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import os
import pytest
from ceph_volume import exceptions, decorators, terminal
class TestNeedsRoot(object):
def test_is_root(self, monkeypatch):
def func():
return True
monkeypatch.setattr(decorators.os, 'getuid', lambda: 0)
assert decorators.needs_root(func)() is True
def test_is_not_root_env_var_skip_needs_root(self, monkeypatch):
def func():
return True
monkeypatch.setattr(decorators.os, 'getuid', lambda: 123)
monkeypatch.setattr(decorators.os, 'environ', {'CEPH_VOLUME_SKIP_NEEDS_ROOT': '1'})
assert decorators.needs_root(func)() is True
def test_is_not_root(self, monkeypatch):
def func():
return True # pragma: no cover
monkeypatch.setattr(decorators.os, 'getuid', lambda: 20)
with pytest.raises(exceptions.SuperUserError) as error:
decorators.needs_root(func)()
msg = 'This command needs to be executed with sudo or as root'
assert str(error.value) == msg
class TestExceptionMessage(object):
def test_has_str_method(self):
result = decorators.make_exception_message(RuntimeError('an error'))
expected = "%s %s\n" % (terminal.red_arrow, 'RuntimeError: an error')
assert result == expected
def test_has_no_str_method(self):
class Error(Exception):
pass
result = decorators.make_exception_message(Error())
expected = "%s %s\n" % (terminal.red_arrow, 'Error')
assert result == expected
class TestCatches(object):
def teardown_method(self):
try:
del(os.environ['CEPH_VOLUME_DEBUG'])
except KeyError:
pass
def test_ceph_volume_debug_enabled(self):
os.environ['CEPH_VOLUME_DEBUG'] = '1'
@decorators.catches() # noqa
def func():
raise RuntimeError()
with pytest.raises(RuntimeError):
func()
def test_ceph_volume_debug_disabled_no_exit(self, capsys):
@decorators.catches(exit=False)
def func():
raise RuntimeError()
func()
stdout, stderr = capsys.readouterr()
assert 'RuntimeError\n' in stderr
def test_ceph_volume_debug_exits(self, capsys):
@decorators.catches()
def func():
raise RuntimeError()
with pytest.raises(SystemExit):
func()
stdout, stderr = capsys.readouterr()
assert 'RuntimeError\n' in stderr
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