test/python/mocks.py

   1 """
   2 Custom mocks for testing.
   3 """
   4 import itertools
   5
   6 import psycopg2.extras
   7
   8 from nominatim.db import properties
   9
  10 class MockParamCapture:
  11     """ Mock that records the parameters with which a function was called
  12         as well as the number of calls.
  13     """
  14     def __init__(self, retval=0):
  15         self.called = 0
  16         self.return_value = retval
  17         self.last_args = None
  18         self.last_kwargs = None
  19
  20     def __call__(self, *args, **kwargs):
  21         self.called += 1
  22         self.last_args = args
  23         self.last_kwargs = kwargs
  24         return self.return_value
  25
  26
  27 class MockWordTable:
  28     """ A word table for testing.
  29     """
  30     def __init__(self, conn):
  31         self.conn = conn
  32         with conn.cursor() as cur:
  33             cur.execute("""CREATE TABLE word (word_id INTEGER,
  34                                               word_token text,
  35                                               word text,
  36                                               class text,
  37                                               type text,
  38                                               country_code varchar(2),
  39                                               search_name_count INTEGER,
  40                                               operator TEXT)""")
  41
  42         conn.commit()
  43
  44     def add_special(self, word_token, word, cls, typ, oper):
  45         with self.conn.cursor() as cur:
  46             cur.execute("""INSERT INTO word (word_token, word, class, type, operator)
  47                               VALUES (%s, %s, %s, %s, %s)
  48                         """, (word_token, word, cls, typ, oper))
  49         self.conn.commit()
  50
  51
  52     def add_postcode(self, word_token, postcode):
  53         with self.conn.cursor() as cur:
  54             cur.execute("""INSERT INTO word (word_token, word, class, type)
  55                               VALUES (%s, %s, 'place', 'postcode')
  56                         """, (word_token, postcode))
  57         self.conn.commit()
  58
  59
  60     def count(self):
  61         with self.conn.cursor() as cur:
  62             return cur.scalar("SELECT count(*) FROM word")
  63
  64
  65     def count_special(self):
  66         with self.conn.cursor() as cur:
  67             return cur.scalar("SELECT count(*) FROM word WHERE class != 'place'")
  68
  69
  70     def get_special(self):
  71         with self.conn.cursor() as cur:
  72             cur.execute("""SELECT word_token, word, class, type, operator
  73                            FROM word WHERE class != 'place'""")
  74             return set((tuple(row) for row in cur))
  75
  76
  77     def get_postcodes(self):
  78         with self.conn.cursor() as cur:
  79             cur.execute("""SELECT word FROM word
  80                            WHERE class = 'place' and type = 'postcode'""")
  81             return set((row[0] for row in cur))
  82
  83
  84 class MockPlacexTable:
  85     """ A placex table for testing.
  86     """
  87     def __init__(self, conn):
  88         self.idseq = itertools.count(10000)
  89         self.conn = conn
  90         with conn.cursor() as cur:
  91             cur.execute("""CREATE TABLE placex (
  92                                place_id BIGINT,
  93                                parent_place_id BIGINT,
  94                                linked_place_id BIGINT,
  95                                importance FLOAT,
  96                                indexed_date TIMESTAMP,
  97                                geometry_sector INTEGER,
  98                                rank_address SMALLINT,
  99                                rank_search SMALLINT,
 100                                partition SMALLINT,
 101                                indexed_status SMALLINT,
 102                                osm_id int8,
 103                                osm_type char(1),
 104                                class text,
 105                                type text,
 106                                name hstore,
 107                                admin_level smallint,
 108                                address hstore,
 109                                extratags hstore,
 110                                geometry Geometry(Geometry,4326),
 111                                wikipedia TEXT,
 112                                country_code varchar(2),
 113                                housenumber TEXT,
 114                                postcode TEXT,
 115                                centroid GEOMETRY(Geometry, 4326))""")
 116             cur.execute("CREATE SEQUENCE IF NOT EXISTS seq_place")
 117         conn.commit()
 118
 119     def add(self, osm_type='N', osm_id=None, cls='amenity', typ='cafe', names=None,
 120             admin_level=None, address=None, extratags=None, geom='POINT(10 4)',
 121             country=None):
 122         with self.conn.cursor() as cur:
 123             psycopg2.extras.register_hstore(cur)
 124             cur.execute("""INSERT INTO placex (place_id, osm_type, osm_id, class,
 125                                                type, name, admin_level, address,
 126                                                extratags, geometry, country_code)
 127                             VALUES(nextval('seq_place'), %s, %s, %s, %s, %s, %s, %s, %s, %s, %s)""",
 128                         (osm_type, osm_id or next(self.idseq), cls, typ, names,
 129                          admin_level, address, extratags, 'SRID=4326;' + geom,
 130                          country))
 131         self.conn.commit()
 132
 133
 134 class MockPropertyTable:
 135     """ A property table for testing.
 136     """
 137     def __init__(self, conn):
 138         self.conn = conn
 139
 140
 141     def set(self, name, value):
 142         """ Set a property in the table to the given value.
 143         """
 144         properties.set_property(self.conn, name, value)