def test_json_roundtrip():
i = Inquiry(resource='books:abc',
action='view',
subject='bobby',
context={'ip': '127.0.0.1'})
s = i.to_json()
r1 = Inquiry.from_json(s)
assert 'books:abc' == r1.resource
assert 'view' == r1.action
assert 'bobby' == r1.subject
assert {'ip': '127.0.0.1'} == r1.context
def test_can_create_empty_inquiry():
i = Inquiry()
assert isinstance(i, Inquiry)
i2 = Inquiry.from_json('{}')
assert isinstance(i2, Inquiry)
def test_json_decode_fails_for_incorrect_data():
with pytest.raises(ValueError):
Inquiry.from_json('{')
