def test_iso8601_with_library_not_installed(monkeypatch):
when_in = datetime.datetime.utcnow()
monkeypatch.setenv(
'TEST_DATETIME_ENV_VARIABLE',
when_in.isoformat(),
)
with pytest.raises(ImportError):
env_iso8601('TEST_DATETIME_ENV_VARIABLE')
def test_env_iso8601_required_and_default_are_mutually_exclusive():
"""
test the mutual exclusivity of the `required` and `default` keywords
"""
assert 'TEST_DATETIME_ENV_VARIABLE' not in os.environ
with pytest.raises(ValueError):
env_iso8601('TEST_DATETIME_ENV_VARIABLE',
required=True,
default='some-default')
def test_iso8601_parsing(monkeypatch):
when_in = datetime.datetime.utcnow()
monkeypatch.setenv(
'TEST_DATETIME_ENV_VARIABLE',
when_in.isoformat(),
)
when_out = env_iso8601('TEST_DATETIME_ENV_VARIABLE')
assert_datetimes_almost_equal(when_in, when_out)
def test_with_no_default():
assert 'TEST_DATETIME_ENV_VARIABLE' not in os.environ
with pytest.raises(ValueError):
env_iso8601('TEST_DATETIME_ENV_VARIABLE')
