test/python/tools/test_tiger_data.py

   1 # SPDX-License-Identifier: GPL-2.0-only
   2 #
   3 # This file is part of Nominatim. (https://nominatim.org)
   4 #
   5 # Copyright (C) 2022 by the Nominatim developer community.
   6 # For a full list of authors see the git log.
   7 """
   8 Test for tiger data function
   9 """
  10 import tarfile
  11 from textwrap import dedent
  12
  13 import pytest
  14
  15 from nominatim.tools import tiger_data, freeze
  16 from nominatim.errors import UsageError
  17
  18 class MockTigerTable:
  19
  20     def __init__(self, conn):
  21         self.conn = conn
  22         with conn.cursor() as cur:
  23             cur.execute("""CREATE TABLE tiger (linegeo GEOMETRY,
  24                                                start INTEGER,
  25                                                stop INTEGER,
  26                                                interpol TEXT,
  27                                                token_info JSONB,
  28                                                postcode TEXT)""")
  29
  30             # We need this table to determine if the database is frozen or not
  31             cur.execute("CREATE TABLE place (number INTEGER)")
  32
  33     def count(self):
  34         with self.conn.cursor() as cur:
  35             return cur.scalar("SELECT count(*) FROM tiger")
  36
  37     def row(self):
  38         with self.conn.cursor() as cur:
  39             cur.execute("SELECT * FROM tiger LIMIT 1")
  40             return cur.fetchone()
  41
  42 @pytest.fixture
  43 def tiger_table(def_config, temp_db_conn, sql_preprocessor,
  44                 temp_db_with_extensions, tmp_path):
  45     def_config.lib_dir.sql = tmp_path / 'sql'
  46     def_config.lib_dir.sql.mkdir()
  47
  48     (def_config.lib_dir.sql / 'tiger_import_start.sql').write_text(
  49         """CREATE OR REPLACE FUNCTION tiger_line_import(linegeo GEOMETRY, start INTEGER,
  50                                                         stop INTEGER, interpol TEXT,
  51                                                         token_info JSONB, postcode TEXT)
  52            RETURNS INTEGER AS $$
  53             INSERT INTO tiger VALUES(linegeo, start, stop, interpol, token_info, postcode)
  54             RETURNING 1
  55            $$ LANGUAGE SQL;""")
  56     (def_config.lib_dir.sql / 'tiger_import_finish.sql').write_text(
  57         """DROP FUNCTION tiger_line_import (linegeo GEOMETRY, in_startnumber INTEGER,
  58                                  in_endnumber INTEGER, interpolationtype TEXT,
  59                                  token_info JSONB, in_postcode TEXT);""")
  60
  61     return MockTigerTable(temp_db_conn)
  62
  63
  64 @pytest.fixture
  65 def csv_factory(tmp_path):
  66     def _mk_file(fname, hnr_from=1, hnr_to=9, interpol='odd', street='Main St',
  67                  city='Newtown', state='AL', postcode='12345',
  68                  geometry='LINESTRING(-86.466995 32.428956,-86.466923 32.428933)'):
  69         (tmp_path / (fname + '.csv')).write_text(dedent("""\
  70         from;to;interpolation;street;city;state;postcode;geometry
  71         {};{};{};{};{};{};{};{}
  72         """.format(hnr_from, hnr_to, interpol, street, city, state,
  73                    postcode, geometry)))
  74
  75     return _mk_file
  76
  77
  78 @pytest.mark.parametrize("threads", (1, 5))
  79 def test_add_tiger_data(def_config, src_dir, tiger_table, tokenizer_mock, threads):
  80     tiger_data.add_tiger_data(str(src_dir / 'test' / 'testdb' / 'tiger'),
  81                               def_config, threads, tokenizer_mock())
  82
  83     assert tiger_table.count() == 6213
  84
  85
  86 def test_add_tiger_data_database_frozen(def_config, temp_db_conn, tiger_table, tokenizer_mock,
  87                                  tmp_path):
  88     freeze.drop_update_tables(temp_db_conn)
  89
  90     with pytest.raises(UsageError) as excinfo:
  91         tiger_data.add_tiger_data(str(tmp_path), def_config, 1, tokenizer_mock())
  92
  93         assert "database frozen" in str(excinfo.value)
  94
  95     assert tiger_table.count() == 0
  96
  97 def test_add_tiger_data_no_files(def_config, tiger_table, tokenizer_mock,
  98                                  tmp_path):
  99     tiger_data.add_tiger_data(str(tmp_path), def_config, 1, tokenizer_mock())
 100
 101     assert tiger_table.count() == 0
 102
 103
 104 def test_add_tiger_data_bad_file(def_config, tiger_table, tokenizer_mock,
 105                                  tmp_path):
 106     sqlfile = tmp_path / '1010.csv'
 107     sqlfile.write_text("""Random text""")
 108
 109     tiger_data.add_tiger_data(str(tmp_path), def_config, 1, tokenizer_mock())
 110
 111     assert tiger_table.count() == 0
 112
 113
 114 def test_add_tiger_data_hnr_nan(def_config, tiger_table, tokenizer_mock,
 115                                 csv_factory, tmp_path):
 116     csv_factory('file1', hnr_from=99)
 117     csv_factory('file2', hnr_from='L12')
 118     csv_factory('file3', hnr_to='12.4')
 119
 120     tiger_data.add_tiger_data(str(tmp_path), def_config, 1, tokenizer_mock())
 121
 122     assert tiger_table.count() == 1
 123     assert tiger_table.row()['start'] == 99
 124
 125
 126 @pytest.mark.parametrize("threads", (1, 5))
 127 def test_add_tiger_data_tarfile(def_config, tiger_table, tokenizer_mock,
 128                                 tmp_path, src_dir, threads):
 129     tar = tarfile.open(str(tmp_path / 'sample.tar.gz'), "w:gz")
 130     tar.add(str(src_dir / 'test' / 'testdb' / 'tiger' / '01001.csv'))
 131     tar.close()
 132
 133     tiger_data.add_tiger_data(str(tmp_path / 'sample.tar.gz'), def_config, threads,
 134                               tokenizer_mock())
 135
 136     assert tiger_table.count() == 6213
 137
 138
 139 def test_add_tiger_data_bad_tarfile(def_config, tiger_table, tokenizer_mock,
 140                                     tmp_path):
 141     tarfile = tmp_path / 'sample.tar.gz'
 142     tarfile.write_text("""Random text""")
 143
 144     with pytest.raises(UsageError):
 145         tiger_data.add_tiger_data(str(tarfile), def_config, 1, tokenizer_mock())
 146
 147
 148 def test_add_tiger_data_empty_tarfile(def_config, tiger_table, tokenizer_mock,
 149                                       tmp_path):
 150     tar = tarfile.open(str(tmp_path / 'sample.tar.gz'), "w:gz")
 151     tar.add(__file__)
 152     tar.close()
 153
 154     tiger_data.add_tiger_data(str(tmp_path / 'sample.tar.gz'), def_config, 1,
 155                               tokenizer_mock())
 156
 157     assert tiger_table.count() == 0