From f04317ae24441082279ea73ccca0a6630c33cc86 Mon Sep 17 00:00:00 2001 From: Donald Stufft Date: Sun, 27 Oct 2013 16:44:30 -0400 Subject: Move primtives into a hazmat package --- tests/hazmat/primitives/test_hashes.py | 136 +++++++++++++++++++++++++++++++++ 1 file changed, 136 insertions(+) create mode 100644 tests/hazmat/primitives/test_hashes.py (limited to 'tests/hazmat/primitives/test_hashes.py') diff --git a/tests/hazmat/primitives/test_hashes.py b/tests/hazmat/primitives/test_hashes.py new file mode 100644 index 00000000..110ca4b7 --- /dev/null +++ b/tests/hazmat/primitives/test_hashes.py @@ -0,0 +1,136 @@ +# 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 +# +# http://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. + +from __future__ import absolute_import, division, print_function + +import pretend + +import pytest + +import six + +from cryptography.bindings import _default_backend + +from cryptography.hazmat.primitives import hashes + +from .utils import generate_base_hash_test + + +class TestBaseHash(object): + def test_base_hash_reject_unicode(self, backend): + m = hashes.SHA1(backend=backend) + with pytest.raises(TypeError): + m.update(six.u("\u00FC")) + + def test_base_hash_hexdigest_string_type(self, backend): + m = hashes.SHA1(backend=backend, data=b"") + assert isinstance(m.hexdigest(), str) + + +class TestCopyHash(object): + def test_copy_backend_object(self): + pretend_hashes = pretend.stub(copy_ctx=lambda a: "copiedctx") + pretend_backend = pretend.stub(hashes=pretend_hashes) + pretend_ctx = pretend.stub() + h = hashes.SHA1(backend=pretend_backend, ctx=pretend_ctx) + assert h._backend is pretend_backend + assert h.copy()._backend is h._backend + + +class TestDefaultBackendSHA1(object): + def test_default_backend_creation(self): + """ + This test assumes the presence of SHA1 in the default backend. + """ + h = hashes.SHA1() + assert h._backend is _default_backend + + +class TestSHA1(object): + test_SHA1 = generate_base_hash_test( + hashes.SHA1, + digest_size=20, + block_size=64, + only_if=lambda backend: backend.hashes.supported(hashes.SHA1), + skip_message="Does not support SHA1", + ) + + +class TestSHA224(object): + test_SHA224 = generate_base_hash_test( + hashes.SHA224, + digest_size=28, + block_size=64, + only_if=lambda backend: backend.hashes.supported(hashes.SHA224), + skip_message="Does not support SHA224", + ) + + +class TestSHA256(object): + test_SHA256 = generate_base_hash_test( + hashes.SHA256, + digest_size=32, + block_size=64, + only_if=lambda backend: backend.hashes.supported(hashes.SHA256), + skip_message="Does not support SHA256", + ) + + +class TestSHA384(object): + test_SHA384 = generate_base_hash_test( + hashes.SHA384, + digest_size=48, + block_size=128, + only_if=lambda backend: backend.hashes.supported(hashes.SHA384), + skip_message="Does not support SHA384", + ) + + +class TestSHA512(object): + test_SHA512 = generate_base_hash_test( + hashes.SHA512, + digest_size=64, + block_size=128, + only_if=lambda backend: backend.hashes.supported(hashes.SHA512), + skip_message="Does not support SHA512", + ) + + +class TestRIPEMD160(object): + test_RIPEMD160 = generate_base_hash_test( + hashes.RIPEMD160, + digest_size=20, + block_size=64, + only_if=lambda backend: backend.hashes.supported(hashes.RIPEMD160), + skip_message="Does not support RIPEMD160", + ) + + +class TestWhirlpool(object): + test_Whirlpool = generate_base_hash_test( + hashes.Whirlpool, + digest_size=64, + block_size=64, + only_if=lambda backend: backend.hashes.supported(hashes.Whirlpool), + skip_message="Does not support Whirlpool", + ) + + +class TestMD5(object): + test_MD5 = generate_base_hash_test( + hashes.MD5, + digest_size=16, + block_size=64, + only_if=lambda backend: backend.hashes.supported(hashes.MD5), + skip_message="Does not support MD5", + ) -- cgit v1.2.3