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/Classwork/CS3214 - Computer Systems/Project 2 - Extensible Shell/eshtests/basic/bg_test.py
0,0 → 1,96
#!/usr/bin/python
#
# bg_test: tests the bg command
#
# Test the stop command for stopping a process by its pid.
# Requires the following commands to be implemented
# or otherwise usable:
#
# bg, sleep, stop
#
 
import sys, imp, atexit
sys.path.append("/home/courses/cs3214/software/pexpect-dpty/");
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)
 
# set timeout for all following 'expect*' calls to 2 seconds
c.timeout = 2
 
# ensure that shell prints expected prompt
assert c.expect(def_module.prompt) == 0, "Shell did not print expected prompt"
 
 
 
# run program sleep
c.sendline("sleep 30 &")
 
#Used to get the jobid and pid of the sleep process
(jobid, pid) = shellio.parse_regular_expression(c, def_module.bgjob_regex)
 
# 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)
 
 
 
#Ensure that sleep is running now 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, 'S'), 'Error: process not running'
 
 
 
#exit
c.sendline("exit");
assert c.expect("exit\r\n") == 0, "Shell output extraneous characters"
 
 
shellio.success()
/Classwork/CS3214 - Computer Systems/Project 2 - Extensible Shell/eshtests/basic/ctrl-c_test.py
0,0 → 1,63
#!/usr/bin/python
#
# Ctrl-C Test: Start a shell, send SIGINT, run a program,
# send SIGINT, then exit
#
# Requires the following commands to be implemented
# or otherwise usable:
#
# sleep, ctrl-c control
#
 
import sys, imp, atexit
sys.path.append("/home/courses/cs3214/software/pexpect-dpty/");
import pexpect, proc_check, shellio, signal, time, threading
 
#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)
 
# set timeout for all following 'expect*' calls to 2 seconds
c.timeout = 2
 
# ensure that shell prints expected prompt
assert c.expect(def_module.prompt) == 0, "Shell did not print expected prompt"
 
# run a command
c.sendline("sleep 60")
 
# The following call is necessary to ensure that the SIGINT
# we are sending below reaches the 'sleep' child.
proc_check.wait_until_child_is_in_foreground(c)
 
#checks that our process is running
proc_check.count_active_children(c, 1)
 
# send SIGINT
c.sendintr()
 
#prompt check
assert c.expect(def_module.prompt) == 0, "Shell did not print expected prompt"
 
#checks that the process was ended
proc_check.count_active_children(c, 0)
 
 
 
c.sendline("exit")
 
assert c.expect_exact("exit\r\n") == 0, "Shell output extraneous characters"
 
 
shellio.success()
/Classwork/CS3214 - Computer Systems/Project 2 - Extensible Shell/eshtests/basic/ctrl-z_test.py
0,0 → 1,88
#!/usr/bin/python
#
# Ctrl-Z Test: Start a shell, run a program,
# send SIGTSTP, wait for status msg, move in
# foreground, then send SIGINT, then exit
#
# Requires use of the following commands:
#
# ctrl-z control, fg, sleep
#
 
import sys, imp, atexit
sys.path.append("/home/courses/cs3214/software/pexpect-dpty/");
import pexpect, proc_check, shellio, signal, time, threading
 
#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)
 
# set timeout for all following 'expect*' calls to 2 seconds
c.timeout = 2
 
# ensure that shell prints expected prompt
assert c.expect(def_module.prompt) == 0, "Shell did not print expected prompt"
 
 
 
# run a command
c.sendline("sleep 60")
 
# The following call is necessary to ensure that the SIGTSTP
# we are sending below via 'sendcontrol' reaches the 'sleep' child.
proc_check.wait_until_child_is_in_foreground(c)
 
#checks the number of active child processes
#using a timeout based process count
proc_check.count_children_timeout(c, 1, 1)
 
#checks the number of active child processes
#at this moment in time
proc_check.count_active_children(c, 1)
 
 
 
# send SIGTSTP to 'sleep'
c.sendcontrol('z')
 
# shell should pick up that 'sleep' was stopped and respond with job status
# it should output a line such as [6]+ Stopped (sleep 60)
# (note that the provided regexp assumes the job name appears in parentheses,
# adjust your eshoutput.py if needed)
(jobid, statusmsg, cmdline) = \
shellio.parse_regular_expression(c, def_module.job_status_regex)
assert statusmsg == def_module.jobs_status_msg['stopped'], "Shell did not report stopped job"
 
# move job into foreground
c.sendline(def_module.builtin_commands['fg'] % jobid)
 
# when moving a job in the foreground, bash outputs its command line
assert c.expect_exact(cmdline) == 0, "Shell did not report the job moved into the foreground"
 
 
 
# send SIGINT
c.sendintr()
 
#check that the prompt prints
assert c.expect(def_module.prompt) == 0, "Shell did not print expected prompt"
 
 
 
#exit
c.sendline("exit")
assert c.expect_exact("exit\r\n") == 0, "Shell output extraneous characters"
 
 
shellio.success()
/Classwork/CS3214 - Computer Systems/Project 2 - Extensible Shell/eshtests/basic/fg_test.py
0,0 → 1,152
#!/usr/bin/python
#
# fg_test: tests the fg command
#
# Test the fg command for bringing a command back to the foreground.
# Requires the following commands to be implemented
# or otherwise usable:
#
# fg, sleep, ctrl-c control, ctrl-z control
#
 
import sys, imp, atexit
sys.path.append("/home/courses/cs3214/software/pexpect-dpty/");
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)
 
# set timeout for all following 'expect*' calls to 2 seconds
c.timeout = 2
 
# ensure that shell prints expected prompt
assert c.expect(def_module.prompt) == 0, "Shell did not print expected prompt (1)"
 
 
# run a command
c.sendline("sleep 60")
 
# The following call is necessary to ensure that the SIGTSTP
# we are sending below via 'sendcontrol' reaches the 'sleep' child.
proc_check.wait_until_child_is_in_foreground(c)
 
# send SIGTSTP to 'sleep'
c.sendcontrol('z')
 
# shell should pick up that 'sleep' was stopped and respond with job status
# it should output a line such [6]+ Stopped sleep 60
(jobid, statusmsg, cmdline) = \
shellio.parse_regular_expression(c, def_module.job_status_regex)
assert statusmsg == def_module.jobs_status_msg['stopped'], "Shell did not report stopped job"
 
# move job into foreground
c.sendline(def_module.builtin_commands['fg'] % jobid)
 
# when moving a job in the foreground, bash outputs its command line
assert c.expect_exact(cmdline) == 0, "Shell did not report the job moved into the foreground"
 
# end the program
c.sendintr()
 
 
 
# run a command
c.sendline("sleep 30 &")
 
#snag the jobid and pid of the sleep command
(jobid, pid) = 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 (2)"
 
 
 
#resume the sleep command
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)
 
#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 (3)"
 
 
 
#run a command to the background
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)
 
#Ensure that the sleep is in the foreground process group via /proc/
assert proc_check.check_pid_fgpgrp(pid2), "Error, the pid's process group is \
not the foreground process group"
 
#end the process
c.sendintr()
 
#check that the prompt prints
assert c.expect(def_module.prompt) == 0, "Shell did not print expected prompt (6)"
 
 
 
#resume the first sleep command
c.sendline(def_module.builtin_commands['fg'] % jobid)
 
#wait until the process 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"
 
 
 
#exit
c.sendline("exit");
assert c.expect_exact("exit\r\n") == 0, "Shell output extraneous characters"
 
 
shellio.success()
/Classwork/CS3214 - Computer Systems/Project 2 - Extensible Shell/eshtests/basic/jobs_test.py
0,0 → 1,164
#!/usr/bin/python
#
# jobs_test: tests the jobs command
#
# Test the jobs command for status messages and proper output
# of the command and jobid. Requires the following commands to be implemented
# or otherwise usable:
#
# jobs, ctrl-z control, ctrl-c control, sleep, fg, clear
#
 
import sys, imp, atexit
sys.path.append("/home/courses/cs3214/software/pexpect-dpty/");
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 bash. PS1 is the env variable from which bash
# draws its prompt
c = pexpect.spawn(def_module.shell, drainpty=True, logfile=logfile)
atexit.register(force_shell_termination, shell_process=c)
 
# set timeout for all following 'expect*' calls to 2 seconds
c.timeout = 2
 
# ensure that shell prints expected prompt
assert c.expect(def_module.prompt) == 0, "Shell did not print expected prompt"
 
 
 
#check that the jobs list outputs nothing
c.sendline(def_module.builtin_commands['jobs'])
 
# ensure that shell prints expected prompt
assert c.expect(def_module.prompt) == 0, "Shell did not print expected prompt"
 
 
 
# run a command
c.sendline("sleep 30")
 
#Wait until the sleep command takes over the foreground
proc_check.wait_until_child_is_in_foreground(c)
 
#send the job to the background
c.sendcontrol('z')
 
# ensure that the shell prints the expected prompt
assert c.expect(def_module.prompt) == 0, "Shell did not print expected prompt"
 
 
 
#Request the jobs list
c.sendline(def_module.builtin_commands['jobs'])
 
#Check the jobs list
(jobid, status_message, command_line) = shellio.parse_regular_expression(c, def_module.job_status_regex)
assert status_message == def_module.jobs_status_msg['stopped'] and \
'sleep 30' in command_line, "Job status not properly displayed"
 
# ensure that the shell prints the expected prompt
assert c.expect(def_module.prompt) == 0, "Shell did not print expected prompt"
 
 
 
#Add another job
c.sendline("sleep 300 &")
 
# pick up the background job output
(jobid, pid) = shellio.parse_regular_expression(c, def_module.bgjob_regex)
 
assert c.expect(def_module.prompt) == 0, "Shell did not print expected prompt"
 
#Both jobs need to be active and running before the jobs command is
#sent. if this isn't so, the test is failed.
proc_check.count_active_children(c, 2)
 
 
 
#Recheck the jobs list
c.sendline(def_module.builtin_commands['jobs'])
 
#Check the jobs list
(jobid, status_message, command_line) = \
shellio.parse_regular_expression(c, def_module.job_status_regex)
(jobid2, status_message2, command_line2) = \
shellio.parse_regular_expression(c, def_module.job_status_regex)
 
# Check that the jobs list contains both jobs in some order
 
#check the first possible order of job statuses, and then
#the second possible order.
assert (status_message == def_module.jobs_status_msg['stopped'] and \
'sleep 30' in command_line and \
\
status_message2 == def_module.jobs_status_msg['running'] and \
'sleep 300' in command_line2) \
\
or \
\
(status_message2 == def_module.jobs_status_msg['stopped'] and \
'sleep 30' in command_line2 and \
\
status_message == def_module.jobs_status_msg['running'] and \
'sleep 300' in command_line), "Job status not properly displayed"
 
# Check that there are no duplicate job id's.
assert jobid != jobid2, "Duplicate job id's."
 
assert c.expect(def_module.prompt) == 0, "Shell did not print expected prompt"
 
 
 
#bring the second sleep command back to foreground
#so that we can end it with ctrl-c
c.sendline(def_module.builtin_commands['fg'] % jobid2)
 
#Wait until the sleep command takes over the foreground
proc_check.wait_until_child_is_in_foreground(c)
 
#ctrl-c to close the process
c.sendintr()
 
 
 
#clear any printout of the old job that was just killed by ctrl-c
c.sendline(def_module.builtin_commands['jobs'])
 
#check the prompt and move past this text
assert c.expect(def_module.prompt) == 0, "Shell did not print expected prompt"
 
 
#check the prompt and move past this text
assert c.expect(def_module.prompt) == 0, "Shell did not print expected prompt"
 
 
#check the jobs list
c.sendline(def_module.builtin_commands['jobs'])
 
#check that the first job is still on the jobs list
assert (jobid, status_message, command_line) == \
shellio.parse_regular_expression(c, def_module.job_status_regex), \
"The original job was not displayed properly after ending a previous job."
 
# ensure the prompt is printed
assert c.expect(def_module.prompt) == 0, "Shell did not print expected prompt"
 
 
 
# exit
c.sendline("exit");
assert c.expect_exact("exit\r\n") == 0, "Shell output extraneous characters"
 
 
shellio.success()
/Classwork/CS3214 - Computer Systems/Project 2 - Extensible Shell/eshtests/basic/kill_test.py
0,0 → 1,81
#!/usr/bin/python
#
# kill_test: tests the kill command with the default
# semantics of:
#
# kill <jid>
#
# This test may require updating such that we test other signals
#
# Requires the following commands to be implemented
# or otherwise usable:
#
# kill, sleep
#
 
import sys, imp, atexit
sys.path.append("/home/courses/cs3214/software/pexpect-dpty/");
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)
 
# set timeout for all following 'expect*' calls to 2 seconds
c.timeout = 2
 
# ensure that the shell prints the expected prompt
assert c.expect(def_module.prompt) == 0, "Shell did not print expected prompt"
 
 
 
# run a command
c.sendline("sleep 30 &")
 
# parse the jobid and pid output
(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 kill
proc_check.count_children_timeout(c, 1, 1)
 
# Run the kill command and kill the sleep process in the background
c.sendline(def_module.builtin_commands['kill'] % jobid)
 
# ensure that the shell prints the expected prompt
assert c.expect(def_module.prompt) == 0, "Shell did not print expected prompt"
 
# ensure there is enough time for the process to be killed
time.sleep(.5)
 
 
 
# check the proc file that the process has actually been stopped
# the proc file should not exist
assert not os.path.exists("/proc/" + pid + "/stat"), 'the process was not \
killed'
 
 
# end the shell program by sending it an end-of-file character
c.sendline("exit");
 
# ensure that no extra characters are output after exiting
assert c.expect_exact("exit\r\n") == 0, "Shell output extraneous characters"
 
 
# the test was successful
shellio.success()
/Classwork/CS3214 - Computer Systems/Project 2 - Extensible Shell/eshtests/basic/stop_test.py
0,0 → 1,77
#!/usr/bin/python
#
# stop_test: tests the stop command
#
# Test the stop command for stopping a process by its pid.
# Requires the following commands to be implemented
# or otherwise usable:
#
# stop, sleep
#
 
import sys, imp, atexit
sys.path.append("/home/courses/cs3214/software/pexpect-dpty/");
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)
 
# set timeout for all following 'expect*' calls to 2 seconds
c.timeout = 2
 
# ensure that shell prints expected prompt
assert c.expect(def_module.prompt) == 0, "Shell did not print expected prompt"
 
 
 
# run a command
c.sendline("sleep 30 &")
 
# 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()