mirror of
https://github.com/go-gitea/gitea.git
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062ea40a79
Backport #12771 Following further testing it has become apparent that the diff line cannot be used to determine filenames for diffs with any sort of predictability the answer therefore is to use the other lines that are provided with a diff Fix #12768 Signed-off-by: Andrew Thornton <art27@cantab.net>
306 lines
8.3 KiB
Go
306 lines
8.3 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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"encoding/json"
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"fmt"
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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/git"
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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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func TestParsePatch_singlefile(t *testing.T) {
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type testcase struct {
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name string
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gitdiff string
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wantErr bool
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addition int
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deletion int
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oldFilename string
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filename string
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}
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tests := []testcase{
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{
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name: "readme.md2readme.md",
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gitdiff: `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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`,
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addition: 4,
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deletion: 1,
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filename: "README.md",
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},
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{
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name: "A \\ B",
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gitdiff: `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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addition: 4,
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deletion: 1,
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filename: "A \\ B",
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},
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{
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name: "really weird filename",
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gitdiff: `diff --git a/a b/file b/a a/file b/a b/file b/a a/file
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index d2186f1..f5c8ed2 100644
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--- a/a b/file b/a a/file
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+++ b/a b/file b/a a/file
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@@ -1,3 +1,2 @@
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Create a weird file.
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-and what does diff do here?
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\ No newline at end of file`,
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addition: 0,
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deletion: 1,
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filename: "a b/file b/a a/file",
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oldFilename: "a b/file b/a a/file",
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},
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{
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name: "delete file with blanks",
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gitdiff: `diff --git a/file with blanks b/file with blanks
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deleted file mode 100644
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index 898651a..0000000
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--- a/file with blanks
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+++ /dev/null
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@@ -1,5 +0,0 @@
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-a blank file
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-
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-has a couple o line
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-
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-the 5th line is the last
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`,
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addition: 0,
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deletion: 5,
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filename: "file with blanks",
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},
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{
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name: "rename a—as",
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gitdiff: `diff --git "a/\360\243\220\265b\342\200\240vs" "b/a\342\200\224as"
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similarity index 100%
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rename from "\360\243\220\265b\342\200\240vs"
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rename to "a\342\200\224as"
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`,
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addition: 0,
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deletion: 0,
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oldFilename: "𣐵b†vs",
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filename: "a—as",
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},
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{
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name: "rename with spaces",
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gitdiff: `diff --git a/a b/file b/a a/file b/a b/a a/file b/b file
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similarity index 100%
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rename from a b/file b/a a/file
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rename to a b/a a/file b/b file
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`,
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oldFilename: "a b/file b/a a/file",
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filename: "a b/a a/file b/b file",
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},
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}
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for _, testcase := range tests {
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t.Run(testcase.name, func(t *testing.T) {
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got, err := ParsePatch(setting.Git.MaxGitDiffLines, setting.Git.MaxGitDiffLineCharacters, setting.Git.MaxGitDiffFiles, strings.NewReader(testcase.gitdiff))
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if (err != nil) != testcase.wantErr {
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t.Errorf("ParsePatch() error = %v, wantErr %v", err, testcase.wantErr)
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return
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}
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gotMarshaled, _ := json.MarshalIndent(got, " ", " ")
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if got.NumFiles() != 1 {
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t.Errorf("ParsePath() did not receive 1 file:\n%s", string(gotMarshaled))
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return
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}
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if got.TotalAddition != testcase.addition {
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t.Errorf("ParsePath() does not have correct totalAddition %d, wanted %d", got.TotalAddition, testcase.addition)
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}
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if got.TotalDeletion != testcase.deletion {
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t.Errorf("ParsePath() did not have correct totalDeletion %d, wanted %d", got.TotalDeletion, testcase.deletion)
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}
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file := got.Files[0]
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if file.Addition != testcase.addition {
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t.Errorf("ParsePath() does not have correct file addition %d, wanted %d", file.Addition, testcase.addition)
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}
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if file.Deletion != testcase.deletion {
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t.Errorf("ParsePath() did not have correct file deletion %d, wanted %d", file.Deletion, testcase.deletion)
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}
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if file.OldName != testcase.oldFilename {
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t.Errorf("ParsePath() did not have correct OldName %s, wanted %s", file.OldName, testcase.oldFilename)
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}
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if file.Name != testcase.filename {
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t.Errorf("ParsePath() did not have correct Name %s, wanted %s", file.Name, testcase.filename)
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}
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})
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}
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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 diff2a = `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(diff2a))
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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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func TestGetDiffRangeWithWhitespaceBehavior(t *testing.T) {
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git.Debug = true
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for _, behavior := range []string{"-w", "--ignore-space-at-eol", "-b", ""} {
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diffs, err := GetDiffRangeWithWhitespaceBehavior("./testdata/academic-module", "559c156f8e0178b71cb44355428f24001b08fc68", "bd7063cc7c04689c4d082183d32a604ed27a24f9",
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setting.Git.MaxGitDiffLines, setting.Git.MaxGitDiffLines, setting.Git.MaxGitDiffFiles, behavior)
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assert.NoError(t, err, fmt.Sprintf("Error when diff with %s", behavior))
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for _, f := range diffs.Files {
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assert.True(t, len(f.Sections) > 0, fmt.Sprintf("%s should have sections", f.Name))
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}
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}
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}
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