test_history.py

from os.path import dirname
import unittest

from .decorators import skip_if_no_mock
from .helpers import mock

from conda import history


class HistoryTestCase(unittest.TestCase):
    def test_works_as_context_manager(self):
        h = history.History("/path/to/prefix")
        self.assertTrue(getattr(h, '__enter__'))
        self.assertTrue(getattr(h, '__exit__'))

    @skip_if_no_mock
    def test_calls_update_on_enter_and_exit(self):
        h = history.History("/path/to/prefix")
        with mock.patch.object(h, 'update') as update:
            with h:
                self.assertEqual(1, update.call_count)
                pass
        self.assertEqual(2, update.call_count)

    @skip_if_no_mock
    def test_returns_history_object_as_context_object(self):
        h = history.History("/path/to/prefix")
        with mock.patch.object(h, 'update'):
            with h as h2:
                self.assertEqual(h, h2)


class UserRequestsTestCase(unittest.TestCase):

    h = history.History(dirname(__file__))
    user_requests = h.get_user_requests()

    def test_len(self):
        self.assertEqual(len(self.user_requests), 6)

    def test_0(self):
        self.assertEqual(self.user_requests[0],
                         {'cmd': ['conda', 'update', 'conda'],
                          'date': '2016-02-16 13:31:33'})

    def test_last(self):
        self.assertEqual(self.user_requests[-1],
                         {'action': 'install',
                          'cmd': ['conda', 'install', 'pyflakes'],
                          'date': '2016-02-18 22:53:20',
                          'specs': ['pyflakes', 'conda', 'python 2.7*']})