BaseHashingTest.java

package org.ggp.base.util.crypto;

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

/**
 * Unit tests for the BaseHashing class, which implements some utility
 * functions for cryptographic hashing in GGP.
 *
 * @author Sam
 */
public class BaseHashingTest extends Assert {
    @Test
    public void testHashesAreExpected() throws Exception {
        // Hash codes generated by "computeSHA1Hash" are persisted in several places.
        // It's important that we not change this hash function, or systems that depend
        // on these persisted hash codes will break in unexpected ways. This test is set
        // up to fail if the hashing algorithm ever changes.
        assertEquals(BaseHashing.computeSHA1Hash("hello world"), "2aae6c35c94fcfb415dbe95f408b9ce91ee846ed");
        assertEquals(BaseHashing.computeSHA1Hash("12345678901"), "266dc053a8163e676e83243070241c8917f8a8a3");
    }
}