#!/usr/bin/python3
# #######################
# This file runs tests for this coding assignment.
# Read the file but do not modify.
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# #######################
# Autograde test.py runner
# Some code taken from test.py from submit
import os, sys, subprocess, json, argparse, signal
from subprocess import Popen, PIPE, STDOUT, TimeoutExpired
#####################
# Start Test Utilities
#####################
def preparefile(file):
def runcmdsafe(binfile):
b_stdout, b_stderr, b_exitcode = runcmd(binfile)
return b_stdout, b_stderr, b_exitcode
def runcmd(cmd):
stdout, stderr, process = None, None, None
if os.name != ‘nt’:
cmd = “exec ” + cmd
with Popen(cmd, shell=True, stdin=PIPE, stdout=PIPE, stderr=STDOUT) as process:
stdout, stderr = process.communicate(timeout=15)
except TimeoutExpired:
if os.name == ‘nt’:
Popen(“TASKKILL /F /PID {pid} /T”.format(pid=process.pid))
process.kill()
return stdout, stderr, process.returncode
def assertequals(expected, actual):
if expected == actual:
passtest(”)
failtest(f’Expected {expected} got {actual}’)
def failtest(message):
testmsg(‘failed’, message)
def passtest(message):
testmsg(‘passed’, message)
def testmsg(status, message):
“status”: status,
“message”: message
print(json.dumps(x))
sys.exit()
#####################
# End Test Utilities
#####################
verbose = False
def runtest(name):
global verbose
print(‘———————‘)
print(f’\nRunning test: {name}’)
python_bin = sys.executable
output = subprocess.check_output(f'{python_bin} driver.py’, cwd=f’test/{name}’, shell=True)
y = json.loads(output)
status = y[“status”]
message = y[“message”]
stdout = output
if verbose and len(message) > 0:
print(“\n\nSTDOUT: “)
print(message)
if status == “failed”:
print(‘ FAILED’)
return False
if status == “passed”:
print(‘ PASSED’)
return True
def runtests():
tests = listtests()
num_passed = 0
for test in tests:
if runtest(test):
num_passed += 1
print(‘\n===========================’)
print(f’Summary: {num_passed} / {len(tests)} tests passed’)
print(‘===========================’)
def listtests():
tests = [test for test in os.listdir(“test/”)]
tests.sort()
return tests
def main():
global verbose
parser = argparse.ArgumentParser()
parser.add_argument(‘–list’, ‘-l’, help=’List available tests’, action=’store_true’)
parser.add_argument(“–all”, “-a”, help=’Perform all tests’, action=’store_true’)
parser.add_argument(‘–verbose’, ‘-v’, help=’View test stdout, verbose output’, action=’store_true’)
parser.add_argument(‘–test’, ‘-t’, help=’Perform a specific testname (case sensitive)’)
args = parser.parse_args()
if args.verbose:
verbose = True
if args.all:
runtests()
if args.test:
if not os.path.exists(f’test/{args.test}’):
print(f’Test “{args.test}” not found’)
runtest(args.test)
if args.list:
print(“Available tests: “)
print(*listtests(), sep=’\n’)
parser.print_help()
if __name__ == “__main__”: main()
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