diff --git a/src/__tests__/index.spec.ts b/src/__tests__/index.spec.ts
new file mode 100644
index 0000000..0b08a1a
--- /dev/null
+++ b/src/__tests__/index.spec.ts
@@ -0,0 +1,20 @@
+// import {describe, expect, test} from '@jest/globals';
+import { getPasswordStrengthLabel } from '../PasswordStrengthInput';
+
+describe('check valid url', () => {
+  test('tooWeak label', () => {
+    expect(getPasswordStrengthLabel('tooWeak')).toBe('Too weak');
+  });
+
+  test('weak label', () => {
+    expect(getPasswordStrengthLabel('weak')).toBe('Weak');
+  });
+
+  test('medium label', () => {
+    expect(getPasswordStrengthLabel('medium')).toBe('Okay');
+  });
+
+  test('strong label', () => {
+    expect(getPasswordStrengthLabel('strong')).toBe('Strong');
+  });
+});