def test_execute_error_must_pass_through(self, monkeypatch):
snowflake_module_connect_method = MagicMock()
connection = MagicMock(spec=sf.SnowflakeConnection)
cursor = MagicMock(spec=sf.DictCursor)
# link all the mocks together appropriately
snowflake_module_connect_method.return_value = connection
connection.cursor = cursor
# database cursors can be ugly to mock given the use of __enter__
cursor.return_value.__enter__.return_value.execute.side_effect = (
sf.DatabaseError("Invalid query"))
snowflake_connector_module = MagicMock(
connect=snowflake_module_connect_method)
monkeypatch.setattr("prefect.tasks.snowflake.snowflake.sf",
snowflake_connector_module)
task = SnowflakeQuery(account="test",
user="******",
password="******",
warehouse="test")
with pytest.raises(sf.errors.DatabaseError, match="Invalid query"):
task.run(query="SELECT * FROM foo")
def test_execute_error_must_pass_through(self, monkeypatch, sql_file):
connection = MagicMock(spec=sf.SnowflakeConnection)
snowflake_module_connect_method = MagicMock(return_value=connection)
snowflake_connector_module = MagicMock(connect=snowflake_module_connect_method)
# setting error
connection.execute_string.side_effect = sf.DatabaseError("Invalid query")
monkeypatch.setattr(
"prefect.tasks.snowflake.snowflake.sf", snowflake_connector_module
)
task = SnowflakeQueriesFromFile(
account="test", user="******", password="******", warehouse="test"
)
with pytest.raises(sf.errors.DatabaseError, match="Invalid query"):
task.run(file_path=sql_file)
