Change "ya.make"

1 files changed, 79 insertions, 0 deletions

diff --git a/contrib/python/rsa/py2/tests/test_transform.py b/contrib/python/rsa/py2/tests/test_transform.py
new file mode 100644
index 00000000000..fe0970c9624
--- /dev/null
+++ b/contrib/python/rsa/py2/tests/test_transform.py
@@ -0,0 +1,79 @@
+# -*- coding: utf-8 -*-
+#
+#  Copyright 2011 Sybren A. Stüvel <sybren@stuvel.eu>
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+import unittest
+from rsa.transform import int2bytes, bytes2int, _int2bytes
+
+
+class Test_int2bytes(unittest.TestCase):
+    def test_accuracy(self):
+        self.assertEqual(int2bytes(123456789), b'\x07[\xcd\x15')
+        self.assertEqual(_int2bytes(123456789), b'\x07[\xcd\x15')
+
+    def test_codec_identity(self):
+        self.assertEqual(bytes2int(int2bytes(123456789, 128)), 123456789)
+        self.assertEqual(bytes2int(_int2bytes(123456789, 128)), 123456789)
+
+    def test_chunk_size(self):
+        self.assertEqual(int2bytes(123456789, 6), b'\x00\x00\x07[\xcd\x15')
+        self.assertEqual(int2bytes(123456789, 7),
+                         b'\x00\x00\x00\x07[\xcd\x15')
+
+        self.assertEqual(_int2bytes(123456789, 6),
+                         b'\x00\x00\x07[\xcd\x15')
+        self.assertEqual(_int2bytes(123456789, 7),
+                         b'\x00\x00\x00\x07[\xcd\x15')
+
+    def test_zero(self):
+        self.assertEqual(int2bytes(0, 4), b'\x00' * 4)
+        self.assertEqual(int2bytes(0, 7), b'\x00' * 7)
+        self.assertEqual(int2bytes(0), b'\x00')
+
+        self.assertEqual(_int2bytes(0, 4), b'\x00' * 4)
+        self.assertEqual(_int2bytes(0, 7), b'\x00' * 7)
+        self.assertEqual(_int2bytes(0), b'\x00')
+
+    def test_correctness_against_base_implementation(self):
+        # Slow test.
+        values = [
+            1 << 512,
+            1 << 8192,
+            1 << 77,
+        ]
+        for value in values:
+            self.assertEqual(int2bytes(value), _int2bytes(value),
+                             "Boom %d" % value)
+            self.assertEqual(bytes2int(int2bytes(value)),
+                             value,
+                             "Boom %d" % value)
+            self.assertEqual(bytes2int(_int2bytes(value)),
+                             value,
+                             "Boom %d" % value)
+
+    def test_raises_OverflowError_when_chunk_size_is_insufficient(self):
+        self.assertRaises(OverflowError, int2bytes, 123456789, 3)
+        self.assertRaises(OverflowError, int2bytes, 299999999999, 4)
+
+        self.assertRaises(OverflowError, _int2bytes, 123456789, 3)
+        self.assertRaises(OverflowError, _int2bytes, 299999999999, 4)
+
+    def test_raises_ValueError_when_negative_integer(self):
+        self.assertRaises(ValueError, int2bytes, -1)
+        self.assertRaises(ValueError, _int2bytes, -1)
+
+    def test_raises_TypeError_when_not_integer(self):
+        self.assertRaises(TypeError, int2bytes, None)
+        self.assertRaises(TypeError, _int2bytes, None)