Minecraft-Overviewer/contrib/testRender.py

175 lines
5.2 KiB
Python

#!/usr/bin/env python3
"Test Render Script"
import argparse
import math
import os
import re
import shutil
import sys
import tempfile
import time
from shlex import split
from subprocess import PIPE, STDOUT, CalledProcessError, run
overviewer_scripts = ['./overviewer.py', './gmap.py']
def check_call(args, verbose=False):
try:
return run(
args,
check=True,
stdout=None if verbose else PIPE,
stderr=None if verbose else STDOUT,
universal_newlines=True,
)
except CalledProcessError as e:
if verbose:
print(e.output)
raise e
def check_output(args):
p = run(
args,
check=True,
stdout=PIPE,
universal_newlines=True
)
return p.stdout
def clean_render(overviewerargs, verbose=False):
tempdir = tempfile.mkdtemp('mc-overviewer-test')
overviewer_script = None
for script in overviewer_scripts:
if os.path.exists(script):
overviewer_script = script
break
if overviewer_script is None:
sys.stderr.write("could not find main overviewer script\n")
sys.exit(1)
try:
# check_call raises CalledProcessError when overviewer.py exits badly
check_call([sys.executable] + split("setup.py clean build"), verbose=verbose)
try:
check_call([sys.executable, overviewer_script, '-d'] + overviewerargs, verbose=verbose)
except CalledProcessError:
pass
starttime = time.time()
check_call([sys.executable, overviewer_script] +
overviewerargs + [tempdir, ], verbose=verbose)
endtime = time.time()
return endtime - starttime
finally:
shutil.rmtree(tempdir, True)
def get_stats(timelist):
average = sum(timelist) / float(len(timelist))
meandiff = [(x - average) ** 2 for x in timelist]
sd = math.sqrt(sum(meandiff) / len(meandiff))
return {
"count": len(timelist),
"minimum": min(timelist),
"maximum": max(timelist),
"average": average,
"standard deviation": sd
}
def get_current_branch():
gittext = check_output(split('git rev-parse --abbrev-ref HEAD'))
return gittext.strip() if gittext != "HEAD" else None
def get_current_commit():
gittext = check_output(split('git rev-parse HEAD'))
return gittext.strip() if gittext else None
def get_current_ref():
branch = get_current_branch()
if branch:
return branch
commit = get_current_commit()
if commit:
return commit
def get_commits(gitrange):
gittext = check_output(split('git rev-list --reverse') + [gitrange, ])
return (c for c in gittext.split("\n"))
def set_commit(commit):
check_call(split('git checkout') + [commit, ])
def main(args):
commits = []
for commit in args.commits:
if '..' in commit:
commits = get_commits(commit)
else:
commits.append(commit)
if not commits:
commits = [get_current_ref(), ]
log = None
if args.log:
log = args.log
reset_commit = get_current_ref()
try:
for commit in commits:
print("testing commit", commit)
set_commit(commit)
timelist = []
print(" -- "),
try:
for i in range(args.number):
sys.stdout.write(str(i + 1) + " ")
sys.stdout.flush()
timelist.append(clean_render(args.overviewer_args, verbose=args.verbose))
print("... done")
stats = get_stats(timelist)
print(stats)
if log:
log.write("%s %s\n" % (commit, repr(stats)))
except CalledProcessError as e:
if args.fatal_errors:
print(e)
print("Overviewer croaked, exiting...")
print("(to avoid this, use --keep-going)")
sys.exit(1)
finally:
set_commit(reset_commit)
if log:
log.close()
if __name__ == "__main__":
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument("overviewer_args", metavar="[overviewer options/world]", nargs="+")
parser.add_argument("-n", "--option", metavar="N", type=int, action="store",
dest="number", default=3, help="number of renders per commit [default: 3]")
parser.add_argument("-c", "--commits", metavar="RANGE",
action="append", type=str, dest="commits", default=[],
help="the commit (or range of commits) to test [default: current]")
parser.add_argument("-v", "--verbose", action="store_true", dest="verbose", default=False,
help="don't suppress overviewer output")
parser.add_argument("-k", "--keep-going",
action="store_false", dest="fatal_errors", default=True,
help="don't stop testing when Overviewer croaks")
parser.add_argument("-l", "--log", dest="log", type=argparse.FileType('w'), metavar="FILE",
help="log all test results to a file")
args = parser.parse_args()
main(args)