gecko-dev/config/check_source_count.py

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1.6 KiB
Python
Executable File

#!/usr/bin/env python
# Usage: check_source_count.py SEARCH_TERM COUNT ERROR_LOCATION REPLACEMENT [FILES...]
# Checks that FILES contains exactly COUNT matches of SEARCH_TERM. If it does
# not, an error message is printed, quoting ERROR_LOCATION, which should
# probably be the filename and line number of the erroneous call to
# check_source_count.py.
import sys
import os
import re
search_string = sys.argv[1]
expected_count = int(sys.argv[2])
error_location = sys.argv[3]
replacement = sys.argv[4]
files = sys.argv[5:]
details = {}
count = 0
for f in files:
text = file(f).read()
match = re.findall(search_string, text)
if match:
num = len(match)
count += num
details[f] = num
if count == expected_count:
print "TEST-PASS | check_source_count.py %s | %d" % (search_string, expected_count)
else:
print "TEST-UNEXPECTED-FAIL | check_source_count.py %s | " % (search_string),
if count < expected_count:
print "There are fewer occurrences of /%s/ than expected. This may mean that you have removed some, but forgotten to account for it %s." % (search_string, error_location)
else:
print "There are more occurrences of /%s/ than expected. We're trying to prevent an increase in the number of %s's, using %s if possible. If it in unavoidable, you should update the expected count %s." % (search_string, search_string, replacement, error_location)
print "Expected: %d; found: %d" % (expected_count, count)
for k in sorted(details):
print "Found %d occurences in %s" % (details[k],k)
sys.exit(-1)