#!/usr/bin/env python # # Licensed under the Apache License, Version 2.0 (the "License"); you may # not use this file except in compliance with the License. You may obtain # a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the # License for the specific language governing permissions and limitations # under the License. import weakref from cliff import lister import mock class FauxFormatter(object): def __init__(self): self.args = [] self.obj = weakref.proxy(self) def emit_list(self, columns, data, stdout, args): self.args.append((columns, data)) class ExerciseLister(lister.Lister): def _load_formatter_plugins(self): return { 'test': FauxFormatter(), } def take_action(self, parsed_args): return ( parsed_args.columns, [('a', 'A'), ('b', 'B')], ) def test_formatter_args(): app = mock.Mock() test_lister = ExerciseLister(app, []) parsed_args = mock.Mock() parsed_args.columns = ('Col1', 'Col2') parsed_args.formatter = 'test' test_lister.run(parsed_args) f = test_lister._formatter_plugins['test'] assert len(f.args) == 1 args = f.args[0] assert args[0] == list(parsed_args.columns) data = list(args[1]) assert data == [['a', 'A'], ['b', 'B']] def test_no_exist_column(): test_lister = ExerciseLister(mock.Mock(), []) parsed_args = mock.Mock() parsed_args.columns = ('no_exist_column',) parsed_args.formatter = 'test' with mock.patch.object(test_lister, 'take_action') as mock_take_action: mock_take_action.return_value = (('Col1', 'Col2', 'Col3'), []) try: test_lister.run(parsed_args) except ValueError: pass else: assert False, 'Should have had an exception'