def test_Command_execute(Popen, out):
"""
Test the Command.execute method
"""
from paradrop.backend.pdconfd.config.command import Command
proc = MagicMock()
proc.stdout = ["output"]
proc.stderr = ["error"]
Popen.return_value = proc
command = Command(["callme"])
command.parent = MagicMock()
command.execute()
assert out.verbose.called_once_with("callme: output")
assert out.verbose.called_once_with("callme: error")
assert command.parent.executed.append.called
Popen.side_effect = Exception("Boom!")
command.execute()
assert out.info.called
def test_command():
"""
Test command execution
The true and false commands should reliably succeed and fail in most Linux
environments.
"""
cmd = ["true"]
command = Command(cmd)
command.execute()
assert command.success()
# Specifying the command as a string instead of a list.
cmd = "true"
command = Command(cmd)
command.execute()
assert command.success()
cmd = ["false"]
command = Command(cmd)
command.execute()
assert not command.success()
