fix: fake behavior with special replacement patterns (#688)

1 files changed, 34 insertions, 0 deletions

diff --git a/test/fake.spec.ts b/test/fake.spec.ts
index a78940ea..530d09d2 100644
--- a/test/fake.spec.ts
+++ b/test/fake.spec.ts
@@ -50,5 +50,39 @@ describe('fake', () => {
     it('should be able to return empty strings', () => {
       expect(faker.fake('{{helpers.repeatString}}')).toBe('');
     });
+
+    it('should be able to handle only {{ brackets', () => {
+      expect(faker.fake('{{hello')).toBe('{{hello');
+      expect(faker.fake('hello{{')).toBe('hello{{');
+    });
+
+    it('should be able to handle only }} brackets', () => {
+      expect(faker.fake('hello}}')).toBe('hello}}');
+      expect(faker.fake('}}hello')).toBe('}}hello');
+    });
+
+    it('should be able to handle reverted brackets', () => {
+      expect(faker.fake('}}hello{{')).toBe('}}hello{{');
+    });
+
+    it('should be able to handle random }} brackets', () => {
+      expect(faker.fake('}}hello{{random.alpha}}')).toMatch(/^}}hello[a-z]$/);
+    });
+
+    it('should be able to handle connected brackets', () => {
+      expect(faker.fake('{{{random.alpha}}}')).toMatch(/^{[a-z]}$/);
+    });
+
+    it('should be able to handle empty brackets', () => {
+      expect(faker.fake('{{}}')).toBe('{{}}');
+    });
+
+    it('should be able to handle special replacement patterns', () => {
+      (faker.random as any).special = () => '$&';
+
+      expect(faker.fake('{{random.special}}')).toBe('$&');
+
+      delete (faker.random as any).special;
+    });
   });
 });