mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
107 lines
3.5 KiB
Python
Executable File
107 lines
3.5 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# This script reads C++ or RST source files and writes all
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# multi-line strings into individual files.
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# This can be used to extract the Solidity test cases
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# into files for e.g. fuzz testing as
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# scripts/isolate_tests.py test/libsolidity/*
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import sys
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import re
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import os
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import hashlib
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from os.path import join, isfile, split
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def extract_test_cases(path):
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lines = open(path, encoding="utf8", errors='ignore', mode='r').read().splitlines()
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inside = False
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delimiter = ''
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tests = []
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for l in lines:
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if inside:
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if l.strip().endswith(')' + delimiter + '";'):
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inside = False
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else:
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tests[-1] += l + '\n'
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else:
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m = re.search(r'R"([^(]*)\($', l.strip())
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if m:
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inside = True
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delimiter = m.group(1)
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tests += ['']
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return tests
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# Contract sources are indented by 4 spaces.
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# Look for `pragma solidity`, `contract`, `library` or `interface`
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# and abort a line not indented properly.
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def extract_docs_cases(path):
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inside = False
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extractedLines = []
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tests = []
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# Collect all snippets of indented blocks
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for l in open(path, mode='r', errors='ignore', encoding='utf8').read().splitlines():
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if l != '':
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if not inside and l.startswith(' '):
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# start new test
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extractedLines += ['']
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inside = l.startswith(' ')
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if inside:
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extractedLines[-1] += l + '\n'
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codeStart = "(// SPDX-License-Identifier:|pragma solidity|contract.*{|library.*{|interface.*{)"
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# Filter all tests that do not contain Solidity or are intended incorrectly.
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for lines in extractedLines:
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if re.search(r'^\s{0,3}' + codeStart, lines, re.MULTILINE):
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print("Intendation error in " + path + ":")
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print(lines)
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exit(1)
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if re.search(r'^\s{4}' + codeStart, lines, re.MULTILINE):
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tests.append(lines)
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return tests
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def write_cases(f, tests):
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cleaned_filename = f.replace(".","_").replace("-","_").replace(" ","_").lower()
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for test in tests:
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# When code examples are extracted they indented by 8 spaces, which violates the style guide,
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# so before checking remove 4 spaces from each line.
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remainder = re.sub(r'^ {4}', '', test, 0, re.MULTILINE)
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sol_filename = 'test_%s_%s.sol' % (hashlib.sha256(test.encode("utf-8")).hexdigest(), cleaned_filename)
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open(sol_filename, mode='w', encoding='utf8').write(remainder)
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def extract_and_write(f, path):
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if docs:
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cases = extract_docs_cases(path)
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else:
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if f.endswith('.sol'):
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cases = [open(path, mode='r', encoding='utf8').read()]
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else:
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cases = extract_test_cases(path)
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write_cases(f, cases)
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if __name__ == '__main__':
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path = sys.argv[1]
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docs = False
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if len(sys.argv) > 2 and sys.argv[2] == 'docs':
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docs = True
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if isfile(path):
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extract_and_write(path, path)
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else:
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for root, subdirs, files in os.walk(path):
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if '_build' in subdirs:
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subdirs.remove('_build')
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if 'compilationTests' in subdirs:
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subdirs.remove('compilationTests')
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for f in files:
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_, tail = split(f)
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if tail == "invalid_utf8_sequence.sol":
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continue # ignore the test with broken utf-8 encoding
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path = join(root, f)
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extract_and_write(f, path)
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