wesnoth/data/test/scenarios/simple_find_path.cfg

# This test is called "simple" find_path because the expected values are hand-coded by
# the developer. This is in contrast to the characterize_pathfinding_* tests, which
# need the expected answers to be generated automatically.

#define FIND_ALICES_PATH DESTINATION
    [find_path]
        [traveler]
            id=alice
        [/traveler]
        [destination]
            {DESTINATION}
        [/destination]
        allow_multiple_turns=no
        variable=path
    [/find_path]
#enddef

#define FIND_ALICES_PATH_2 DESTINATION NEAREST_BY
    [find_path]
        [traveler]
            id=alice
        [/traveler]
        [destination]
            {DESTINATION}
        [/destination]
        allow_multiple_turns=no
        variable=path
        nearest_by={NEAREST_BY}
    [/find_path]
#enddef

# A conditional for ASSERT checks
#define PATH_GOES_TO DESTINATION
    [have_location]
        {DESTINATION}
        [and]
            x,y=$path.to_x, $path.to_y
        [/and]
    [/have_location]
#enddef

[test]
    name = "Unit Test simple_find_path"
    map_file=test/maps/simple_find_path.map
    turns = 1
    id = simple_find_path
    random_start_time = no
    is_unit_test = yes

    {DAWN}

    [side]
        side=1
        controller=human
        name = "Alice"
        type = Elvish Archer
        id=alice
        fog=no
        shroud=no
        share_view=no
    [/side]
    [side]
        side=2
        controller=human
        name = "Bob"
        type = Orcish Grunt
        id=bob
        fog=no
        shroud=no
        share_view=no
    [/side]

    [event]
        name = side 1 turn 1

        # If a path needs multiple turns then [find_path] will include the
        # cost of movement points that were left unused at the end of all turns
        # except the last. To avoid that, give Alice enough MP to move anywhere.
        [modify_unit]
            [filter]
                id=alice
            [/filter]
            moves="$({UNREACHABLE} - 1)"
            max_moves="$({UNREACHABLE} - 1)"
        [/modify_unit]

        # A path can go to the hex that the unit is already on
        {FIND_ALICES_PATH location_id=1}
        {ASSERT {VARIABLE_CONDITIONAL path.hexes equals 0}}
        {ASSERT {VARIABLE_CONDITIONAL path.step.length equals 1}}
        {ASSERT {VARIABLE_CONDITIONAL path.movement_cost equals 0}}

        {FIND_ALICES_PATH location_id=lake}
        {ASSERT {VARIABLE_CONDITIONAL path.hexes equals 3}}
        {ASSERT {VARIABLE_CONDITIONAL path.step.length equals 4}}
        {ASSERT {VARIABLE_CONDITIONAL path.movement_cost equals 7}}

        {FIND_ALICES_PATH location_id=spur}
        {ASSERT {VARIABLE_CONDITIONAL path.hexes equals 5}}
        {ASSERT {VARIABLE_CONDITIONAL path.step.length equals 6}}
        {ASSERT {VARIABLE_CONDITIONAL path.movement_cost equals 5}}

        {FIND_ALICES_PATH location_id=u_turn}
        {ASSERT {VARIABLE_CONDITIONAL path.hexes equals 2}}
        {ASSERT {VARIABLE_CONDITIONAL path.step.length equals 9}}
        {ASSERT {VARIABLE_CONDITIONAL path.movement_cost equals 8}}

        {FIND_ALICES_PATH location_id=wet_turn}
        {ASSERT {VARIABLE_CONDITIONAL path.hexes equals 3}}
        {ASSERT {VARIABLE_CONDITIONAL path.step.length equals 7}}
        {ASSERT {VARIABLE_CONDITIONAL path.movement_cost equals 10}}

        # There's no route to the in_void village
        {FIND_ALICES_PATH location_id=in_void}
        {ASSERT {VARIABLE_CONDITIONAL path.hexes equals 0}}

        {FIND_ALICES_PATH_2 terrain=*^V* movement_cost}
        {ASSERT {PATH_GOES_TO location_id=spur}}
        {ASSERT {VARIABLE_CONDITIONAL path.hexes equals 5}}
        {ASSERT {VARIABLE_CONDITIONAL path.step.length equals 6}}
        {ASSERT {VARIABLE_CONDITIONAL path.movement_cost equals 5}}

        {FIND_ALICES_PATH_2 terrain=*^V* steps}
        {ASSERT {PATH_GOES_TO location_id=lake}}
        {ASSERT {VARIABLE_CONDITIONAL path.hexes equals 3}}
        {ASSERT {VARIABLE_CONDITIONAL path.step.length equals 4}}
        {ASSERT {VARIABLE_CONDITIONAL path.movement_cost equals 7}}

        {FIND_ALICES_PATH_2 terrain=*^V* hexes}
        {ASSERT {PATH_GOES_TO location_id=u_turn}}
        {ASSERT {VARIABLE_CONDITIONAL path.hexes equals 2}}
        {ASSERT {VARIABLE_CONDITIONAL path.step.length equals 9}}
        {ASSERT {VARIABLE_CONDITIONAL path.movement_cost equals 8}}

        # Without ignoring units, we can't move to Bob's starting hex
        {FIND_ALICES_PATH location_id=2}
        {ASSERT {VARIABLE_CONDITIONAL path.hexes equals 0}}

        # If we ignore other units, we can move to Bob's starting hex
        [find_path]
            [traveler]
                id=alice
            [/traveler]
            [destination]
                location_id=2
            [/destination]
            allow_multiple_turns=no
            variable=path
            check_zoc=false
        [/find_path]
        {ASSERT {VARIABLE_CONDITIONAL path.hexes equals 2}}
        {ASSERT {VARIABLE_CONDITIONAL path.step.length equals 3}}
        {ASSERT {VARIABLE_CONDITIONAL path.movement_cost equals 2}}

        {SUCCEED}
    [/event]
[/test]