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-rw-r--r--modules/git/repo_attribute_test.go351
1 files changed, 351 insertions, 0 deletions
diff --git a/modules/git/repo_attribute_test.go b/modules/git/repo_attribute_test.go
new file mode 100644
index 00000000..fa341648
--- /dev/null
+++ b/modules/git/repo_attribute_test.go
@@ -0,0 +1,351 @@
+// Copyright 2021 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package git
+
+import (
+ "context"
+ "fmt"
+ "io"
+ "io/fs"
+ "os"
+ "path/filepath"
+ "runtime"
+ "strings"
+ "testing"
+ "time"
+
+ "code.gitea.io/gitea/modules/test"
+
+ "github.com/stretchr/testify/assert"
+ "github.com/stretchr/testify/require"
+)
+
+func TestNewCheckAttrStdoutReader(t *testing.T) {
+ t.Run("two_times", func(t *testing.T) {
+ read := newCheckAttrStdoutReader(strings.NewReader(
+ ".gitignore\x00linguist-vendored\x00unspecified\x00"+
+ ".gitignore\x00linguist-vendored\x00specified",
+ ), 1)
+
+ // first read
+ attr, err := read()
+ require.NoError(t, err)
+ assert.Equal(t, map[string]GitAttribute{
+ "linguist-vendored": GitAttribute("unspecified"),
+ }, attr)
+
+ // second read
+ attr, err = read()
+ require.NoError(t, err)
+ assert.Equal(t, map[string]GitAttribute{
+ "linguist-vendored": GitAttribute("specified"),
+ }, attr)
+ })
+ t.Run("incomplete", func(t *testing.T) {
+ read := newCheckAttrStdoutReader(strings.NewReader(
+ "filename\x00linguist-vendored",
+ ), 1)
+
+ _, err := read()
+ assert.Equal(t, io.ErrUnexpectedEOF, err)
+ })
+ t.Run("three_times", func(t *testing.T) {
+ read := newCheckAttrStdoutReader(strings.NewReader(
+ "shouldbe.vendor\x00linguist-vendored\x00set\x00"+
+ "shouldbe.vendor\x00linguist-generated\x00unspecified\x00"+
+ "shouldbe.vendor\x00linguist-language\x00unspecified\x00",
+ ), 1)
+
+ // first read
+ attr, err := read()
+ require.NoError(t, err)
+ assert.Equal(t, map[string]GitAttribute{
+ "linguist-vendored": GitAttribute("set"),
+ }, attr)
+
+ // second read
+ attr, err = read()
+ require.NoError(t, err)
+ assert.Equal(t, map[string]GitAttribute{
+ "linguist-generated": GitAttribute("unspecified"),
+ }, attr)
+
+ // third read
+ attr, err = read()
+ require.NoError(t, err)
+ assert.Equal(t, map[string]GitAttribute{
+ "linguist-language": GitAttribute("unspecified"),
+ }, attr)
+ })
+}
+
+func TestGitAttributeBareNonBare(t *testing.T) {
+ if !SupportCheckAttrOnBare {
+ t.Skip("git check-attr supported on bare repo starting with git 2.40")
+ }
+
+ repoPath := filepath.Join(testReposDir, "language_stats_repo")
+ gitRepo, err := openRepositoryWithDefaultContext(repoPath)
+ require.NoError(t, err)
+ defer gitRepo.Close()
+
+ for _, commitID := range []string{
+ "8fee858da5796dfb37704761701bb8e800ad9ef3",
+ "341fca5b5ea3de596dc483e54c2db28633cd2f97",
+ } {
+ bareStats, err := gitRepo.GitAttributes(commitID, "i-am-a-python.p", LinguistAttributes...)
+ require.NoError(t, err)
+
+ defer test.MockVariableValue(&SupportCheckAttrOnBare, false)()
+ cloneStats, err := gitRepo.GitAttributes(commitID, "i-am-a-python.p", LinguistAttributes...)
+ require.NoError(t, err)
+
+ assert.EqualValues(t, cloneStats, bareStats)
+ refStats := cloneStats
+
+ t.Run("GitAttributeChecker/"+commitID+"/SupportBare", func(t *testing.T) {
+ bareChecker, err := gitRepo.GitAttributeChecker(commitID, LinguistAttributes...)
+ require.NoError(t, err)
+ defer bareChecker.Close()
+
+ bareStats, err := bareChecker.CheckPath("i-am-a-python.p")
+ require.NoError(t, err)
+ assert.EqualValues(t, refStats, bareStats)
+ })
+ t.Run("GitAttributeChecker/"+commitID+"/NoBareSupport", func(t *testing.T) {
+ defer test.MockVariableValue(&SupportCheckAttrOnBare, false)()
+ cloneChecker, err := gitRepo.GitAttributeChecker(commitID, LinguistAttributes...)
+ require.NoError(t, err)
+ defer cloneChecker.Close()
+
+ cloneStats, err := cloneChecker.CheckPath("i-am-a-python.p")
+ require.NoError(t, err)
+
+ assert.EqualValues(t, refStats, cloneStats)
+ })
+ }
+}
+
+func TestGitAttributes(t *testing.T) {
+ repoPath := filepath.Join(testReposDir, "language_stats_repo")
+ gitRepo, err := openRepositoryWithDefaultContext(repoPath)
+ require.NoError(t, err)
+ defer gitRepo.Close()
+
+ attr, err := gitRepo.GitAttributes("8fee858da5796dfb37704761701bb8e800ad9ef3", "i-am-a-python.p", LinguistAttributes...)
+ require.NoError(t, err)
+ assert.EqualValues(t, map[string]GitAttribute{
+ "gitlab-language": "unspecified",
+ "linguist-detectable": "unspecified",
+ "linguist-documentation": "unspecified",
+ "linguist-generated": "unspecified",
+ "linguist-language": "Python",
+ "linguist-vendored": "unspecified",
+ }, attr)
+
+ attr, err = gitRepo.GitAttributes("341fca5b5ea3de596dc483e54c2db28633cd2f97", "i-am-a-python.p", LinguistAttributes...)
+ require.NoError(t, err)
+ assert.EqualValues(t, map[string]GitAttribute{
+ "gitlab-language": "unspecified",
+ "linguist-detectable": "unspecified",
+ "linguist-documentation": "unspecified",
+ "linguist-generated": "unspecified",
+ "linguist-language": "Cobra",
+ "linguist-vendored": "unspecified",
+ }, attr)
+}
+
+func TestGitAttributeFirst(t *testing.T) {
+ repoPath := filepath.Join(testReposDir, "language_stats_repo")
+ gitRepo, err := openRepositoryWithDefaultContext(repoPath)
+ require.NoError(t, err)
+ defer gitRepo.Close()
+
+ t.Run("first is specified", func(t *testing.T) {
+ language, err := gitRepo.GitAttributeFirst("8fee858da5796dfb37704761701bb8e800ad9ef3", "i-am-a-python.p", "linguist-language", "gitlab-language")
+ require.NoError(t, err)
+ assert.Equal(t, "Python", language.String())
+ })
+
+ t.Run("second is specified", func(t *testing.T) {
+ language, err := gitRepo.GitAttributeFirst("8fee858da5796dfb37704761701bb8e800ad9ef3", "i-am-a-python.p", "gitlab-language", "linguist-language")
+ require.NoError(t, err)
+ assert.Equal(t, "Python", language.String())
+ })
+
+ t.Run("none is specified", func(t *testing.T) {
+ language, err := gitRepo.GitAttributeFirst("8fee858da5796dfb37704761701bb8e800ad9ef3", "i-am-a-python.p", "linguist-detectable", "gitlab-language", "non-existing")
+ require.NoError(t, err)
+ assert.Equal(t, "", language.String())
+ })
+}
+
+func TestGitAttributeStruct(t *testing.T) {
+ assert.Equal(t, "", GitAttribute("").String())
+ assert.Equal(t, "", GitAttribute("unspecified").String())
+
+ assert.Equal(t, "python", GitAttribute("python").String())
+
+ assert.Equal(t, "text?token=Error", GitAttribute("text?token=Error").String())
+ assert.Equal(t, "text", GitAttribute("text?token=Error").Prefix())
+}
+
+func TestGitAttributeCheckerError(t *testing.T) {
+ prepareRepo := func(t *testing.T) *Repository {
+ t.Helper()
+ path := t.TempDir()
+
+ // we can't use unittest.CopyDir because of an import cycle (git.Init in unittest)
+ require.NoError(t, CopyFS(path, os.DirFS(filepath.Join(testReposDir, "language_stats_repo"))))
+
+ gitRepo, err := openRepositoryWithDefaultContext(path)
+ require.NoError(t, err)
+ return gitRepo
+ }
+
+ t.Run("RemoveAll/BeforeRun", func(t *testing.T) {
+ gitRepo := prepareRepo(t)
+ defer gitRepo.Close()
+
+ require.NoError(t, os.RemoveAll(gitRepo.Path))
+
+ ac, err := gitRepo.GitAttributeChecker("", "linguist-language")
+ require.NoError(t, err)
+
+ _, err = ac.CheckPath("i-am-a-python.p")
+ require.Error(t, err)
+ assert.Contains(t, err.Error(), `git check-attr (stderr: ""):`)
+ })
+
+ t.Run("RemoveAll/DuringRun", func(t *testing.T) {
+ gitRepo := prepareRepo(t)
+ defer gitRepo.Close()
+
+ ac, err := gitRepo.GitAttributeChecker("", "linguist-language")
+ require.NoError(t, err)
+
+ // calling CheckPath before would allow git to cache part of it and successfully return later
+ require.NoError(t, os.RemoveAll(gitRepo.Path))
+
+ _, err = ac.CheckPath("i-am-a-python.p")
+ if err == nil {
+ t.Skip(
+ "git check-attr started too fast and CheckPath was successful (and likely cached)",
+ "https://codeberg.org/forgejo/forgejo/issues/2948",
+ )
+ }
+ // Depending on the order of execution, the returned error can be:
+ // - a launch error "fork/exec /usr/bin/git: no such file or directory" (when the removal happens before the Run)
+ // - a git error (stderr: "fatal: Unable to read current working directory: No such file or directory"): exit status 128 (when the removal happens after the Run)
+ // (pipe error "write |1: broken pipe" should be replaced by one of the Run errors above)
+ assert.Contains(t, err.Error(), `git check-attr`)
+ })
+
+ t.Run("Cancelled/BeforeRun", func(t *testing.T) {
+ gitRepo := prepareRepo(t)
+ defer gitRepo.Close()
+
+ var cancel context.CancelFunc
+ gitRepo.Ctx, cancel = context.WithCancel(gitRepo.Ctx)
+ cancel()
+
+ ac, err := gitRepo.GitAttributeChecker("8fee858da5796dfb37704761701bb8e800ad9ef3", "linguist-language")
+ require.NoError(t, err)
+
+ _, err = ac.CheckPath("i-am-a-python.p")
+ require.ErrorIs(t, err, context.Canceled)
+ })
+
+ t.Run("Cancelled/DuringRun", func(t *testing.T) {
+ gitRepo := prepareRepo(t)
+ defer gitRepo.Close()
+
+ var cancel context.CancelFunc
+ gitRepo.Ctx, cancel = context.WithCancel(gitRepo.Ctx)
+
+ ac, err := gitRepo.GitAttributeChecker("8fee858da5796dfb37704761701bb8e800ad9ef3", "linguist-language")
+ require.NoError(t, err)
+
+ attr, err := ac.CheckPath("i-am-a-python.p")
+ require.NoError(t, err)
+ assert.Equal(t, "Python", attr["linguist-language"].String())
+
+ errCh := make(chan error)
+ go func() {
+ cancel()
+
+ for err == nil {
+ _, err = ac.CheckPath("i-am-a-python.p")
+ runtime.Gosched() // the cancellation must have time to propagate
+ }
+ errCh <- err
+ }()
+
+ select {
+ case <-time.After(time.Second):
+ t.Error("CheckPath did not complete within 1s")
+ case err = <-errCh:
+ require.ErrorIs(t, err, context.Canceled)
+ }
+ })
+
+ t.Run("Closed/BeforeRun", func(t *testing.T) {
+ gitRepo := prepareRepo(t)
+ defer gitRepo.Close()
+
+ ac, err := gitRepo.GitAttributeChecker("8fee858da5796dfb37704761701bb8e800ad9ef3", "linguist-language")
+ require.NoError(t, err)
+
+ require.NoError(t, ac.Close())
+
+ _, err = ac.CheckPath("i-am-a-python.p")
+ require.ErrorIs(t, err, fs.ErrClosed)
+ })
+
+ t.Run("Closed/DuringRun", func(t *testing.T) {
+ gitRepo := prepareRepo(t)
+ defer gitRepo.Close()
+
+ ac, err := gitRepo.GitAttributeChecker("8fee858da5796dfb37704761701bb8e800ad9ef3", "linguist-language")
+ require.NoError(t, err)
+
+ attr, err := ac.CheckPath("i-am-a-python.p")
+ require.NoError(t, err)
+ assert.Equal(t, "Python", attr["linguist-language"].String())
+
+ require.NoError(t, ac.Close())
+
+ _, err = ac.CheckPath("i-am-a-python.p")
+ require.ErrorIs(t, err, fs.ErrClosed)
+ })
+}
+
+// CopyFS is adapted from https://github.com/golang/go/issues/62484
+// which should be available with go1.23
+func CopyFS(dir string, fsys fs.FS) error {
+ return fs.WalkDir(fsys, ".", func(path string, d fs.DirEntry, _ error) error {
+ targ := filepath.Join(dir, filepath.FromSlash(path))
+ if d.IsDir() {
+ return os.MkdirAll(targ, 0o777)
+ }
+ r, err := fsys.Open(path)
+ if err != nil {
+ return err
+ }
+ defer r.Close()
+ info, err := r.Stat()
+ if err != nil {
+ return err
+ }
+ w, err := os.OpenFile(targ, os.O_CREATE|os.O_TRUNC|os.O_WRONLY, 0o666|info.Mode()&0o777)
+ if err != nil {
+ return err
+ }
+ if _, err := io.Copy(w, r); err != nil {
+ w.Close()
+ return fmt.Errorf("copying %s: %v", path, err)
+ }
+ return w.Close()
+ })
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-22 03:33:42 +0000