+ test "project owner can show a project permission" do
+ uuid = links(:project_viewer_can_read_project).uuid
+ authorize_with :active
+ get :show, id: uuid
+ assert_response :success
+ assert_equal(uuid, assigns(:object).andand.uuid)
+ end
+
+ test "admin can show a project permission" do
+ uuid = links(:project_viewer_can_read_project).uuid
+ authorize_with :admin
+ get :show, id: uuid
+ assert_response :success
+ assert_equal(uuid, assigns(:object).andand.uuid)
+ end
+
+ test "project viewer can't show others' project permissions" do
+ authorize_with :project_viewer
+ get :show, id: links(:admin_can_write_aproject).uuid
+ assert_response 404
+ end
+
+ test "requesting a nonexistent link returns 404" do
+ authorize_with :active
+ get :show, id: 'zzzzz-zzzzz-zzzzzzzzzzzzzzz'
+ assert_response 404
+ end
+
+ # not implemented
+ skip "retrieve all permissions using generic links index api" do
+ # Links.readable_by() does not return the full set of permission
+ # links that are visible to a user (i.e., all permission links
+ # whose head_uuid references an object for which the user has
+ # ownership or can_manage permission). Therefore, neither does
+ # /arvados/v1/links.
+ #
+ # It is possible to retrieve the full set of permissions for a
+ # single object via /arvados/v1/permissions.
+ authorize_with :active
+ get :index, filters: [['link_class', '=', 'permission'],
+ ['head_uuid', '=', groups(:aproject).uuid]]
+ assert_response :success
+ assert_not_nil assigns(:objects)
+ assert_includes(assigns(:objects).map(&:uuid),
+ links(:project_viewer_can_read_project).uuid)
+ end
+
+ test "admin can index project permissions" do
+ authorize_with :admin
+ get :index, filters: [['link_class', '=', 'permission'],
+ ['head_uuid', '=', groups(:aproject).uuid]]
+ assert_response :success
+ assert_not_nil assigns(:objects)
+ assert_includes(assigns(:objects).map(&:uuid),
+ links(:project_viewer_can_read_project).uuid)
+ end
+
+ test "project viewer can't index others' project permissions" do
+ authorize_with :project_viewer
+ get :index, filters: [['link_class', '=', 'permission'],
+ ['head_uuid', '=', groups(:aproject).uuid],
+ ['tail_uuid', '!=', users(:project_viewer).uuid]]
+ assert_response :success
+ assert_not_nil assigns(:objects)
+ assert_empty assigns(:objects)
+ end
+
+ # Granting permissions.
+ test "grant can_read on project to other users in group" do
+ authorize_with :user_foo_in_sharing_group
+
+ refute users(:user_bar_in_sharing_group).can?(read: collections(:collection_owned_by_foo).uuid)
+
+ post :create, {
+ link: {
+ tail_uuid: users(:user_bar_in_sharing_group).uuid,
+ link_class: 'permission',
+ name: 'can_read',
+ head_uuid: collections(:collection_owned_by_foo).uuid,
+ }
+ }
+ assert_response :success
+ assert users(:user_bar_in_sharing_group).can?(read: collections(:collection_owned_by_foo).uuid)
+ end