1 files changed, 37 insertions, 0 deletions
diff --git a/tests/test_bigfile.py b/tests/test_bigfile.py
new file mode 100644
index 0000000..ffca5b0
--- /dev/null
+++ b/tests/test_bigfile.py
@@ -0,0 +1,37 @@
+'''Tests block operations.'''
+
+from StringIO import StringIO
+import unittest
+
+import rsa
+from rsa import bigfile, varblock
+
+class BigfileTest(unittest.TestCase):
+
+    def test_encrypt_decrypt_bigfile(self):
+
+        # Expected block size + 11 bytes padding
+        pub_key, priv_key = rsa.newkeys((6 + 11) * 8)
+
+        # Encrypt the file
+        message = '123456Sybren'
+        infile = StringIO(message)
+        outfile = StringIO()
+
+        bigfile.encrypt_bigfile(infile, outfile, pub_key)
+
+        # Test
+        crypto = outfile.getvalue()
+
+        cryptfile = StringIO(crypto)
+        clearfile = StringIO()
+
+        bigfile.decrypt_bigfile(cryptfile, clearfile, priv_key)
+        self.assertEquals(clearfile.getvalue(), message)
+        
+        # We have 2x6 bytes in the message, so that should result in two
+        # bigfile.
+        cryptfile.seek(0)
+        varblocks = list(varblock.yield_varblocks(cryptfile))
+        self.assertEqual(2, len(varblocks))
+