def get_ionice(self,
section=constants.SECTION_CONFIGURATION_GLOBAL) -> IONice:
if section not in self.configuration:
return None
configuration = self.configuration[section]
if constants.PARAMETER_IONICE not in configuration:
return None
ionice = self.validate_global_configuration_option(
constants.PARAMETER_IONICE,
configuration[constants.PARAMETER_IONICE])
option = None
if ionice and ionice.value:
io_class = None
io_level = None
if constants.PARAMETER_IONICE_CLASS in configuration:
io_class = self.validate_global_configuration_option(
constants.PARAMETER_IONICE_CLASS,
configuration[constants.PARAMETER_IONICE_CLASS])
if constants.PARAMETER_IONICE_LEVEL in configuration:
io_level = self.validate_global_configuration_option(
constants.PARAMETER_IONICE_LEVEL,
configuration[constants.PARAMETER_IONICE_LEVEL])
if io_class and io_level:
option = IONice(io_class.value, io_level.value)
elif io_class:
option = IONice(io_class=io_class.value)
elif io_level:
option = IONice(io_level=io_level.value)
else:
option = IONice()
return option
def test_can_get_command_with_default_value(self):
ionice = IONice()
command = ionice.get_command('Linux')
self.assertEqual(command, "ionice -c 2 -n 4")
def test_can_get_command_will_not_throw_exception_and_return_empty_string(self):
ionice = IONice(ignore_failure=True)
command = ionice.get_command('Windows')
self.assertEqual(command, "")
def test_can_get_command_with_ignore_failure(self):
ionice = IONice(io_class=3, ignore_failure=True)
command = ionice.get_command('Linux')
self.assertEqual(command, "ionice -c 3 -t")
def test_can_get_command_for_idle_class(self):
ionice = IONice(3)
command = ionice.get_command('Linux')
self.assertEqual(command, "ionice -c 3")
def test_can_get_command_for_besteffort_class(self):
ionice = IONice(2)
command = ionice.get_command('Linux')
self.assertEqual(command, "ionice -c 2 -n 4")
def test_can_get_command_for_realtime_class(self):
ionice = IONice(1)
command = ionice.get_command('Linux')
self.assertEqual(command, "ionice -c 1 -n 4")