diff --git a/tests/test_pagure_flask_api_project.py b/tests/test_pagure_flask_api_project.py
index f85adf5..9963cda 100644
--- a/tests/test_pagure_flask_api_project.py
+++ b/tests/test_pagure_flask_api_project.py
@@ -318,6 +318,114 @@ class PagureFlaskApiProjecttests(tests.Modeltests):
             {'message': 'Project "test_42" created'}
         )
 
+    @patch('pagure.lib.git.generate_gitolite_acls')
+    def test_api_fork_project(self, p_gga):
+        """ Test the api_fork_project method of the flask api. """
+        p_gga.return_value = True
+
+        tests.create_projects(self.session)
+        for folder in ['docs', 'tickets', 'requests', 'repos']:
+            tests.create_projects_git(
+                os.path.join(tests.HERE, folder), bare=True)
+        tests.create_tokens(self.session)
+        tests.create_tokens_acl(self.session)
+
+        headers = {'Authorization': 'token foo_token'}
+
+        # Invalid token
+        output = self.app.post('/api/0/fork', headers=headers)
+        self.assertEqual(output.status_code, 401)
+        data = json.loads(output.data)
+        self.assertDictEqual(
+            data,
+            {
+                "error": "Invalid or expired token. Please visit " \
+                "https://pagure.org/ to get or renew your API token.",
+                "error_code": "EINVALIDTOK"
+            }
+        )
+
+        headers = {'Authorization': 'token aaabbbcccddd'}
+
+        # No input
+        output = self.app.post('/api/0/fork', headers=headers)
+        self.assertEqual(output.status_code, 400)
+        data = json.loads(output.data)
+        self.assertDictEqual(
+            data,
+            {
+              "error": "Invalid or incomplete input submited",
+              "error_code": "EINVALIDREQ",
+            }
+        )
+
+        data = {
+            'name': 'test',
+        }
+
+        # Incomplete request
+        output = self.app.post(
+            '/api/0/fork', data=data, headers=headers)
+        self.assertEqual(output.status_code, 400)
+        data = json.loads(output.data)
+        self.assertDictEqual(
+            data,
+            {
+              "error": "Invalid or incomplete input submited",
+              "error_code": "EINVALIDREQ",
+            }
+        )
+
+        data = {
+            'repo': 'test',
+        }
+
+        # Valid request
+        output = self.app.post(
+            '/api/0/fork/', data=data, headers=headers)
+        self.assertEqual(output.status_code, 200)
+        data = json.loads(output.data)
+        self.assertDictEqual(
+            data,
+            {
+                "message": "Repo \"test\" cloned to \"pingou/test\""
+            }
+        )
+
+        data = {
+            'repo': 'test',
+        }
+
+        # project already forked
+        output = self.app.post(
+            '/api/0/fork/', data=data, headers=headers)
+        self.assertEqual(output.status_code, 400)
+        data = json.loads(output.data)
+        self.assertDictEqual(
+            data,
+            {
+                "error": "Repo \"forks/pingou/test\" already exists",
+                "error_code": "ENOCODE"
+            }
+        )
+
+        data = {
+            'repo': 'test',
+            'username': 'pingou',
+        }
+
+        # Fork already exists
+        output = self.app.post(
+            '/api/0/fork/', data=data, headers=headers)
+        self.assertEqual(output.status_code, 400)
+        data = json.loads(output.data)
+        self.assertDictEqual(
+            data,
+            {
+                "error": "Repo \"forks/pingou/test\" already exists",
+                "error_code": "ENOCODE"
+            }
+        )
 
 if __name__ == '__main__':
     SUITE = unittest.TestLoader().loadTestsFromTestCase(