fix(internet): ensure domainWord always returns a valid value in all locales (#3253)

1 files changed, 12 insertions, 1 deletions

diff --git a/test/modules/internet.spec.ts b/test/modules/internet.spec.ts
index 84ded3d4..cade8ddf 100644
--- a/test/modules/internet.spec.ts
+++ b/test/modules/internet.spec.ts
@@ -1,6 +1,6 @@
 import validator from 'validator';
 import { describe, expect, it } from 'vitest';
-import { allFakers, faker } from '../../src';
+import { allFakers, faker, fakerKO } from '../../src';
 import { FakerError } from '../../src/errors/faker-error';
 import { IPv4Network } from '../../src/modules/internet';
 import { seededTests } from '../support/seeded-runs';
@@ -667,6 +667,17 @@ describe('internet', () => {
             validator.isFQDN(value, { require_tld: false })
           );
         });
+
+        it('should return a lower-case domain in non-ASCII locales', () => {
+          const domainWord = fakerKO.internet.domainWord();
+
+          expect(domainWord).toBeTruthy();
+          expect(domainWord).toBeTypeOf('string');
+          expect(domainWord).toSatisfy(validator.isSlug);
+          expect(domainWord).toSatisfy((value: string) =>
+            validator.isFQDN(value, { require_tld: false })
+          );
+        });
       });
 
       describe('ip()', () => {