def test_user_has_resource_api_permission(self):
        resolver = ActionAliasPermissionsResolver()

        # Admin user, should always return true
        user_db = self.users['admin']
        resource_db = self.resources['alias_1']
        resource_api = ActionAliasAPI.from_model(resource_db)

        self.assertTrue(resolver.user_has_resource_api_permission(
            user_db=user_db,
            resource_api=resource_api,
            permission_type=PermissionType.ACTION_ALIAS_CREATE))

        # Observer, should return false
        user_db = self.users['observer']
        resource_db = self.resources['alias_1']
        resource_api = ActionAliasAPI.from_model(resource_db)

        self.assertFalse(resolver.user_has_resource_api_permission(
            user_db=user_db,
            resource_api=resource_api,
            permission_type=PermissionType.ACTION_ALIAS_CREATE))

        # No roles, should return false
        user_db = self.users['no_roles']
        resource_db = self.resources['alias_1']
        resource_api = ActionAliasAPI.from_model(resource_db)

        self.assertFalse(resolver.user_has_resource_api_permission(
            user_db=user_db,
            resource_api=resource_api,
            permission_type=PermissionType.ACTION_ALIAS_CREATE))

        # Custom role with no permission grants, should return false
        user_db = self.users['1_custom_role_no_permissions']
        resource_db = self.resources['alias_1']
        resource_api = ActionAliasAPI.from_model(resource_db)

        self.assertFalse(resolver.user_has_resource_api_permission(
            user_db=user_db,
            resource_api=resource_api,
            permission_type=PermissionType.ACTION_ALIAS_CREATE))

        # Custom role with "action_alias_create" grant on parent pack
        user_db = self.users['alias_pack_alias_create_grant']
        resource_db = self.resources['alias_1']
        resource_api = ActionAliasAPI.from_model(resource_db)

        self.assertTrue(resolver.user_has_resource_api_permission(
            user_db=user_db,
            resource_api=resource_api,
            permission_type=PermissionType.ACTION_ALIAS_CREATE))

        # Custom role with "action_alias_all" grant on the parent pack
        user_db = self.users['alias_pack_alias_all_grant']
        resource_db = self.resources['alias_1']
        resource_api = ActionAliasAPI.from_model(resource_db)

        self.assertTrue(resolver.user_has_resource_api_permission(
            user_db=user_db,
            resource_api=resource_api,
            permission_type=PermissionType.ACTION_ALIAS_CREATE))

        # Custom role with "action_alias_create" grant directly on the resource
        user_db = self.users['alias_alias_create_grant']
        resource_db = self.resources['alias_1']
        resource_api = ActionAliasAPI.from_model(resource_db)

        self.assertTrue(resolver.user_has_resource_api_permission(
            user_db=user_db,
            resource_api=resource_api,
            permission_type=PermissionType.ACTION_ALIAS_CREATE))

        # Custom role with "action_alias_all" grant directly on the resource
        user_db = self.users['alias_all_grant']
        resource_db = self.resources['alias_1']
        resource_api = ActionAliasAPI.from_model(resource_db)

        self.assertTrue(resolver.user_has_resource_api_permission(
            user_db=user_db,
            resource_api=resource_api,
            permission_type=PermissionType.ACTION_ALIAS_CREATE))