1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
import pytest
from pybind11_tests import (kw_func0, kw_func1, kw_func2, kw_func3, kw_func4, args_function,
args_kwargs_function, kw_func_udl, kw_func_udl_z, KWClass)
def test_function_signatures(doc):
assert doc(kw_func0) == "kw_func0(arg0: int, arg1: int) -> str"
assert doc(kw_func1) == "kw_func1(x: int, y: int) -> str"
assert doc(kw_func2) == "kw_func2(x: int=100, y: int=200) -> str"
assert doc(kw_func3) == "kw_func3(data: str='Hello world!') -> None"
assert doc(kw_func4) == "kw_func4(myList: List[int]=[13, 17]) -> str"
assert doc(kw_func_udl) == "kw_func_udl(x: int, y: int=300) -> str"
assert doc(kw_func_udl_z) == "kw_func_udl_z(x: int, y: int=0) -> str"
assert doc(args_function) == "args_function(*args) -> tuple"
assert doc(args_kwargs_function) == "args_kwargs_function(*args, **kwargs) -> tuple"
assert doc(KWClass.foo0) == "foo0(self: m.KWClass, arg0: int, arg1: float) -> None"
assert doc(KWClass.foo1) == "foo1(self: m.KWClass, x: int, y: float) -> None"
def test_named_arguments(msg):
assert kw_func0(5, 10) == "x=5, y=10"
assert kw_func1(5, 10) == "x=5, y=10"
assert kw_func1(5, y=10) == "x=5, y=10"
assert kw_func1(y=10, x=5) == "x=5, y=10"
assert kw_func2() == "x=100, y=200"
assert kw_func2(5) == "x=5, y=200"
assert kw_func2(x=5) == "x=5, y=200"
assert kw_func2(y=10) == "x=100, y=10"
assert kw_func2(5, 10) == "x=5, y=10"
assert kw_func2(x=5, y=10) == "x=5, y=10"
with pytest.raises(TypeError) as excinfo:
# noinspection PyArgumentList
kw_func2(x=5, y=10, z=12)
assert excinfo.match(
r'(?s)^kw_func2\(\): incompatible.*Invoked with: kwargs: ((x=5|y=10|z=12)(, |$))' + '{3}$')
assert kw_func4() == "{13 17}"
assert kw_func4(myList=[1, 2, 3]) == "{1 2 3}"
assert kw_func_udl(x=5, y=10) == "x=5, y=10"
assert kw_func_udl_z(x=5) == "x=5, y=0"
def test_arg_and_kwargs():
args = 'arg1_value', 'arg2_value', 3
assert args_function(*args) == args
args = 'a1', 'a2'
kwargs = dict(arg3='a3', arg4=4)
assert args_kwargs_function(*args, **kwargs) == (args, kwargs)
def test_mixed_args_and_kwargs(msg):
from pybind11_tests import (mixed_plus_args, mixed_plus_kwargs, mixed_plus_args_kwargs,
mixed_plus_args_kwargs_defaults)
mpa = mixed_plus_args
mpk = mixed_plus_kwargs
mpak = mixed_plus_args_kwargs
mpakd = mixed_plus_args_kwargs_defaults
assert mpa(1, 2.5, 4, 99.5, None) == (1, 2.5, (4, 99.5, None))
assert mpa(1, 2.5) == (1, 2.5, ())
with pytest.raises(TypeError) as excinfo:
assert mpa(1)
assert msg(excinfo.value) == """
mixed_plus_args(): incompatible function arguments. The following argument types are supported:
1. (arg0: int, arg1: float, *args) -> tuple
Invoked with: 1
""" # noqa: E501 line too long
with pytest.raises(TypeError) as excinfo:
assert mpa()
assert msg(excinfo.value) == """
mixed_plus_args(): incompatible function arguments. The following argument types are supported:
1. (arg0: int, arg1: float, *args) -> tuple
Invoked with:
""" # noqa: E501 line too long
assert mpk(-2, 3.5, pi=3.14159, e=2.71828) == (-2, 3.5, {'e': 2.71828, 'pi': 3.14159})
assert mpak(7, 7.7, 7.77, 7.777, 7.7777, minusseven=-7) == (
7, 7.7, (7.77, 7.777, 7.7777), {'minusseven': -7})
assert mpakd() == (1, 3.14159, (), {})
assert mpakd(3) == (3, 3.14159, (), {})
assert mpakd(j=2.71828) == (1, 2.71828, (), {})
assert mpakd(k=42) == (1, 3.14159, (), {'k': 42})
assert mpakd(1, 1, 2, 3, 5, 8, then=13, followedby=21) == (
1, 1, (2, 3, 5, 8), {'then': 13, 'followedby': 21})
# Arguments specified both positionally and via kwargs should fail:
with pytest.raises(TypeError) as excinfo:
assert mpakd(1, i=1)
assert msg(excinfo.value) == """
mixed_plus_args_kwargs_defaults(): incompatible function arguments. The following argument types are supported:
1. (i: int=1, j: float=3.14159, *args, **kwargs) -> tuple
Invoked with: 1; kwargs: i=1
""" # noqa: E501 line too long
with pytest.raises(TypeError) as excinfo:
assert mpakd(1, 2, j=1)
assert msg(excinfo.value) == """
mixed_plus_args_kwargs_defaults(): incompatible function arguments. The following argument types are supported:
1. (i: int=1, j: float=3.14159, *args, **kwargs) -> tuple
Invoked with: 1, 2; kwargs: j=1
""" # noqa: E501 line too long
|
