package db

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

func TestOpenAndMigrate(t *testing.T) {
	path := filepath.Join(t.TempDir(), "test.db")
	d, err := Open(path)
	if err != nil {
		t.Fatalf("open: %v", err)
	}
	defer d.Close()

	if err := d.Migrate(context.Background()); err != nil {
		t.Fatalf("migrate: %v", err)
	}
	// Idempotent.
	if err := d.Migrate(context.Background()); err != nil {
		t.Fatalf("migrate twice: %v", err)
	}
	row := d.QueryRow(`SELECT COUNT(*) FROM schema_migrations`)
	var n int
	if err := row.Scan(&n); err != nil {
		t.Fatalf("scan: %v", err)
	}
	if n < 1 {
		t.Fatalf("expected migrations applied, got %d", n)
	}
}