2022-06-19 05:43:55 +00:00
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import argparse
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import glob
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import sys
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import os
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import re
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import hashlib
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from pathlib import Path
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FILE_HEADER = """
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<!DOCTYPE html>
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<html>
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<head>
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<title>Comparison</title>
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</head>
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<body>
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"""
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FILE_FOOTER = """
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</body>
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</html>
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"""
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outfile = None
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def write(line):
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outfile.write(line + "\n")
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def compare_frames(path1, path2):
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try:
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with open(path1, "rb") as f:
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hash1 = hashlib.md5(f.read()).digest()
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with open(path2, "rb") as f:
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hash2 = hashlib.md5(f.read()).digest()
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return hash1 == hash2
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except (FileNotFoundError, IOError):
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return False
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def check_regression_test(baselinedir, testdir, name):
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#print("Checking '%s'..." % name)
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dir1 = os.path.join(baselinedir, name)
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dir2 = os.path.join(testdir, name)
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if not os.path.isdir(dir2):
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#print("*** %s is missing in test set" % name)
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return False
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images = glob.glob(os.path.join(dir1, "*_frame*.png"))
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diff_frames = []
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first_fail = True
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for imagepath in images:
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imagename = Path(imagepath).name
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matches = re.match(".*_frame([0-9]+).png", imagename)
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if matches is None:
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continue
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framenum = int(matches[1])
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2022-11-25 22:18:20 +00:00
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2022-06-19 05:43:55 +00:00
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path1 = os.path.join(dir1, imagename)
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path2 = os.path.join(dir2, imagename)
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if not os.path.isfile(path2):
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print("--- Frame %u for %s is missing in test set" % (framenum, name))
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write("<h1>{}</h1>".format(name))
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write("--- Frame %u for %s is missing in test set" % (framenum, name))
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return False
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if not compare_frames(path1, path2):
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diff_frames.append(framenum)
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if first_fail:
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write("<h1>{}</h1>".format(name))
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write("<table width=\"100%\">")
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first_fail = False
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imguri1 = Path(path1).as_uri()
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imguri2 = Path(path2).as_uri()
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write("<tr><td colspan=\"2\">Frame %d</td></tr>" % (framenum))
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write("<tr><td><img src=\"%s\" /></td><td><img src=\"%s\" /></td></tr>" % (imguri1, imguri2))
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if len(diff_frames) > 0:
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write("</table>")
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write("<pre>Difference in frames [%s] for %s</pre>" % (",".join(map(str, diff_frames)), name))
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print("*** Difference in frames [%s] for %s" % (",".join(map(str, diff_frames)), name))
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return False
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return True
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def check_regression_tests(baselinedir, testdir):
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gamedirs = glob.glob(baselinedir + "/*", recursive=False)
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2022-11-25 22:18:20 +00:00
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2022-06-19 05:43:55 +00:00
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success = 0
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failure = 0
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for gamedir in gamedirs:
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name = Path(gamedir).name
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if check_regression_test(baselinedir, testdir, name):
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success += 1
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else:
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failure += 1
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return (failure == 0)
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(description="Check frame dump images for regression tests")
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parser.add_argument("-baselinedir", action="store", required=True, help="Directory containing baseline frames to check against")
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parser.add_argument("-testdir", action="store", required=True, help="Directory containing frames to check")
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parser.add_argument("outfile", action="store", help="The file to write the output to")
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args = parser.parse_args()
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outfile = open(args.outfile, "w")
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write(FILE_HEADER)
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if not check_regression_tests(os.path.realpath(args.baselinedir), os.path.realpath(args.testdir)):
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write(FILE_FOOTER)
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outfile.close()
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sys.exit(1)
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else:
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outfile.close()
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os.remove(args.outfile)
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sys.exit(0)
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