"""
Unit tests for config in the Deis CLI.

Run these tests with "python -m unittest deis.tests.test_config"
or all tests with "python -m unittest discover".
"""  # pylint: disable=C0103,R0201,R0904

import os
import unittest

import pexpect


# Locate the 'deis' executable script relative to this file.
CLI = os.path.abspath(
    os.path.join(os.path.dirname(__file__), '..', 'deis'))


class TestConfig(unittest.TestCase):

    """Test configuration docs and config values."""

    def setUp(self):
        # TODO: set up the c3/api/fixtures/tests.json...somehow
        child = pexpect.spawn('{} login'.format(CLI))
        child.expect('username:')
        child.sendline('autotest')
        child.expect('password:')
        child.sendline('password')
        child.expect('Logged in as autotest.')

    def tearDown(self):
        self.child = None

    def test_config_syntax(self):
        key, value = 'MONGODB_URL', 'http://mongolab.com/test'
        # Test some invalid command line input
        child = pexpect.spawn('{} config:set {}'.format(
            CLI, key))
        child.expect('Usage: ')
        child = pexpect.spawn('{} config:set {} {}'.format(
            CLI, key, value))
        child.expect('Usage: ')
        child = pexpect.spawn('{} config set {}={}'.format(
            CLI, key, value))
        child.expect('Usage: ')

    def test_config(self):
        """Test that a user can set a config value."""
        key, value = 'MONGODB_URL', 'http://mongolab.com/test'
        child = pexpect.spawn('{} config:set {}={}'.format(
            CLI, key, value))
        child.expect(pexpect.EOF)
        child = pexpect.spawn('{} config:set {}={} DEBUG=True'.format(
            CLI, key, value))
        child.expect(pexpect.EOF)