/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.usergrid.security.crypto.command;


import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

import org.junit.Test;
import org.apache.usergrid.persistence.CredentialsInfo;

import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;


/** @author tnine */
public class Sha1HashCommandTest {
    @Test
    public void hashAndAuthCorrect() throws UnsupportedEncodingException, NoSuchAlgorithmException {

        String test = "I'm a  test password";

        byte[] hashed = digest( test.getBytes( "UTF-8" ) );

        Sha1HashCommand command = new Sha1HashCommand();

        CredentialsInfo info = new CredentialsInfo();


        byte[] results = command.hash( test.getBytes( "UTF-8" ), info, null, null );

        assertArrayEquals( hashed, results );

        byte[] authed = command.auth( test.getBytes( "UTF-8" ), info, null, null );

        assertArrayEquals( results, authed );
    }


    /** the sha command MUST implement the name as "sha-1" for backwards compatibility */
    @Test
    public void testLegacyName() {
        Sha1HashCommand command = new Sha1HashCommand();

        assertEquals( "sha-1", command.getName() );
    }


    private byte[] digest( byte[] input ) throws NoSuchAlgorithmException {
        MessageDigest md = MessageDigest.getInstance( "SHA-1" );
        return md.digest( input );
    }
}