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196 lines
7.2 KiB
Python
Executable file
196 lines
7.2 KiB
Python
Executable file
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
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import os
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import pty
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import select
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import subprocess
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import sys
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import time
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from util import build_path, executable_suffix, green_ok, red_failed
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PERMISSIONS_PROMPT_TEST_TS = "tools/permission_prompt_test.ts"
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PROMPT_PATTERN = b'⚠️'
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FIRST_CHECK_FAILED_PATTERN = b'First check failed'
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PERMISSION_DENIED_PATTERN = b'PermissionDenied: permission denied'
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# This function is copied from:
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# https://gist.github.com/hayd/4f46a68fc697ba8888a7b517a414583e
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# https://stackoverflow.com/q/52954248/1240268
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def tty_capture(cmd, bytes_input, timeout=5):
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"""Capture the output of cmd with bytes_input to stdin,
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with stdin, stdout and stderr as TTYs."""
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mo, so = pty.openpty() # provide tty to enable line-buffering
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me, se = pty.openpty()
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mi, si = pty.openpty()
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fdmap = {mo: 'stdout', me: 'stderr', mi: 'stdin'}
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timeout_exact = time.time() + timeout
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p = subprocess.Popen(
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cmd, bufsize=1, stdin=si, stdout=so, stderr=se, close_fds=True)
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os.write(mi, bytes_input)
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select_timeout = .04 #seconds
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res = {'stdout': b'', 'stderr': b''}
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while True:
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ready, _, _ = select.select([mo, me], [], [], select_timeout)
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if ready:
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for fd in ready:
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data = os.read(fd, 512)
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if not data:
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break
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res[fdmap[fd]] += data
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elif p.poll() is not None or time.time(
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) > timeout_exact: # select timed-out
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break # p exited
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for fd in [si, so, se, mi, mo, me]:
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os.close(fd) # can't do it sooner: it leads to errno.EIO error
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p.wait()
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return p.returncode, res['stdout'], res['stderr']
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# Wraps a test in debug printouts
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# so we have visual indicator of what test failed
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def wrap_test(test_name, test_method, *argv):
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sys.stdout.write(test_name + " ... ")
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try:
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test_method(*argv)
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print green_ok()
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except AssertionError:
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print red_failed()
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raise
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class Prompt(object):
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def __init__(self, deno_exe, test_types):
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self.deno_exe = deno_exe
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self.test_types = test_types
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def run(self, flags, args, bytes_input):
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"Returns (return_code, stdout, stderr)."
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cmd = [self.deno_exe] + flags + [PERMISSIONS_PROMPT_TEST_TS] + args
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return tty_capture(cmd, bytes_input)
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def warm_up(self):
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# ignore the ts compiling message
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self.run(["--allow-write"], 'needsWrite', b'')
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def test(self):
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for test_type in self.test_types:
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test_name_base = "test_" + test_type
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wrap_test(test_name_base + "_allow_flag", self.test_allow_flag,
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test_type)
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wrap_test(test_name_base + "_yes_yes", self.test_yes_yes,
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test_type)
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wrap_test(test_name_base + "_yes_no", self.test_yes_no, test_type)
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wrap_test(test_name_base + "_no_no", self.test_no_no, test_type)
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wrap_test(test_name_base + "_no_yes", self.test_no_yes, test_type)
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wrap_test(test_name_base + "_allow", self.test_allow, test_type)
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wrap_test(test_name_base + "_deny", self.test_deny, test_type)
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wrap_test(test_name_base + "_unrecognized_option",
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self.test_unrecognized_option, test_type)
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wrap_test(test_name_base + "_no_prompt", self.test_no_prompt,
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test_type)
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wrap_test(test_name_base + "_no_prompt_allow",
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self.test_no_prompt_allow, test_type)
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def test_allow_flag(self, test_type):
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code, stdout, stderr = self.run(
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["--allow-" + test_type], ["needs" + test_type.capitalize()], b'')
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assert code == 0
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assert not PROMPT_PATTERN in stderr
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assert not FIRST_CHECK_FAILED_PATTERN in stdout
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assert not PERMISSION_DENIED_PATTERN in stderr
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def test_yes_yes(self, test_type):
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code, stdout, stderr = self.run([], ["needs" + test_type.capitalize()],
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b'y\ny\n')
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assert code == 0
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assert PROMPT_PATTERN in stderr
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assert not FIRST_CHECK_FAILED_PATTERN in stdout
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assert not PERMISSION_DENIED_PATTERN in stderr
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def test_yes_no(self, test_type):
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code, stdout, stderr = self.run([], ["needs" + test_type.capitalize()],
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b'y\nn\n')
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assert code == 1
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assert PROMPT_PATTERN in stderr
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assert not FIRST_CHECK_FAILED_PATTERN in stdout
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assert PERMISSION_DENIED_PATTERN in stderr
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def test_no_no(self, test_type):
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code, stdout, stderr = self.run([], ["needs" + test_type.capitalize()],
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b'n\nn\n')
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assert code == 1
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assert PROMPT_PATTERN in stderr
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assert FIRST_CHECK_FAILED_PATTERN in stdout
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assert PERMISSION_DENIED_PATTERN in stderr
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def test_no_yes(self, test_type):
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code, stdout, stderr = self.run([], ["needs" + test_type.capitalize()],
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b'n\ny\n')
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assert code == 0
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assert PROMPT_PATTERN in stderr
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assert FIRST_CHECK_FAILED_PATTERN in stdout
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assert not PERMISSION_DENIED_PATTERN in stderr
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def test_allow(self, test_type):
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code, stdout, stderr = self.run([], ["needs" + test_type.capitalize()],
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b'a\n')
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assert code == 0
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assert PROMPT_PATTERN in stderr
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assert not FIRST_CHECK_FAILED_PATTERN in stdout
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assert not PERMISSION_DENIED_PATTERN in stderr
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def test_deny(self, test_type):
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code, stdout, stderr = self.run([], ["needs" + test_type.capitalize()],
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b'd\n')
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assert code == 1
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assert PROMPT_PATTERN in stderr
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assert FIRST_CHECK_FAILED_PATTERN in stdout
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assert PERMISSION_DENIED_PATTERN in stderr
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def test_unrecognized_option(self, test_type):
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code, stdout, stderr = self.run([], ["needs" + test_type.capitalize()],
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b'e\na\n')
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assert code == 0
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assert PROMPT_PATTERN in stderr
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assert not FIRST_CHECK_FAILED_PATTERN in stdout
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assert not PERMISSION_DENIED_PATTERN in stderr
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assert b'Unrecognized option' in stderr
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def test_no_prompt(self, test_type):
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code, stdout, stderr = self.run(
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["--no-prompt"], ["needs" + test_type.capitalize()], b'')
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assert code == 1
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assert not PROMPT_PATTERN in stderr
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assert FIRST_CHECK_FAILED_PATTERN in stdout
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assert PERMISSION_DENIED_PATTERN in stderr
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def test_no_prompt_allow(self, test_type):
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code, stdout, stderr = self.run(
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["--no-prompt", "--allow-" + test_type],
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["needs" + test_type.capitalize()], b'')
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assert code == 0
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assert not PROMPT_PATTERN in stderr
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assert not FIRST_CHECK_FAILED_PATTERN in stdout
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assert not PERMISSION_DENIED_PATTERN in stderr
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def permission_prompt_test(deno_exe):
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p = Prompt(deno_exe, ["read", "write", "env", "net", "run"])
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p.test()
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def main():
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print "Permissions prompt tests"
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deno_exe = os.path.join(build_path(), "deno" + executable_suffix)
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permission_prompt_test(deno_exe)
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if __name__ == "__main__":
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main()
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