def test_assignment_not_counted_as_reference(git_dir, capsys):
git_dir.join('f.py').write('x = 1')
git_dir.join('g.py').write('import f\nf.x = 2')
subprocess.check_call(('git', 'add', '.'))
assert dead.main(())
out, _ = capsys.readouterr()
assert out == 'x is never read, defined in f.py:1\n'
def test_ignore_unused_arguments_stubs(git_dir):
git_dir.join('f.py').write(
'import abc\n'
'from typing import overload\n'
'class C:\n'
' @abc.abstractmethod\n'
' def func(self, arg1):\n'
' pass\n'
'def func2(arg2):\n'
' pass\n'
'def func3(arg3):\n'
' pass\n'
'@overload\n'
'def func4(arg4):\n'
' ...\n'
'def func5(arg5):\n'
' """docstring but trivial"""\n'
'def func6(arg6):\n'
' raise NotImplementedError\n'
'def func7(arg7):\n'
' raise NotImplementedError()\n'
'def func8(arg8):\n'
' """docstring plus raise"""\n'
' raise NotImplementedError()\n'
'def func9(arg9):\n'
' raise AssertionError("unreachable")\n'
'C.func, func2, func3, func4, func5, func6, func7, func8, func9\n', )
subprocess.check_call(('git', 'add', '.'))
assert not dead.main(())
def test_ignored_arguments(git_dir):
git_dir.join('f.py').write(
'class C:\n'
' @classmethod\n'
' def f(cls): return 1\n' # allow conventional `cls` method
'C.f', )
subprocess.check_call(('git', 'add', '.'))
assert not dead.main(())
def test_setup_cfg_entry_points_marked_as_used(git_dir):
git_dir.join('setup.cfg').write(
'[options.entry_points]\n'
'console_scripts=\n'
' X=x:main\n', )
git_dir.join('x.py').write('def main(): ...')
subprocess.check_call(('git', 'add', '.'))
assert not dead.main(())
def test_setup_py_entrypoints_mark_as_used(git_dir, capsys):
git_dir.join('setup.py').write(
'from setuptools import setup\n'
'setup(name="x", entry_points={"console_scripts": ["X=x:main"]})\n', )
git_dir.join('x.py').write('def main(): ...')
subprocess.check_call(('git', 'add', '.'))
assert not dead.main(())
assert not any(capsys.readouterr())
def test_partially_disabled(git_dir, capsys):
git_dir.join('f.py').write('x = 1\n'
'x = 1 # dead: disable\n'
'x = 1\n', )
subprocess.check_call(('git', 'add', '.'))
assert dead.main(())
out, _ = capsys.readouterr()
assert out == 'x is never read, defined in f.py:1, f.py:3\n'
def test_unused_argument(git_dir, capsys):
git_dir.join('f.py').write('def f(a, *b, c, **d): return 1\nf')
subprocess.check_call(('git', 'add', '.'))
assert dead.main(())
out, _ = capsys.readouterr()
assert out == ('a is never read, defined in f.py:1\n'
'b is never read, defined in f.py:1\n'
'c is never read, defined in f.py:1\n'
'd is never read, defined in f.py:1\n')
def test_unused_posonly_argument(git_dir, capsys): # pragma: >=3.8 cover
git_dir.join('f.py').write(
'def f(unused, /):\n'
' return 1\n'
'print(f)\n', )
subprocess.check_call(('git', 'add', '.'))
assert dead.main(())
out, _ = capsys.readouterr()
assert out == 'unused is never read, defined in f.py:1\n'
def test_only_referenced_in_tests(git_dir, capsys):
git_dir.join('f.py').write('x = y = 1\n')
git_dir.join('tests').ensure_dir().join('f_test.py').write(
'from f import x, y\n'
'def test(): assert x == 1\n'
'class Test:\n'
' suite = "unit"\n'
' def test(self): assert y == 1\n', )
subprocess.check_call(('git', 'add', '.'))
assert dead.main(())
out, _ = capsys.readouterr()
assert out == ('x is only referenced in tests, defined in f.py:1\n'
'y is only referenced in tests, defined in f.py:1\n')
def test_is_marked_as_used(git_dir, capsys, s):
git_dir.join('f.py').write(s)
subprocess.check_call(('git', 'add', '.'))
assert not dead.main(())
assert not any(capsys.readouterr())
def test_setup_cfg_without_attribute_entry_point(git_dir):
git_dir.join('setup.cfg').write(
'[options.entry_points]\n'
' pip-custom-platform = pip_custom_platform.pymonkey\n', )
subprocess.check_call(('git', 'add', '.'))
assert not dead.main(())
def test_setup_cfg_without_entry_points(git_dir):
git_dir.join('setup.cfg').write('[wheel]\n' 'universal = 1\n', )
subprocess.check_call(('git', 'add', '.'))
assert not dead.main(())
def test_using_an_argument(git_dir):
git_dir.join('f.py').write('def f(g): return g\nf')
subprocess.check_call(('git', 'add', '.'))
assert not dead.main(())
def test_unused_argument_in_scope(git_dir, capsys):
git_dir.join('f.py').write('def f(g): return 1\ndef g(): pass\ng\nf\n')
subprocess.check_call(('git', 'add', '.'))
assert dead.main(())
out, _ = capsys.readouterr()
assert out == 'g is never read, defined in f.py:1\n'
def test_never_referenced(git_dir, capsys):
git_dir.join('f.py').write('x = 1')
subprocess.check_call(('git', 'add', '.'))
assert dead.main(())
out, _ = capsys.readouterr()
assert out == 'x is never read, defined in f.py:1\n'
def test_deleted_file_dont_raise_error(git_dir):
module = git_dir.join('test-module.py')
module.write('print(1)')
subprocess.check_call(('git', 'add', '.'))
module.remove()
assert not dead.main(())
def test_unused_dead_disable_comment(git_dir, capsys):
git_dir.join('f.py').write('x = 1 # dead: disable\nprint(x)\n')
subprocess.check_call(('git', 'add', '.'))
assert dead.main(())
out, _ = capsys.readouterr()
assert out == 'f.py:1: unused `# dead: disable`\n'
