@Test
  public void testMultipleCellsInOneFamilyAreConverted() {
    byte[] row = dataHelper.randomData("rk-");
    byte[] family = dataHelper.randomData("f1");
    byte[] qualifier1 = dataHelper.randomData("qual1");
    byte[] qualifier2 = dataHelper.randomData("qual2");
    byte[] value1 = dataHelper.randomData("v1");
    byte[] value2 = dataHelper.randomData("v2");
    long timestamp1 = 1L;
    long timestamp2 = 2L;

    Put hbasePut = new Put(row);
    hbasePut.addColumn(family, qualifier1, timestamp1, value1);
    hbasePut.addColumn(family, qualifier2, timestamp2, value2);

    MutateRowRequest.Builder rowMutationBuilder = adapter.adapt(hbasePut);
    Assert.assertArrayEquals(row, rowMutationBuilder.getRowKey().toByteArray());

    Assert.assertEquals(2, rowMutationBuilder.getMutationsCount());
    Mutation mutation = rowMutationBuilder.getMutations(0);

    Assert.assertEquals(MutationCase.SET_CELL, mutation.getMutationCase());
    SetCell setCell = mutation.getSetCell();
    Assert.assertArrayEquals(family, setCell.getFamilyNameBytes().toByteArray());
    Assert.assertArrayEquals(qualifier1, setCell.getColumnQualifier().toByteArray());
    Assert.assertEquals(TimeUnit.MILLISECONDS.toMicros(timestamp1), setCell.getTimestampMicros());
    Assert.assertArrayEquals(value1, setCell.getValue().toByteArray());

    Mutation mod2 = rowMutationBuilder.getMutations(1);
    SetCell setCell2 = mod2.getSetCell();
    Assert.assertArrayEquals(family, setCell2.getFamilyNameBytes().toByteArray());
    Assert.assertArrayEquals(qualifier2, setCell2.getColumnQualifier().toByteArray());
    Assert.assertEquals(TimeUnit.MILLISECONDS.toMicros(timestamp2), setCell2.getTimestampMicros());
    Assert.assertArrayEquals(value2, setCell2.getValue().toByteArray());
  }
  @Test
  public void testSingleCellIsConverted() {
    byte[] row = dataHelper.randomData("rk-");
    byte[] family = dataHelper.randomData("f");
    byte[] qualifier = dataHelper.randomData("qual");
    byte[] value = dataHelper.randomData("v1");
    long timestamp = 2L;

    Put hbasePut = new Put(row);
    hbasePut.addColumn(family, qualifier, timestamp, value);

    MutateRowRequest.Builder rowMutationBuilder = adapter.adapt(hbasePut);
    Assert.assertArrayEquals(row, rowMutationBuilder.getRowKey().toByteArray());

    Assert.assertEquals(1, rowMutationBuilder.getMutationsCount());
    Mutation mutation = rowMutationBuilder.getMutations(0);

    Assert.assertEquals(MutationCase.SET_CELL, mutation.getMutationCase());
    SetCell setCell = mutation.getSetCell();

    Assert.assertArrayEquals(family, setCell.getFamilyNameBytes().toByteArray());
    Assert.assertArrayEquals(qualifier, setCell.getColumnQualifier().toByteArray());
    Assert.assertEquals(TimeUnit.MILLISECONDS.toMicros(timestamp), setCell.getTimestampMicros());
    Assert.assertArrayEquals(value, setCell.getValue().toByteArray());
  }
  @Test
  public void testRetry() {
    byte[] row = dataHelper.randomData("rk-");
    byte[] family1 = dataHelper.randomData("f1");
    byte[] qualifier1 = dataHelper.randomData("qual1");
    byte[] value1 = dataHelper.randomData("v1");

    Put hbasePut = new Put(row, System.currentTimeMillis());
    hbasePut.addColumn(family1, qualifier1, value1);
    MutateRowRequest.Builder rowMutationBuilder = adapter.adapt(hbasePut);
    MutateRowRequest request = rowMutationBuilder.build();

    // Is the Put retryable?
    Assert.assertTrue(BigtableDataGrpcClient.IS_RETRYABLE_MUTATION.apply(request));
  }
  @Test
  public void testImplicitTimestampsAreUnset() {
    byte[] row = dataHelper.randomData("rk-");
    byte[] family1 = dataHelper.randomData("f1");
    byte[] qualifier1 = dataHelper.randomData("qual1");
    byte[] value1 = dataHelper.randomData("v1");

    Put hbasePut = new Put(row);
    hbasePut.addColumn(family1, qualifier1, value1);

    MutateRowRequest.Builder rowMutationBuilder = adapter.adapt(hbasePut);
    Assert.assertArrayEquals(row, rowMutationBuilder.getRowKey().toByteArray());

    Assert.assertEquals(1, rowMutationBuilder.getMutationsCount());
    Mutation mutation = rowMutationBuilder.getMutations(0);

    Assert.assertEquals(MutationCase.SET_CELL, mutation.getMutationCase());
    SetCell setCell = mutation.getSetCell();

    Assert.assertArrayEquals(family1, setCell.getFamilyNameBytes().toByteArray());
    Assert.assertArrayEquals(qualifier1, setCell.getColumnQualifier().toByteArray());
    Assert.assertEquals(-1L, setCell.getTimestampMicros());
    Assert.assertArrayEquals(value1, setCell.getValue().toByteArray());
  }