blob: 28c8ee6c9d8f2335f5cf1df82f3fbce9f4afdc5b (
plain)
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
|
# Licensed under the LGPL: https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html
# For details: https://github.com/pylint-dev/astroid/blob/main/LICENSE
# Copyright (c) https://github.com/pylint-dev/astroid/blob/main/CONTRIBUTORS.txt
import pytest
from _pytest.recwarn import WarningsRecorder
from astroid.decorators import deprecate_default_argument_values
class SomeClass:
@deprecate_default_argument_values(name="str")
def __init__(self, name=None, lineno=None):
...
@deprecate_default_argument_values("3.2", name="str", var="int")
def func(self, name=None, var=None, type_annotation=None):
...
class TestDeprecationDecorators:
@staticmethod
def test_deprecated_default_argument_values_one_arg() -> None:
with pytest.warns(DeprecationWarning) as records:
# No argument passed for 'name'
SomeClass()
assert len(records) == 1
assert "name" in records[0].message.args[0]
assert "'SomeClass.__init__'" in records[0].message.args[0]
with pytest.warns(DeprecationWarning) as records:
# 'None' passed as argument for 'name'
SomeClass(None)
assert len(records) == 1
assert "name" in records[0].message.args[0]
with pytest.warns(DeprecationWarning) as records:
# 'None' passed as keyword argument for 'name'
SomeClass(name=None)
assert len(records) == 1
assert "name" in records[0].message.args[0]
with pytest.warns(DeprecationWarning) as records:
# No value passed for 'name'
SomeClass(lineno=42)
assert len(records) == 1
assert "name" in records[0].message.args[0]
@staticmethod
def test_deprecated_default_argument_values_two_args() -> None:
instance = SomeClass(name="")
# No value of 'None' passed for both arguments
with pytest.warns(DeprecationWarning) as records:
instance.func()
assert len(records) == 2
assert "'SomeClass.func'" in records[0].message.args[0]
assert "astroid 3.2" in records[0].message.args[0]
with pytest.warns(DeprecationWarning) as records:
instance.func(None)
assert len(records) == 2
with pytest.warns(DeprecationWarning) as records:
instance.func(name=None)
assert len(records) == 2
with pytest.warns(DeprecationWarning) as records:
instance.func(var=None)
assert len(records) == 2
with pytest.warns(DeprecationWarning) as records:
instance.func(name=None, var=None)
assert len(records) == 2
with pytest.warns(DeprecationWarning) as records:
instance.func(type_annotation="")
assert len(records) == 2
# No value of 'None' for one argument
with pytest.warns(DeprecationWarning) as records:
instance.func(42)
assert len(records) == 1
assert "var" in records[0].message.args[0]
with pytest.warns(DeprecationWarning) as records:
instance.func(name="")
assert len(records) == 1
assert "var" in records[0].message.args[0]
with pytest.warns(DeprecationWarning) as records:
instance.func(var=42)
assert len(records) == 1
assert "name" in records[0].message.args[0]
@staticmethod
def test_deprecated_default_argument_values_ok(recwarn: WarningsRecorder) -> None:
"""No DeprecationWarning should be emitted
if all arguments are passed with not None values.
"""
instance = SomeClass(name="some_name")
instance.func(name="", var=42)
assert len(recwarn) == 0
|
