Files
Nominatim/test/bdd/steps/db_ops.py
Sarah Hoffmann 82a0e23265 tests for linking
2016-12-30 22:58:58 +01:00

303 lines
11 KiB
Python

import base64
import random
import string
import re
from nose.tools import * # for assert functions
import psycopg2.extras
class PlaceColumn:
def __init__(self, context, force_name):
self.columns = { 'admin_level' : 100}
self.force_name = force_name
self.context = context
self.geometry = None
def add(self, key, value):
if hasattr(self, 'set_key_' + key):
getattr(self, 'set_key_' + key)(value)
elif key.startswith('name+'):
self.add_hstore('name', key[5:], value)
elif key.startswith('extra+'):
self.add_hstore('extratags', key[6:], value)
else:
assert_in(key, ('class', 'type', 'street', 'addr_place',
'isin', 'postcode'))
self.columns[key] = value
def set_key_name(self, value):
self.add_hstore('name', 'name', value)
def set_key_osm(self, value):
assert_in(value[0], 'NRW')
ok_(value[1:].isdigit())
self.columns['osm_type'] = value[0]
self.columns['osm_id'] = int(value[1:])
def set_key_admin(self, value):
self.columns['admin_level'] = int(value)
def set_key_housenr(self, value):
self.columns['housenumber'] = value
def set_key_country(self, value):
self.columns['country_code'] = value
def set_key_geometry(self, value):
self.geometry = self.context.osm.parse_geometry(value, self.context.scene)
assert_is_not_none(self.geometry)
def add_hstore(self, column, key, value):
if column in self.columns:
self.columns[column][key] = value
else:
self.columns[column] = { key : value }
def db_insert(self, cursor):
assert_in('osm_type', self.columns)
if self.force_name and 'name' not in self.columns:
self.add_hstore('name', 'name', ''.join(random.choice(string.printable)
for _ in range(int(random.random()*30))))
if self.columns['osm_type'] == 'N' and self.geometry is None:
self.geometry = "ST_SetSRID(ST_Point(%f, %f), 4326)" % (
random.random()*360 - 180, random.random()*180 - 90)
else:
assert_is_not_none(self.geometry, "Geometry missing")
query = 'INSERT INTO place (%s, geometry) values(%s, %s)' % (
','.join(self.columns.keys()),
','.join(['%s' for x in range(len(self.columns))]),
self.geometry)
cursor.execute(query, list(self.columns.values()))
class NominatimID:
""" Splits a unique identifier for places into its components.
As place_ids cannot be used for testing, we use a unique
identifier instead that is of the form <osmtype><osmid>[:<class>].
"""
id_regex = re.compile(r"(?P<tp>[NRW])(?P<id>\d+)(:(?P<cls>\w+))?")
def __init__(self, oid):
self.typ = self.oid = self.cls = None
if oid is not None:
m = self.id_regex.fullmatch(oid)
assert_is_not_none(m, "ID '%s' not of form <osmtype><osmid>[:<class>]" % oid)
self.typ = m.group('tp')
self.oid = m.group('id')
self.cls = m.group('cls')
def table_select(self):
""" Return where clause and parameter list to select the object
from a Nominatim table.
"""
where = 'osm_type = %s and osm_id = %s'
params = [self.typ, self. oid]
if self.cls is not None:
where += ' class = %s'
params.append(self.cls)
return where, params
def get_place_id(self, cur):
where, params = self.table_select()
cur.execute("SELECT place_id FROM placex WHERE %s" % where, params)
eq_(1, cur.rowcount, "Expected exactly 1 entry in placex found %s" % cur.rowcount)
return cur.fetchone()[0]
def assert_db_column(row, column, value):
if column == 'object':
return
if column.startswith('centroid'):
fac = float(column[9:]) if h.startswith('centroid*') else 1.0
x, y = value.split(' ')
assert_almost_equal(float(x) * fac, row['cx'])
assert_almost_equal(float(y) * fac, row['cy'])
else:
eq_(value, str(row[column]),
"Row '%s': expected: %s, got: %s"
% (column, value, str(row[column])))
################################ STEPS ##################################
@given(u'the scene (?P<scene>.+)')
def set_default_scene(context, scene):
context.scene = scene
@given("the (?P<named>named )?places")
def add_data_to_place_table(context, named):
cur = context.db.cursor()
cur.execute('ALTER TABLE place DISABLE TRIGGER place_before_insert')
for r in context.table:
col = PlaceColumn(context, named is not None)
for h in r.headings:
col.add(h, r[h])
col.db_insert(cur)
cur.execute('ALTER TABLE place ENABLE TRIGGER place_before_insert')
cur.close()
context.db.commit()
@given("the relations")
def add_data_to_planet_relations(context):
cur = context.db.cursor()
for r in context.table:
last_node = 0
last_way = 0
parts = []
if r['members']:
members = []
for m in r['members'].split(','):
mid = NominatimID(m)
if mid.typ == 'N':
parts.insert(last_node, int(mid.oid))
last_node += 1
last_way += 1
elif mid.typ == 'W':
parts.insert(last_way, int(mid.oid))
last_way += 1
else:
parts.append(int(mid.oid))
members.extend((mid.typ.lower() + mid.oid, mid.cls or ''))
else:
members = None
tags = []
for h in r.headings:
if h.startswith("tags+"):
tags.extend((h[5:], r[h]))
cur.execute("""INSERT INTO planet_osm_rels (id, way_off, rel_off, parts, members, tags)
VALUES (%s, %s, %s, %s, %s, %s)""",
(r['id'], last_node, last_way, parts, members, tags))
context.db.commit()
@given("the ways")
def add_data_to_planet_ways(context):
cur = context.db.cursor()
for r in context.table:
tags = []
for h in r.headings:
if h.startswith("tags+"):
tags.extend((h[5:], r[h]))
nodes = [ int(x.strip()) for x in r['nodes'].split(',') ]
cur.execute("INSERT INTO planet_osm_ways (id, nodes, tags) VALUES (%s, %s, %s)",
(r['id'], nodes, tags))
context.db.commit()
@when("importing")
def import_and_index_data_from_place_table(context):
context.nominatim.run_setup_script('create-functions', 'create-partition-functions')
cur = context.db.cursor()
cur.execute(
"""insert into placex (osm_type, osm_id, class, type, name, admin_level,
housenumber, street, addr_place, isin, postcode, country_code, extratags,
geometry)
select * from place where not (class='place' and type='houses' and osm_type='W')""")
cur.execute(
"""select insert_osmline (osm_id, housenumber, street, addr_place,
postcode, country_code, geometry)
from place where class='place' and type='houses' and osm_type='W'""")
context.db.commit()
context.nominatim.run_setup_script('index', 'index-noanalyse')
@then("placex contains(?P<exact> exactly)?")
def check_placex_contents(context, exact):
cur = context.db.cursor(cursor_factory=psycopg2.extras.DictCursor)
expected_content = set()
for row in context.table:
nid = NominatimID(row['object'])
where, params = nid.table_select()
cur.execute("""SELECT *, ST_AsText(geometry) as geomtxt,
ST_X(centroid) as cx, ST_Y(centroid) as cy
FROM placex where %s""" % where,
params)
for res in cur:
if exact:
expected_content.add((res['osm_type'], res['osm_id'], res['class']))
for h in row.headings:
if h.startswith('name'):
name = h[5:] if h.startswith('name+') else 'name'
assert_in(name, res['name'])
eq_(res['name'][name], row[h])
elif h.startswith('extratags+'):
eq_(res['extratags'][h[10:]], row[h])
elif h in ('linked_place_id', 'parent_place_id'):
if row[h] == '0':
eq_(0, res[h])
elif row[h] == '-':
assert_is_none(res[h])
else:
eq_(NominatimID(row[h]).get_place_id(context.db.cursor()),
res[h])
else:
assert_db_column(res, h, row[h])
if exact:
cur.execute('SELECT osm_type, osm_id, class from placex')
eq_(expected_content, set([(r[0], r[1], r[2]) for r in cur]))
context.db.commit()
@then("search_name contains")
def check_search_name_contents(context):
cur = context.db.cursor(cursor_factory=psycopg2.extras.DictCursor)
for row in context.table:
pid = NominatimID(row['object']).get_place_id(cur)
cur.execute("""SELECT *, ST_X(centroid) as cx, ST_Y(centroid) as cy
FROM search_name WHERE place_id = %s""", (pid, ))
for res in cur:
for h in row.headings:
if h in ('name_vector', 'nameaddress_vector'):
terms = [x.strip().replace('#', ' ') for x in row[h].split(',')]
subcur = context.db.cursor()
subcur.execute("""SELECT word_id, word_token
FROM word, (SELECT unnest(%s) as term) t
WHERE word_token = make_standard_name(t.term)""",
(terms,))
ok_(subcur.rowcount >= len(terms))
for wid in subcur:
assert_in(wid[0], res[h],
"Missing term for %s/%s: %s" % (pid, h, wid[1]))
else:
assert_db_column(res, h, row[h])
context.db.commit()
@then("placex has no entry for (?P<oid>.*)")
def check_placex_has_entry(context, oid):
cur = context.db.cursor(cursor_factory=psycopg2.extras.DictCursor)
nid = NominatimID(oid)
where, params = nid.table_select()
cur.execute("SELECT * FROM placex where %s" % where, params)
eq_(0, cur.rowcount)
context.db.commit()
@then("search_name has no entry for (?P<oid>.*)")
def check_search_name_has_entry(context, oid):
cur = context.db.cursor(cursor_factory=psycopg2.extras.DictCursor)
pid = NominatimID(oid).get_place_id(cur)
cur.execute("SELECT * FROM search_name WHERE place_id = %s", (pid, ))
eq_(0, cur.rowcount)
context.db.commit()