# ensure that shell prints expected prompt assert c.expect(def_module.prompt) == 0, "Shell did not print expected prompt" # send the stop command to the process c.sendline(def_module.builtin_commands["stop"] % jobid) # Ensure that sleep has enough time to stop before we read its # /proc/ /stat file. proc_check.count_children_timeout(c, 1, 1) # Ensure that sleep is now stopped in the background, and is not # the foreground process. assert not proc_check.check_pid_fgpgrp(pid), "Error: process is in the foreground" assert proc_check.check_pid_status(pid, "T"), "Error: process not stopped" # check the prompt prints assert c.expect(def_module.prompt) == 0, "Shell did not print expected prompt" # resume the sleep program c.sendline(def_module.builtin_commands["bg"] % jobid) # check the prompt prints assert c.expect(def_module.prompt) == 0, "Shell did not print expected prompt" # Ensure that sleep has enough time to start before we read its # /proc/ /stat file. proc_check.count_children_timeout(c, 1, 1)
# pull the jobid and pid from the background process printout
(jobid, pid) = shellio.parse_regular_expression(c, def_module.bgjob_regex)
# ensure that the shell prints the expected prompt
assert c.expect(def_module.prompt) == 0, "Shell did not print expected prompt"
#The job needs to be running when we call stop
proc_check.count_children_timeout(c, 1, 1)
# send the stop command to the process
c.sendline(def_module.builtin_commands['stop'] % jobid)
#Ensure that sleep has enough time to stop before we read its
#/proc/ pid /stat file.
time.sleep(.5)
#Ensure that sleep is now stopped in the background, and is not
#the foreground process.
assert not proc_check.check_pid_fgpgrp(pid), \
'Error: process is in the foreground'
assert proc_check.check_pid_status(pid, 'T'), 'Error: process not stopped'
#check the prompt prints
assert c.expect(def_module.prompt) == 0, "Shell did not print expected prompt"
c.sendline("exit")
assert c.expect_exact("exit\r\n") == 0, "Shell output extraneous characters"
shellio.success()
#The job needs to be running when we call stop
proc_check.count_children_timeout(c, 1, 1)
# send the stop command to the process
c.sendline(def_module.builtin_commands['stop'] % jobid)
#Ensure that sleep has enough time to stop before we read its
#/proc/ pid /stat file.
time.sleep(.5)
#Ensure that sleep is now stopped in the background, and is not
#the foreground process.
assert not proc_check.check_pid_fgpgrp(pid), \
'Error: process is in the foreground'
assert proc_check.check_pid_status(pid, 'T'), 'Error: process not stopped'
#check the prompt prints
assert c.expect(def_module.prompt) == 0, "Shell did not print expected prompt"
c.sendline("exit");
assert c.expect_exact("exit\r\n") == 0, "Shell output extraneous characters"
shellio.success()
#snag the jobid and pid of the second sleep command
(jobid2, pid2) = shellio.parse_regular_expression(c, def_module.bgjob_regex)
#check the prompt prints
assert c.expect(
def_module.prompt) == 0, "Shell did not print expected prompt (4)"
#resume the command by its jobid
c.sendline(def_module.builtin_commands['fg'] % jobid)
#wait until it takes over the foreground process group
proc_check.wait_until_child_is_in_foreground(c)
#Ensure that the sleep is in the foreground process group via /proc/
assert proc_check.check_pid_fgpgrp(pid), "Error, the pid's process group is \
not the foreground process group"
#send the command back to the background
c.sendcontrol('z')
#check the prompt prints
assert c.expect(
def_module.prompt) == 0, "Shell did not print expected prompt (5)"
#resume the command by its jobid
c.sendline(def_module.builtin_commands['fg'] % jobid2)
#wait until it takes over the foreground process group
proc_check.wait_until_child_is_in_foreground(c)
import pexpect, shellio, signal, time, os, re, proc_check
#Ensure the shell process is terminated
def force_shell_termination(shell_process):
c.close(force=True)
#pulling in the regular expression and other definitions
definitions_scriptname = sys.argv[1]
def_module = imp.load_source('', definitions_scriptname)
logfile = None
if hasattr(def_module, 'logfile'):
logfile = def_module.logfile
#spawn an instance of the shell
c = pexpect.spawn(def_module.shell, drainpty=True, logfile=logfile)
atexit.register(force_shell_termination, shell_process=c)
c.timeout = 5
#backgrounding a exclusive access job will be stopped
c.sendline("vim &")
[job, pid] = shellio.parse_regular_expression(c,def_module.bgjob_regex)
assert not proc_check.check_pid_fgpgrp(pid), "process is in the forground"
c.sendline("fg 1")
c.sendline("iderp"+chr(27)+":w derpderp")
c.sendline("cat derpderp")
assert c.expect_exact("derp") == 0, "typing to vim didn't work"
shellio.success()
c.sendline("sleep 300 &")
#snag the jobid and pid of the second sleep command
(jobid2, pid2) = shellio.parse_regular_expression(c, def_module.bgjob_regex)
#check the prompt prints
assert c.expect(def_module.prompt) == 0, "Shell did not print expected prompt (4)"
#resume the command by its jobid
c.sendline(def_module.builtin_commands['fg'] % jobid)
#wait until it takes over the foreground process group
proc_check.wait_until_child_is_in_foreground(c)
#Ensure that the sleep is in the foreground process group via /proc/
assert proc_check.check_pid_fgpgrp(pid), "Error, the pid's process group is \
not the foreground process group"
#send the command back to the background
c.sendcontrol('z')
#check the prompt prints
assert c.expect(def_module.prompt) == 0, "Shell did not print expected prompt (5)"
#resume the command by its jobid
c.sendline(def_module.builtin_commands['fg'] % jobid2)
#wait until it takes over the foreground process group
proc_check.wait_until_child_is_in_foreground(c)
