mirror of
https://github.com/kanaka/mal.git
synced 2024-09-20 01:57:09 +03:00
406761e769
- make sure readline has large enough string for steps2-A - fix keyword? so that it doesn't leave anything extra on the stack - fix argparse command line parsing so that that the second '--' on the command line is not dropped.
259 lines
8.7 KiB
Python
Executable File
259 lines
8.7 KiB
Python
Executable File
#!/usr/bin/env python
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import os, sys, re
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import argparse, time
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import signal, atexit
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from subprocess import Popen, STDOUT, PIPE
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from select import select
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# Pseudo-TTY and terminal manipulation
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import pty, array, fcntl, termios
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IS_PY_3 = sys.version_info[0] == 3
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# TODO: do we need to support '\n' too
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sep = "\r\n"
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#sep = "\n"
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rundir = None
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parser = argparse.ArgumentParser(
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description="Run a test file against a Mal implementation")
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parser.add_argument('--rundir',
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help="change to the directory before running tests")
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parser.add_argument('--start-timeout', default=10, type=int,
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help="default timeout for initial prompt")
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parser.add_argument('--test-timeout', default=20, type=int,
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help="default timeout for each individual test action")
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parser.add_argument('--pre-eval', default=None, type=str,
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help="Mal code to evaluate prior to running the test")
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parser.add_argument('--no-pty', action='store_true',
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help="Use direct pipes instead of pseudo-tty")
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parser.add_argument('--log-file', type=str,
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help="Write all test interaction the named file")
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parser.add_argument('--soft', action='store_true',
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help="Report but do not fail tests after ';>>> soft=True'")
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parser.add_argument('test_file', type=argparse.FileType('r'),
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help="a test file formatted as with mal test data")
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parser.add_argument('mal_cmd', nargs="*",
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help="Mal implementation command line. Use '--' to "
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"specify a Mal command line with dashed options.")
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class Runner():
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def __init__(self, args, no_pty=False, log_file=None):
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#print "args: %s" % repr(args)
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self.no_pty = no_pty
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if log_file: self.logf = open(log_file, "a")
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else: self.logf = None
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# Cleanup child process on exit
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atexit.register(self.cleanup)
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self.p = None
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env = os.environ
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env['TERM'] = 'dumb'
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env['INPUTRC'] = '/dev/null'
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env['PERL_RL'] = 'false'
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if no_pty:
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self.p = Popen(args, bufsize=0,
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stdin=PIPE, stdout=PIPE, stderr=STDOUT,
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preexec_fn=os.setsid,
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env=env)
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self.stdin = self.p.stdin
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self.stdout = self.p.stdout
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else:
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# provide tty to get 'interactive' readline to work
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master, slave = pty.openpty()
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# Set terminal size large so that readline will not send
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# ANSI/VT escape codes when the lines are long.
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buf = array.array('h', [100, 200, 0, 0])
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fcntl.ioctl(master, termios.TIOCSWINSZ, buf, True)
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self.p = Popen(args, bufsize=0,
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stdin=slave, stdout=slave, stderr=STDOUT,
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preexec_fn=os.setsid,
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env=env)
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# Now close slave so that we will get an exception from
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# read when the child exits early
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# http://stackoverflow.com/questions/11165521
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os.close(slave)
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self.stdin = os.fdopen(master, 'r+b', 0)
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self.stdout = self.stdin
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#print "started"
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self.buf = ""
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self.last_prompt = ""
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def read_to_prompt(self, prompts, timeout):
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end_time = time.time() + timeout
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while time.time() < end_time:
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[outs,_,_] = select([self.stdout], [], [], 1)
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if self.stdout in outs:
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new_data = self.stdout.read(1)
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new_data = new_data.decode("utf-8") if IS_PY_3 else new_data
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#print "new_data: '%s'" % new_data
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self.log(new_data)
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if self.no_pty:
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self.buf += new_data.replace("\n", "\r\n")
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else:
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self.buf += new_data
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for prompt in prompts:
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regexp = re.compile(prompt)
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match = regexp.search(self.buf)
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if match:
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end = match.end()
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buf = self.buf[0:end-len(prompt)]
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self.buf = self.buf[end:]
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self.last_prompt = prompt
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return buf
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return None
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def log(self, data):
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if self.logf:
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self.logf.write(data)
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self.logf.flush()
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def writeline(self, str):
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def _to_bytes(s):
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return bytes(s, "utf-8") if IS_PY_3 else s
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self.stdin.write(_to_bytes(str + "\n"))
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def cleanup(self):
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#print "cleaning up"
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if self.p:
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try:
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os.killpg(self.p.pid, signal.SIGTERM)
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except OSError:
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pass
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self.p = None
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class TestReader:
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def __init__(self, test_file):
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self.line_num = 0
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self.data = test_file.read().split('\n')
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self.soft = False
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def next(self):
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self.form = None
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self.out = ""
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self.ret = None
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while self.data:
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self.line_num += 1
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line = self.data.pop(0)
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if re.match(r"^\s*$", line): # blank line
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continue
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elif line[0:3] == ";;;": # ignore comment
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continue
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elif line[0:2] == ";;": # output comment
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print(line[3:])
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continue
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elif line[0:5] == ";>>> ": # settings/commands
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settings = {}
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exec(line[5:], {}, settings)
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if 'soft' in settings: self.soft = True
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continue
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elif line[0:1] == ";": # unexpected comment
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print("Test data error at line %d:\n%s" % (self.line_num, line))
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return None
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self.form = line # the line is a form to send
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# Now find the output and return value
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while self.data:
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line = self.data[0]
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if line[0:3] == ";=>":
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self.ret = line[3:].replace('\\r', '\r').replace('\\n', '\n')
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self.line_num += 1
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self.data.pop(0)
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break
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elif line[0:2] == "; ":
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self.out = self.out + line[2:] + sep
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self.line_num += 1
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self.data.pop(0)
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else:
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self.ret = "*"
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break
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if self.ret: break
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return self.form
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args = parser.parse_args(sys.argv[1:])
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# Workaround argparse issue with two '--' on command line
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if sys.argv.count('--') > 0:
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args.mal_cmd = sys.argv[sys.argv.index('--')+1:]
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if args.rundir: os.chdir(args.rundir)
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r = Runner(args.mal_cmd, no_pty=args.no_pty, log_file=args.log_file)
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t = TestReader(args.test_file)
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def assert_prompt(runner, prompts, timeout):
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# Wait for the initial prompt
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header = runner.read_to_prompt(prompts, timeout=timeout)
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if not header == None:
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if header:
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print("Started with:\n%s" % header)
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else:
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print("Did not one of following prompt(s): %s" % repr(prompts))
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print(" Got : %s" % repr(r.buf))
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sys.exit(1)
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# Wait for the initial prompt
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assert_prompt(r, ['user> ', 'mal-user> '], args.start_timeout)
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# Send the pre-eval code if any
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if args.pre_eval:
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sys.stdout.write("RUNNING pre-eval: %s" % args.pre_eval)
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p.write(args.pre_eval)
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assert_prompt(args.test_timeout)
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fail_cnt = 0
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soft_fail_cnt = 0
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while t.next():
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sys.stdout.write("TEST: %s -> [%s,%s]" % (t.form, repr(t.out), t.ret))
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sys.stdout.flush()
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# The repeated form is to get around an occasional OS X issue
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# where the form is repeated.
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# https://github.com/kanaka/mal/issues/30
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expected = ["%s%s%s%s" % (t.form, sep, t.out, t.ret),
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"%s%s%s%s%s%s" % (t.form, sep, t.form, sep, t.out, t.ret)]
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r.writeline(t.form)
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try:
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res = r.read_to_prompt(['\r\nuser> ', '\nuser> ',
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'\r\nmal-user> ', '\nmal-user> '],
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timeout=args.test_timeout)
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#print "%s,%s,%s" % (idx, repr(p.before), repr(p.after))
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if t.ret == "*" or res in expected:
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print(" -> SUCCESS")
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else:
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if args.soft and t.soft:
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print(" -> SOFT FAIL (line %d):" % t.line_num)
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soft_fail_cnt += 1
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else:
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print(" -> FAIL (line %d):" % t.line_num)
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fail_cnt += 1
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print(" Expected : %s" % repr(expected))
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print(" Got : %s" % repr(res))
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except:
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_, exc, _ = sys.exc_info()
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print("\nException: %s" % repr(exc))
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print("Output before exception:\n%s" % r.buf)
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sys.exit(1)
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if soft_fail_cnt > 0:
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print("SOFT FAILURES: %d" % soft_fail_cnt)
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if fail_cnt > 0:
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print("FAILURES: %d" % fail_cnt)
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sys.exit(2)
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sys.exit(0)
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