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mirror of https://github.com/kanaka/mal.git synced 2024-11-09 18:06:35 +03:00
mal/runtest.py
2019-07-06 11:45:15 -07:00

356 lines
12 KiB
Python
Executable File

#!/usr/bin/env python
from __future__ import print_function
import os, sys, re
import argparse, time
import signal, atexit
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
debug_file = None
log_file = None
def debug(data):
if debug_file:
debug_file.write(data)
debug_file.flush()
def log(data, end='\n'):
if log_file:
log_file.write(data + end)
log_file.flush()
print(data, end=end)
sys.stdout.flush()
# TODO: do we need to support '\n' too
sep = "\r\n"
rundir = None
parser = argparse.ArgumentParser(
description="Run a test file against a Mal implementation")
parser.add_argument('--rundir',
help="change to the directory before running tests")
parser.add_argument('--start-timeout', default=10, type=int,
help="default timeout for initial prompt")
parser.add_argument('--test-timeout', default=20, type=int,
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('--no-pty', action='store_true',
help="Use direct pipes instead of pseudo-tty")
parser.add_argument('--log-file', type=str,
help="Write messages to the named file in addition the screen")
parser.add_argument('--debug-file', type=str,
help="Write all test interaction the named file")
parser.add_argument('--hard', action='store_true',
help="Turn soft tests (soft, deferrable, optional) into hard failures")
# Control whether deferrable and optional tests are executed
parser.add_argument('--deferrable', dest='deferrable', action='store_true',
help="Enable deferrable tests that follow a ';>>> deferrable=True'")
parser.add_argument('--no-deferrable', dest='deferrable', action='store_false',
help="Disable deferrable tests that follow a ';>>> deferrable=True'")
parser.set_defaults(deferrable=True)
parser.add_argument('--optional', dest='optional', action='store_true',
help="Enable optional tests that follow a ';>>> optional=True'")
parser.add_argument('--no-optional', dest='optional', action='store_false',
help="Disable optional tests that follow a ';>>> optional=True'")
parser.set_defaults(optional=True)
parser.add_argument('test_file', type=str,
help="a test file formatted as with mal test data")
parser.add_argument('mal_cmd', nargs="*",
help="Mal implementation command line. Use '--' to "
"specify a Mal command line with dashed options.")
class Runner():
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()
# 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
#print "started"
self.buf = ""
self.last_prompt = ""
def read_to_prompt(self, prompts, timeout):
end_time = time.time() + timeout
while time.time() < end_time:
[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)
debug(new_data)
# Perform newline cleanup
if self.no_pty:
self.buf += new_data.replace("\n", "\r\n")
else:
self.buf += new_data
self.buf = self.buf.replace("\r\r", "\r")
# Remove ANSI codes generally
#ansi_escape = re.compile(r'\x1B\[[0-?]*[ -/]*[@-~]')
# Remove rustyline ANSI CSI codes:
# - [6C - CR + cursor forward
# - [6K - CR + erase in line
ansi_escape = re.compile(r'\r\x1B\[[0-9]*[CK]')
self.buf = ansi_escape.sub('', self.buf)
for prompt in prompts:
regexp = re.compile(prompt)
match = regexp.search(self.buf)
if match:
end = match.end()
buf = self.buf[0:match.start()]
self.buf = self.buf[end:]
self.last_prompt = prompt
return buf.replace("^M", "\r")
return None
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.replace('\r', '\x16\r') + "\n"))
def cleanup(self):
#print "cleaning up"
if self.p:
try:
os.killpg(self.p.pid, signal.SIGTERM)
except OSError:
pass
self.p = None
class TestReader:
def __init__(self, test_file):
self.line_num = 0
f = open(test_file, newline='') if IS_PY_3 else open(test_file)
self.data = f.read().split('\n')
self.soft = False
self.deferrable = False
self.optional = False
def next(self):
self.msg = None
self.form = None
self.out = ""
self.ret = None
while self.data:
self.line_num += 1
line = self.data.pop(0)
if re.match(r"^\s*$", line): # blank line
continue
elif line[0:3] == ";;;": # ignore comment
continue
elif line[0:2] == ";;": # output comment
self.msg = line[3:]
return True
elif line[0:5] == ";>>> ": # settings/commands
settings = {}
exec(line[5:], {}, settings)
if 'soft' in settings:
self.soft = settings['soft']
if 'deferrable' in settings and settings['deferrable']:
self.deferrable = "\nSkipping deferrable and optional tests"
return True
if 'optional' in settings and settings['optional']:
self.optional = "\nSkipping optional tests"
return True
continue
elif line[0:1] == ";": # unexpected comment
raise Exception("Test data error at line %d:\n%s" % (self.line_num, line))
self.form = line # the line is a form to send
# Now find the output and return value
while self.data:
line = self.data[0]
if line[0:3] == ";=>":
self.ret = line[3:]
self.line_num += 1
self.data.pop(0)
break
elif line[0:2] == ";/":
self.out = self.out + line[2:] + sep
self.line_num += 1
self.data.pop(0)
else:
self.ret = ""
break
if self.ret != None: break
if self.out[-2:] == sep and not self.ret:
# If there is no return value, output should not end in
# separator
self.out = self.out[0:-2]
return self.form
args = parser.parse_args(sys.argv[1:])
# Workaround argparse issue with two '--' on command line
if sys.argv.count('--') > 0:
args.mal_cmd = sys.argv[sys.argv.index('--')+1:]
if args.rundir: os.chdir(args.rundir)
if args.log_file: log_file = open(args.log_file, "a")
if args.debug_file: debug_file = open(args.debug_file, "a")
r = Runner(args.mal_cmd, no_pty=args.no_pty)
t = TestReader(args.test_file)
def assert_prompt(runner, prompts, timeout):
# Wait for the initial prompt
header = runner.read_to_prompt(prompts, timeout=timeout)
if not header == None:
if header:
log("Started with:\n%s" % header)
else:
log("Did not receive one of following prompt(s): %s" % repr(prompts))
log(" Got : %s" % repr(r.buf))
sys.exit(1)
# Wait for the initial prompt
try:
assert_prompt(r, ['[^\s()<>]+> '], args.start_timeout)
except:
_, exc, _ = sys.exc_info()
log("\nException: %s" % repr(exc))
log("Output before exception:\n%s" % r.buf)
sys.exit(1)
# Send the pre-eval code if any
if args.pre_eval:
sys.stdout.write("RUNNING pre-eval: %s" % args.pre_eval)
r.writeline(args.pre_eval)
assert_prompt(r, ['[^\s()<>]+> '], args.test_timeout)
test_cnt = 0
pass_cnt = 0
fail_cnt = 0
soft_fail_cnt = 0
failures = []
while t.next():
if args.deferrable == False and t.deferrable:
log(t.deferrable)
break
if args.optional == False and t.optional:
log(t.optional)
break
if t.msg != None:
log(t.msg)
continue
if t.form == None: continue
log("TEST: %s -> [%s,%s]" % (repr(t.form), repr(t.out), t.ret), end='')
# The repeated form is to get around an occasional OS X issue
# where the form is repeated.
# https://github.com/kanaka/mal/issues/30
expects = ["%s%s%s%s" % (re.escape(t.form), sep,
t.out, re.escape(t.ret)),
"%s%s%s%s%s%s" % (re.escape(t.form), sep,
re.escape(t.form), sep,
t.out, re.escape(t.ret))]
r.writeline(t.form)
try:
test_cnt += 1
res = r.read_to_prompt(['\r\n[^\s()<>]+> ', '\n[^\s()<>]+> '],
timeout=args.test_timeout)
#print "%s,%s,%s" % (idx, repr(p.before), repr(p.after))
if (t.ret == "" and t.out == ""):
log(" -> SUCCESS (result ignored)")
pass_cnt += 1
elif (re.search(expects[0], res, re.S) or
re.search(expects[1], res, re.S)):
log(" -> SUCCESS")
pass_cnt += 1
else:
if t.soft and not args.hard:
log(" -> SOFT FAIL (line %d):" % t.line_num)
soft_fail_cnt += 1
fail_type = "SOFT "
else:
log(" -> FAIL (line %d):" % t.line_num)
fail_cnt += 1
fail_type = ""
log(" Expected : %s" % repr(expects[0]))
log(" Got : %s" % repr(res))
failed_test = """%sFAILED TEST (line %d): %s -> [%s,%s]:
Expected : %s
Got : %s""" % (fail_type, t.line_num, t.form, repr(t.out),
t.ret, repr(expects[0]), repr(res))
failures.append(failed_test)
except:
_, exc, _ = sys.exc_info()
log("\nException: %s" % repr(exc))
log("Output before exception:\n%s" % r.buf)
sys.exit(1)
if len(failures) > 0:
log("\nFAILURES:")
for f in failures:
log(f)
results = """
TEST RESULTS (for %s):
%3d: soft failing tests
%3d: failing tests
%3d: passing tests
%3d: total tests
""" % (args.test_file, soft_fail_cnt, fail_cnt,
pass_cnt, test_cnt)
log(results)
debug("\n") # add some separate to debug log
if fail_cnt > 0:
sys.exit(1)
sys.exit(0)