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import logging
import pytest
from redshift_connector import InterfaceError, RedshiftProperty
LOGGER = logging.getLogger(__name__)
LOGGER.propagate = True
def test_set_region_from_endpoint_lookup(db_kwargs) -> None:
rp: RedshiftProperty = RedshiftProperty()
rp.put(key="host", value=db_kwargs["host"])
rp.put(key="port", value=db_kwargs["port"])
rp.set_region_from_host()
expected_region = rp.region
rp.region = None
rp.set_region_from_endpoint_lookup()
assert rp.region == expected_region
@pytest.mark.parametrize("host, port", [("x", 1000), ("amazon.com", -1), ("-o", 5439)])
def test_set_region_from_endpoint_lookup_raises(host, port, caplog) -> None:
import logging
rp: RedshiftProperty = RedshiftProperty()
rp.put(key="host", value=host)
rp.put(key="port", value=port)
expected_msg: str = "Unable to automatically determine AWS region from host {} port {}. Please check host and port connection parameters are correct.".format(
host, port
)
with caplog.at_level(logging.DEBUG):
rp.set_region_from_endpoint_lookup()
assert expected_msg in caplog.text
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