Nominatim/test/bdd/environment.py
2016-12-30 22:58:58 +01:00

222 lines
7.9 KiB
Python

from behave import *
import logging
import os
import psycopg2
import psycopg2.extras
import subprocess
from nose.tools import * # for assert functions
from sys import version_info as python_version
logger = logging.getLogger(__name__)
userconfig = {
'BASEURL' : 'http://localhost/nominatim',
'BUILDDIR' : os.path.join(os.path.split(__file__)[0], "../../build"),
'REMOVE_TEMPLATE' : False,
'KEEP_TEST_DB' : False,
'TEMPLATE_DB' : 'test_template_nominatim',
'TEST_DB' : 'test_nominatim',
'TEST_SETTINGS_FILE' : '/tmp/nominatim_settings.php'
}
use_step_matcher("re")
class NominatimEnvironment(object):
""" Collects all functions for the execution of Nominatim functions.
"""
def __init__(self, config):
self.build_dir = os.path.abspath(config['BUILDDIR'])
self.template_db = config['TEMPLATE_DB']
self.test_db = config['TEST_DB']
self.local_settings_file = config['TEST_SETTINGS_FILE']
self.reuse_template = not config['REMOVE_TEMPLATE']
self.keep_scenario_db = config['KEEP_TEST_DB']
os.environ['NOMINATIM_SETTINGS'] = self.local_settings_file
self.template_db_done = False
def write_nominatim_config(self, dbname):
f = open(self.local_settings_file, 'w')
f.write("<?php\n @define('CONST_Database_DSN', 'pgsql://@/%s');\n" % dbname)
f.close()
def cleanup(self):
try:
os.remove(self.local_settings_file)
except OSError:
pass # ignore missing file
def db_drop_database(self, name):
conn = psycopg2.connect(database='postgres')
conn.set_isolation_level(0)
cur = conn.cursor()
cur.execute('DROP DATABASE IF EXISTS %s' % (name, ))
conn.close()
def setup_template_db(self):
if self.template_db_done:
return
self.template_db_done = True
if self.reuse_template:
# check that the template is there
conn = psycopg2.connect(database='postgres')
cur = conn.cursor()
cur.execute('select count(*) from pg_database where datname = %s',
(self.template_db,))
if cur.fetchone()[0] == 1:
return
conn.close()
else:
# just in case... make sure a previous table has been dropped
self.db_drop_database(self.template_db)
# call the first part of database setup
self.write_nominatim_config(self.template_db)
self.run_setup_script('create-db', 'setup-db')
# remove external data to speed up indexing for tests
conn = psycopg2.connect(database=self.template_db)
cur = conn.cursor()
cur.execute("""select tablename from pg_tables
where tablename in ('gb_postcode', 'us_postcode')""")
for t in cur:
conn.cursor().execute('TRUNCATE TABLE %s' % (t[0],))
conn.commit()
conn.close()
# execute osm2pgsql on an empty file to get the right tables
osm2pgsql = os.path.join(self.build_dir, 'osm2pgsql', 'osm2pgsql')
proc = subprocess.Popen([osm2pgsql, '-lsc', '-r', 'xml',
'-O', 'gazetteer', '-d', self.template_db, '-'],
cwd=self.build_dir, stdin=subprocess.PIPE,
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
[outstr, errstr] = proc.communicate(input=b'<osm version="0.6"></osm>')
logger.debug("running osm2pgsql for template: %s\n%s\n%s" % (osm2pgsql, outstr, errstr))
self.run_setup_script('create-functions', 'create-tables',
'create-partition-tables', 'create-partition-functions',
'load-data', 'create-search-indices')
def setup_db(self, context):
self.setup_template_db()
self.write_nominatim_config(self.test_db)
conn = psycopg2.connect(database=self.template_db)
conn.set_isolation_level(0)
cur = conn.cursor()
cur.execute('DROP DATABASE IF EXISTS %s' % (self.test_db, ))
cur.execute('CREATE DATABASE %s TEMPLATE = %s' % (self.test_db, self.template_db))
conn.close()
context.db = psycopg2.connect(database=self.test_db)
if python_version[0] < 3:
psycopg2.extras.register_hstore(context.db, globally=False, unicode=True)
else:
psycopg2.extras.register_hstore(context.db, globally=False)
def teardown_db(self, context):
if 'db' in context:
context.db.close()
if not self.keep_scenario_db:
self.db_drop_database(self.test_db)
def run_setup_script(self, *args, **kwargs):
self.run_nominatim_script('setup', *args, **kwargs)
def run_update_script(self, *args):
self.run_nominatim_script('update', *args)
def run_nominatim_script(self, script, *args, **kwargs):
cmd = [os.path.join(self.build_dir, 'utils', '%s.php' % script)]
cmd.extend(['--%s' % x for x in args])
for k, v in kwargs.items():
cmd.extend(('--' + k.replace('_', '-'), str(v)))
proc = subprocess.Popen(cmd, cwd=self.build_dir,
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
(outp, outerr) = proc.communicate()
logger.debug("run_nominatim_script: %s\n%s\n%s" % (cmd, outp, outerr))
assert (proc.returncode == 0), "Script '%s' failed:\n%s\n%s\n" % (script, outp, outerr)
class OSMDataFactory(object):
def __init__(self):
scriptpath = os.path.dirname(os.path.abspath(__file__))
self.scene_path = os.environ.get('SCENE_PATH',
os.path.join(scriptpath, '..', 'scenes', 'data'))
self.scene_cache = {}
def parse_geometry(self, geom, scene):
if geom.find(':') >= 0:
out = self.get_scene_geometry(scene, geom)
elif geom.find(',') < 0:
out = "'POINT(%s)'::geometry" % geom
elif geom.find('(') < 0:
out = "'LINESTRING(%s)'::geometry" % geom
else:
out = "'POLYGON(%s)'::geometry" % geom
return "ST_SetSRID(%s, 4326)" % out
def get_scene_geometry(self, default_scene, name):
geoms = []
for obj in name.split('+'):
oname = obj.strip()
if oname.startswith(':'):
assert_is_not_none(default_scene, "You need to set a scene")
defscene = self.load_scene(default_scene)
wkt = defscene[oname[1:]]
else:
scene, obj = oname.split(':', 2)
scene_geoms = self.load_scene(scene)
wkt = scene_geoms[obj]
geoms.append("'%s'::geometry" % wkt)
if len(geoms) == 1:
return geoms[0]
else:
return 'ST_LineMerge(ST_Collect(ARRAY[%s]))' % ','.join(geoms)
def load_scene(self, name):
if name in self.scene_cache:
return self.scene_cache[name]
scene = {}
with open(os.path.join(self.scene_path, "%s.wkt" % name), 'r') as fd:
for line in fd:
if line.strip():
obj, wkt = line.split('|', 2)
scene[obj.strip()] = wkt.strip()
self.scene_cache[name] = scene
return scene
def before_all(context):
# logging setup
context.config.setup_logging()
# set up -D options
for k,v in userconfig.items():
context.config.userdata.setdefault(k, v)
logging.debug('User config: %s' %(str(context.config.userdata)))
# Nominatim test setup
context.nominatim = NominatimEnvironment(context.config.userdata)
context.osm = OSMDataFactory()
def after_all(context):
context.nominatim.cleanup()
def before_scenario(context, scenario):
if 'DB' in context.tags:
context.nominatim.setup_db(context)
context.scene = None
def after_scenario(context, scenario):
if 'DB' in context.tags:
context.nominatim.teardown_db(context)