osrm-backend/features/testbot/alternative_loop.feature

@routing @testbot @alternative
Feature: Alternative route

    Background:
        Given the profile "testbot"

    Scenario: Alternative Loop Paths
        Given the node map
            | a | 2 | 1 | b |
            | 7 |   |   | 4 |
            | 8 |   |   | 3 |
            | c | 5 | 6 | d |

        And the ways
            | nodes | oneway |
            | ab    | yes    |
            | bd    | yes    |
            | dc    | yes    |
            | ca    | yes    |

        And the query options
            | alternatives | true |

        When I route I should get
            | from | to | route          | alternative |
            | 1    | 2  | ab,bd,dc,ca,ab |             |
            | 3    | 4  | bd,dc,ca,ab,bd |             |
            | 5    | 6  | dc,ca,ab,bd,dc |             |
            | 7    | 8  | ca,ab,bd,dc,ca |             |