Test extraction tool.

1 files changed, 49 insertions, 0 deletions

diff --git a/scripts/extract_test_cases.py b/scripts/extract_test_cases.py
new file mode 100755
index 00000000..07ef9a96
--- /dev/null
+++ b/scripts/extract_test_cases.py
@@ -0,0 +1,49 @@
+#!/usr/bin/python
+#
+# 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
+import os
+import hashlib
+from os.path import join
+
+def extract_test_cases(path):
+    lines = open(path, 'rb').read().splitlines()
+
+    inside = False
+    delimiter = ''
+    test = ''
+
+    ctr = 1
+    test_name = ''
+
+    for l in lines:
+      if inside:
+        if l.strip().endswith(')' + delimiter + '";'):
+          open('%03d_%s.sol' % (ctr, test_name), 'wb').write(test)
+          ctr += 1
+          inside = False
+          test = ''
+        else:
+          l = re.sub('^\t\t', '', l)
+          l = l.replace('\t', '    ')
+          test += l + '\n'
+      else:
+        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)
+
+
+if __name__ == '__main__':
+    path = sys.argv[1]
+    extract_test_cases(path)
+