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1# This file is part of daf_butler. 

2# 

3# Developed for the LSST Data Management System. 

4# This product includes software developed by the LSST Project 

5# (http://www.lsst.org). 

6# See the COPYRIGHT file at the top-level directory of this distribution 

7# for details of code ownership. 

8# 

9# This program is free software: you can redistribute it and/or modify 

10# it under the terms of the GNU General Public License as published by 

11# the Free Software Foundation, either version 3 of the License, or 

12# (at your option) any later version. 

13# 

14# This program is distributed in the hope that it will be useful, 

15# but WITHOUT ANY WARRANTY; without even the implied warranty of 

16# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 

17# GNU General Public License for more details. 

18# 

19# You should have received a copy of the GNU General Public License 

20# along with this program. If not, see <http://www.gnu.org/licenses/>. 

21 

22"""Unit tests for the daf_butler CLI plugin loader. 

23""" 

24 

25import click 

26import click.testing 

27import unittest 

28 

29from lsst.daf.butler.cli import butler 

30 

31 

32__all__ = ["command_test"] 

33 

34 

35@click.command() 

36def command_test(): 

37 click.echo("test command") 

38 

39 

40class LoaderTestCLI(butler.LoaderCLI): 

41 """Overrides LodaerCLI._getPluginList to return a local command instead of 

42 a list of plugin modules from an environment variable.""" 

43 

44 @staticmethod 

45 def _getPluginList(): 

46 # See Lodaer.CLI._getPluginList for the standard implementation that 

47 # gets the plugin modules from the environment. 

48 # In normal use the plugin module is a file with a command that is 

49 # named in the that file's __all__ parameter, and can be imported. 

50 # For this test we use the name of this file as the module, and this 

51 # file's __all__ indicates the name of the test command that will be 

52 # executed. 

53 name = ["test_cliPluginLoader"] 

54 return name 

55 

56 

57@click.command(cls=LoaderTestCLI) 

58def cli(): 

59 pass 

60 

61 

62class Suite(unittest.TestCase): 

63 

64 def test_loadAndExecuteCommand(self): 

65 runner = click.testing.CliRunner() 

66 result = runner.invoke(cli, "command-test") 

67 self.assertEqual(result.exit_code, 0, result.output) 

68 self.assertEqual(result.stdout, "test command\n") 

69 

70 def test_loadTopHelp(self): 

71 runner = click.testing.CliRunner() 

72 result = runner.invoke(cli, "--help") 

73 self.assertEqual(result.exit_code, 0, result.stdout) 

74 self.assertIn("Commands:\n command-test", result.stdout) 

75 

76 

77if __name__ == "__main__": 77 ↛ 78line 77 didn't jump to line 78, because the condition on line 77 was never true

78 unittest.main()