package trim

import (
	"context"
	"errors"
	"path/filepath"
	"testing"

	"gitea.maximumdirect.net/eric/seriatim/internal/config"
)

func TestRunReturnsContextErrorBeforeWork(t *testing.T) {
	dir := t.TempDir()
	ctx, cancel := context.WithCancel(context.Background())
	cancel()

	err := Run(ctx, config.TrimConfig{
		InputFile:    filepath.Join(dir, "input.json"),
		OutputFile:   filepath.Join(dir, "output.json"),
		Mode:         "keep",
		Selector:     "1",
		OutputSchema: "",
		AllowEmpty:   false,
	})
	if !errors.Is(err, context.Canceled) {
		t.Fatalf("error = %v, want context.Canceled", err)
	}
}