def test_replace_command_not_found():
with raises(ValueError):
_replace_command('#!', '/usr/bin/fake')
def test_replace_command_keeps_args():
assert _replace_command(
'#!/bin/bash -a -b --ccc', '/usr/bin/fake'
) == '#!/usr/bin/fake -a -b --ccc'
def test_replace_command_drops_env_usage():
assert _replace_command(
'#!/usr/bin/env bash -a -b --ccc', '/usr/bin/fake'
) == '#!/usr/bin/fake -a -b --ccc'
def test_replace_command():
assert _replace_command(
'#!/bin/bash', '/usr/bin/fake'
) == '#!/usr/bin/fake'
