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46 lines
1.5 KiB
Python
Executable file
46 lines
1.5 KiB
Python
Executable file
#! /usr/bin/env python
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# This script aggregates many files containing Bro script coverage information
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# into a single file and reports the overall coverage information. Usage:
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#
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# coverage-calc <quoted glob of filenames> <output file> <ignored script dir>
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#
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# The last argument is used to ignore Bro scripts that are part of the test
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# suite itself as those should not count towards the coverage calculation.
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import os
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import sys
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import glob
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stats = {}
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inputglob = sys.argv[1]
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outputfile = sys.argv[2]
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ignoredir = os.path.abspath(sys.argv[3])
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for filename in glob.glob(inputglob):
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with open(filename, 'r') as f:
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for line in f.read().splitlines():
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parts = line.split("\t")
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exec_count = int(parts[0])
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location = os.path.normpath(parts[1])
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# ignore scripts that don't appear to be part of Bro distribution
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if location.startswith(ignoredir) or not location.startswith("/"):
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continue
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desc = parts[2]
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key = location + desc
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if key in stats:
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stats[key][0] += exec_count
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else:
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stats[key] = [exec_count, location, desc]
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with open(outputfile, 'w') as f:
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for k in sorted(stats, key=lambda i: stats[i][1]):
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f.write("%s\t%s\t%s\n" % (stats[k][0], stats[k][1], stats[k][2]))
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num_covered = 0
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for k in stats:
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if stats[k][0] > 0:
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num_covered += 1
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if len(stats) > 0:
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print "%s/%s (%.1f%%) Bro script statements covered." % (num_covered, len(stats), float(num_covered)/len(stats)*100)
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