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
|
import pytest
from . import check, v
assert v # silence pyflakes
@pytest.fixture
def check_whitelist(v):
def examine(code, results_before, results_after):
v.scan(code)
check(v.get_unused_code(), results_before)
for item in v.get_unused_code():
v.scan(item.get_whitelist_string())
check(v.get_unused_code(), results_after)
return examine
def test_unused_function(check_whitelist):
code = """\
def func():
pass
"""
check_whitelist(code, ["func"], [])
def test_unused_class(check_whitelist):
code = """\
class Foo:
def __init__(self):
pass
"""
check_whitelist(code, ["Foo"], [])
def test_unused_variables(check_whitelist):
code = """\
foo = 'unused'
bar = 'variable'
"""
check_whitelist(code, ["foo", "bar"], [])
def test_unused_import(check_whitelist):
code = """\
import xyz
import foo as bar
from abc import iou
from lorem import ipsum as dolor
"""
check_whitelist(code, ["xyz", "bar", "iou", "dolor"], [])
def test_unused_attribute(check_whitelist):
code = """\
class Foo:
def bar(self):
self.foobar = 'unused attr'
"""
check_whitelist(code, ["Foo", "bar", "foobar"], [])
def test_unused_property(check_whitelist):
code = """\
class Foo:
@property
def bar(self):
pass
"""
check_whitelist(code, ["Foo", "bar"], [])
def test_unreachable_code(check_whitelist):
code = """\
def foo():
return "Foo Bar"
print("Hello")
"""
check_whitelist(code, ["foo", "return"], ["return"])
|
