def test_get_a_block_calls_requests(self, mock_requests_post):
mock_requests_post.return_value = Mock(status_code=200)
d = Demux()
d._get_block(555)
# assertions
mock_requests_post.assert_called_with(
'https://node2.eosphere.io/v1/chain/get_block',
json={'block_num_or_id': 555})
def test_invalid_post_raises_exception(self, mock_requests_post):
mock_requests_post.return_value = Mock(status_code=500)
d = Demux()
with pytest.raises(UnknownBlockError):
d._get_block(9999999999)
