super.setUp();

        // Setup system properties for DI container
        File file = File.createTempFile("test", ".properties");
        file.deleteOnExit();
        FileUtil.writeBytes(file.getAbsolutePath(), "test.property=test".getBytes("UTF-8"));
        DynamicProperties systemProps = new DynamicProperties(file);
        ComponentUtil.register(systemProps, "systemProperties");

    // TODO
    /*
    private File file1;
    @Override
    public void setUp() throws Exception {
        super.setUp();
        file1 = File.createTempFile("synonym", ".txt");
        FileUtil.writeBytes(file1.getAbsolutePath(),
                "a1=>A1\nb1,b2 => B1\nc1 => C1, C2\nx1,X1\ny1, Y1, y2"
                        .getBytes(Constants.UTF_8));
        // TODO set up opensearch and dictionaryManager

        cipher.setKey("1234567890123456");

        // Setup system properties for DI container
        File file = File.createTempFile("test", ".properties");
        file.deleteOnExit();
        FileUtil.writeBytes(file.getAbsolutePath(), "test.property=test".getBytes("UTF-8"));
        DynamicProperties systemProps = new DynamicProperties(file);
        ComponentUtil.register(systemProps, "systemProperties");

		n, err := buf.Write(testBytes[0:1])
		if want := 1; err != nil || n != want {
			t.Errorf("Write: got (%d, %v), want (%d, %v)", n, err, want, nil)
		}
		check(t, "TestBasicOperations (4)", &buf, "a")

		buf.WriteByte(testString[1])
		check(t, "TestBasicOperations (5)", &buf, "ab")

		n, err = buf.Write(testBytes[2:26])
		if want := 24; err != nil || n != want {
			t.Errorf("Write: got (%d, %v), want (%d, %v)", n, err, want, nil)

	}
}

type readFromWriter struct {
	buf           []byte
	writeBytes    int
	readFromBytes int
}

func (w *readFromWriter) Write(p []byte) (int, error) {
	w.buf = append(w.buf, p...)
	w.writeBytes += len(p)
	return len(p), nil
}

func (w *readFromWriter) ReadFrom(r io.Reader) (int64, error) {
	b, err := io.ReadAll(r)

	var buf bytes.Buffer
	for _, k := range headers {
		buf.WriteString(k)
		buf.WriteByte(':')
		switch k {
		case "host":
			buf.WriteString(req.URL.Host)
			fallthrough
		default:
			for idx, v := range headerMap[k] {
				if idx > 0 {
					buf.WriteByte(',')
				}
				buf.WriteString(v)
			}
			buf.WriteByte('\n')
		}
	}
	canonicalHeaders := buf.String()

	// Get signed headers.

     */
    fun concatLengthPrefixed(protocols: List<Protocol>): ByteArray {
      val result = Buffer()
      for (protocol in alpnProtocolNames(protocols)) {
        result.writeByte(protocol.length)
        result.writeUtf8(protocol)
      }
      return result.readByteArray()
    }
  }

    @Override
    public void setUp() throws Exception {
        super.setUp();
        final File propFile = File.createTempFile("system", ".properties");
        propFile.deleteOnExit();
        FileUtil.writeBytes(propFile.getAbsolutePath(), "".getBytes());
        ComponentUtil.register(new DynamicProperties(propFile), "systemProperties");
        crawlingConfigHelper = new CrawlingConfigHelper();
        crawlingConfigHelper.init();

              @Throws(
                IOException::class,
              )
              override fun writeTo(sink: BufferedSink) {
                for (i in 0..9) {
                  sink.writeByte(0)
                  sink.flush()
                  sleep(100)
                }
                fail("Expected connection to be closed")
              }
            },
        ),
      )

		}
		nn += n
		p = p[n:]
	}
	if b.err != nil {
		return nn, b.err
	}
	n := copy(b.buf[b.n:], p)
	b.n += n
	nn += n
	return nn, nil
}

// WriteByte writes a single byte.
func (b *Writer) WriteByte(c byte) error {
	if b.err != nil {
		return b.err
	}
	if b.Available() <= 0 && b.Flush() != nil {
		return b.err
	}
	b.buf[b.n] = c
	b.n++
	return nil
}