Nominatim/test/python/tools/test_replication.py
Sarah Hoffmann b90e719da5 organise python tests in subdirectories
The directories follow the same structure as the modules in
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2021-11-30 11:22:26 +01:00

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Python

"""
Tests for replication functionality.
"""
import datetime as dt
import time
import pytest
from osmium.replication.server import OsmosisState
import nominatim.tools.replication
import nominatim.db.status as status
from nominatim.errors import UsageError
OSM_NODE_DATA = """\
<osm version="0.6" generator="OpenStreetMap server" copyright="OpenStreetMap and contributors" attribution="http://www.openstreetmap.org/copyright" license="http://opendatacommons.org/licenses/odbl/1-0/">
<node id="100" visible="true" version="1" changeset="2047" timestamp="2006-01-27T22:09:10Z" user="Foo" uid="111" lat="48.7586670" lon="8.1343060">
</node>
</osm>
"""
@pytest.fixture(autouse=True)
def setup_status_table(status_table):
pass
### init replication
def test_init_replication_bad_base_url(monkeypatch, place_row, temp_db_conn):
place_row(osm_type='N', osm_id=100)
monkeypatch.setattr(nominatim.db.status, "get_url", lambda u: OSM_NODE_DATA)
with pytest.raises(UsageError, match="Failed to reach replication service"):
nominatim.tools.replication.init_replication(temp_db_conn, 'https://test.io')
def test_init_replication_success(monkeypatch, place_row, temp_db_conn, temp_db_cursor):
place_row(osm_type='N', osm_id=100)
monkeypatch.setattr(nominatim.db.status, "get_url", lambda u: OSM_NODE_DATA)
monkeypatch.setattr(nominatim.tools.replication.ReplicationServer,
"timestamp_to_sequence",
lambda self, date: 234)
nominatim.tools.replication.init_replication(temp_db_conn, 'https://test.io')
expected_date = dt.datetime.strptime('2006-01-27T19:09:10', status.ISODATE_FORMAT)\
.replace(tzinfo=dt.timezone.utc)
assert temp_db_cursor.row_set("SELECT * FROM import_status") \
== {(expected_date, 234, True)}
### checking for updates
def test_check_for_updates_empty_status_table(temp_db_conn):
assert nominatim.tools.replication.check_for_updates(temp_db_conn, 'https://test.io') == 254
def test_check_for_updates_seq_not_set(temp_db_conn):
status.set_status(temp_db_conn, dt.datetime.now(dt.timezone.utc))
assert nominatim.tools.replication.check_for_updates(temp_db_conn, 'https://test.io') == 254
def test_check_for_updates_no_state(monkeypatch, temp_db_conn):
status.set_status(temp_db_conn, dt.datetime.now(dt.timezone.utc), seq=345)
monkeypatch.setattr(nominatim.tools.replication.ReplicationServer,
"get_state_info", lambda self: None)
assert nominatim.tools.replication.check_for_updates(temp_db_conn, 'https://test.io') == 253
@pytest.mark.parametrize("server_sequence,result", [(344, 2), (345, 2), (346, 0)])
def test_check_for_updates_no_new_data(monkeypatch, temp_db_conn,
server_sequence, result):
date = dt.datetime.now(dt.timezone.utc)
status.set_status(temp_db_conn, date, seq=345)
monkeypatch.setattr(nominatim.tools.replication.ReplicationServer,
"get_state_info",
lambda self: OsmosisState(server_sequence, date))
assert nominatim.tools.replication.check_for_updates(temp_db_conn, 'https://test.io') == result
### updating
@pytest.fixture
def update_options(tmpdir):
return dict(base_url='https://test.io',
indexed_only=False,
update_interval=3600,
import_file=tmpdir / 'foo.osm',
max_diff_size=1)
def test_update_empty_status_table(temp_db_conn):
with pytest.raises(UsageError):
nominatim.tools.replication.update(temp_db_conn, {})
def test_update_already_indexed(temp_db_conn):
status.set_status(temp_db_conn, dt.datetime.now(dt.timezone.utc), seq=34, indexed=False)
assert nominatim.tools.replication.update(temp_db_conn, dict(indexed_only=True)) \
== nominatim.tools.replication.UpdateState.MORE_PENDING
def test_update_no_data_no_sleep(monkeypatch, temp_db_conn, update_options):
date = dt.datetime.now(dt.timezone.utc) - dt.timedelta(days=1)
status.set_status(temp_db_conn, date, seq=34)
monkeypatch.setattr(nominatim.tools.replication.ReplicationServer,
"apply_diffs",
lambda *args, **kwargs: None)
sleeptime = []
monkeypatch.setattr(time, 'sleep', sleeptime.append)
assert nominatim.tools.replication.update(temp_db_conn, update_options) \
== nominatim.tools.replication.UpdateState.NO_CHANGES
assert not sleeptime
def test_update_no_data_sleep(monkeypatch, temp_db_conn, update_options):
date = dt.datetime.now(dt.timezone.utc) - dt.timedelta(minutes=30)
status.set_status(temp_db_conn, date, seq=34)
monkeypatch.setattr(nominatim.tools.replication.ReplicationServer,
"apply_diffs",
lambda *args, **kwargs: None)
sleeptime = []
monkeypatch.setattr(time, 'sleep', sleeptime.append)
assert nominatim.tools.replication.update(temp_db_conn, update_options) \
== nominatim.tools.replication.UpdateState.NO_CHANGES
assert len(sleeptime) == 1
assert sleeptime[0] < 3600
assert sleeptime[0] > 0