package gitx

import (
	"context"
	"os"
	"os/exec"
	"strings"
	"testing"
	"time"
)

// runStin 跑一条带 stdin 的 git 命令并返回去空格后的输出。
func runStdin(t *testing.T, dir, stdin string, args ...string) string {
	t.Helper()
	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
	defer cancel()
	cmd := exec.CommandContext(ctx, "git", args...)
	cmd.Dir = dir
	cmd.Stdin = strings.NewReader(stdin)
	cmd.Env = append(os.Environ(),
		"GIT_AUTHOR_NAME=t", "GIT_AUTHOR_EMAIL=t@gitcat.local",
		"GIT_COMMITTER_NAME=t", "GIT_COMMITTER_EMAIL=t@gitcat.local")
	out, err := cmd.CombinedOutput()
	if err != nil {
		t.Fatalf("git %s 失败: %v\n%s", strings.Join(args, " "), err, out)
	}
	return strings.TrimSpace(string(out))
}