diff --git a/src/modules/pwned/pwned.service.spec.ts b/src/modules/pwned/pwned.service.spec.ts
new file mode 100644
index 000000000..a422fdb9a
--- /dev/null
+++ b/src/modules/pwned/pwned.service.spec.ts
@@ -0,0 +1,18 @@
+import { PwnedService } from './pwned.service';
+
+const pwnedService = new PwnedService();
+
+describe('PwnedService', () => {
+  describe('isPasswordSafe', () => {
+    it('unsafe password', async () => {
+      const safe = await pwnedService.isPasswordSafe('password123');
+      expect(safe).toBeFalsy();
+    });
+    it('safe password', async () => {
+      const safe = await pwnedService.isPasswordSafe(
+        Math.random().toString(36).slice(2),
+      );
+      expect(safe).toBeTruthy();
+    });
+  });
+});