92 lines
2.9 KiB
Python
92 lines
2.9 KiB
Python
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import os
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import sys
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import argparse
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import re
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class Checks(object):
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class CheckError(Exception):
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pass
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def __init__(self, filename, prefix):
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self.checks = []
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self.lines = []
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self.check_no_output = False
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self.filename = filename
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self.prefix = prefix
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def readStdin(self):
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self.lines = [l.rstrip("\r\n") for l in sys.stdin.readlines()]
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def readChecks(self):
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with open(self.filename) as f:
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for line in f:
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match = re.search("{}: NO_OUTPUT".format(self.prefix), line)
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if match is not None:
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self.check_no_output = True
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return
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match = re.search(
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"{}: num_threads=([0-9]+) (.*)$".format(self.prefix), line
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)
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if match is not None:
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num_threads = int(match.group(1))
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for i in range(num_threads):
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self.checks.append(match.group(2))
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continue
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def check(self):
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# If no checks at all, then nothing to do
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if len(self.checks) == 0 and not self.check_no_output:
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print("Nothing to check for")
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return
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# Check if we are expecting no output
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if self.check_no_output:
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if len(self.lines) == 0:
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return
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else:
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raise Checks.CheckError(
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"{}: Output was found when expecting none.".format(self.prefix)
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)
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# Run through each check line and see if it exists in the output
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# If it does, then delete the line from output and look for the
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# next check line.
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# If you don't find the line then raise Checks.CheckError
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# If there are extra lines of output then raise Checks.CheckError
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for c in self.checks:
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found = False
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index = -1
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for idx, line in enumerate(self.lines):
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if re.search(c, line) is not None:
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found = True
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index = idx
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break
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if not found:
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raise Checks.CheckError("{}: Did not find: {}".format(self.prefix, c))
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else:
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del self.lines[index]
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if len(self.lines) != 0:
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raise Checks.CheckError(
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"{}: Extra output: {}".format(self.prefix, self.lines)
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)
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# Setup argument parsing
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parser = argparse.ArgumentParser(
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description="""This script checks output of
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a program against "CHECK" lines in filename"""
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)
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parser.add_argument("filename", default=None, help="filename to check against")
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parser.add_argument(
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"-c",
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"--check-prefix",
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dest="prefix",
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default="CHECK",
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help="check prefix token default: %(default)s",
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)
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command_args = parser.parse_args()
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# Do the checking
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checks = Checks(command_args.filename, command_args.prefix)
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checks.readStdin()
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checks.readChecks()
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checks.check()
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