Package com.google.common.io

Examples of com.google.common.io.CountingOutputStream

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public class TestCellCodec {

  @Test
  public void testEmptyWorks() throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    CountingOutputStream cos = new CountingOutputStream(baos);
    DataOutputStream dos = new DataOutputStream(cos);
    Codec codec = new CellCodec();
    Codec.Encoder encoder = codec.getEncoder(dos);
    encoder.flush();
    dos.close();
    long offset = cos.getCount();
    assertEquals(0, offset);
    CountingInputStream cis =
      new CountingInputStream(new ByteArrayInputStream(baos.toByteArray()));
    DataInputStream dis = new DataInputStream(cis);
    Codec.Decoder decoder = codec.getDecoder(dis);
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  }

  @Test
  public void testOne() throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    CountingOutputStream cos = new CountingOutputStream(baos);
    DataOutputStream dos = new DataOutputStream(cos);
    Codec codec = new CellCodec();
    Codec.Encoder encoder = codec.getEncoder(dos);
    final KeyValue kv =
      new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("q"), Bytes.toBytes("v"));
    kv.setSequenceId(Long.MAX_VALUE);
    encoder.write(kv);
    encoder.flush();
    dos.close();
    long offset = cos.getCount();
    CountingInputStream cis =
      new CountingInputStream(new ByteArrayInputStream(baos.toByteArray()));
    DataInputStream dis = new DataInputStream(cis);
    Codec.Decoder decoder = codec.getDecoder(dis);
    assertTrue(decoder.advance()); // First read should pull in the KV
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  }

  @Test
  public void testThree() throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    CountingOutputStream cos = new CountingOutputStream(baos);
    DataOutputStream dos = new DataOutputStream(cos);
    Codec codec = new CellCodec();
    Codec.Encoder encoder = codec.getEncoder(dos);
    final KeyValue kv1 =
      new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("1"), Bytes.toBytes("1"));
    final KeyValue kv2 =
      new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("2"), Bytes.toBytes("2"));
    final KeyValue kv3 =
      new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("3"), Bytes.toBytes("3"));
    encoder.write(kv1);
    encoder.write(kv2);
    encoder.write(kv3);
    encoder.flush();
    dos.close();
    long offset = cos.getCount();
    CountingInputStream cis =
      new CountingInputStream(new ByteArrayInputStream(baos.toByteArray()));
    DataInputStream dis = new DataInputStream(cis);
    Codec.Decoder decoder = codec.getDecoder(dis);
    assertTrue(decoder.advance());
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  public static final Log LOG = LogFactory.getLog(TestCellMessageCodec.class);

  @Test
  public void testEmptyWorks() throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    CountingOutputStream cos = new CountingOutputStream(baos);
    DataOutputStream dos = new DataOutputStream(cos);
    MessageCodec cmc = new MessageCodec();
    Codec.Encoder encoder = cmc.getEncoder(dos);
    encoder.flush();
    dos.close();
    long offset = cos.getCount();
    assertEquals(0, offset);
    CountingInputStream cis = new CountingInputStream(new ByteArrayInputStream(baos.toByteArray()));
    DataInputStream dis = new DataInputStream(cis);
    Codec.Decoder decoder = cmc.getDecoder(dis);
    assertFalse(decoder.advance());
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  }

  @Test
  public void testOne() throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    CountingOutputStream cos = new CountingOutputStream(baos);
    DataOutputStream dos = new DataOutputStream(cos);
    MessageCodec cmc = new MessageCodec();
    Codec.Encoder encoder = cmc.getEncoder(dos);
    final KeyValue kv =
      new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("q"), Bytes.toBytes("v"));
    encoder.write(kv);
    encoder.flush();
    dos.close();
    long offset = cos.getCount();
    CountingInputStream cis = new CountingInputStream(new ByteArrayInputStream(baos.toByteArray()));
    DataInputStream dis = new DataInputStream(cis);
    Codec.Decoder decoder = cmc.getDecoder(dis);
    assertTrue(decoder.advance()); // First read should pull in the KV
    assertFalse(decoder.advance()); // Second read should trip over the end-of-stream  marker and return false
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  }

  @Test
  public void testThree() throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    CountingOutputStream cos = new CountingOutputStream(baos);
    DataOutputStream dos = new DataOutputStream(cos);
    MessageCodec cmc = new MessageCodec();
    Codec.Encoder encoder = cmc.getEncoder(dos);
    final KeyValue kv1 = new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("1"), Bytes.toBytes("1"));
    final KeyValue kv2 = new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("2"), Bytes.toBytes("2"));
    final KeyValue kv3 = new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("3"), Bytes.toBytes("3"));
    encoder.write(kv1);
    encoder.write(kv2);
    encoder.write(kv3);
    encoder.flush();
    dos.close();
    long offset = cos.getCount();
    CountingInputStream cis = new CountingInputStream(new ByteArrayInputStream(baos.toByteArray()));
    DataInputStream dis = new DataInputStream(cis);
    Codec.Decoder decoder = cmc.getDecoder(dis);
    assertTrue(decoder.advance());
    Cell c = decoder.current();
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    * @param connection
    *           connection to write to
    */
   void writePayloadToConnection(Payload payload, Object lengthDesc, HttpURLConnection connection) throws IOException {
      connection.setDoOutput(true);
      CountingOutputStream out = new CountingOutputStream(connection.getOutputStream());
      try {
         payload.writeTo(out);
      } catch (IOException e) {
         logger.error(e, "error after writing %d/%s bytes to %s", out.getCount(), lengthDesc, connection.getURL());
         throw e;
      }
   }
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@Category(SmallTests.class)
public class TestKeyValueCodec {
  @Test
  public void testEmptyWorks() throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    CountingOutputStream cos = new CountingOutputStream(baos);
    DataOutputStream dos = new DataOutputStream(cos);
    KeyValueCodec kvc = new KeyValueCodec();
    Codec.Encoder encoder = kvc.getEncoder(dos);
    encoder.flush();
    dos.close();
    long offset = cos.getCount();
    assertEquals(0, offset);
    CountingInputStream cis =
      new CountingInputStream(new ByteArrayInputStream(baos.toByteArray()));
    DataInputStream dis = new DataInputStream(cis);
    Codec.Decoder decoder = kvc.getDecoder(dis);
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  }

  @Test
  public void testOne() throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    CountingOutputStream cos = new CountingOutputStream(baos);
    DataOutputStream dos = new DataOutputStream(cos);
    KeyValueCodec kvc = new KeyValueCodec();
    Codec.Encoder encoder = kvc.getEncoder(dos);
    final KeyValue kv =
      new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("q"), Bytes.toBytes("v"));
    final long length = kv.getLength() + Bytes.SIZEOF_INT;
    encoder.write(kv);
    encoder.flush();
    dos.close();
    long offset = cos.getCount();
    assertEquals(length, offset);
    CountingInputStream cis =
      new CountingInputStream(new ByteArrayInputStream(baos.toByteArray()));
    DataInputStream dis = new DataInputStream(cis);
    Codec.Decoder decoder = kvc.getDecoder(dis);
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  }

  @Test
  public void testThree() throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    CountingOutputStream cos = new CountingOutputStream(baos);
    DataOutputStream dos = new DataOutputStream(cos);
    KeyValueCodec kvc = new KeyValueCodec();
    Codec.Encoder encoder = kvc.getEncoder(dos);
    final KeyValue kv1 =
      new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("1"), Bytes.toBytes("1"));
    final KeyValue kv2 =
      new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("2"), Bytes.toBytes("2"));
    final KeyValue kv3 =
      new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("3"), Bytes.toBytes("3"));
    final long length = kv1.getLength() + Bytes.SIZEOF_INT;
    encoder.write(kv1);
    encoder.write(kv2);
    encoder.write(kv3);
    encoder.flush();
    dos.close();
    long offset = cos.getCount();
    assertEquals(length * 3, offset);
    CountingInputStream cis =
      new CountingInputStream(new ByteArrayInputStream(baos.toByteArray()));
    DataInputStream dis = new DataInputStream(cis);
    Codec.Decoder decoder = kvc.getDecoder(dis);
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