Project: CouchbaseMock
/**
 *     Copyright 2011 Membase, Inc. 
 * 
 *   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 org.couchbase.mock.util; 
 
import junit.framework.TestCase; 
 
/**
 * Test that the utility functions in Base64 works as expected. 
 * 
 * @author Trond Norbye 
 */ 
public class Base64Test extends TestCase { 
 
    public Base64Test(String testName) { 
        super(testName); 
    } 
 
    @Override 
    protected void setUp() throws Exception { 
        super.setUp(); 
    } 
 
    @Override 
    protected void tearDown() throws Exception { 
        super.tearDown(); 
    } 
 
    public void validateEncode(String input, String expResult) { 
        String result = Base64.encode(input); 
        assertEquals(expResult, result); 
    } 
 
    /**
     * Test of encode method, of class Base64. 
     */ 
    public void testEncode() { 
        System.out.println("encode"); 
        validateEncode("Aladdin:open sesame", "QWxhZGRpbjpvcGVuIHNlc2FtZQ=="); 
 
        /* Test cases from RFC 4648 */ 
        validateEncode("", ""); 
        validateEncode("f", "Zg=="); 
        validateEncode("fo", "Zm8="); 
        validateEncode("foo", "Zm9v"); 
        validateEncode("foob", "Zm9vYg=="); 
        validateEncode("fooba", "Zm9vYmE="); 
        validateEncode("foobar", "Zm9vYmFy"); 
 
        /* Examples from http://en.wikipedia.org/wiki/Base64 */ 
        validateEncode("Man is distinguished, not only by his reason, but by this singular " 
                + "passion from other animals, which is a lust of the mind, that by a " 
                + "perseverance of delight in the continued and indefatigable generation" 
                + " of knowledge, exceeds the short vehemence of any carnal pleasure.", 
                "TWFuIGlzIGRpc3Rpbmd1aXNoZWQsIG5vdCBvbmx5IGJ5IGhpcyByZWFzb24sIGJ1dCBieSB0aGlz" 
                + "IHNpbmd1bGFyIHBhc3Npb24gZnJvbSBvdGhlciBhbmltYWxzLCB3aGljaCBpcyBhIGx1c3Qgb2Yg" 
                + "dGhlIG1pbmQsIHRoYXQgYnkgYSBwZXJzZXZlcmFuY2Ugb2YgZGVsaWdodCBpbiB0aGUgY29udGlu" 
                + "dWVkIGFuZCBpbmRlZmF0aWdhYmxlIGdlbmVyYXRpb24gb2Yga25vd2xlZGdlLCBleGNlZWRzIHRo" 
                + "ZSBzaG9ydCB2ZWhlbWVuY2Ugb2YgYW55IGNhcm5hbCBwbGVhc3VyZS4="); 
        validateEncode("pleasure.", "cGxlYXN1cmUu"); 
        validateEncode("leasure.", "bGVhc3VyZS4="); 
        validateEncode("easure.", "ZWFzdXJlLg=="); 
        validateEncode("asure.", "YXN1cmUu"); 
        validateEncode("sure.", "c3VyZS4="); 
 
        /* Dummy test data  It looks like the "base64" command line utility from gnu
         * coreutils adds the "\n" to the encoded data... 
         */ 
        validateEncode("Administrator:password", "QWRtaW5pc3RyYXRvcjpwYXNzd29yZA=="); 
        validateEncode("@", "QA=="); 
        validateEncode("@\n", "QAo="); 
        validateEncode("@@", "QEA="); 
        validateEncode("@@\n", "QEAK"); 
        validateEncode("@@@", "QEBA"); 
        validateEncode("@@@\n", "QEBACg=="); 
        validateEncode("@@@@", "QEBAQA=="); 
        validateEncode("@@@@\n", "QEBAQAo="); 
        validateEncode("blahblah:[email protected]@h", "YmxhaGJsYWg6YmxhQEBo"); 
        validateEncode("blahblah:[email protected]@h\n", "YmxhaGJsYWg6YmxhQEBoCg=="); 
    } 
 
    public void validateDecode(String input, String expResult) { 
        String result = Base64.decode(input); 
        assertEquals(expResult, result); 
    } 
 
    /**
     * Test of decode method, of class Base64. 
     */ 
    public void testDecode() { 
        System.out.println("decode"); 
 
        validateDecode("QWxhZGRpbjpvcGVuIHNlc2FtZQ==", "Aladdin:open sesame"); 
 
        /* Test cases from RFC 4648 */ 
        validateDecode("", ""); 
        validateDecode("Zg==", "f"); 
        validateDecode("Zm8=", "fo"); 
        validateDecode("Zm9v", "foo"); 
        validateDecode("Zm9vYg==", "foob"); 
        validateDecode("Zm9vYmE=", "fooba"); 
        validateDecode("Zm9vYmFy", "foobar"); 
 
        /* Examples from http://en.wikipedia.org/wiki/Base64 */ 
        validateDecode("TWFuIGlzIGRpc3Rpbmd1aXNoZWQsIG5vdCBvbmx5IGJ5IGhpcyByZWFzb24sIGJ1dCBieSB0aGlz" 
                + "IHNpbmd1bGFyIHBhc3Npb24gZnJvbSBvdGhlciBhbmltYWxzLCB3aGljaCBpcyBhIGx1c3Qgb2Yg" 
                + "dGhlIG1pbmQsIHRoYXQgYnkgYSBwZXJzZXZlcmFuY2Ugb2YgZGVsaWdodCBpbiB0aGUgY29udGlu" 
                + "dWVkIGFuZCBpbmRlZmF0aWdhYmxlIGdlbmVyYXRpb24gb2Yga25vd2xlZGdlLCBleGNlZWRzIHRo" 
                + "ZSBzaG9ydCB2ZWhlbWVuY2Ugb2YgYW55IGNhcm5hbCBwbGVhc3VyZS4=", 
                "Man is distinguished, not only by his reason, but by this singular " 
                + "passion from other animals, which is a lust of the mind, that by a " 
                + "perseverance of delight in the continued and indefatigable generation" 
                + " of knowledge, exceeds the short vehemence of any carnal pleasure."); 
        validateDecode("cGxlYXN1cmUu", "pleasure."); 
        validateDecode("bGVhc3VyZS4=", "leasure."); 
        validateDecode("ZWFzdXJlLg==", "easure."); 
        validateDecode("YXN1cmUu", "asure."); 
        validateDecode("c3VyZS4=", "sure."); 
 
        /* Dummy test data  It looks like the "base64" command line utility from gnu
         * coreutils adds the "\n" to the encoded data... 
         */ 
        validateDecode("QWRtaW5pc3RyYXRvcjpwYXNzd29yZA==", "Administrator:password"); 
        validateDecode("QA==", "@"); 
        validateDecode("QAo=", "@\n"); 
        validateDecode("QEA=", "@@"); 
        validateDecode("QEAK", "@@\n"); 
        validateDecode("QEBA", "@@@"); 
        validateDecode("QEBACg==", "@@@\n"); 
        validateDecode("QEBAQA==", "@@@@"); 
        validateDecode("QEBAQAo=", "@@@@\n"); 
        validateDecode("YmxhaGJsYWg6YmxhQEBo", "blahblah:[email protected]@h"); 
        validateDecode("YmxhaGJsYWg6YmxhQEBoCg==", "blahblah:[email protected]@h\n"); 
        validateDecode("QWxhZGRpbjpvcGVuIHNlc2FtZQ==", "Aladdin:open sesame"); 
    } 
}