conftest.py

import pytest
import trello
from todo.connection import TrelloConnection
from todo.configuration import Configuration

TEST_LIST_INBOX = 'gtd.py__INBOX'


@pytest.fixture
def config():
    return Configuration.from_file()


@pytest.fixture
def test_conn(config):
    if config.test_board is None:
        pytest.fail(
            'Define test_board in your config to run gtd.py tests. This board will be deleted as part of the tests, so make sure the name does not conflict with an existing board name'
        )
    return TrelloConnection(config)


@pytest.fixture
def test_board(config, test_conn):
    '''Creates the board if it doesn't already exist'''
    possible = [b for b in test_conn.boards if b['name'] == config.test_board]
    if possible:
        board_json = possible[0]
        board = trello.Board.from_json(test_conn.trello, json_obj=board_json)
    else:
        board = test_conn.trello.add_board(config.test_board)
    return board


@pytest.fixture
def test_list(test_board):
    target_lists = filter(lambda x: x.name == TEST_LIST_INBOX, test_board.get_lists('open'))
    try:
        inbox = next(target_lists)
    except StopIteration:
        inbox = test_board.add_list(TEST_LIST_INBOX)
    return inbox