())
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assert.True(t, (&DiffLine{Type: DiffLineDel}).CanComment())
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assert.True(t, (&DiffLine{Type: DiffLinePlain}).CanComment())
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}
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func TestDiffLine_GetCommentSide(t *testing.T) {
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assert.Equal(t, "previous", (&DiffLine{Comments: []*models.Comment{{Line: -3}}}).GetCommentSide())
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assert.Equal(t, "proposed", (&DiffLine{Comments: []*models.Comment{{Line: 3}}}).GetCommentSide())
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}
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