def _test_pipe_composable(self):
"""we should be able to compose pipes of pipes """
Pipe(Pipe(Sh("echo foo")),
Pipe(Sh("cat; echo bar")),
Pipe(Cmd("cat", {1: os.devnull}))).run(),
self.assertEquals(
[0,0,0])
self.assertEquals(len(JOBS), 0)
" yes | grep no"
yesno = Pipe(
Pipe(Cmd('yes')),
Pipe(Cmd(['grep', 'no']))).spawn()
yesno.cmds[0].kill()
self.assertEquals(yesno.cmds[-1].wait(), 1)
self.assertEquals(yesno.wait(), 1)
self.assertEquals(len(JOBS), 0)
pipe_a = Pipe(Cmd('echo foo'))
pdb.set_trace()
ab = pipe_a._popen()
self.assertSh(pipe_a.running_fd_objs[STDOUT].read(), 'foo')
def test_spawn(self):
self.assertEquals(len(JOBS), 0)
" yes | grep no"
yesno = Pipe(Cmd('yes'), Cmd(['grep', 'no'])).spawn()
yesno.cmds[0].kill()
self.assertEquals(yesno.cmds[-1].wait(), 1)
self.assertEquals(yesno.wait(), 1)
self.assertEquals(len(JOBS), 0)