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Ignore whitespace Rev 140 → Rev 141

/Classwork/CS3214 - Computer Systems/Project 2 - Extensible Shell/eshtests/reduced/ctrl-c_test.py
0,0 → 1,65
#!/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.
# This is NOT a bullet-proof fix, you may fail on occasion!
time.sleep(1)
 
#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()