]> git.openstreetmap.org Git - nominatim.git/blobdiff - test/bdd/steps/geometry_factory.py
release 4.5.0.post7
[nominatim.git] / test / bdd / steps / geometry_factory.py
index d62ad9c5b07d897d0e0e9eb84e7d4884c8cfe82d..19c0406c61ec085c21558a0ea7f1a730a7cccee5 100644 (file)
@@ -7,23 +7,21 @@
 from pathlib import Path
 import os
 
+from steps.geometry_alias import ALIASES
+
 class GeometryFactory:
-    """ Provides functions to create geometries from scenes and data grids.
+    """ Provides functions to create geometries from coordinates and data grids.
     """
 
     def __init__(self):
-        defpath = Path(__file__) / '..' / '..' / '..' / 'scenes' / 'data'
-        self.scene_path = os.environ.get('SCENE_PATH', defpath.resolve())
-        self.scene_cache = {}
         self.grid = {}
 
-    def parse_geometry(self, geom, scene):
+    def parse_geometry(self, geom):
         """ Create a WKT SQL term for the given geometry.
             The function understands the following formats:
 
-              [<scene>]:<name>
-                 Geometry from a scene. If the scene is omitted, use the
-                 default scene.
+              country:<country code>
+                 Point geometry guaranteed to be in the given country
               <P>
                  Point geometry
               <P>,...,<P>
@@ -35,8 +33,10 @@ class GeometryFactory:
            number. In the latter case it must refer to a point in
            a previously defined grid.
         """
-        if geom.find(':') >= 0:
-            return "ST_SetSRID({}, 4326)".format(self.get_scene_geometry(scene, geom))
+        if geom.startswith('country:'):
+            ccode = geom[8:].upper()
+            assert ccode in ALIASES, "Geometry error: unknown country " + ccode
+            return "ST_SetSRID('POINT({} {})'::geometry, 4326)".format(*ALIASES[ccode])
 
         if geom.find(',') < 0:
             out = "POINT({})".format(self.mk_wkt_point(geom))
@@ -47,9 +47,10 @@ class GeometryFactory:
 
         return "ST_SetSRID('{}'::geometry, 4326)".format(out)
 
+
     def mk_wkt_point(self, point):
         """ Parse a point description.
-            The point may either consist of 'x y' cooordinates or a number
+            The point may either consist of 'x y' coordinates or a number
             that refers to a grid setup.
         """
         geom = point.strip()
@@ -64,6 +65,7 @@ class GeometryFactory:
         assert pt is not None, "Scenario error: Point '{}' not found in grid".format(geom)
         return "{} {}".format(*pt)
 
+
     def mk_wkt_points(self, geom):
         """ Parse a list of points.
             The list must be a comma-separated list of points. Points
@@ -71,57 +73,21 @@ class GeometryFactory:
         """
         return ','.join([self.mk_wkt_point(x) for x in geom.split(',')])
 
-    def get_scene_geometry(self, default_scene, name):
-        """ Load the geometry from a scene.
-        """
-        geoms = []
-        for obj in name.split('+'):
-            oname = obj.strip()
-            if oname.startswith(':'):
-                assert default_scene is not None, "Scenario error: You need to set a scene"
-                defscene = self.load_scene(default_scene)
-                wkt = defscene[oname[1:]]
-            else:
-                scene, obj = oname.split(':', 2)
-                scene_geoms = self.load_scene(scene)
-                wkt = scene_geoms[obj]
-
-            geoms.append("'{}'::geometry".format(wkt))
-
-        if len(geoms) == 1:
-            return geoms[0]
-
-        return 'ST_LineMerge(ST_Collect(ARRAY[{}]))'.format(','.join(geoms))
-
-    def load_scene(self, name):
-        """ Load a scene from a file.
-        """
-        if name in self.scene_cache:
-            return self.scene_cache[name]
-
-        scene = {}
-        with open(Path(self.scene_path) / "{}.wkt".format(name), 'r') as fd:
-            for line in fd:
-                if line.strip():
-                    obj, wkt = line.split('|', 2)
-                    scene[obj.strip()] = wkt.strip()
-            self.scene_cache[name] = scene
 
-        return scene
-
-    def set_grid(self, lines, grid_step):
+    def set_grid(self, lines, grid_step, origin=(0.0, 0.0)):
         """ Replace the grid with one from the given lines.
         """
         self.grid = {}
-        y = 0
+        y = origin[1]
         for line in lines:
-            x = 0
+            x = origin[0]
             for pt_id in line:
                 if pt_id.isdigit():
                     self.grid[int(pt_id)] = (x, y)
                 x += grid_step
             y += grid_step
 
+
     def grid_node(self, nodeid):
         """ Get the coordinates for the given grid node.
         """