test/python/test_indexing.py

   1 """
   2 Tests for running the indexing.
   3 """
   4 import itertools
   5 import psycopg2
   6 import pytest
   7
   8 from nominatim.indexer.indexer import Indexer
   9
  10 class IndexerTestDB:
  11
  12     def __init__(self, conn):
  13         self.placex_id = itertools.count(100000)
  14         self.osmline_id = itertools.count(500000)
  15         self.postcode_id = itertools.count(700000)
  16
  17         self.conn = conn
  18         self.conn.set_isolation_level(0)
  19         with self.conn.cursor() as cur:
  20             cur.execute("""CREATE TABLE placex (place_id BIGINT,
  21                                                 class TEXT,
  22                                                 type TEXT,
  23                                                 rank_address SMALLINT,
  24                                                 rank_search SMALLINT,
  25                                                 indexed_status SMALLINT,
  26                                                 indexed_date TIMESTAMP,
  27                                                 partition SMALLINT,
  28                                                 admin_level SMALLINT,
  29                                                 geometry_sector INTEGER)""")
  30             cur.execute("""CREATE TABLE location_property_osmline (
  31                                place_id BIGINT,
  32                                indexed_status SMALLINT,
  33                                indexed_date TIMESTAMP,
  34                                geometry_sector INTEGER)""")
  35             cur.execute("""CREATE TABLE location_postcode (
  36                                place_id BIGINT,
  37                                indexed_status SMALLINT,
  38                                indexed_date TIMESTAMP,
  39                                country_code varchar(2),
  40                                postcode TEXT)""")
  41             cur.execute("""CREATE OR REPLACE FUNCTION date_update() RETURNS TRIGGER
  42                            AS $$
  43                            BEGIN
  44                              IF NEW.indexed_status = 0 and OLD.indexed_status != 0 THEN
  45                                NEW.indexed_date = now();
  46                              END IF;
  47                              RETURN NEW;
  48                            END; $$ LANGUAGE plpgsql;""")
  49             for table in ('placex', 'location_property_osmline', 'location_postcode'):
  50                 cur.execute("""CREATE TRIGGER {0}_update BEFORE UPDATE ON {0}
  51                                FOR EACH ROW EXECUTE PROCEDURE date_update()
  52                             """.format(table))
  53
  54     def scalar(self, query):
  55         with self.conn.cursor() as cur:
  56             cur.execute(query)
  57             return cur.fetchone()[0]
  58
  59     def add_place(self, cls='place', typ='locality',
  60                   rank_search=30, rank_address=30, sector=20):
  61         next_id = next(self.placex_id)
  62         with self.conn.cursor() as cur:
  63             cur.execute("""INSERT INTO placex
  64                               (place_id, class, type, rank_search, rank_address,
  65                                indexed_status, geometry_sector)
  66                               VALUES (%s, %s, %s, %s, %s, 1, %s)""",
  67                         (next_id, cls, typ, rank_search, rank_address, sector))
  68         return next_id
  69
  70     def add_admin(self, **kwargs):
  71         kwargs['cls'] = 'boundary'
  72         kwargs['typ'] = 'administrative'
  73         return self.add_place(**kwargs)
  74
  75     def add_osmline(self, sector=20):
  76         next_id = next(self.osmline_id)
  77         with self.conn.cursor() as cur:
  78             cur.execute("""INSERT INTO location_property_osmline
  79                               (place_id, indexed_status, geometry_sector)
  80                               VALUES (%s, 1, %s)""",
  81                         (next_id, sector))
  82         return next_id
  83
  84     def add_postcode(self, country, postcode):
  85         next_id = next(self.postcode_id)
  86         with self.conn.cursor() as cur:
  87             cur.execute("""INSERT INTO location_postcode
  88                             (place_id, indexed_status, country_code, postcode)
  89                             VALUES (%s, 1, %s, %s)""",
  90                         (next_id, country, postcode))
  91         return next_id
  92
  93     def placex_unindexed(self):
  94         return self.scalar('SELECT count(*) from placex where indexed_status > 0')
  95
  96     def osmline_unindexed(self):
  97         return self.scalar('SELECT count(*) from location_property_osmline where indexed_status > 0')
  98
  99
 100 @pytest.fixture
 101 def test_db(temp_db_conn):
 102     yield IndexerTestDB(temp_db_conn)
 103
 104
 105 @pytest.mark.parametrize("threads", [1, 15])
 106 def test_index_all_by_rank(test_db, threads):
 107     for rank in range(31):
 108         test_db.add_place(rank_address=rank, rank_search=rank)
 109     test_db.add_osmline()
 110
 111     assert 31 == test_db.placex_unindexed()
 112     assert 1 == test_db.osmline_unindexed()
 113
 114     idx = Indexer('dbname=test_nominatim_python_unittest', threads)
 115     idx.index_by_rank(0, 30)
 116
 117     assert 0 == test_db.placex_unindexed()
 118     assert 0 == test_db.osmline_unindexed()
 119
 120     assert 0 == test_db.scalar("""SELECT count(*) from placex
 121                                WHERE indexed_status = 0 and indexed_date is null""")
 122     # ranks come in order of rank address
 123     assert 0 == test_db.scalar("""
 124         SELECT count(*) FROM placex p WHERE rank_address > 0
 125           AND indexed_date >= (SELECT min(indexed_date) FROM placex o
 126                                WHERE p.rank_address < o.rank_address)""")
 127     # placex rank < 30 objects come before interpolations
 128     assert 0 == test_db.scalar(
 129         """SELECT count(*) FROM placex WHERE rank_address < 30
 130              AND indexed_date > (SELECT min(indexed_date) FROM location_property_osmline)""")
 131     # placex rank = 30 objects come after interpolations
 132     assert 0 == test_db.scalar(
 133         """SELECT count(*) FROM placex WHERE rank_address = 30
 134              AND indexed_date < (SELECT max(indexed_date) FROM location_property_osmline)""")
 135     # rank 0 comes after rank 29 and before rank 30
 136     assert 0 == test_db.scalar(
 137         """SELECT count(*) FROM placex WHERE rank_address < 30
 138              AND indexed_date > (SELECT min(indexed_date) FROM placex WHERE rank_address = 0)""")
 139     assert 0 == test_db.scalar(
 140         """SELECT count(*) FROM placex WHERE rank_address = 30
 141              AND indexed_date < (SELECT max(indexed_date) FROM placex WHERE rank_address = 0)""")
 142
 143
 144 @pytest.mark.parametrize("threads", [1, 15])
 145 def test_index_partial_without_30(test_db, threads):
 146     for rank in range(31):
 147         test_db.add_place(rank_address=rank, rank_search=rank)
 148     test_db.add_osmline()
 149
 150     assert 31 == test_db.placex_unindexed()
 151     assert 1 == test_db.osmline_unindexed()
 152
 153     idx = Indexer('dbname=test_nominatim_python_unittest', threads)
 154     idx.index_by_rank(4, 15)
 155
 156     assert 19 == test_db.placex_unindexed()
 157     assert 1 == test_db.osmline_unindexed()
 158
 159     assert 0 == test_db.scalar("""
 160                     SELECT count(*) FROM placex
 161                       WHERE indexed_status = 0 AND not rank_address between 4 and 15""")
 162
 163
 164 @pytest.mark.parametrize("threads", [1, 15])
 165 def test_index_partial_with_30(test_db, threads):
 166     for rank in range(31):
 167         test_db.add_place(rank_address=rank, rank_search=rank)
 168     test_db.add_osmline()
 169
 170     assert 31 == test_db.placex_unindexed()
 171     assert 1 == test_db.osmline_unindexed()
 172
 173     idx = Indexer('dbname=test_nominatim_python_unittest', threads)
 174     idx.index_by_rank(28, 30)
 175
 176     assert 27 == test_db.placex_unindexed()
 177     assert 0 == test_db.osmline_unindexed()
 178
 179     assert 0 == test_db.scalar("""
 180                     SELECT count(*) FROM placex
 181                       WHERE indexed_status = 0 AND rank_address between 1 and 27""")
 182
 183 @pytest.mark.parametrize("threads", [1, 15])
 184 def test_index_boundaries(test_db, threads):
 185     for rank in range(4, 10):
 186         test_db.add_admin(rank_address=rank, rank_search=rank)
 187     for rank in range(31):
 188         test_db.add_place(rank_address=rank, rank_search=rank)
 189     test_db.add_osmline()
 190
 191     assert 37 == test_db.placex_unindexed()
 192     assert 1 == test_db.osmline_unindexed()
 193
 194     idx = Indexer('dbname=test_nominatim_python_unittest', threads)
 195     idx.index_boundaries(0, 30)
 196
 197     assert 31 == test_db.placex_unindexed()
 198     assert 1 == test_db.osmline_unindexed()
 199
 200     assert 0 == test_db.scalar("""
 201                     SELECT count(*) FROM placex
 202                       WHERE indexed_status = 0 AND class != 'boundary'""")
 203
 204
 205 @pytest.mark.parametrize("threads", [1, 15])
 206 def test_index_postcodes(test_db, threads):
 207     for postcode in range(1000):
 208         test_db.add_postcode('de', postcode)
 209     for postcode in range(32000, 33000):
 210         test_db.add_postcode('us', postcode)
 211
 212     idx = Indexer('dbname=test_nominatim_python_unittest', threads)
 213     idx.index_postcodes()
 214
 215     assert 0 == test_db.scalar("""SELECT count(*) FROM location_postcode
 216                                   WHERE indexed_status != 0""")
 217
 218
 219 def test_index_full(test_db):
 220     for rank in range(4, 10):
 221         test_db.add_admin(rank_address=rank, rank_search=rank)
 222     for rank in range(31):
 223         test_db.add_place(rank_address=rank, rank_search=rank)
 224     test_db.add_osmline()
 225     for postcode in range(1000):
 226         test_db.add_postcode('de', postcode)
 227
 228     idx = Indexer('dbname=test_nominatim_python_unittest', 4)
 229     idx.index_full()
 230
 231     assert 0 == test_db.placex_unindexed()
 232     assert 0 == test_db.osmline_unindexed()
 233     assert 0 == test_db.scalar("""SELECT count(*) FROM location_postcode
 234                                   WHERE indexed_status != 0""")