X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/eb3b78985596a351ad98d09afeee960055bb53eb..db3ced17bbfff00411f506d8c84419c875959d5e:/test/python/conftest.py

diff --git a/test/python/conftest.py b/test/python/conftest.py
index 26bbb397..ecd40d7c 100644
--- a/test/python/conftest.py
+++ b/test/python/conftest.py
@@ -1,6 +1,191 @@
+import itertools
 import sys
 from pathlib import Path
 
+import psycopg2
+import psycopg2.extras
+import pytest
+
+SRC_DIR = Path(__file__) / '..' / '..' / '..'
+
 # always test against the source
-sys.path.insert(0, str((Path(__file__) / '..' / '..' / '..').resolve()))
+sys.path.insert(0, str(SRC_DIR.resolve()))
+
+from nominatim.config import Configuration
+from nominatim.db import connection
+
+class _TestingCursor(psycopg2.extras.DictCursor):
+    """ Extension to the DictCursor class that provides execution
+        short-cuts that simplify writing assertions.
+    """
+
+    def scalar(self, sql, params=None):
+        """ Execute a query with a single return value and return this value.
+            Raises an assertion when not exactly one row is returned.
+        """
+        self.execute(sql, params)
+        assert self.rowcount == 1
+        return self.fetchone()[0]
+
+    def row_set(self, sql, params=None):
+        """ Execute a query and return the result as a set of tuples.
+        """
+        self.execute(sql, params)
+        if self.rowcount == 1:
+            return set(tuple(self.fetchone()))
+
+        return set((tuple(row) for row in self))
+
+@pytest.fixture
+def temp_db(monkeypatch):
+    """ Create an empty database for the test. The database name is also
+        exported into NOMINATIM_DATABASE_DSN.
+    """
+    name = 'test_nominatim_python_unittest'
+    conn = psycopg2.connect(database='postgres')
+
+    conn.set_isolation_level(0)
+    with conn.cursor() as cur:
+        cur.execute('DROP DATABASE IF EXISTS {}'.format(name))
+        cur.execute('CREATE DATABASE {}'.format(name))
+
+    conn.close()
+
+    monkeypatch.setenv('NOMINATIM_DATABASE_DSN' , 'dbname=' + name)
+
+    yield name
+
+    conn = psycopg2.connect(database='postgres')
+
+    conn.set_isolation_level(0)
+    with conn.cursor() as cur:
+        cur.execute('DROP DATABASE IF EXISTS {}'.format(name))
+
+    conn.close()
+
+@pytest.fixture
+def temp_db_with_extensions(temp_db):
+    conn = psycopg2.connect(database=temp_db)
+    with conn.cursor() as cur:
+        cur.execute('CREATE EXTENSION hstore; CREATE EXTENSION postgis;')
+    conn.commit()
+    conn.close()
+
+    return temp_db
+
+@pytest.fixture
+def temp_db_conn(temp_db):
+    """ Connection to the test database.
+    """
+    conn = connection.connect('dbname=' + temp_db)
+    yield conn
+    conn.close()
+
+
+@pytest.fixture
+def temp_db_cursor(temp_db):
+    """ Connection and cursor towards the test database. The connection will
+        be in auto-commit mode.
+    """
+    conn = psycopg2.connect('dbname=' + temp_db)
+    conn.set_isolation_level(0)
+    with conn.cursor(cursor_factory=_TestingCursor) as cur:
+        yield cur
+    conn.close()
+
+
+@pytest.fixture
+def def_config():
+    return Configuration(None, SRC_DIR.resolve() / 'settings')
+
+
+@pytest.fixture
+def status_table(temp_db_conn):
+    """ Create an empty version of the status table and
+        the status logging table.
+    """
+    with temp_db_conn.cursor() as cur:
+        cur.execute("""CREATE TABLE import_status (
+                           lastimportdate timestamp with time zone NOT NULL,
+                           sequence_id integer,
+                           indexed boolean
+                       )""")
+        cur.execute("""CREATE TABLE import_osmosis_log (
+                           batchend timestamp,
+                           batchseq integer,
+                           batchsize bigint,
+                           starttime timestamp,
+                           endtime timestamp,
+                           event text
+                           )""")
+    temp_db_conn.commit()
+
+
+@pytest.fixture
+def place_table(temp_db_with_extensions, temp_db_conn):
+    """ Create an empty version of the place table.
+    """
+    with temp_db_conn.cursor() as cur:
+        cur.execute("""CREATE TABLE place (
+                           osm_id int8 NOT NULL,
+                           osm_type char(1) NOT NULL,
+                           class text NOT NULL,
+                           type text NOT NULL,
+                           name hstore,
+                           admin_level smallint,
+                           address hstore,
+                           extratags hstore,
+                           geometry Geometry(Geometry,4326) NOT NULL)""")
+    temp_db_conn.commit()
+
+
+@pytest.fixture
+def place_row(place_table, temp_db_cursor):
+    """ A factory for rows in the place table. The table is created as a
+        prerequisite to the fixture.
+    """
+    idseq = itertools.count(1001)
+    def _insert(osm_type='N', osm_id=None, cls='amenity', typ='cafe', names=None,
+                admin_level=None, address=None, extratags=None, geom=None):
+        temp_db_cursor.execute("INSERT INTO place VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s)",
+                               (osm_id or next(idseq), osm_type, cls, typ, names,
+                                admin_level, address, extratags,
+                                geom or 'SRID=4326;POINT(0 0 )'))
+
+    return _insert
+
+@pytest.fixture
+def placex_table(temp_db_with_extensions, temp_db_conn):
+    """ Create an empty version of the place table.
+    """
+    with temp_db_conn.cursor() as cur:
+        cur.execute("""CREATE TABLE placex (
+                           place_id BIGINT NOT NULL,
+                           parent_place_id BIGINT,
+                           linked_place_id BIGINT,
+                           importance FLOAT,
+                           indexed_date TIMESTAMP,
+                           geometry_sector INTEGER,
+                           rank_address SMALLINT,
+                           rank_search SMALLINT,
+                           partition SMALLINT,
+                           indexed_status SMALLINT,
+                           osm_id int8,
+                           osm_type char(1),
+                           class text,
+                           type text,
+                           name hstore,
+                           admin_level smallint,
+                           address hstore,
+                           extratags hstore,
+                           geometry Geometry(Geometry,4326),
+                           wikipedia TEXT,
+                           country_code varchar(2),
+                           housenumber TEXT,
+                           postcode TEXT,
+                           centroid GEOMETRY(Geometry, 4326))
+                           """)
+    temp_db_conn.commit()
+
+