1 files changed, 48 insertions, 0 deletions
diff --git a/scripts/isolate_tests.py b/scripts/isolate_tests.py
new file mode 100755
index 00000000..a1d1c75c
--- /dev/null
+++ b/scripts/isolate_tests.py
@@ -0,0 +1,48 @@
+#!/usr/bin/python
+#
+# This script reads C++ 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
+import os
+import hashlib
+from os.path import join
+
+def extract_cases(path):
+    lines = open(path, 'rb').read().splitlines()
+
+    inside = False
+    delimiter = ''
+    tests = []
+
+    for l in lines:
+      if inside:
+        if l.strip().endswith(')' + delimiter + '";'):
+          inside = False
+        else:
+          tests[-1] += l + '\n'
+      else:
+        m = re.search(r'R"([^(]*)\($', l.strip())
+        if m:
+          inside = True
+          delimiter = m.group(1)
+          tests += ['']
+
+    return tests
+
+
+def write_cases(tests):
+    for test in tests:
+        open('test_%s.sol' % hashlib.sha256(test).hexdigest(), 'wb').write(test)
+
+if __name__ == '__main__':
+    path = sys.argv[1]
+
+    for root, dir, files in os.walk(path):
+        for f in files:
+            cases = extract_cases(join(root, f))
+            write_cases(cases)