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[nominatim.git] / test / bdd / steps / nominatim_environment.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 from pathlib import Path
8 import importlib
9 import sys
10 import tempfile
11
12 import psycopg2
13 import psycopg2.extras
14
15 sys.path.insert(1, str((Path(__file__) / '..' / '..' / '..' / '..').resolve()))
16
17 from nominatim import cli
18 from nominatim.config import Configuration
19 from nominatim.db.connection import Connection
20 from nominatim.tools import refresh
21 from nominatim.tokenizer import factory as tokenizer_factory
22 from steps.utils import run_script
23
24 class NominatimEnvironment:
25     """ Collects all functions for the execution of Nominatim functions.
26     """
27
28     def __init__(self, config):
29         self.build_dir = Path(config['BUILDDIR']).resolve()
30         self.src_dir = (Path(__file__) / '..' / '..' / '..' / '..').resolve()
31         self.db_host = config['DB_HOST']
32         self.db_port = config['DB_PORT']
33         self.db_user = config['DB_USER']
34         self.db_pass = config['DB_PASS']
35         self.template_db = config['TEMPLATE_DB']
36         self.test_db = config['TEST_DB']
37         self.api_test_db = config['API_TEST_DB']
38         self.api_test_file = config['API_TEST_FILE']
39         self.tokenizer = config['TOKENIZER']
40         self.import_style = config['STYLE']
41         self.server_module_path = config['SERVER_MODULE_PATH']
42         self.reuse_template = not config['REMOVE_TEMPLATE']
43         self.keep_scenario_db = config['KEEP_TEST_DB']
44         self.code_coverage_path = config['PHPCOV']
45         self.code_coverage_id = 1
46
47         self.default_config = Configuration(None).get_os_env()
48         self.test_env = None
49         self.template_db_done = False
50         self.api_db_done = False
51         self.website_dir = None
52
53         self.api_engine = None
54         if config['API_ENGINE'] != 'php':
55             if not hasattr(self, f"create_api_request_func_{config['API_ENGINE']}"):
56                 raise RuntimeError(f"Unknown API engine '{config['API_ENGINE']}'")
57             self.api_engine = getattr(self, f"create_api_request_func_{config['API_ENGINE']}")()
58
59     def connect_database(self, dbname):
60         """ Return a connection to the database with the given name.
61             Uses configured host, user and port.
62         """
63         dbargs = {'database': dbname}
64         if self.db_host:
65             dbargs['host'] = self.db_host
66         if self.db_port:
67             dbargs['port'] = self.db_port
68         if self.db_user:
69             dbargs['user'] = self.db_user
70         if self.db_pass:
71             dbargs['password'] = self.db_pass
72         conn = psycopg2.connect(connection_factory=Connection, **dbargs)
73         return conn
74
75     def next_code_coverage_file(self):
76         """ Generate the next name for a coverage file.
77         """
78         fn = Path(self.code_coverage_path) / "{:06d}.cov".format(self.code_coverage_id)
79         self.code_coverage_id += 1
80
81         return fn.resolve()
82
83     def write_nominatim_config(self, dbname):
84         """ Set up a custom test configuration that connects to the given
85             database. This sets up the environment variables so that they can
86             be picked up by dotenv and creates a project directory with the
87             appropriate website scripts.
88         """
89         dsn = 'pgsql:dbname={}'.format(dbname)
90         if self.db_host:
91             dsn += ';host=' + self.db_host
92         if self.db_port:
93             dsn += ';port=' + self.db_port
94         if self.db_user:
95             dsn += ';user=' + self.db_user
96         if self.db_pass:
97             dsn += ';password=' + self.db_pass
98
99         self.test_env = dict(self.default_config)
100         self.test_env['NOMINATIM_DATABASE_DSN'] = dsn
101         self.test_env['NOMINATIM_LANGUAGES'] = 'en,de,fr,ja'
102         self.test_env['NOMINATIM_FLATNODE_FILE'] = ''
103         self.test_env['NOMINATIM_IMPORT_STYLE'] = 'full'
104         self.test_env['NOMINATIM_USE_US_TIGER_DATA'] = 'yes'
105         self.test_env['NOMINATIM_DATADIR'] = str((self.src_dir / 'data').resolve())
106         self.test_env['NOMINATIM_SQLDIR'] = str((self.src_dir / 'lib-sql').resolve())
107         self.test_env['NOMINATIM_CONFIGDIR'] = str((self.src_dir / 'settings').resolve())
108         self.test_env['NOMINATIM_DATABASE_MODULE_SRC_PATH'] = str((self.build_dir / 'module').resolve())
109         self.test_env['NOMINATIM_OSM2PGSQL_BINARY'] = str((self.build_dir / 'osm2pgsql' / 'osm2pgsql').resolve())
110         if self.tokenizer is not None:
111             self.test_env['NOMINATIM_TOKENIZER'] = self.tokenizer
112         if self.import_style is not None:
113             self.test_env['NOMINATIM_IMPORT_STYLE'] = self.import_style
114
115         if self.server_module_path:
116             self.test_env['NOMINATIM_DATABASE_MODULE_PATH'] = self.server_module_path
117         else:
118             # avoid module being copied into the temporary environment
119             self.test_env['NOMINATIM_DATABASE_MODULE_PATH'] = str((self.build_dir / 'module').resolve())
120
121         if self.website_dir is not None:
122             self.website_dir.cleanup()
123
124         self.website_dir = tempfile.TemporaryDirectory()
125
126         try:
127             conn = self.connect_database(dbname)
128         except:
129             conn = False
130         refresh.setup_website(Path(self.website_dir.name) / 'website',
131                               self.get_test_config(), conn)
132
133
134     def get_test_config(self):
135         cfg = Configuration(Path(self.website_dir.name), environ=self.test_env)
136         cfg.set_libdirs(module=self.build_dir / 'module',
137                         osm2pgsql=self.build_dir / 'osm2pgsql' / 'osm2pgsql')
138         return cfg
139
140     def get_libpq_dsn(self):
141         dsn = self.test_env['NOMINATIM_DATABASE_DSN']
142
143         def quote_param(param):
144             key, val = param.split('=')
145             val = val.replace('\\', '\\\\').replace("'", "\\'")
146             if ' ' in val:
147                 val = "'" + val + "'"
148             return key + '=' + val
149
150         if dsn.startswith('pgsql:'):
151             # Old PHP DSN format. Convert before returning.
152             return ' '.join([quote_param(p) for p in dsn[6:].split(';')])
153
154         return dsn
155
156
157     def db_drop_database(self, name):
158         """ Drop the database with the given name.
159         """
160         conn = self.connect_database('postgres')
161         conn.set_isolation_level(0)
162         cur = conn.cursor()
163         cur.execute('DROP DATABASE IF EXISTS {}'.format(name))
164         conn.close()
165
166     def setup_template_db(self):
167         """ Setup a template database that already contains common test data.
168             Having a template database speeds up tests considerably but at
169             the price that the tests sometimes run with stale data.
170         """
171         if self.template_db_done:
172             return
173
174         self.template_db_done = True
175
176         self.write_nominatim_config(self.template_db)
177
178         if not self._reuse_or_drop_db(self.template_db):
179             try:
180                 # execute nominatim import on an empty file to get the right tables
181                 with tempfile.NamedTemporaryFile(dir='/tmp', suffix='.xml') as fd:
182                     fd.write(b'<osm version="0.6"></osm>')
183                     fd.flush()
184                     self.run_nominatim('import', '--osm-file', fd.name,
185                                                  '--osm2pgsql-cache', '1',
186                                                  '--ignore-errors',
187                                                  '--offline', '--index-noanalyse')
188             except:
189                 self.db_drop_database(self.template_db)
190                 raise
191
192         self.run_nominatim('refresh', '--functions')
193
194
195     def setup_api_db(self):
196         """ Setup a test against the API test database.
197         """
198         self.write_nominatim_config(self.api_test_db)
199
200         if not self.api_db_done:
201             self.api_db_done = True
202
203             if not self._reuse_or_drop_db(self.api_test_db):
204                 testdata = (Path(__file__) / '..' / '..' / '..' / 'testdb').resolve()
205                 self.test_env['NOMINATIM_WIKIPEDIA_DATA_PATH'] = str(testdata)
206                 simp_file = Path(self.website_dir.name) / 'secondary_importance.sql.gz'
207                 simp_file.symlink_to(testdata / 'secondary_importance.sql.gz')
208
209                 try:
210                     self.run_nominatim('import', '--osm-file', str(self.api_test_file))
211                     self.run_nominatim('add-data', '--tiger-data', str(testdata / 'tiger'))
212                     self.run_nominatim('freeze')
213
214                     if self.tokenizer == 'legacy':
215                         phrase_file = str(testdata / 'specialphrases_testdb.sql')
216                         run_script(['psql', '-d', self.api_test_db, '-f', phrase_file])
217                     else:
218                         csv_path = str(testdata / 'full_en_phrases_test.csv')
219                         self.run_nominatim('special-phrases', '--import-from-csv', csv_path)
220                 except:
221                     self.db_drop_database(self.api_test_db)
222                     raise
223
224         tokenizer_factory.get_tokenizer_for_db(self.get_test_config())
225
226
227     def setup_unknown_db(self):
228         """ Setup a test against a non-existing database.
229         """
230         # The tokenizer needs an existing database to function.
231         # So start with the usual database
232         class _Context:
233             db = None
234
235         context = _Context()
236         self.setup_db(context)
237         tokenizer_factory.create_tokenizer(self.get_test_config(), init_db=False)
238
239         # Then drop the DB again
240         self.teardown_db(context, force_drop=True)
241
242     def setup_db(self, context):
243         """ Setup a test against a fresh, empty test database.
244         """
245         self.setup_template_db()
246         conn = self.connect_database(self.template_db)
247         conn.set_isolation_level(0)
248         cur = conn.cursor()
249         cur.execute('DROP DATABASE IF EXISTS {}'.format(self.test_db))
250         cur.execute('CREATE DATABASE {} TEMPLATE = {}'.format(self.test_db, self.template_db))
251         conn.close()
252         self.write_nominatim_config(self.test_db)
253         context.db = self.connect_database(self.test_db)
254         context.db.autocommit = True
255         psycopg2.extras.register_hstore(context.db, globally=False)
256
257     def teardown_db(self, context, force_drop=False):
258         """ Remove the test database, if it exists.
259         """
260         if hasattr(context, 'db'):
261             context.db.close()
262
263         if force_drop or not self.keep_scenario_db:
264             self.db_drop_database(self.test_db)
265
266     def _reuse_or_drop_db(self, name):
267         """ Check for the existance of the given DB. If reuse is enabled,
268             then the function checks for existance and returns True if the
269             database is already there. Otherwise an existing database is
270             dropped and always false returned.
271         """
272         if self.reuse_template:
273             conn = self.connect_database('postgres')
274             with conn.cursor() as cur:
275                 cur.execute('select count(*) from pg_database where datname = %s',
276                             (name,))
277                 if cur.fetchone()[0] == 1:
278                     return True
279             conn.close()
280         else:
281             self.db_drop_database(name)
282
283         return False
284
285     def reindex_placex(self, db):
286         """ Run the indexing step until all data in the placex has
287             been processed. Indexing during updates can produce more data
288             to index under some circumstances. That is why indexing may have
289             to be run multiple times.
290         """
291         with db.cursor() as cur:
292             while True:
293                 self.run_nominatim('index')
294
295                 cur.execute("SELECT 'a' FROM placex WHERE indexed_status != 0 LIMIT 1")
296                 if cur.rowcount == 0:
297                     return
298
299     def run_nominatim(self, *cmdline):
300         """ Run the nominatim command-line tool via the library.
301         """
302         if self.website_dir is not None:
303             cmdline = list(cmdline) + ['--project-dir', self.website_dir.name]
304
305         cli.nominatim(module_dir='',
306                       osm2pgsql_path=str(self.build_dir / 'osm2pgsql' / 'osm2pgsql'),
307                       cli_args=cmdline,
308                       phpcgi_path='',
309                       environ=self.test_env)
310
311
312     def copy_from_place(self, db):
313         """ Copy data from place to the placex and location_property_osmline
314             tables invoking the appropriate triggers.
315         """
316         self.run_nominatim('refresh', '--functions', '--no-diff-updates')
317
318         with db.cursor() as cur:
319             cur.execute("""INSERT INTO placex (osm_type, osm_id, class, type,
320                                                name, admin_level, address,
321                                                extratags, geometry)
322                              SELECT osm_type, osm_id, class, type,
323                                     name, admin_level, address,
324                                     extratags, geometry
325                                FROM place
326                                WHERE not (class='place' and type='houses' and osm_type='W')""")
327             cur.execute("""INSERT INTO location_property_osmline (osm_id, address, linegeo)
328                              SELECT osm_id, address, geometry
329                                FROM place
330                               WHERE class='place' and type='houses'
331                                     and osm_type='W'
332                                     and ST_GeometryType(geometry) = 'ST_LineString'""")
333
334
335     def create_api_request_func_starlette(self):
336         import nominatim.server.starlette.server
337         from asgi_lifespan import LifespanManager
338         import httpx
339
340         async def _request(endpoint, params, project_dir, environ):
341             app = nominatim.server.starlette.server.get_application(project_dir, environ)
342
343             async with LifespanManager(app):
344                 async with httpx.AsyncClient(app=app, base_url="http://nominatim.test") as client:
345                     response = await client.get(f"/{endpoint}", params=params)
346
347             return response.text, response.status_code
348
349         return _request
350
351
352     def create_api_request_func_sanic(self):
353         import nominatim.server.sanic.server
354
355         async def _request(endpoint, params, project_dir, environ):
356             app = nominatim.server.sanic.server.get_application(project_dir, environ)
357
358             _, response = await app.asgi_client.get(f"/{endpoint}", params=params)
359
360             return response.text, response.status_code
361
362         return _request
363
364
365     def create_api_request_func_falcon(self):
366         import nominatim.server.falcon.server
367         import falcon.testing
368
369         async def _request(endpoint, params, project_dir, environ):
370             app = nominatim.server.falcon.server.get_application(project_dir, environ)
371
372             async with falcon.testing.ASGIConductor(app) as conductor:
373                 response = await conductor.get(f"/{endpoint}", params=params)
374
375             return response.text, response.status_code
376
377         return _request
378
379
380