test/python/test_tools_replication.py

   1 """
   2 Tests for replication functionality.
   3 """
   4 import datetime as dt
   5 import time
   6
   7 import pytest
   8 from osmium.replication.server import OsmosisState
   9
  10 import nominatim.tools.replication
  11 import nominatim.db.status as status
  12 from nominatim.errors import UsageError
  13
  14 OSM_NODE_DATA = """\
  15 <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/">
  16 <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">
  17 </node>
  18 </osm>
  19 """
  20
  21 ### init replication
  22
  23 def test_init_replication_bad_base_url(monkeypatch, status_table, place_row, temp_db_conn, temp_db_cursor):
  24     place_row(osm_type='N', osm_id=100)
  25
  26     monkeypatch.setattr(nominatim.db.status, "get_url", lambda u : OSM_NODE_DATA)
  27
  28     with pytest.raises(UsageError, match="Failed to reach replication service"):
  29         nominatim.tools.replication.init_replication(temp_db_conn, 'https://test.io')
  30
  31
  32 def test_init_replication_success(monkeypatch, status_table, place_row, temp_db_conn, temp_db_cursor):
  33     place_row(osm_type='N', osm_id=100)
  34
  35     monkeypatch.setattr(nominatim.db.status, "get_url", lambda u : OSM_NODE_DATA)
  36     monkeypatch.setattr(nominatim.tools.replication.ReplicationServer,
  37                         "timestamp_to_sequence",
  38                         lambda self, date: 234)
  39
  40     nominatim.tools.replication.init_replication(temp_db_conn, 'https://test.io')
  41
  42     temp_db_cursor.execute("SELECT * FROM import_status")
  43
  44     expected_date = dt.datetime.strptime('2006-01-27T19:09:10', status.ISODATE_FORMAT)\
  45                         .replace(tzinfo=dt.timezone.utc)
  46     assert temp_db_cursor.rowcount == 1
  47     assert temp_db_cursor.fetchone() == [expected_date, 234, True]
  48
  49
  50 ### checking for updates
  51
  52 def test_check_for_updates_empty_status_table(status_table, temp_db_conn):
  53     assert nominatim.tools.replication.check_for_updates(temp_db_conn, 'https://test.io') == 254
  54
  55
  56 def test_check_for_updates_seq_not_set(status_table, temp_db_conn):
  57     status.set_status(temp_db_conn, dt.datetime.now(dt.timezone.utc))
  58
  59     assert nominatim.tools.replication.check_for_updates(temp_db_conn, 'https://test.io') == 254
  60
  61
  62 def test_check_for_updates_no_state(monkeypatch, status_table, temp_db_conn):
  63     status.set_status(temp_db_conn, dt.datetime.now(dt.timezone.utc), seq=345)
  64
  65     monkeypatch.setattr(nominatim.tools.replication.ReplicationServer,
  66                         "get_state_info", lambda self: None)
  67
  68     assert nominatim.tools.replication.check_for_updates(temp_db_conn, 'https://test.io') == 253
  69
  70
  71 @pytest.mark.parametrize("server_sequence,result", [(344, 2), (345, 2), (346, 0)])
  72 def test_check_for_updates_no_new_data(monkeypatch, status_table, temp_db_conn,
  73                                        server_sequence, result):
  74     date = dt.datetime.now(dt.timezone.utc)
  75     status.set_status(temp_db_conn, date, seq=345)
  76
  77     monkeypatch.setattr(nominatim.tools.replication.ReplicationServer,
  78                         "get_state_info",
  79                         lambda self: OsmosisState(server_sequence, date))
  80
  81     assert nominatim.tools.replication.check_for_updates(temp_db_conn, 'https://test.io') == result
  82
  83
  84 ### updating
  85
  86 @pytest.fixture
  87 def update_options(tmpdir):
  88     return dict(base_url='https://test.io',
  89                    indexed_only=False,
  90                    update_interval=3600,
  91                    import_file=tmpdir / 'foo.osm',
  92                    max_diff_size=1)
  93
  94 def test_update_empty_status_table(status_table, temp_db_conn):
  95     with pytest.raises(UsageError):
  96         nominatim.tools.replication.update(temp_db_conn, {})
  97
  98
  99 def test_update_already_indexed(status_table, temp_db_conn):
 100     status.set_status(temp_db_conn, dt.datetime.now(dt.timezone.utc), seq=34, indexed=False)
 101
 102     assert nominatim.tools.replication.update(temp_db_conn, dict(indexed_only=True)) \
 103              == nominatim.tools.replication.UpdateState.MORE_PENDING
 104
 105
 106 def test_update_no_data_no_sleep(monkeypatch, status_table, temp_db_conn, update_options):
 107     date = dt.datetime.now(dt.timezone.utc) - dt.timedelta(days=1)
 108     status.set_status(temp_db_conn, date, seq=34)
 109
 110     monkeypatch.setattr(nominatim.tools.replication.ReplicationServer,
 111                         "apply_diffs",
 112                         lambda *args, **kwargs: None)
 113
 114     sleeptime = []
 115     monkeypatch.setattr(time, 'sleep', lambda s: sleeptime.append(s))
 116
 117     assert nominatim.tools.replication.update(temp_db_conn, update_options) \
 118              == nominatim.tools.replication.UpdateState.NO_CHANGES
 119
 120     assert not sleeptime
 121
 122
 123 def test_update_no_data_sleep(monkeypatch, status_table, temp_db_conn, update_options):
 124     date = dt.datetime.now(dt.timezone.utc) - dt.timedelta(minutes=30)
 125     status.set_status(temp_db_conn, date, seq=34)
 126
 127     monkeypatch.setattr(nominatim.tools.replication.ReplicationServer,
 128                         "apply_diffs",
 129                         lambda *args, **kwargs: None)
 130
 131     sleeptime = []
 132     monkeypatch.setattr(time, 'sleep', lambda s: sleeptime.append(s))
 133
 134     assert nominatim.tools.replication.update(temp_db_conn, update_options) \
 135              == nominatim.tools.replication.UpdateState.NO_CHANGES
 136
 137     assert len(sleeptime) == 1
 138     assert sleeptime[0] < 3600
 139     assert sleeptime[0] > 0