def test_success(self, mock_log):
# A command suceeds.
jujushell.call('echo')
self.assertEqual(2, mock_log.call_count)
mock_log.assert_has_calls([
call("running the following: 'echo'"),
call("command 'echo' succeeded: '\\n'"),
])
def test_multiple_arguments(self, mock_log):
# A command with multiple arguments succeeds.
jujushell.call('echo', 'we are the borg')
self.assertEqual(2, mock_log.call_count)
mock_log.assert_has_calls([
call('running the following: "echo \'we are the borg\'"'),
call('command "echo \'we are the borg\'" succeeded: '
'\'we are the borg\\n\''),
])
def test_invalid_command(self, mock_log):
# An OSError is raised if the subprocess fails to find the provided
# command in the PATH.
with self.assertRaises(OSError) as ctx:
jujushell.call('no-such-command')
expected_error = ("command 'no-such-command' not found: [Errno 2] "
"No such file or directory: 'no-such-command'")
self.assertTrue(str(ctx.exception).startswith(expected_error))
mock_log.assert_has_calls([
call("running the following: 'no-such-command'"),
])
def test_failure(self, mock_log):
# An OSError is raise when the command fails.
with self.assertRaises(OSError) as ctx:
jujushell.call('ls', 'no-such-file')
expected_error = 'command \'ls no-such-file\' failed with retcode 2:'
obtained_error = str(ctx.exception)
self.assertTrue(obtained_error.startswith(expected_error))
mock_log.assert_has_calls([
call("running the following: 'ls no-such-file'"),
call(obtained_error),
])