import os, sys, re
import argparse, time
+import signal, atexit
-import pty
from subprocess import Popen, STDOUT, PIPE
from select import select
+# Pseudo-TTY and terminal manipulation
+import pty, array, fcntl, termios
+
+IS_PY_3 = sys.version_info[0] == 3
+
# TODO: do we need to support '\n' too
sep = "\r\n"
#sep = "\n"
help="default timeout for each individual test action")
parser.add_argument('--pre-eval', default=None, type=str,
help="Mal code to evaluate prior to running the test")
-parser.add_argument('--redirect', action='store_true',
- help="Run implementation in bash and redirect output to /dev/null")
+parser.add_argument('--no-pty', action='store_true',
+ help="Use direct pipes instead of pseudo-tty")
parser.add_argument('test_file', type=argparse.FileType('r'),
help="a test file formatted as with mal test data")
"specify a Mal command line with dashed options.")
class Runner():
- def __init__(self, args, redirect=False):
- print "args: %s" % repr(args)
- if redirect:
- print "using redirect"
- self.p = Popen(args, bufsize=0, stdin=PIPE, stdout=PIPE, stderr=STDOUT)
+ def __init__(self, args, no_pty=False):
+ #print "args: %s" % repr(args)
+ self.no_pty = no_pty
+
+ # Cleanup child process on exit
+ atexit.register(self.cleanup)
+
+ self.p = None
+ env = os.environ
+ env['TERM'] = 'dumb'
+ env['INPUTRC'] = '/dev/null'
+ env['PERL_RL'] = 'false'
+ if no_pty:
+ self.p = Popen(args, bufsize=0,
+ stdin=PIPE, stdout=PIPE, stderr=STDOUT,
+ preexec_fn=os.setsid,
+ env=env)
self.stdin = self.p.stdin
self.stdout = self.p.stdout
else:
# provide tty to get 'interactive' readline to work
master, slave = pty.openpty()
- self.p = Popen(args, bufsize=0, stdin=slave, stdout=slave, stderr=STDOUT)
+
+ # Set terminal size large so that readline will not send
+ # ANSI/VT escape codes when the lines are long.
+ buf = array.array('h', [100, 200, 0, 0])
+ fcntl.ioctl(master, termios.TIOCSWINSZ, buf, True)
+
+ self.p = Popen(args, bufsize=0,
+ stdin=slave, stdout=slave, stderr=STDOUT,
+ preexec_fn=os.setsid,
+ env=env)
+ # Now close slave so that we will get an exception from
+ # read when the child exits early
+ # http://stackoverflow.com/questions/11165521
+ os.close(slave)
self.stdin = os.fdopen(master, 'r+b', 0)
self.stdout = self.stdin
def read_to_prompt(self, prompts, timeout):
end_time = time.time() + timeout
while time.time() < end_time:
- [outs,_,_] = select([self.stdin], [], [], 1)
- if self.stdin in outs:
- new_data = self.stdin.read(1)
+ [outs,_,_] = select([self.stdout], [], [], 1)
+ if self.stdout in outs:
+ new_data = self.stdout.read(1)
+ new_data = new_data.decode("utf-8") if IS_PY_3 else new_data
#print "new_data: '%s'" % new_data
- self.buf += new_data
+ if self.no_pty:
+ self.buf += new_data.replace("\n", "\r\n")
+ else:
+ self.buf += new_data
for prompt in prompts:
regexp = re.compile(prompt)
match = regexp.search(self.buf)
return buf
return None
- def write(self, str):
- self.stdout.write(str)
+ def writeline(self, str):
+ def _to_bytes(s):
+ return bytes(s, "utf-8") if IS_PY_3 else s
+
+ self.stdin.write(_to_bytes(str + "\n"))
+
+ def cleanup(self):
+ #print "cleaning up"
+ if self.p:
+ try:
+ os.killpg(self.p.pid, signal.SIGTERM)
+ except OSError:
+ pass
+ self.p = None
+
args = parser.parse_args(sys.argv[1:])
test_data = args.test_file.read().split('\n')
if args.rundir: os.chdir(args.rundir)
-r = Runner(args.mal_cmd, redirect=args.redirect)
+r = Runner(args.mal_cmd, no_pty=args.no_pty)
test_idx = 0
elif line[0:3] == ";;;": # ignore comment
continue
elif line[0:2] == ";;": # output comment
- print line[3:]
+ print(line[3:])
continue
elif line[0:2] == ";": # unexpected comment
- print "Test data error at line %d:\n%s" % (test_idx, line)
+ print("Test data error at line %d:\n%s" % (test_idx, line))
return None, None, None, test_idx
form = line # the line is a form to send
header = r.read_to_prompt(['user> ', 'mal-user> '], timeout=timeout)
if not header == None:
if header:
- print "Started with:\n%s" % header
+ print("Started with:\n%s" % header)
else:
- print "Did not get 'user> ' or 'mal-user> ' prompt"
- print " Got : %s" % repr(r.buf)
+ print("Did not get 'user> ' or 'mal-user> ' prompt")
+ print(" Got : %s" % repr(r.buf))
sys.exit(1)
break
sys.stdout.write("TEST: %s -> [%s,%s]" % (form, repr(out), repr(ret)))
sys.stdout.flush()
- expected = "%s%s%s%s" % (form, sep, out, ret)
- r.write(form + "\n")
+ # The repeated form is to get around an occasional OS X issue
+ # where the form is repeated.
+ # https://github.com/kanaka/mal/issues/30
+ expected = ["%s%s%s%s" % (form, sep, out, ret),
+ "%s%s%s%s%s%s" % (form, sep, form, sep, out, ret)]
+
+ r.writeline(form)
try:
res = r.read_to_prompt(['\r\nuser> ', '\nuser> ',
'\r\nmal-user> ', '\nmal-user> '],
timeout=args.test_timeout)
#print "%s,%s,%s" % (idx, repr(p.before), repr(p.after))
- if ret == "*" or res == expected:
- print " -> SUCCESS"
+ if ret == "*" or res in expected:
+ print(" -> SUCCESS")
else:
- print " -> FAIL (line %d):" % line_num
- print " Expected : %s" % repr(expected)
- print " Got : %s" % repr(res)
+ print(" -> FAIL (line %d):" % line_num)
+ print(" Expected : %s" % repr(expected))
+ print(" Got : %s" % repr(res))
fail_cnt += 1
except:
- print "Got Exception"
+ _, exc, _ = sys.exc_info()
+ print("\nException: %s" % repr(exc))
+ print("Output before exception:\n%s" % r.buf)
sys.exit(1)
if fail_cnt > 0:
- print "FAILURES: %d" % fail_cnt
+ print("FAILURES: %d" % fail_cnt)
sys.exit(2)
sys.exit(0)