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package sync
import (
"os/exec"
"strings"
"testing"
)
func TestGitCommand_SetsDir(t *testing.T) {
cmd := gitCommand("/tmp/example-repo", "status")
if cmd.Dir != "/tmp/example-repo" {
t.Fatalf("expected command dir to be set, got %q", cmd.Dir)
}
}
func TestGitCommand_LeavesDirEmptyForGlobalCommands(t *testing.T) {
cmd := gitCommand("", "ls-remote", "--tags", "origin", "v1.0.0")
if cmd.Dir != "" {
t.Fatalf("expected empty dir for global command, got %q", cmd.Dir)
}
}
func TestParseTagHashOutput_EmptyOutput(t *testing.T) {
for _, in := range [][]byte{nil, []byte(""), []byte(" \n\t \n")} {
hash, err := parseTagHashOutput(in, "v1.0.0", "origin")
if err == nil {
t.Fatalf("expected error for empty output %q, got hash %q", in, hash)
}
if hash != "" {
t.Fatalf("expected empty hash for empty output, got %q", hash)
}
if !strings.Contains(err.Error(), "v1.0.0") || !strings.Contains(err.Error(), "origin") {
t.Fatalf("expected error to mention tag and source, got %v", err)
}
}
}
func TestParseTagHashOutput_ReturnsFirstField(t *testing.T) {
hash, err := parseTagHashOutput([]byte("abc123\trefs/tags/v1.0.0\n"), "v1.0.0", "origin")
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if hash != "abc123" {
t.Fatalf("expected hash %q, got %q", "abc123", hash)
}
}
func TestGetTagCommitHash_LocalTagPeelsToCommitHash(t *testing.T) {
repoPath := t.TempDir()
runGit(t, repoPath, "init")
runGit(t, repoPath, "-c", "user.name=Test", "-c", "user.email=test@example.com", "commit", "--allow-empty", "-m", "initial commit")
runGit(t, repoPath, "tag", "-a", "v1.0.0", "-m", "release v1.0.0")
headHash := runGit(t, repoPath, "rev-parse", "HEAD")
tagHash, err := getTagCommitHash(repoPath, "v1.0.0", "local")
if err != nil {
t.Fatalf("expected local tag hash lookup to succeed, got error: %v", err)
}
if tagHash != headHash {
t.Fatalf("expected peeled local tag hash %q, got %q", headHash, tagHash)
}
}
func TestGetTagCommitHash_LocalTagMissingReturnsError(t *testing.T) {
repoPath := t.TempDir()
runGit(t, repoPath, "init")
tagHash, err := getTagCommitHash(repoPath, "v9.9.9", "local")
if err == nil {
t.Fatalf("expected error for missing local tag, got hash %q", tagHash)
}
if tagHash != "" {
t.Fatalf("expected empty hash for missing local tag, got %q", tagHash)
}
}
func runGit(t *testing.T, repoPath string, args ...string) string {
t.Helper()
cmd := exec.Command("git", args...)
cmd.Dir = repoPath
output, err := cmd.CombinedOutput()
if err != nil {
t.Fatalf("git %v failed: %v\n%s", args, err, string(output))
}
return strings.TrimSpace(string(output))
}
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