import pytest
from helpers.cluster import ClickHouseCluster

cluster = ClickHouseCluster(__file__)
instance = cluster.add_instance('instance', config_dir="configs")


@pytest.fixture(scope="module", autouse=True)
def setup_nodes():
    try:
        cluster.start()

        instance.query("CREATE USER sasha")
        instance.query("CREATE USER masha IDENTIFIED BY 'qwerty'")

        yield cluster

    finally:
        cluster.shutdown()


def test_authentication_pass():
    assert instance.query("SELECT currentUser()", user='sasha') == 'sasha\n'
    assert instance.query("SELECT currentUser()", user='masha', password='qwerty') == 'masha\n'


def test_authentication_fail():
    # User doesn't exist.
    assert "vasya: Authentication failed" in instance.query_and_get_error("SELECT currentUser()", user = 'vasya')
    
    # Wrong password.
    assert "masha: Authentication failed" in instance.query_and_get_error("SELECT currentUser()", user = 'masha', password = '123')