diff --git a/test/stringify.spec.ts b/test/stringify.spec.ts
new file mode 100644
index 0000000..14104ea
--- /dev/null
+++ b/test/stringify.spec.ts
@@ -0,0 +1,8 @@
+import { expect } from 'chai';
+import { stringify } from '../src';
+
+describe('stringify', () => {
+  it('should be a function', () => {
+    expect(stringify).to.be.a('function');
+  });
+});