test/python/api/test_results.py

   1 # SPDX-License-Identifier: GPL-3.0-or-later
   2 #
   3 # This file is part of Nominatim. (https://nominatim.org)
   4 #
   5 # Copyright (C) 2023 by the Nominatim developer community.
   6 # For a full list of authors see the git log.
   7 """
   8 Tests for result datatype helper functions.
   9 """
  10 import struct
  11 from binascii import hexlify
  12
  13 import pytest
  14 import pytest_asyncio
  15 import sqlalchemy as sa
  16
  17
  18 from nominatim.api import SourceTable, DetailedResult, Point
  19 import nominatim.api.results as nresults
  20
  21 def mkpoint(x, y):
  22     return hexlify(struct.pack("=biidd", 1, 0x20000001, 4326, x, y)).decode('utf-8')
  23
  24 class FakeRow:
  25     def __init__(self, **kwargs):
  26         if 'parent_place_id' not in kwargs:
  27             kwargs['parent_place_id'] = None
  28         for k, v in kwargs.items():
  29             setattr(self, k, v)
  30         self._mapping = kwargs
  31
  32
  33 def test_minimal_detailed_result():
  34     res = DetailedResult(SourceTable.PLACEX,
  35                          ('amenity', 'post_box'),
  36                          Point(23.1, 0.5))
  37
  38     assert res.lon == 23.1
  39     assert res.lat == 0.5
  40     assert res.calculated_importance() == pytest.approx(0.00001)
  41
  42 def test_detailed_result_custom_importance():
  43     res = DetailedResult(SourceTable.PLACEX,
  44                          ('amenity', 'post_box'),
  45                          Point(23.1, 0.5),
  46                          importance=0.4563)
  47
  48     assert res.calculated_importance() == 0.4563
  49
  50
  51 @pytest.mark.parametrize('func', (nresults.create_from_placex_row,
  52                                   nresults.create_from_osmline_row,
  53                                   nresults.create_from_tiger_row,
  54                                   nresults.create_from_postcode_row))
  55 def test_create_row_none(func):
  56     assert func(None, DetailedResult) is None
  57
  58
  59 @pytest.mark.parametrize('func', (nresults.create_from_osmline_row,
  60                                   nresults.create_from_tiger_row))
  61 def test_create_row_with_housenumber(func):
  62     row = FakeRow(place_id=2345, osm_type='W', osm_id=111, housenumber=4,
  63                   address=None, postcode='99900', country_code='xd',
  64                   centroid=mkpoint(0, 0))
  65
  66     res = func(row, DetailedResult)
  67
  68     assert res.housenumber == '4'
  69     assert res.extratags is None
  70     assert res.category == ('place', 'house')
  71
  72
  73 @pytest.mark.parametrize('func', (nresults.create_from_osmline_row,
  74                                   nresults.create_from_tiger_row))
  75 def test_create_row_without_housenumber(func):
  76     row = FakeRow(place_id=2345, osm_type='W', osm_id=111,
  77                   startnumber=1, endnumber=11, step=2,
  78                   address=None, postcode='99900', country_code='xd',
  79                   centroid=mkpoint(0, 0))
  80
  81     res = func(row, DetailedResult)
  82
  83     assert res.housenumber is None
  84     assert res.extratags == {'startnumber': '1', 'endnumber': '11', 'step': '2'}
  85     assert res.category == ('place', 'houses')