def test_load():
parser = JsonParser()
result = parser.load(StringIO("[1, 2, 3]"))
assert result == [1, 2, 3]
def test_loads():
parser = JsonParser()
result = parser.loads("[1, 2, 3]")
assert result == [1, 2, 3]
def test_register(add_type):
JsonParser.register()
assert add_type.mock_calls == [
call('application/json', '.json'),
call('text/json', '.json'),
]