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import pytest
from . import v
assert v # Silence pyflakes
mock_code = """\
import foo
class Foo:
def __init__(self):
print("Initialized foo")
def bar(self):
self.foobar = "unused attribute"
foobar = "unused variable"
日本人 = "unused variable"
return
print("unreachable")
@property
def myprop(self):
pass
def myfunc():
pass
"""
@pytest.fixture
def check_report(v, capsys):
def test_report(code, expected, make_whitelist=False):
filename = "foo.py"
v.scan(code, filename=filename)
capsys.readouterr()
ret = v.report(make_whitelist=make_whitelist)
assert ret
assert capsys.readouterr().out == expected.format(filename=filename)
return test_report
def test_logging(v, capsys):
expected = "\u65e5\u672c\u4eba\xc0\n"
v._log("日本人À")
assert capsys.readouterr().out == expected
def test_item_report(check_report):
expected = """\
{filename}:1: unused import 'foo' (90% confidence)
{filename}:3: unused class 'Foo' (60% confidence)
{filename}:7: unused method 'bar' (60% confidence)
{filename}:8: unused attribute 'foobar' (60% confidence)
{filename}:9: unused variable 'foobar' (60% confidence)
{filename}:10: unused variable '\u65e5\u672c\u4eba' (60% confidence)
{filename}:12: unreachable code after 'return' (100% confidence)
{filename}:14: unused property 'myprop' (60% confidence)
{filename}:18: unused function 'myfunc' (60% confidence)
"""
check_report(mock_code, expected)
def test_make_whitelist(check_report):
expected = """\
foo # unused import ({filename}:1)
Foo # unused class ({filename}:3)
_.bar # unused method ({filename}:7)
_.foobar # unused attribute ({filename}:8)
foobar # unused variable ({filename}:9)
\u65e5\u672c\u4eba # unused variable ({filename}:10)
# unreachable code after 'return' ({filename}:12)
_.myprop # unused property ({filename}:14)
myfunc # unused function ({filename}:18)
"""
check_report(mock_code, expected, make_whitelist=True)
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