1 files changed, 74 insertions, 0 deletions
diff --git a/src/python/stdlib/test/test_pep247.py b/src/python/stdlib/test/test_pep247.py
new file mode 100644
index 0000000..423d333
--- /dev/null
+++ b/src/python/stdlib/test/test_pep247.py
@@ -0,0 +1,74 @@
+"""
+Test suite to check compilance with PEP 247, the standard API
+for hashing algorithms
+"""
+
+import warnings
+warnings.filterwarnings('ignore', 'the md5 module is deprecated.*',
+                        DeprecationWarning)
+warnings.filterwarnings('ignore', 'the sha module is deprecated.*',
+                        DeprecationWarning)
+
+import hmac
+import md5
+import sha
+
+import unittest
+from test import test_support
+
+class Pep247Test(unittest.TestCase):
+
+    def check_module(self, module, key=None):
+        self.assertTrue(hasattr(module, 'digest_size'))
+        self.assertTrue(module.digest_size is None or module.digest_size > 0)
+
+        if not key is None:
+            obj1 = module.new(key)
+            obj2 = module.new(key, 'string')
+
+            h1 = module.new(key, 'string').digest()
+            obj3 = module.new(key)
+            obj3.update('string')
+            h2 = obj3.digest()
+        else:
+            obj1 = module.new()
+            obj2 = module.new('string')
+
+            h1 = module.new('string').digest()
+            obj3 = module.new()
+            obj3.update('string')
+            h2 = obj3.digest()
+
+        self.assertEqual(h1, h2)
+
+        self.assertTrue(hasattr(obj1, 'digest_size'))
+
+        if not module.digest_size is None:
+            self.assertEqual(obj1.digest_size, module.digest_size)
+
+        self.assertEqual(obj1.digest_size, len(h1))
+        obj1.update('string')
+        obj_copy = obj1.copy()
+        self.assertEqual(obj1.digest(), obj_copy.digest())
+        self.assertEqual(obj1.hexdigest(), obj_copy.hexdigest())
+
+        digest, hexdigest = obj1.digest(), obj1.hexdigest()
+        hd2 = ""
+        for byte in digest:
+            hd2 += '%02x' % ord(byte)
+        self.assertEqual(hd2, hexdigest)
+
+    def test_md5(self):
+        self.check_module(md5)
+
+    def test_sha(self):
+        self.check_module(sha)
+
+    def test_hmac(self):
+        self.check_module(hmac, key='abc')
+
+def test_main():
+    test_support.run_unittest(Pep247Test)
+
+if __name__ == '__main__':
+    test_main()