def test_validate_app_workers_descriptor(self):
"""
Test whether custom validate_app_workers_descriptor method raises a ValidationError
when the app worker descriptor cannot be converted to a positive integer.
"""
with self.assertRaises(serializers.ValidationError):
descriptor_dict = {'name': 'min_number_of_workers', 'value': 'one'}
PluginSerializer.validate_app_workers_descriptor(descriptor_dict)
with self.assertRaises(serializers.ValidationError):
descriptor_dict = {'name': 'max_number_of_workers', 'value': 0}
PluginSerializer.validate_app_workers_descriptor(descriptor_dict)
def test_validate_validates_max_number_of_workers(self):
"""
Test whether custom validate method validates the 'max_number_of_workers'
descriptor.
"""
plugin = Plugin.objects.get(name=self.plugin_name)
plg_serializer = PluginSerializer(plugin)
data = self.plugin_repr.copy()
del data['parameters']
data['max_number_of_workers'] = 5
plg_serializer.validate_app_workers_descriptor = mock.Mock()
plg_serializer.validate(data)
plg_serializer.validate_app_workers_descriptor.assert_called_with(
{'name': 'max_number_of_workers', 'value': 5})