Base64Test Class — netty Architecture

Source Code

codec-base/src/test/java/io/netty/handler/codec/base64/Base64Test.java lines 39–263

public class Base64Test {

    @Test
    public void testNotAddNewLineWhenEndOnLimit() {
        ByteBuf src = copiedBuffer("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcde",
                CharsetUtil.US_ASCII);
        ByteBuf expectedEncoded =
                copiedBuffer("YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXphYmNkZWZnaGlqa2xtbm9wcXJzdHV2d3h5emFiY2Rl",
                        CharsetUtil.US_ASCII);
        testEncode(src, expectedEncoded);
    }

    @Test
    public void testAddNewLine() {
        ByteBuf src = copiedBuffer("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz12345678",
                CharsetUtil.US_ASCII);
        ByteBuf expectedEncoded =
                copiedBuffer("YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXphYmNkZWZnaGlqa2xtbm9wcXJzdHV2d3h5ejEyMzQ1\nNjc4",
                        CharsetUtil.US_ASCII);
        testEncode(src, expectedEncoded);
    }

    @Test
    public void testEncodeEmpty() {
        ByteBuf src = Unpooled.EMPTY_BUFFER;
        ByteBuf expectedEncoded = Unpooled.EMPTY_BUFFER;
        testEncode(src, expectedEncoded);
    }

    @Test
    public void testPaddingNewline() throws Exception {
        String cert = "-----BEGIN CERTIFICATE-----\n" +
                "MIICqjCCAjGgAwIBAgICI1YwCQYHKoZIzj0EATAmMSQwIgYDVQQDDBtUcnVzdGVk\n" +
                "IFRoaW4gQ2xpZW50IFJvb3QgQ0EwIhcRMTYwMTI0MTU0OTQ1LTA2MDAXDTE2MDQy\n" +
                "NTIyNDk0NVowYzEwMC4GA1UEAwwnREMgMGRlYzI0MGYtOTI2OS00MDY5LWE2MTYt\n" +
                "YjJmNTI0ZjA2ZGE0MREwDwYDVQQLDAhEQyBJUFNFQzEcMBoGA1UECgwTVHJ1c3Rl\n" +
                "ZCBUaGluIENsaWVudDB2MBAGByqGSM49AgEGBSuBBAAiA2IABOB7pZYC24sF5gJm\n" +
                "OHXhasxmrNYebdtSAiQRgz0M0pIsogsFeTU/W0HTlTOqwDDckphHESAKHVxa6EBL\n" +
                "d+/8HYZ1AaCmXtG73XpaOyaRr3TipJl2IaJzwuehgDHs0L+qcqOB8TCB7jAwBgYr\n" +
                "BgEBEAQEJgwkMGRlYzI0MGYtOTI2OS00MDY5LWE2MTYtYjJmNTI0ZjA2ZGE0MCMG\n" +
                "CisGAQQBjCHbZwEEFQwTNDkwNzUyMjc1NjM3MTE3Mjg5NjAUBgorBgEEAYwh22cC\n" +
                "BAYMBDIwNTkwCwYDVR0PBAQDAgXgMAkGA1UdEwQCMAAwHQYDVR0OBBYEFGWljaKj\n" +
                "wiGqW61PgLL/zLxj4iirMB8GA1UdIwQYMBaAFA2FRBtG/dGnl0iXP2uKFwJHmEQI\n" +
                "MCcGA1UdJQQgMB4GCCsGAQUFBwMCBggrBgEFBQcDAQYIKwYBBQUHAwkwCQYHKoZI\n" +
                "zj0EAQNoADBlAjAQFP8rMLUxl36u8610LsSCiRG8pP3gjuLaaJMm3tjbVue/TI4C\n" +
                "z3iL8i96YWK0VxcCMQC7pf6Wk3RhUU2Sg6S9e6CiirFLDyzLkaWxuCnXcOwTvuXT\n" +
                "HUQSeUCp2Q6ygS5qKyc=\n" +
                "-----END CERTIFICATE-----";

        String expected = "MIICqjCCAjGgAwIBAgICI1YwCQYHKoZIzj0EATAmMSQwIgYDVQQDDBtUcnVzdGVkIFRoaW4gQ2xp\n" +
                "ZW50IFJvb3QgQ0EwIhcRMTYwMTI0MTU0OTQ1LTA2MDAXDTE2MDQyNTIyNDk0NVowYzEwMC4GA1UE\n" +
                "AwwnREMgMGRlYzI0MGYtOTI2OS00MDY5LWE2MTYtYjJmNTI0ZjA2ZGE0MREwDwYDVQQLDAhEQyBJ\n" +
                "UFNFQzEcMBoGA1UECgwTVHJ1c3RlZCBUaGluIENsaWVudDB2MBAGByqGSM49AgEGBSuBBAAiA2IA\n" +
                "BOB7pZYC24sF5gJmOHXhasxmrNYebdtSAiQRgz0M0pIsogsFeTU/W0HTlTOqwDDckphHESAKHVxa\n" +
                "6EBLd+/8HYZ1AaCmXtG73XpaOyaRr3TipJl2IaJzwuehgDHs0L+qcqOB8TCB7jAwBgYrBgEBEAQE\n" +
                "JgwkMGRlYzI0MGYtOTI2OS00MDY5LWE2MTYtYjJmNTI0ZjA2ZGE0MCMGCisGAQQBjCHbZwEEFQwT\n" +
                "NDkwNzUyMjc1NjM3MTE3Mjg5NjAUBgorBgEEAYwh22cCBAYMBDIwNTkwCwYDVR0PBAQDAgXgMAkG\n" +
                "A1UdEwQCMAAwHQYDVR0OBBYEFGWljaKjwiGqW61PgLL/zLxj4iirMB8GA1UdIwQYMBaAFA2FRBtG\n" +
                "/dGnl0iXP2uKFwJHmEQIMCcGA1UdJQQgMB4GCCsGAQUFBwMCBggrBgEFBQcDAQYIKwYBBQUHAwkw\n" +
                "CQYHKoZIzj0EAQNoADBlAjAQFP8rMLUxl36u8610LsSCiRG8pP3gjuLaaJMm3tjbVue/TI4Cz3iL\n" +
                "8i96YWK0VxcCMQC7pf6Wk3RhUU2Sg6S9e6CiirFLDyzLkaWxuCnXcOwTvuXTHUQSeUCp2Q6ygS5q\n" +
                "Kyc=";

        ByteBuf src = Unpooled.wrappedBuffer(certFromString(cert).getEncoded());
        ByteBuf expectedEncoded = copiedBuffer(expected, CharsetUtil.US_ASCII);
        testEncode(src, expectedEncoded);
    }

    private static X509Certificate certFromString(String string) throws Exception {
        CertificateFactory factory = CertificateFactory.getInstance("X.509");
        ByteArrayInputStream bin = new ByteArrayInputStream(string.getBytes(CharsetUtil.US_ASCII));
        return (X509Certificate) factory.generateCertificate(bin);
    }

    private static void testEncode(ByteBuf src, ByteBuf expectedEncoded) {
        ByteBuf encoded = Base64.encode(src, true, Base64Dialect.STANDARD);
        try {
            assertEquals(expectedEncoded, encoded);
        } finally {
            src.release();
            expectedEncoded.release();