HpackTestCase Class — netty Architecture

Source Code

codec-http2/src/test/java/io/netty/handler/codec/http2/HpackTestCase.java lines 59–290

final class HpackTestCase {

    private static final Gson GSON = new GsonBuilder()
            .setFieldNamingPolicy(FieldNamingPolicy.LOWER_CASE_WITH_UNDERSCORES)
            .registerTypeAdapter(HpackHeaderField.class, new HeaderFieldDeserializer())
            .create();

    int maxHeaderTableSize = -1;
    boolean sensitiveHeaders;

    List<HeaderBlock> headerBlocks;

    private HpackTestCase() {
    }

    static HpackTestCase load(InputStream is) {
        InputStreamReader r = new InputStreamReader(is);
        HpackTestCase hpackTestCase = GSON.fromJson(r, HpackTestCase.class);
        for (HeaderBlock headerBlock : hpackTestCase.headerBlocks) {
            headerBlock.encodedBytes = StringUtil.decodeHexDump(headerBlock.getEncodedStr());
        }
        return hpackTestCase;
    }

    void testCompress() throws Exception {
        HpackEncoder hpackEncoder = createEncoder();

        for (HeaderBlock headerBlock : headerBlocks) {

            byte[] actual =
                    encode(hpackEncoder, headerBlock.getHeaders(), headerBlock.getMaxHeaderTableSize(),
                            sensitiveHeaders);

            if (!Arrays.equals(actual, headerBlock.encodedBytes)) {
                throw new AssertionError(
                        "\nEXPECTED:\n" + headerBlock.getEncodedStr() +
                                "\nACTUAL:\n" + StringUtil.toHexString(actual));
            }

            List<HpackHeaderField> actualDynamicTable = new ArrayList<HpackHeaderField>();
            for (int index = 0; index < hpackEncoder.length(); index++) {
                actualDynamicTable.add(hpackEncoder.getHeaderField(index));
            }

            List<HpackHeaderField> expectedDynamicTable = headerBlock.getDynamicTable();

            if (!headersEqual(expectedDynamicTable, actualDynamicTable)) {
                throw new AssertionError(
                        "\nEXPECTED DYNAMIC TABLE:\n" + expectedDynamicTable +
                                "\nACTUAL DYNAMIC TABLE:\n" + actualDynamicTable);
            }

            if (headerBlock.getTableSize() != hpackEncoder.size()) {
                throw new AssertionError(
                        "\nEXPECTED TABLE SIZE: " + headerBlock.getTableSize() +
                                "\n ACTUAL TABLE SIZE : " + hpackEncoder.size());
            }
        }
    }

    void testDecompress() throws Exception {
        HpackDecoder hpackDecoder = createDecoder();

        for (HeaderBlock headerBlock : headerBlocks) {

            List<HpackHeaderField> actualHeaders = decode(hpackDecoder, headerBlock.encodedBytes);

            List<HpackHeaderField> expectedHeaders = new ArrayList<HpackHeaderField>();
            for (HpackHeaderField h : headerBlock.getHeaders()) {
                expectedHeaders.add(new HpackHeaderField(h.name, h.value));
            }

            if (!headersEqual(expectedHeaders, actualHeaders)) {
                throw new AssertionError(
                        "\nEXPECTED:\n" + expectedHeaders +
                                "\nACTUAL:\n" + actualHeaders);
            }

            List<HpackHeaderField> actualDynamicTable = new ArrayList<HpackHeaderField>();
            for (int index = 0; index < hpackDecoder.length(); index++) {
                actualDynamicTable.add(hpackDecoder.getHeaderField(index));