text: # -*- coding: utf-8 -*-
  #
  # Copyright 2012-2015 Spotify AB
  #
  # 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 unittest
  
  import luigi
  import luigi.interface
  
  
  class ExtraArgs(luigi.Task):
      blah = luigi.Parameter(is_global=True, default=444)
  
  
  class CmdlineTest(unittest.TestCase):
  
      def test_dynamic_loading(self):
          interface = luigi.interface.ArgParseInterface()
          self.assertRaises(SystemExit, interface.parse, (['FooTask', '--blah', 'xyz', '--x', '123'],))  # should raise since it's not imported
  
          interface = luigi.interface.DynamicArgParseInterface()
          tasks = interface.parse(['--module', 'foo_module', 'FooTask', '--blah', 'xyz', '--x', '123'])
  
          self.assertEqual(ExtraArgs().blah, 'xyz')
  
          self.assertEqual(len(tasks), 1)
  
          task, = tasks
          self.assertEqual(task.x, 123)
  
          import foo_module
          self.assertEqual(task.__class__, foo_module.FooTask)
          self.assertEqual(task, foo_module.FooTask(x=123))
  
      def test_run(self):
          # TODO: this needs to run after the existing module, since by now foo_module is already imported
  
          luigi.run(['--local-scheduler', '--no-lock', '--module', 'foo_module', 'FooTask', '--x', '100'], use_dynamic_argparse=True)
  