TestRolloverSignerSecretProvider.java

/**
 * 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. See accompanying LICENSE file.
 */
package com.hortonworks.registries.auth.util;

import org.junit.Assert;
import org.junit.Test;

public class TestRolloverSignerSecretProvider {

    @Test
    public void testGetAndRollSecrets() throws Exception {
        long rolloverFrequency = 15 * 1000; // rollover every 15 sec
        byte[] secret1 = "doctor".getBytes();
        byte[] secret2 = "who".getBytes();
        byte[] secret3 = "tardis".getBytes();
        TRolloverSignerSecretProvider secretProvider =
                new TRolloverSignerSecretProvider(
                        new byte[][]{secret1, secret2, secret3});
        try {
            secretProvider.init(null, null, rolloverFrequency);

            byte[] currentSecret = secretProvider.getCurrentSecret();
            byte[][] allSecrets = secretProvider.getAllSecrets();
            Assert.assertArrayEquals(secret1, currentSecret);
            Assert.assertEquals(2, allSecrets.length);
            Assert.assertArrayEquals(secret1, allSecrets[0]);
            Assert.assertNull(allSecrets[1]);
            Thread.sleep(rolloverFrequency + 2000);

            currentSecret = secretProvider.getCurrentSecret();
            allSecrets = secretProvider.getAllSecrets();
            Assert.assertArrayEquals(secret2, currentSecret);
            Assert.assertEquals(2, allSecrets.length);
            Assert.assertArrayEquals(secret2, allSecrets[0]);
            Assert.assertArrayEquals(secret1, allSecrets[1]);
            Thread.sleep(rolloverFrequency + 2000);

            currentSecret = secretProvider.getCurrentSecret();
            allSecrets = secretProvider.getAllSecrets();
            Assert.assertArrayEquals(secret3, currentSecret);
            Assert.assertEquals(2, allSecrets.length);
            Assert.assertArrayEquals(secret3, allSecrets[0]);
            Assert.assertArrayEquals(secret2, allSecrets[1]);
            Thread.sleep(rolloverFrequency + 2000);
        } finally {
            secretProvider.destroy();
        }
    }

    class TRolloverSignerSecretProvider extends RolloverSignerSecretProvider {

        private byte[][] newSecretSequence;
        private int newSecretSequenceIndex;

        public TRolloverSignerSecretProvider(byte[][] newSecretSequence)
                throws Exception {
            super();
            this.newSecretSequence = newSecretSequence;
            this.newSecretSequenceIndex = 0;
        }

        @Override
        protected byte[] generateNewSecret() {
            return newSecretSequence[newSecretSequenceIndex++];
        }

    }
}