solidity/scripts/extract_test_cases.py

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#!/usr/bin/env python3
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#
# This script reads C++ or RST source files and writes all
# multi-line strings into individual files.
# This can be used to extract the Solidity test cases
# into files for e.g. fuzz testing as
# scripts/isolate_tests.py test/libsolidity/*
import sys
import re
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def extract_test_cases(_path):
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with open(_path, mode='rb', encoding='utf8') as f:
lines = f.read().splitlines()
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inside = False
delimiter = ''
test = ''
ctr = 1
test_name = ''
for l in lines:
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if inside:
if l.strip().endswith(')' + delimiter + '";'):
with open(f'{ctr:03d}_{test_name}.sol', mode='wb', encoding='utf8') as f:
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f.write(test)
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ctr += 1
inside = False
test = ''
else:
l = re.sub('^\t\t', '', l)
l = l.replace('\t', ' ')
test += l + '\n'
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else:
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m = re.search(r'BOOST_AUTO_TEST_CASE\(([^(]*)\)', l.strip())
if m:
test_name = m.group(1)
m = re.search(r'R"([^(]*)\($', l.strip())
if m:
inside = True
delimiter = m.group(1)
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if __name__ == '__main__':
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extract_test_cases(sys.argv[1])