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"""module contains test for db_utils"""
from unittest import mock
import pytest
from gn3.db_utils import parse_db_url, database_connection
@pytest.mark.unit_test
@mock.patch("gn3.db_utils.mdb")
@mock.patch("gn3.db_utils.parse_db_url")
def test_database_connection(mock_db_parser, mock_sql):
"""test for creating database connection"""
mock_db_parser.return_value = ("localhost", "guest", "4321", "users", None)
with database_connection("mysql://guest:4321@localhost/users") as _conn:
mock_sql.connect.assert_called_with(
db="users", user="guest", passwd="4321", host="localhost",
port=3306)
@pytest.mark.unit_test
def test_parse_db_url():
"""test for parsing db_uri env variable"""
results = parse_db_url("mysql://username:4321@localhost/test")
expected_results = ("localhost", "username", "4321", "test", None)
assert results == expected_results
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