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forgejo/services/gitdiff/gitdiff_test.go
oliverpool 07bc099401 [BUG] split code conversations in diff tab (#2306) 
Follow-up of #2282 and #2296 (which tried to address #2278)

One of the issue with the previous PR is that when a conversation on the Files tab was marked as "resolved", it would fetch all the comments for that line (even the outdated ones, which should not be shown on this page - except when explicitly activated).

To properly fix this, I have changed `FetchCodeCommentsByLine` to `FetchCodeConversation`. Its role is to fetch all comments related to a given (review, path, line) and reverted my changes in the template (which were based on a misunderstanding).

Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/2306
Reviewed-by: Earl Warren <earl-warren@noreply.codeberg.org>
Reviewed-by: Gusted <gusted@noreply.codeberg.org>
Co-authored-by: oliverpool <git@olivier.pfad.fr>
Co-committed-by: oliverpool <git@olivier.pfad.fr>
2024-02-16 14:06:43 +01:00

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// Copyright 2014 The Gogs Authors. All rights reserved.
// Copyright 2019 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package gitdiff
import (
"fmt"
"strconv"
"strings"
"testing"
"code.gitea.io/gitea/models/db"
issues_model "code.gitea.io/gitea/models/issues"
"code.gitea.io/gitea/models/unittest"
user_model "code.gitea.io/gitea/models/user"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/json"
"code.gitea.io/gitea/modules/setting"
dmp "github.com/sergi/go-diff/diffmatchpatch"
"github.com/stretchr/testify/assert"
)
func TestDiffToHTML(t *testing.T) {
assert.Equal(t, "foo <span class=\"added-code\">bar</span> biz", diffToHTML(nil, []dmp.Diff{
{Type: dmp.DiffEqual, Text: "foo "},
{Type: dmp.DiffInsert, Text: "bar"},
{Type: dmp.DiffDelete, Text: " baz"},
{Type: dmp.DiffEqual, Text: " biz"},
}, DiffLineAdd))
assert.Equal(t, "foo <span class=\"removed-code\">bar</span> biz", diffToHTML(nil, []dmp.Diff{
{Type: dmp.DiffEqual, Text: "foo "},
{Type: dmp.DiffDelete, Text: "bar"},
{Type: dmp.DiffInsert, Text: " baz"},
{Type: dmp.DiffEqual, Text: " biz"},
}, DiffLineDel))
}
func TestParsePatch_skipTo(t *testing.T) {
type testcase struct {
name string
gitdiff string
wantErr bool
addition int
deletion int
oldFilename string
filename string
skipTo string
}
tests := []testcase{
{
name: "readme.md2readme.md",
gitdiff: `diff --git "a/A \\ B" "b/A \\ B"
--- "a/A \\ B"
+++ "b/A \\ B"
@@ -1,3 +1,6 @@
# gitea-github-migrator
+
+ Build Status
- Latest Release
Docker Pulls
+ cut off
+ cut off
diff --git "\\a/README.md" "\\b/README.md"
--- "\\a/README.md"
+++ "\\b/README.md"
@@ -1,3 +1,6 @@
# gitea-github-migrator
+
+ Build Status
- Latest Release
Docker Pulls
+ cut off
+ cut off
`,
addition: 4,
deletion: 1,
filename: "README.md",
oldFilename: "README.md",
skipTo: "README.md",
},
{
name: "A \\ B",
gitdiff: `diff --git "a/A \\ B" "b/A \\ B"
--- "a/A \\ B"
+++ "b/A \\ B"
@@ -1,3 +1,6 @@
# gitea-github-migrator
+
+ Build Status
- Latest Release
Docker Pulls
+ cut off
+ cut off`,
addition: 4,
deletion: 1,
filename: "A \\ B",
oldFilename: "A \\ B",
skipTo: "A \\ B",
},
{
name: "A \\ B",
gitdiff: `diff --git "\\a/README.md" "\\b/README.md"
--- "\\a/README.md"
+++ "\\b/README.md"
@@ -1,3 +1,6 @@
# gitea-github-migrator
+
+ Build Status
- Latest Release
Docker Pulls
+ cut off
+ cut off
diff --git "a/A \\ B" "b/A \\ B"
--- "a/A \\ B"
+++ "b/A \\ B"
@@ -1,3 +1,6 @@
# gitea-github-migrator
+
+ Build Status
- Latest Release
Docker Pulls
+ cut off
+ cut off`,
addition: 4,
deletion: 1,
filename: "A \\ B",
oldFilename: "A \\ B",
skipTo: "A \\ B",
},
{
name: "readme.md2readme.md",
gitdiff: `diff --git "a/A \\ B" "b/A \\ B"
--- "a/A \\ B"
+++ "b/A \\ B"
@@ -1,3 +1,6 @@
# gitea-github-migrator
+
+ Build Status
- Latest Release
Docker Pulls
+ cut off
+ cut off
diff --git "a/A \\ B" "b/A \\ B"
--- "a/A \\ B"
+++ "b/A \\ B"
@@ -1,3 +1,6 @@
# gitea-github-migrator
+
+ Build Status
- Latest Release
Docker Pulls
+ cut off
+ cut off
diff --git "\\a/README.md" "\\b/README.md"
--- "\\a/README.md"
+++ "\\b/README.md"
@@ -1,3 +1,6 @@
# gitea-github-migrator
+
+ Build Status
- Latest Release
Docker Pulls
+ cut off
+ cut off
`,
addition: 4,
deletion: 1,
filename: "README.md",
oldFilename: "README.md",
skipTo: "README.md",
},
}
for _, testcase := range tests {
t.Run(testcase.name, func(t *testing.T) {
got, err := ParsePatch(setting.Git.MaxGitDiffLines, setting.Git.MaxGitDiffLineCharacters, setting.Git.MaxGitDiffFiles, strings.NewReader(testcase.gitdiff), testcase.skipTo)
if (err != nil) != testcase.wantErr {
t.Errorf("ParsePatch(%q) error = %v, wantErr %v", testcase.name, err, testcase.wantErr)
return
}
gotMarshaled, _ := json.MarshalIndent(got, "", " ")
if got.NumFiles != 1 {
t.Errorf("ParsePath(%q) did not receive 1 file:\n%s", testcase.name, string(gotMarshaled))
return
}
if got.TotalAddition != testcase.addition {
t.Errorf("ParsePath(%q) does not have correct totalAddition %d, wanted %d", testcase.name, got.TotalAddition, testcase.addition)
}
if got.TotalDeletion != testcase.deletion {
t.Errorf("ParsePath(%q) did not have correct totalDeletion %d, wanted %d", testcase.name, got.TotalDeletion, testcase.deletion)
}
file := got.Files[0]
if file.Addition != testcase.addition {
t.Errorf("ParsePath(%q) does not have correct file addition %d, wanted %d", testcase.name, file.Addition, testcase.addition)
}
if file.Deletion != testcase.deletion {
t.Errorf("ParsePath(%q) did not have correct file deletion %d, wanted %d", testcase.name, file.Deletion, testcase.deletion)
}
if file.OldName != testcase.oldFilename {
t.Errorf("ParsePath(%q) did not have correct OldName %q, wanted %q", testcase.name, file.OldName, testcase.oldFilename)
}
if file.Name != testcase.filename {
t.Errorf("ParsePath(%q) did not have correct Name %q, wanted %q", testcase.name, file.Name, testcase.filename)
}
})
}
}
func TestParsePatch_singlefile(t *testing.T) {
type testcase struct {
name string
gitdiff string
wantErr bool
addition int
deletion int
oldFilename string
filename string
}
tests := []testcase{
{
name: "readme.md2readme.md",
gitdiff: `diff --git "\\a/README.md" "\\b/README.md"
--- "\\a/README.md"
+++ "\\b/README.md"
@@ -1,3 +1,6 @@
# gitea-github-migrator
+
+ Build Status
- Latest Release
Docker Pulls
+ cut off
+ cut off
`,
addition: 4,
deletion: 1,
filename: "README.md",
oldFilename: "README.md",
},
{
name: "A \\ B",
gitdiff: `diff --git "a/A \\ B" "b/A \\ B"
--- "a/A \\ B"
+++ "b/A \\ B"
@@ -1,3 +1,6 @@
# gitea-github-migrator
+
+ Build Status
- Latest Release
Docker Pulls
+ cut off
+ cut off`,
addition: 4,
deletion: 1,
filename: "A \\ B",
oldFilename: "A \\ B",
},
{
name: "really weird filename",
gitdiff: `diff --git "\\a/a b/file b/a a/file" "\\b/a b/file b/a a/file"
index d2186f1..f5c8ed2 100644
--- "\\a/a b/file b/a a/file" ` + `
+++ "\\b/a b/file b/a a/file" ` + `
@@ -1,3 +1,2 @@
Create a weird file.
` + `
-and what does diff do here?
\ No newline at end of file`,
addition: 0,
deletion: 1,
filename: "a b/file b/a a/file",
oldFilename: "a b/file b/a a/file",
},
{
name: "delete file with blanks",
gitdiff: `diff --git "\\a/file with blanks" "\\b/file with blanks"
deleted file mode 100644
index 898651a..0000000
--- "\\a/file with blanks" ` + `
+++ /dev/null
@@ -1,5 +0,0 @@
-a blank file
-
-has a couple o line
-
-the 5th line is the last
`,
addition: 0,
deletion: 5,
filename: "file with blanks",
oldFilename: "file with blanks",
},
{
name: "rename a—as",
gitdiff: `diff --git "a/\360\243\220\265b\342\200\240vs" "b/a\342\200\224as"
similarity index 100%
rename from "\360\243\220\265b\342\200\240vs"
rename to "a\342\200\224as"
`,
addition: 0,
deletion: 0,
oldFilename: "𣐵b†vs",
filename: "a—as",
},
{
name: "rename with spaces",
gitdiff: `diff --git "\\a/a b/file b/a a/file" "\\b/a b/a a/file b/b file"
similarity index 100%
rename from a b/file b/a a/file
rename to a b/a a/file b/b file
`,
oldFilename: "a b/file b/a a/file",
filename: "a b/a a/file b/b file",
},
{
name: "ambiguous deleted",
gitdiff: `diff --git a/b b/b b/b b/b
deleted file mode 100644
index 92e798b..0000000
--- a/b b/b` + "\t" + `
+++ /dev/null
@@ -1 +0,0 @@
-b b/b
`,
oldFilename: "b b/b",
filename: "b b/b",
addition: 0,
deletion: 1,
},
{
name: "ambiguous addition",
gitdiff: `diff --git a/b b/b b/b b/b
new file mode 100644
index 0000000..92e798b
--- /dev/null
+++ b/b b/b` + "\t" + `
@@ -0,0 +1 @@
+b b/b
`,
oldFilename: "b b/b",
filename: "b b/b",
addition: 1,
deletion: 0,
},
{
name: "rename",
gitdiff: `diff --git a/b b/b b/b b/b b/b b/b
similarity index 100%
rename from b b/b b/b b/b b/b
rename to b
`,
oldFilename: "b b/b b/b b/b b/b",
filename: "b",
},
{
name: "ambiguous 1",
gitdiff: `diff --git a/b b/b b/b b/b b/b b/b
similarity index 100%
rename from b b/b b/b b/b b/b
rename to b
`,
oldFilename: "b b/b b/b b/b b/b",
filename: "b",
},
{
name: "ambiguous 2",
gitdiff: `diff --git a/b b/b b/b b/b b/b b/b
similarity index 100%
rename from b b/b b/b b/b
rename to b b/b
`,
oldFilename: "b b/b b/b b/b",
filename: "b b/b",
},
{
name: "minuses-and-pluses",
gitdiff: `diff --git a/minuses-and-pluses b/minuses-and-pluses
index 6961180..9ba1a00 100644
--- a/minuses-and-pluses
+++ b/minuses-and-pluses
@@ -1,4 +1,4 @@
--- 1st line
-++ 2nd line
--- 3rd line
-++ 4th line
+++ 1st line
+-- 2nd line
+++ 3rd line
+-- 4th line
`,
oldFilename: "minuses-and-pluses",
filename: "minuses-and-pluses",
addition: 4,
deletion: 4,
},
}
for _, testcase := range tests {
t.Run(testcase.name, func(t *testing.T) {
got, err := ParsePatch(setting.Git.MaxGitDiffLines, setting.Git.MaxGitDiffLineCharacters, setting.Git.MaxGitDiffFiles, strings.NewReader(testcase.gitdiff), "")
if (err != nil) != testcase.wantErr {
t.Errorf("ParsePatch(%q) error = %v, wantErr %v", testcase.name, err, testcase.wantErr)
return
}
gotMarshaled, _ := json.MarshalIndent(got, "", " ")
if got.NumFiles != 1 {
t.Errorf("ParsePath(%q) did not receive 1 file:\n%s", testcase.name, string(gotMarshaled))
return
}
if got.TotalAddition != testcase.addition {
t.Errorf("ParsePath(%q) does not have correct totalAddition %d, wanted %d", testcase.name, got.TotalAddition, testcase.addition)
}
if got.TotalDeletion != testcase.deletion {
t.Errorf("ParsePath(%q) did not have correct totalDeletion %d, wanted %d", testcase.name, got.TotalDeletion, testcase.deletion)
}
file := got.Files[0]
if file.Addition != testcase.addition {
t.Errorf("ParsePath(%q) does not have correct file addition %d, wanted %d", testcase.name, file.Addition, testcase.addition)
}
if file.Deletion != testcase.deletion {
t.Errorf("ParsePath(%q) did not have correct file deletion %d, wanted %d", testcase.name, file.Deletion, testcase.deletion)
}
if file.OldName != testcase.oldFilename {
t.Errorf("ParsePath(%q) did not have correct OldName %q, wanted %q", testcase.name, file.OldName, testcase.oldFilename)
}
if file.Name != testcase.filename {
t.Errorf("ParsePath(%q) did not have correct Name %q, wanted %q", testcase.name, file.Name, testcase.filename)
}
})
}
// Test max lines
diffBuilder := &strings.Builder{}
diff := `diff --git a/newfile2 b/newfile2
new file mode 100644
index 0000000..6bb8f39
--- /dev/null
+++ b/newfile2
@@ -0,0 +1,35 @@
`
diffBuilder.WriteString(diff)
for i := 0; i < 35; i++ {
diffBuilder.WriteString("+line" + strconv.Itoa(i) + "\n")
}
diff = diffBuilder.String()
result, err := ParsePatch(20, setting.Git.MaxGitDiffLineCharacters, setting.Git.MaxGitDiffFiles, strings.NewReader(diff), "")
if err != nil {
t.Errorf("There should not be an error: %v", err)
}
if !result.Files[0].IsIncomplete {
t.Errorf("Files should be incomplete! %v", result.Files[0])
}
result, err = ParsePatch(40, setting.Git.MaxGitDiffLineCharacters, setting.Git.MaxGitDiffFiles, strings.NewReader(diff), "")
if err != nil {
t.Errorf("There should not be an error: %v", err)
}
if result.Files[0].IsIncomplete {
t.Errorf("Files should not be incomplete! %v", result.Files[0])
}
result, err = ParsePatch(40, 5, setting.Git.MaxGitDiffFiles, strings.NewReader(diff), "")
if err != nil {
t.Errorf("There should not be an error: %v", err)
}
if !result.Files[0].IsIncomplete {
t.Errorf("Files should be incomplete! %v", result.Files[0])
}
// Test max characters
diff = `diff --git a/newfile2 b/newfile2
new file mode 100644
index 0000000..6bb8f39
--- /dev/null
+++ b/newfile2
@@ -0,0 +1,35 @@
`
diffBuilder.Reset()
diffBuilder.WriteString(diff)
for i := 0; i < 33; i++ {
diffBuilder.WriteString("+line" + strconv.Itoa(i) + "\n")
}
diffBuilder.WriteString("+line33")
for i := 0; i < 512; i++ {
diffBuilder.WriteString("0123456789ABCDEF")
}
diffBuilder.WriteByte('\n')
diffBuilder.WriteString("+line" + strconv.Itoa(34) + "\n")
diffBuilder.WriteString("+line" + strconv.Itoa(35) + "\n")
diff = diffBuilder.String()
result, err = ParsePatch(20, 4096, setting.Git.MaxGitDiffFiles, strings.NewReader(diff), "")
if err != nil {
t.Errorf("There should not be an error: %v", err)
}
if !result.Files[0].IsIncomplete {
t.Errorf("Files should be incomplete! %v", result.Files[0])
}
result, err = ParsePatch(40, 4096, setting.Git.MaxGitDiffFiles, strings.NewReader(diff), "")
if err != nil {
t.Errorf("There should not be an error: %v", err)
}
if !result.Files[0].IsIncomplete {
t.Errorf("Files should be incomplete! %v", result.Files[0])
}
diff = `diff --git "a/README.md" "b/README.md"
--- a/README.md
+++ b/README.md
@@ -1,3 +1,6 @@
# gitea-github-migrator
+
+ Build Status
- Latest Release
Docker Pulls
+ cut off
+ cut off`
_, err = ParsePatch(setting.Git.MaxGitDiffLines, setting.Git.MaxGitDiffLineCharacters, setting.Git.MaxGitDiffFiles, strings.NewReader(diff), "")
if err != nil {
t.Errorf("ParsePatch failed: %s", err)
}
diff2 := `diff --git "a/A \\ B" "b/A \\ B"
--- "a/A \\ B"
+++ "b/A \\ B"
@@ -1,3 +1,6 @@
# gitea-github-migrator
+
+ Build Status
- Latest Release
Docker Pulls
+ cut off
+ cut off`
_, err = ParsePatch(setting.Git.MaxGitDiffLines, setting.Git.MaxGitDiffLineCharacters, setting.Git.MaxGitDiffFiles, strings.NewReader(diff2), "")
if err != nil {
t.Errorf("ParsePatch failed: %s", err)
}
diff2a := `diff --git "a/A \\ B" b/A/B
--- "a/A \\ B"
+++ b/A/B
@@ -1,3 +1,6 @@
# gitea-github-migrator
+
+ Build Status
- Latest Release
Docker Pulls
+ cut off
+ cut off`
_, err = ParsePatch(setting.Git.MaxGitDiffLines, setting.Git.MaxGitDiffLineCharacters, setting.Git.MaxGitDiffFiles, strings.NewReader(diff2a), "")
if err != nil {
t.Errorf("ParsePatch failed: %s", err)
}
diff3 := `diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -1,3 +1,6 @@
# gitea-github-migrator
+
+ Build Status
- Latest Release
Docker Pulls
+ cut off
+ cut off`
_, err = ParsePatch(setting.Git.MaxGitDiffLines, setting.Git.MaxGitDiffLineCharacters, setting.Git.MaxGitDiffFiles, strings.NewReader(diff3), "")
if err != nil {
t.Errorf("ParsePatch failed: %s", err)
}
}
func setupDefaultDiff() *Diff {
return &Diff{
Files: []*DiffFile{
{
Name: "README.md",
Sections: []*DiffSection{
{
Lines: []*DiffLine{
{
LeftIdx: 4,
RightIdx: 4,
},
},
},
},
},
},
}
}
func TestDiff_LoadCommentsNoOutdated(t *testing.T) {
assert.NoError(t, unittest.PrepareTestDatabase())
issue := unittest.AssertExistsAndLoadBean(t, &issues_model.Issue{ID: 2})
user := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 1})
diff := setupDefaultDiff()
assert.NoError(t, diff.LoadComments(db.DefaultContext, issue, user, false))
assert.Len(t, diff.Files[0].Sections[0].Lines[0].Conversations, 2)
}
func TestDiff_LoadCommentsWithOutdated(t *testing.T) {
assert.NoError(t, unittest.PrepareTestDatabase())
issue := unittest.AssertExistsAndLoadBean(t, &issues_model.Issue{ID: 2})
user := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 1})
diff := setupDefaultDiff()
assert.NoError(t, diff.LoadComments(db.DefaultContext, issue, user, true))
assert.Len(t, diff.Files[0].Sections[0].Lines[0].Conversations, 2)
assert.Len(t, diff.Files[0].Sections[0].Lines[0].Conversations[0], 2)
assert.Len(t, diff.Files[0].Sections[0].Lines[0].Conversations[1], 1)
}
func TestDiffLine_CanComment(t *testing.T) {
assert.False(t, (&DiffLine{Type: DiffLineSection}).CanComment())
assert.False(t, (&DiffLine{Type: DiffLineAdd, Conversations: []issues_model.CodeConversation{{{Content: "bla"}}}}).CanComment())
assert.True(t, (&DiffLine{Type: DiffLineAdd}).CanComment())
assert.True(t, (&DiffLine{Type: DiffLineDel}).CanComment())
assert.True(t, (&DiffLine{Type: DiffLinePlain}).CanComment())
}
func TestDiffLine_GetCommentSide(t *testing.T) {
assert.Equal(t, "previous", (&DiffLine{Conversations: []issues_model.CodeConversation{{{Line: -3}}}}).GetCommentSide())
assert.Equal(t, "proposed", (&DiffLine{Conversations: []issues_model.CodeConversation{{{Line: 3}}}}).GetCommentSide())
}
func TestGetDiffRangeWithWhitespaceBehavior(t *testing.T) {
gitRepo, err := git.OpenRepository(git.DefaultContext, "./testdata/academic-module")
if !assert.NoError(t, err) {
return
}
defer gitRepo.Close()
for _, behavior := range []git.TrustedCmdArgs{{"-w"}, {"--ignore-space-at-eol"}, {"-b"}, nil} {
diffs, err := GetDiff(gitRepo,
&DiffOptions{
AfterCommitID: "bd7063cc7c04689c4d082183d32a604ed27a24f9",
BeforeCommitID: "559c156f8e0178b71cb44355428f24001b08fc68",
MaxLines: setting.Git.MaxGitDiffLines,
MaxLineCharacters: setting.Git.MaxGitDiffLineCharacters,
MaxFiles: setting.Git.MaxGitDiffFiles,
WhitespaceBehavior: behavior,
})
assert.NoError(t, err, fmt.Sprintf("Error when diff with %s", behavior))
for _, f := range diffs.Files {
assert.True(t, len(f.Sections) > 0, fmt.Sprintf("%s should have sections", f.Name))
}
}
}
func TestNoCrashes(t *testing.T) {
type testcase struct {
gitdiff string
}
tests := []testcase{
{
gitdiff: "diff --git \n--- a\t\n",
},
{
gitdiff: "diff --git \"0\n",
},
}
for _, testcase := range tests {
// It shouldn't crash, so don't care about the output.
ParsePatch(setting.Git.MaxGitDiffLines, setting.Git.MaxGitDiffLineCharacters, setting.Git.MaxGitDiffFiles, strings.NewReader(testcase.gitdiff), "")
}
}
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