Nominatim/test/python/mock_icu_word_table.py
2024-06-26 11:52:47 +02:00

122 lines
4.5 KiB
Python

# SPDX-License-Identifier: GPL-3.0-or-later
#
# This file is part of Nominatim. (https://nominatim.org)
#
# Copyright (C) 2024 by the Nominatim developer community.
# For a full list of authors see the git log.
"""
Legacy word table for testing with functions to prefil and test contents
of the table.
"""
class MockIcuWordTable:
""" A word table for testing using legacy word table structure.
"""
def __init__(self, conn):
self.conn = conn
with conn.cursor() as cur:
cur.execute("""CREATE TABLE word (word_id INTEGER,
word_token text NOT NULL,
type text NOT NULL,
word text,
info jsonb)""")
conn.commit()
def add_full_word(self, word_id, word, word_token=None):
with self.conn.cursor() as cur:
cur.execute("""INSERT INTO word (word_id, word_token, type, word, info)
VALUES(%s, %s, 'W', %s, '{}'::jsonb)""",
(word_id, word or word_token, word))
self.conn.commit()
def add_special(self, word_token, word, cls, typ, oper):
with self.conn.cursor() as cur:
cur.execute("""INSERT INTO word (word_token, type, word, info)
VALUES (%s, 'S', %s,
json_build_object('class', %s,
'type', %s,
'op', %s))
""", (word_token, word, cls, typ, oper))
self.conn.commit()
def add_country(self, country_code, word_token):
with self.conn.cursor() as cur:
cur.execute("""INSERT INTO word (word_token, type, word)
VALUES(%s, 'C', %s)""",
(word_token, country_code))
self.conn.commit()
def add_postcode(self, word_token, postcode):
with self.conn.cursor() as cur:
cur.execute("""INSERT INTO word (word_token, type, word)
VALUES (%s, 'P', %s)
""", (word_token, postcode))
self.conn.commit()
def add_housenumber(self, word_id, word_tokens, word=None):
with self.conn.cursor() as cur:
if isinstance(word_tokens, str):
# old style without analyser
cur.execute("""INSERT INTO word (word_id, word_token, type)
VALUES (%s, %s, 'H')
""", (word_id, word_tokens))
else:
if word is None:
word = word_tokens[0]
for token in word_tokens:
cur.execute("""INSERT INTO word (word_id, word_token, type, word, info)
VALUES (%s, %s, 'H', %s, jsonb_build_object('lookup', %s))
""", (word_id, token, word, word_tokens[0]))
self.conn.commit()
def count(self):
with self.conn.cursor() as cur:
return cur.scalar("SELECT count(*) FROM word")
def count_special(self):
with self.conn.cursor() as cur:
return cur.scalar("SELECT count(*) FROM word WHERE type = 'S'")
def count_housenumbers(self):
with self.conn.cursor() as cur:
return cur.scalar("SELECT count(*) FROM word WHERE type = 'H'")
def get_special(self):
with self.conn.cursor() as cur:
cur.execute("SELECT word_token, info, word FROM word WHERE type = 'S'")
result = set(((row[0], row[2], row[1]['class'],
row[1]['type'], row[1]['op']) for row in cur))
assert len(result) == cur.rowcount, "Word table has duplicates."
return result
def get_country(self):
with self.conn.cursor() as cur:
cur.execute("SELECT word, word_token FROM word WHERE type = 'C'")
result = set((tuple(row) for row in cur))
assert len(result) == cur.rowcount, "Word table has duplicates."
return result
def get_postcodes(self):
with self.conn.cursor() as cur:
cur.execute("SELECT word FROM word WHERE type = 'P'")
return set((row[0] for row in cur))
def get_partial_words(self):
with self.conn.cursor() as cur:
cur.execute("SELECT word_token, info FROM word WHERE type ='w'")
return set(((row[0], row[1]['count']) for row in cur))