add node grids for tests and test for interpolation update

test/bdd/environment.py

@@ -196,6 +196,15 @@ class OSMDataFactory(object):
 
         return scene
 
+    def clear_grid(self):
+        self.grid = {}
+
+    def add_grid_node(self, nodeid, x, y):
+        self.grid[nodeid] = (x, y)
+
+    def grid_node(self, nodeid):
+        return self.grid.get(nodeid)
+
 
 def before_all(context):
     # logging setup

test/bdd/osm2pgsql/update/interpolation.feature

@@ -0,0 +1,40 @@
+@DB
+Feature: Update of interpolations
+
+    @wip
+    # Test case for #598
+    Scenario: add an interpolation way
+        Given the grid
+          | 4 | 7 | 5 |
+          | 10|   | 12|
+        When loading osm data
+          """
+          n3
+          n4 Taddr:housenumber=1
+          n5 Taddr:housenumber=5
+          n10
+          n12
+          w11 Thighway=residential,name=X Nn4,n5
+          w12 Thighway=residential,name=Highway Nn10,n12
+          """
+        And updating osm data
+          """
+          n4 Taddr:housenumber=1
+          n5 Taddr:housenumber=5
+          w1 Taddr:interpolation=odd Nn4,n5
+          w2 Tbuilding=yes,name=ggg Nn4,n10,n7,n4
+          w3 Tbuilding=yes,name=ggg Nn4,n10,n7,n4
+          w4 Tbuilding=yes,name=ggg Nn4,n10,n7,n4
+          w5 Tbuilding=yes,name=ggg Nn4,n10,n7,n4
+          w6 Tbuilding=yes,name=ggg Nn4,n10,n7,n4
+          w7 Tbuilding=yes,name=ggg Nn4,n10,n7,n4
+          w11 dD
+          """
+        Then place contains
+          | object   | housenumber |
+          | N4:place | 1           |
+          | N5:place | 5           |
+          | W1:place | odd         |
+        And W1 expands to interpolation
+          | start | end |
+          | 1     | 5   |

test/bdd/steps/osm_data.py

@@ -4,16 +4,52 @@ import random
 import os
 from nose.tools import * # for assert functions
 
+@given(u'the (\d+ )?grid')
+def define_node_grid(context, grid_step):
+    """
+    Define a grid of node positions.
+    """
+    if grid_step is not None:
+        grid_step = int(grd_step.strip())
+    else:
+        grid_step = 0.00001
+
+    context.osm.clear_grid()
+
+    i = 0
+    for h in context.table.headings:
+        if h.isdigit():
+            context.osm.add_grid_node(int(h), 0, i)
+        i += grid_step
+
+    x = grid_step
+    for r in context.table:
+        y = 0
+        for h in r:
+            if h.isdigit():
+                context.osm.add_grid_node(int(h), x, y)
+            y += grid_step
+        x += grid_step
+
+
 @when(u'loading osm data')
 def load_osm_file(context):
+    """
+    Load the given data into a freshly created test data using osm2pgsql.
+    No further indexing is done.
 
+    The data is expected as attached text in OPL format.
+    """
     # create a OSM file in /tmp and import it
     with tempfile.NamedTemporaryFile(dir='/tmp', suffix='.opl', delete=False) as fd:
         fname = fd.name
         for line in context.text.splitlines():
             if line.startswith('n') and line.find(' x') < 0:
-                    line += " x%d y%d" % (random.random() * 360 - 180,
-                                          random.random() * 180 - 90)
+                coord = context.osm.grid_node(int(line[1:].split(' ')[0]))
+                if coord is None:
+                    coord = (random.random() * 360 - 180,
+                             random.random() * 180 - 90)
+                line += " x%f y%f" % coord
             fd.write(line.encode('utf-8'))
             fd.write(b'\n')
 
@@ -33,12 +69,22 @@ def load_osm_file(context):
 
 @when(u'updating osm data')
 def update_from_osm_file(context):
+    """
+    Update a database previously populated with 'loading osm data'.
+    Needs to run indexing on the existing data first to yield the correct result.
+
+    The data is expected as attached text in OPL format.
+    """
     context.nominatim.run_setup_script('create-functions', 'create-partition-functions')
 
     cur = context.db.cursor()
     cur.execute("""insert into placex (osm_type, osm_id, class, type, name,
                    admin_level,  housenumber, street, addr_place, isin, postcode,
                    country_code, extratags, geometry) select * from place""")
+    cur.execute(
+        """select insert_osmline (osm_id, housenumber, street, addr_place,
+           postcode, country_code, geometry)
+           from place where class='place' and type='houses' and osm_type='W'""")
     context.db.commit()
     context.nominatim.run_setup_script('index', 'index-noanalyse')
     context.nominatim.run_setup_script('create-functions', 'create-partition-functions',