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# ############################################################################ #
# #
# ::: :::::::: #
# test.py :+: :+: :+: #
# +:+ +:+ +:+ #
# By: charles <charles.cabergs@gmail.com> +#+ +:+ +#+ #
# +#+#+#+#+#+ +#+ #
# Created: 2020/06/16 21:48:50 by charles #+# #+# #
# Updated: 2020/09/11 20:00:52 by charles ### ########.fr #
# #
# ############################################################################ #
import os
import sys
import subprocess
import time
import config
from test.captured import Captured
from test.result import Result
import sandbox
class Test:
def __init__(self,
cmd: str,
setup: str = "",
files: [str] = [],
exports: {str: str} = {},
timeout: float = config.TIMEOUT,
signal=None,
hook=None):
self.cmd = cmd
self.setup = setup
self.files = files
self.exports = exports
self.result = None
self.timeout = timeout
self.signal = signal
self.hook = hook
def run(self):
expected = self._run_sandboxed(config.REFERENCE_PATH, "-c")
actual = self._run_sandboxed(config.MINISHELL_PATH, "-c")
s = self.cmd
if self.setup != "":
s = "[SETUP {}] {}".format(self.setup, s)
if len(self.exports) != 0:
s = "[EXPORTS {}] {}".format(
' '.join(["{}='{:.20}'".format(k, v) for k, v in self.exports.items()]), s)
self.result = Result(s, self.files, expected, actual)
self.result.put()
def _run_sandboxed(self, shell_path: str, shell_option: str) -> Captured:
""" run the command in a sandbox environment
capture the output (stdout and stderr)
capture the content of the watched files after the command is run
"""
sandbox.create()
if self.setup != "":
try:
subprocess.run(
self.setup,
shell=True,
cwd=config.SANDBOX_PATH,
stderr=subprocess.STDOUT,
stdout=subprocess.PIPE,
check=True
)
except subprocess.CalledProcessError as e:
print("Error: `{}` setup command failed for `{}`\n\twith '{}'"
.format(self.setup,
self.cmd,
"no stderr" if e.stdout is None else e.stdout.decode().strip()))
sys.exit(1)
process = subprocess.Popen(
[shell_path, shell_option, self.cmd],
stderr=subprocess.STDOUT,
stdout=subprocess.PIPE,
cwd=config.SANDBOX_PATH,
env={
'PATH': config.PATH_VARIABLE,
'TERM': 'xterm-256color',
**self.exports,
},
)
if self.signal is not None:
time.sleep(0.2)
process.send_signal(self.signal)
else:
try:
process.wait(timeout=self.timeout)
except subprocess.TimeoutExpired:
return Captured.timeout()
try:
stdout, _ = process.communicate()
output = stdout.decode()
except UnicodeDecodeError:
output = "UNICODE ERROR: {}".format(process.stdout)
# capture watched files content
files_content = []
for file_name in self.files:
try:
with open(os.path.join(config.SANDBOX_PATH, file_name), "rb") as f:
files_content.append(f.read().decode())
except FileNotFoundError:
files_content.append(None)
sandbox.remove()
if self.hook is not None:
output = self.hook(output)
return Captured(output, process.returncode, files_content)
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