def test_parse_expressions():
source = "foo = method(a, b, return a + b); print(foo(1, 2))"
m = Message("foo")
m.setnext(Message("="))
args = [Message("a"), Message("b")]
args.append(Message("return"))
args[-1].setnext(Message("a"))
args[-1].setnext(Message("+"))
args[-1].setnext(Message("B"))
m.setnext(Message("method", args))
m.setnext(Message(";"))
m.setnext(Message("print"))
args = [Message("1", value="1"), Message("2", value="2")]
m.setnext(Message("foo", args))
expected = m
actual = parse(lex(source))
assert actual == expected
def test_parse_message_with_arguments(source, expected):
actual = parse(lex(source))
assert actual == expected
def test_error():
with pytest.raises(MioSyntaxError) as error:
parse(lex("f("))
def test_parse_message(source, expected):
actual = parse(lex(source))
assert actual == expected
