tests: adds detach/delete fork tets

rhodecode/tests/models/test_repos.py

@@ -42,14 +42,34 @@ class TestRepoModel(object):
         assert Repository.get_by_repo_name(repo_name=backend.repo_name) is None
         assert repo.repo_name not in repos
 
-    def test_remove_repo_raises_exc_when_attached_forks(self, backend):
+    def test_remove_repo_forks_are_detached(self, backend):
         repo = backend.create_repo()
         Session().commit()
-        backend.create_fork()
+        fork = backend.create_fork()
+        fork_name = fork.repo_name
         Session().commit()
 
-        with pytest.raises(AttachedForksError):
-            RepoModel().delete(repo=repo)
+        assert fork.parent is not None
+
+        RepoModel().delete(repo=repo)
+
+        fork = Repository.get_by_repo_name(repo_name=fork_name)
+        assert fork.parent is None
+
+    def test_remove_repo_forks_are_deleted(self, backend):
+        repo = backend.create_repo()
+        repo.private = True
+        Session().commit()
+        fork = backend.create_fork()
+        fork_name = fork.repo_name
+        Session().commit()
+
+        assert fork.parent is not None
+
+        RepoModel().delete(repo=repo)
+
+        fork = Repository.get_by_repo_name(repo_name=fork_name)
+        assert fork is None
 
     def test_remove_repo_delete_forks(self, backend):
         repo = backend.create_repo()