Monorepo for Tangled
tangled.org
knotserver/git: add common test utilities
makes it easier to setup and teardown git repos for tests
Signed-off-by: oppiliappan <me@oppi.li>
author
oppiliappan
committer
![]()
tangled.org
date
(Feb 6, 2026, 8:11 AM UTC)
commit
d21e9ec6
d21e9ec6a4e7c6c33352fc94f115f2585ecd0473
parent
d3ed18b4
d3ed18b4ca0f83292dc16e32080938a19ff2b2a9
change-id
xkupyqvo
xkupyqvoqyupoprywptpykwynwnpqmlp
+141
+141
knotserver/git/test_common.go
+141
knotserver/git/test_common.go
···
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package git
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import (
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"os"
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"path/filepath"
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"testing"
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"time"
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gogit "github.com/go-git/go-git/v5"
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"github.com/go-git/go-git/v5/plumbing"
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"github.com/go-git/go-git/v5/plumbing/object"
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"github.com/stretchr/testify/require"
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)
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type RepoSuite struct {
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t *testing.T
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tempDir string
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repo *GitRepo
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baseTime time.Time
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}
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func NewRepoSuite(t *testing.T) *RepoSuite {
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tempDir, err := os.MkdirTemp("", "git-test-*")
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require.NoError(t, err)
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return &RepoSuite{
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t: t,
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tempDir: tempDir,
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baseTime: time.Date(2024, 1, 1, 0, 0, 0, 0, time.UTC),
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}
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}
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func (h *RepoSuite) cleanup() {
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if h.tempDir != "" {
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os.RemoveAll(h.tempDir)
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}
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}
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func (h *RepoSuite) init() *GitRepo {
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repoPath := filepath.Join(h.tempDir, "test-repo")
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// initialize repository
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r, err := gogit.PlainInit(repoPath, false)
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require.NoError(h.t, err)
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// configure git user
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cfg, err := r.Config()
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require.NoError(h.t, err)
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cfg.User.Name = "Test User"
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cfg.User.Email = "test@example.com"
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err = r.SetConfig(cfg)
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require.NoError(h.t, err)
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// create initial commit with a file
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w, err := r.Worktree()
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require.NoError(h.t, err)
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// create initial file
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initialFile := filepath.Join(repoPath, "README.md")
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err = os.WriteFile(initialFile, []byte("# Test Repository\n\nInitial content.\n"), 0644)
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require.NoError(h.t, err)
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_, err = w.Add("README.md")
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require.NoError(h.t, err)
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_, err = w.Commit("Initial commit", &gogit.CommitOptions{
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Author: &object.Signature{
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Name: "Test User",
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Email: "test@example.com",
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When: h.baseTime,
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},
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})
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require.NoError(h.t, err)
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gitRepo, err := PlainOpen(repoPath)
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require.NoError(h.t, err)
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h.repo = gitRepo
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return gitRepo
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}
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func (h *RepoSuite) commitFile(filename, content, message string) plumbing.Hash {
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filePath := filepath.Join(h.repo.path, filename)
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dir := filepath.Dir(filePath)
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err := os.MkdirAll(dir, 0755)
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require.NoError(h.t, err)
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err = os.WriteFile(filePath, []byte(content), 0644)
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require.NoError(h.t, err)
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w, err := h.repo.r.Worktree()
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require.NoError(h.t, err)
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_, err = w.Add(filename)
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require.NoError(h.t, err)
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hash, err := w.Commit(message, &gogit.CommitOptions{
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Author: &object.Signature{
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Name: "Test User",
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Email: "test@example.com",
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},
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})
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require.NoError(h.t, err)
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return hash
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}
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func (h *RepoSuite) createAnnotatedTag(name string, commit plumbing.Hash, taggerName, taggerEmail, message string, when time.Time) {
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_, err := h.repo.r.CreateTag(name, commit, &gogit.CreateTagOptions{
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Tagger: &object.Signature{
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Name: taggerName,
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Email: taggerEmail,
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When: when,
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},
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Message: message,
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})
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require.NoError(h.t, err)
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}
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func (h *RepoSuite) createLightweightTag(name string, commit plumbing.Hash) {
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ref := plumbing.NewReferenceFromStrings("refs/tags/"+name, commit.String())
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err := h.repo.r.Storer.SetReference(ref)
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require.NoError(h.t, err)
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}
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func (h *RepoSuite) createBranch(name string, commit plumbing.Hash) {
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ref := plumbing.NewReferenceFromStrings("refs/heads/"+name, commit.String())
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err := h.repo.r.Storer.SetReference(ref)
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require.NoError(h.t, err)
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}
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func (h *RepoSuite) checkoutBranch(name string) {
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w, err := h.repo.r.Worktree()
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require.NoError(h.t, err)
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err = w.Checkout(&gogit.CheckoutOptions{
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Branch: plumbing.NewBranchReferenceName(name),
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})
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require.NoError(h.t, err)
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}