def test_read_sys_net_reraises_oserror(self):
"""read_sys_net raises OSError/IOError when file doesn't exist."""
# Non-specific Exception because versions of python OSError vs IOError.
with self.assertRaises(Exception) as context_manager: # noqa: H202
net.read_sys_net('dev', 'attr')
error = context_manager.exception
self.assertIn('No such file or directory', str(error))
def test_read_sys_net_reraises_oserror(self):
"""read_sys_net raises OSError/IOError when file doesn't exist."""
# Non-specific Exception because versions of python OSError vs IOError.
with self.assertRaises(Exception) as context_manager: # noqa: H202
net.read_sys_net('dev', 'attr')
error = context_manager.exception
self.assertIn('No such file or directory', str(error))
def test_read_sys_net_errors_on_translation_failures(self):
"""read_sys_net raises a KeyError and logs details on failure."""
content = "you're welcome\n"
write_file(os.path.join(self.sysdir, 'dev', 'attr'), content)
with self.assertRaises(KeyError) as context_manager:
net.read_sys_net('dev', 'attr', translate={})
error = context_manager.exception
self.assertEqual('"you\'re welcome"', str(error))
self.assertIn(
"Found unexpected (not translatable) value 'you're welcome' in "
"'{0}dev/attr".format(self.sysdir), self.logs.getvalue())
def test_read_sys_net_handles_error_with_on_enoent(self):
"""read_sys_net handles OSError/IOError with on_enoent if provided."""
handled_errors = []
def on_enoent(e):
handled_errors.append(e)
net.read_sys_net('dev', 'attr', on_enoent=on_enoent)
error = handled_errors[0]
self.assertIsInstance(error, Exception)
self.assertIn('No such file or directory', str(error))
def test_read_sys_net_handles_error_with_on_enoent(self):
"""read_sys_net handles OSError/IOError with on_enoent if provided."""
handled_errors = []
def on_enoent(e):
handled_errors.append(e)
net.read_sys_net('dev', 'attr', on_enoent=on_enoent)
error = handled_errors[0]
self.assertIsInstance(error, Exception)
self.assertIn('No such file or directory', str(error))
def test_read_sys_net_errors_on_translation_failures(self):
"""read_sys_net raises a KeyError and logs details on failure."""
content = "you're welcome\n"
write_file(os.path.join(self.sysdir, 'dev', 'attr'), content)
with self.assertRaises(KeyError) as context_manager:
net.read_sys_net('dev', 'attr', translate={})
error = context_manager.exception
self.assertEqual('"you\'re welcome"', str(error))
self.assertIn(
"Found unexpected (not translatable) value 'you're welcome' in "
"'{0}dev/attr".format(self.sysdir),
self.logs.getvalue())
def test_read_sys_net_handles_handles_with_onkeyerror(self):
"""read_sys_net handles translation errors calling on_keyerror."""
content = "you're welcome\n"
write_file(os.path.join(self.sysdir, 'dev', 'attr'), content)
handled_errors = []
def on_keyerror(e):
handled_errors.append(e)
net.read_sys_net('dev', 'attr', translate={}, on_keyerror=on_keyerror)
error = handled_errors[0]
self.assertIsInstance(error, KeyError)
self.assertEqual('"you\'re welcome"', str(error))
def test_read_sys_net_handles_handles_with_onkeyerror(self):
"""read_sys_net handles translation errors calling on_keyerror."""
content = "you're welcome\n"
write_file(os.path.join(self.sysdir, 'dev', 'attr'), content)
handled_errors = []
def on_keyerror(e):
handled_errors.append(e)
net.read_sys_net('dev', 'attr', translate={}, on_keyerror=on_keyerror)
error = handled_errors[0]
self.assertIsInstance(error, KeyError)
self.assertEqual('"you\'re welcome"', str(error))
def test_read_sys_net_translates_content(self):
"""read_sys_net translates content when translate dict is provided."""
content = "you're welcome\n"
write_file(os.path.join(self.sysdir, 'dev', 'attr'), content)
translate = {"you're welcome": 'de nada'}
self.assertEqual('de nada',
net.read_sys_net('dev', 'attr', translate=translate))
def test_read_sys_net_translates_content(self):
"""read_sys_net translates content when translate dict is provided."""
content = "you're welcome\n"
write_file(os.path.join(self.sysdir, 'dev', 'attr'), content)
translate = {"you're welcome": 'de nada'}
self.assertEqual(
'de nada',
net.read_sys_net('dev', 'attr', translate=translate))
def __enter__(self):
"""linux kernel does autoconfiguration even when autoconf=0
https://www.kernel.org/doc/html/latest/networking/ipv6.html
"""
if net.read_sys_net(self.interface, "operstate") != "up":
subp.subp(
["ip", "link", "set", "dev", self.interface, "up"],
capture=False,
)
def test_read_sys_net_strips_contents_of_sys_path(self):
"""read_sys_net strips whitespace from the contents of a sys file."""
content = 'some stuff with trailing whitespace\t\r\n'
write_file(os.path.join(self.sysdir, 'dev', 'attr'), content)
self.assertEqual(content.strip(), net.read_sys_net('dev', 'attr'))
def test_read_sys_net_strips_contents_of_sys_path(self):
"""read_sys_net strips whitespace from the contents of a sys file."""
content = 'some stuff with trailing whitespace\t\r\n'
write_file(os.path.join(self.sysdir, 'dev', 'attr'), content)
self.assertEqual(content.strip(), net.read_sys_net('dev', 'attr'))
