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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
import os
import pty
import select
import subprocess
import sys
import time
import unittest
from util import build_path, executable_suffix, green_ok, red_failed
PERMISSIONS_PROMPT_TEST_TS = "tools/permission_prompt_test.ts"
PROMPT_PATTERN = b'⚠️'
FIRST_CHECK_FAILED_PATTERN = b'First check failed'
PERMISSION_DENIED_PATTERN = b'PermissionDenied: permission denied'
# This function is copied from:
# https://gist.github.com/hayd/4f46a68fc697ba8888a7b517a414583e
# https://stackoverflow.com/q/52954248/1240268
def tty_capture(cmd, bytes_input, timeout=5):
"""Capture the output of cmd with bytes_input to stdin,
with stdin, stdout and stderr as TTYs."""
mo, so = pty.openpty() # provide tty to enable line-buffering
me, se = pty.openpty()
mi, si = pty.openpty()
fdmap = {mo: 'stdout', me: 'stderr', mi: 'stdin'}
timeout_exact = time.time() + timeout
p = subprocess.Popen(
cmd, bufsize=1, stdin=si, stdout=so, stderr=se, close_fds=True)
os.write(mi, bytes_input)
select_timeout = .04 #seconds
res = {'stdout': b'', 'stderr': b''}
while True:
ready, _, _ = select.select([mo, me], [], [], select_timeout)
if ready:
for fd in ready:
data = os.read(fd, 512)
if not data:
break
res[fdmap[fd]] += data
elif p.poll() is not None or time.time(
) > timeout_exact: # select timed-out
break # p exited
for fd in [si, so, se, mi, mo, me]:
os.close(fd) # can't do it sooner: it leads to errno.EIO error
p.wait()
return p.returncode, res['stdout'], res['stderr']
class TestPrompt(unittest.TestCase):
def __init__(self, method_name, test_type, deno_exe):
super(TestPrompt, self).__init__(method_name)
self.test_type = test_type
self.deno_exe = deno_exe
def _run_deno(self, flags, args, bytes_input):
"Returns (return_code, stdout, stderr)."
cmd = [self.deno_exe, "run"] + flags + [PERMISSIONS_PROMPT_TEST_TS
] + args
return tty_capture(cmd, bytes_input)
def test_allow_flag(self):
test_type = self.test_type
code, stdout, stderr = self._run_deno(
["--allow-" + test_type], ["needs" + test_type.capitalize()], b'')
assert code == 0
assert not PROMPT_PATTERN in stderr
assert not FIRST_CHECK_FAILED_PATTERN in stdout
assert not PERMISSION_DENIED_PATTERN in stderr
def test_yes_yes(self):
test_type = self.test_type
code, stdout, stderr = self._run_deno(
[], ["needs" + test_type.capitalize()], b'y\ny\n')
assert code == 0
assert PROMPT_PATTERN in stderr
assert not FIRST_CHECK_FAILED_PATTERN in stdout
assert not PERMISSION_DENIED_PATTERN in stderr
def test_yes_no(self):
test_type = self.test_type
code, stdout, stderr = self._run_deno(
[], ["needs" + test_type.capitalize()], b'y\nn\n')
assert code == 1
assert PROMPT_PATTERN in stderr
assert not FIRST_CHECK_FAILED_PATTERN in stdout
assert PERMISSION_DENIED_PATTERN in stderr
def test_no_no(self):
test_type = self.test_type
code, stdout, stderr = self._run_deno(
[], ["needs" + test_type.capitalize()], b'n\nn\n')
assert code == 1
assert PROMPT_PATTERN in stderr
assert FIRST_CHECK_FAILED_PATTERN in stdout
assert PERMISSION_DENIED_PATTERN in stderr
def test_no_yes(self):
test_type = self.test_type
code, stdout, stderr = self._run_deno(
[], ["needs" + test_type.capitalize()], b'n\ny\n')
assert code == 0
assert PROMPT_PATTERN in stderr
assert FIRST_CHECK_FAILED_PATTERN in stdout
assert not PERMISSION_DENIED_PATTERN in stderr
def test_allow(self):
test_type = self.test_type
code, stdout, stderr = self._run_deno(
[], ["needs" + test_type.capitalize()], b'a\n')
assert code == 0
assert PROMPT_PATTERN in stderr
assert not FIRST_CHECK_FAILED_PATTERN in stdout
assert not PERMISSION_DENIED_PATTERN in stderr
def test_deny(self):
test_type = self.test_type
code, stdout, stderr = self._run_deno(
[], ["needs" + test_type.capitalize()], b'd\n')
assert code == 1
assert PROMPT_PATTERN in stderr
assert FIRST_CHECK_FAILED_PATTERN in stdout
assert PERMISSION_DENIED_PATTERN in stderr
def test_unrecognized_option(self):
test_type = self.test_type
code, stdout, stderr = self._run_deno(
[], ["needs" + test_type.capitalize()], b'e\na\n')
assert code == 0
assert PROMPT_PATTERN in stderr
assert not FIRST_CHECK_FAILED_PATTERN in stdout
assert not PERMISSION_DENIED_PATTERN in stderr
assert b'Unrecognized option' in stderr
def test_no_prompt(self):
test_type = self.test_type
code, stdout, stderr = self._run_deno(
["--no-prompt"], ["needs" + test_type.capitalize()], b'')
assert code == 1
assert not PROMPT_PATTERN in stderr
assert FIRST_CHECK_FAILED_PATTERN in stdout
assert PERMISSION_DENIED_PATTERN in stderr
def test_no_prompt_allow(self):
test_type = self.test_type
code, stdout, stderr = self._run_deno(
["--no-prompt", "--allow-" + test_type],
["needs" + test_type.capitalize()], b'')
assert code == 0
assert not PROMPT_PATTERN in stderr
assert not FIRST_CHECK_FAILED_PATTERN in stdout
assert not PERMISSION_DENIED_PATTERN in stderr
def permission_prompt_test(deno_exe):
runner = unittest.TextTestRunner(verbosity=2)
loader = unittest.TestLoader()
test_types = ["read", "write", "env", "net", "run"]
for test_type in test_types:
print "Permissions prompt tests for \"{}\"".format(test_type)
test_names = loader.getTestCaseNames(TestPrompt)
suite = unittest.TestSuite()
for test_name in test_names:
suite.addTest(TestPrompt(test_name, test_type, deno_exe))
result = runner.run(suite)
if not result.wasSuccessful():
sys.exit(1)
def main():
deno_exe = os.path.join(build_path(), "deno" + executable_suffix)
permission_prompt_test(deno_exe)
if __name__ == "__main__":
main()
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