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 |
# |
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import sys, imp, atexit |
sys.path.append("/home/courses/cs3214/software/pexpect-dpty/"); |
import pexpect, proc_check, shellio, signal, time, threading |
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#Ensure the shell process is terminated |
def force_shell_termination(shell_process): |
c.close(force=True) |
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#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 |
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# spawn an instance of the shell |
c = pexpect.spawn(def_module.shell, drainpty=True, logfile=logfile) |
atexit.register(force_shell_termination, shell_process=c) |
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# set timeout for all following 'expect*' calls to 2 seconds |
c.timeout = 2 |
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# ensure that shell prints expected prompt |
assert c.expect(def_module.prompt) == 0, "Shell did not print expected prompt" |
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# run a command |
c.sendline("sleep 60") |
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# 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) |
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#checks that our process is running |
proc_check.count_active_children(c, 1) |
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# send SIGINT |
c.sendintr() |
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#prompt check |
assert c.expect(def_module.prompt) == 0, "Shell did not print expected prompt" |
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#checks that the process was ended |
proc_check.count_active_children(c, 0) |
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c.sendline("exit") |
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assert c.expect_exact("exit\r\n") == 0, "Shell output extraneous characters" |
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shellio.success() |