def test_from_param_for_CommandSpec_is_passthrough(self):
"""
from_param should return an instance of a CommandSpec
"""
cmd = ei.CommandSpec(['python'])
cmd_new = ei.CommandSpec.from_param(cmd)
assert cmd is cmd_new
def test_custom_launch_command(self):
"""
Show how a custom CommandSpec could be used to specify a #! executable
which takes parameters.
"""
cmd = ei.CommandSpec(['/usr/bin/env', 'python3'])
assert cmd.as_header() == '#!/usr/bin/env python3\n'
