import unittest
import os
from pymummer import syscall


class TestSyscall(unittest.TestCase):
    def test_run_fail(self):
        '''Test that run raises error when command fails'''
        with self.assertRaises(syscall.Error):
            syscall.run('notacommandandthrowerror')


    def test_run_ok(self):
        '''Test run is ok on command that works'''
        syscall.run('ls')