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import os
import sys
import subprocess
import shutil
import config
COLOR_RED = "\033[32m"
COLOR_GREEN = "\033[31m"
COLOR_CLOSE = "\033[0m"
def green(s: str) -> str:
return COLOR_RED + s + COLOR_CLOSE
def red(s: str) -> str:
return COLOR_GREEN + s + COLOR_CLOSE
def expected_line(color: bool) -> str:
s = "----------------------------------------EXPECTED--------------------------------"
return COLOR_GREEN + s + COLOR_CLOSE if color else s
def actual_line(color: bool) -> str:
s = "----------------------------------------ACTUAL----------------------------------"
return COLOR_RED + s + COLOR_CLOSE if color else s
def diff_file(file_name: str, expected: str, actual: str, color: bool = False) -> str:
return """\
FILE {}
{}
{}\
{}
{}\
""".format(file_name, expected_line(color), expected, actual_line(color),
"FROM TEST: File not created\n" if actual is None else actual)
def diff_output(cmd: str, expected: str, actual: str, color: bool = False) -> str:
return """\
WITH: {}
STATUS: TODO
{}
{}\
{}
{}\
""".format(cmd, expected_line(color), expected, actual_line(color), actual)
def diff(cmd: str, expected: str, actual: str,
files: [str], expected_files: [str], actual_files: [str],
color: bool = False) -> str:
s = ""
if expected != actual:
s += diff_output(cmd, expected, actual, color)
for file_name, e, a in zip(files, expected_files, actual_files):
if a != e:
s += "-" * 80 + "\n" + diff_file(file_name, e, a, color)
return s
def put_result(passed: bool, cmd: str):
if len(cmd) > 70:
cmd = cmd[:67] + "..."
if passed:
print(green("{:74} [PASS]".format(cmd)))
else:
print(red("{:74} [FAIL]".format(cmd)))
def run_sandboxed(program: str, cmd: str, setup: str = None, files: [str] = []) -> str:
""" run the command in a sandbox environment, return the output (stdout and stderr) of it """
try:
os.mkdir(config.SANDBOX_PATH)
except OSError:
pass
if setup is not None:
try:
setup_status = subprocess.run(setup, shell=True, cwd=config.SANDBOX_PATH, check=True, text=True, capture_output=True)
except subprocess.CalledProcessError as e:
print("Error: `{}` setup command failed for `{}`\n\twith '{}'".format(setup, cmd, e.stderr.strip()))
sys.exit(1)
# TODO: add timeout
# https://docs.python.org/3/library/subprocess.html#using-the-subprocess-module
process_status = subprocess.run([program, "-c", cmd],
text=True,
stderr=subprocess.STDOUT,
stdout=subprocess.PIPE,
cwd=config.SANDBOX_PATH)
output = process_status.stdout
output_files = []
for file_name in files:
try:
with open(os.path.join(config.SANDBOX_PATH, file_name), "r") as f:
output_files.append(f.read())
except FileNotFoundError as e:
output_files.append(None)
shutil.rmtree(config.SANDBOX_PATH)
return (output, output_files)
status = 0
ignored_suites = []
runned_suites = {}
current_suite = "default"
verbose = False
def check(expected: str, actual: str, expected_files: [str], actual_files: [str]) -> bool:
return actual == expected and all([a == e for a, e in zip(actual_files, expected_files)])
def test(cmd: str, setup: str = None, files: [str] = []):
""" get expected and actual strings, compare them and push them to the suites result """
(expected, expected_files) = run_sandboxed(config.REFERENCE_SHELL_PATH, cmd, setup, files)
(actual, actual_files) = run_sandboxed(config.MINISHELL_PATH, cmd, setup, files)
passed = check(expected, actual, expected_files, actual_files)
global status
if not passed:
status = 1
if not verbose:
put_result(actual == expected, cmd)
elif not passed:
print(diff(cmd, expected, actual, files, expected_files, actual_files, color=True))
if runned_suites.get(current_suite) is None:
runned_suites[current_suite] = []
runned_suites[current_suite].append((cmd, expected, actual, files, expected_files, actual_files))
available_suites = []
def suite(origin):
""" decorator for a suite function (fmt: suite_[name])
update the current_suite global and print it before the suite execution
"""
name = origin.__name__[len("suite_"):]
available_suites.append(name)
def f():
if name in ignored_suites:
return
global current_suite
current_suite = name.upper()
print("{} {:#<41}".format("#" * 39, current_suite + " "))
origin()
print()
return f
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