✨ Added sqltest testing util

internal/testing/sqltest/sqltest.go

@@ -0,0 +1,28 @@
+package sqltest
+
+import (
+	"testing"
+
+	"github.com/jmoiron/sqlx"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	_ "modernc.org/sqlite"
+)
+
+// Open creates a new InMemory sqlite3 database for testing.
+func Open(tb testing.TB) (*sqlx.DB, func()) {
+	tb.Helper()
+
+	db, err := sqlx.Open("sqlite", ":memory:")
+	require.NoError(tb, err)
+
+	if !assert.NoError(tb, db.Ping()) {
+		_ = db.Close() //nolint: errcheck
+
+		tb.FailNow()
+	}
+
+	return db, func() {
+		_ = db.Close() //nolint: errcheck
+	}
+}