Issues #126: add test.

tests/test_ways.py

@@ -0,0 +1,46 @@
+import numpy as np
+
+from map_machine.figure import Figure
+from map_machine.geometry.boundary_box import BoundaryBox
+from map_machine.geometry.flinger import Flinger
+from map_machine.map_configuration import MapConfiguration
+from map_machine.constructor import Constructor
+from map_machine.osm.osm_reader import OSMData, OSMWay, OSMNode
+from tests import SCHEME, SHAPE_EXTRACTOR
+
+
+def get_constructor(osm_data: OSMData) -> Constructor:
+    flinger: Flinger = Flinger(
+        BoundaryBox(-0.01, -0.01, 0.01, 0.01), 18, osm_data.equator_length
+    )
+    constructor: Constructor = Constructor(
+        osm_data, flinger, SCHEME, SHAPE_EXTRACTOR, MapConfiguration()
+    )
+    constructor.construct_ways()
+    return constructor
+
+
+def test_river_and_wood() -> None:
+    """
+    Check that river is above the wood.
+
+    See https://github.com/enzet/map-machine/issues/126
+    """
+    nodes_1: list[OSMNode] = [
+        OSMNode({}, 1, np.array((-0.01, -0.01))),
+        OSMNode({}, 2, np.array((0.01, 0.01))),
+    ]
+    nodes_2: list[OSMNode] = [
+        OSMNode({}, 3, np.array((-0.01, -0.01))),
+        OSMNode({}, 4, np.array((0.01, 0.01))),
+    ]
+
+    osm_data: OSMData = OSMData()
+    osm_data.add_way(OSMWay({"natural": "wood"}, 1, nodes_1))
+    osm_data.add_way(OSMWay({"waterway": "river"}, 2, nodes_2))
+
+    figures: list[Figure] = get_constructor(osm_data).get_sorted_figures()
+
+    assert len(figures) == 2
+    assert figures[0].tags["natural"] == "wood"
+    assert figures[1].tags["waterway"] == "river"