@Test
public void testLowMetricTransform() throws Exception {

    List<Datum> data = new ArrayList<>();
    data.add(new Datum(new ArrayList<>(), 1, 2));
    data.add(new Datum(new ArrayList<>(), 1, .01));
    List<Integer> targetAttrs = new ArrayList<>();
    targetAttrs.add(1);
    LowMetricTransform lmt = new LowMetricTransform(targetAttrs);
    lmt.consume(data);
    data = lmt.getStream().drain();
    assertEquals(2, data.size(), 0);
    assertEquals(1, data.get(0).metrics().getEntry(0), 0);
    assertEquals(.5, data.get(0).metrics().getEntry(1), 0);
    assertEquals(1, data.get(1).metrics().getEntry(0), 0);
    assertEquals(10, data.get(1).metrics().getEntry(1), 0);
}