| // 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. |
| // |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| package com.google.crypto.tink.testing; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import com.google.crypto.tink.KeyTemplate; |
| import com.google.crypto.tink.KeyTypeManager; |
| import com.google.protobuf.ByteString; |
| import com.google.protobuf.MessageLite; |
| |
| /** Helper functions for testing {@link KeyTypeManager} objects. */ |
| public class KeyTypeManagerTestUtil { |
| |
| private static <KeyFormatProtoT extends MessageLite, KeyProtoT extends MessageLite> |
| KeyProtoT parseValidateCreateKey( |
| KeyTypeManager.KeyFactory<KeyFormatProtoT, KeyProtoT> factory, KeyTemplate template) |
| throws Exception { |
| KeyFormatProtoT format = factory.parseKeyFormat(ByteString.copyFrom(template.getValue())); |
| factory.validateKeyFormat(format); |
| return factory.createKey(format); |
| } |
| |
| /** |
| * Checks that the given keyTemplate will be handed to the given KeyTypeManager (if registered), |
| * that it validates, and returns a key if needed. |
| */ |
| public static <KeyProtoT extends MessageLite> KeyProtoT testKeyTemplateCompatible( |
| KeyTypeManager<KeyProtoT> manager, KeyTemplate template) throws Exception { |
| assertThat(template.getTypeUrl()).isEqualTo(manager.getKeyType()); |
| return parseValidateCreateKey(manager.keyFactory(), template); |
| } |
| |
| private KeyTypeManagerTestUtil() {} |
| } |