/**
* The mapper should execute the 'groupBy' Stellar expressions and use that to generate a row key.
*/
@Test
public void testExecuteGroupBy() throws Exception {
// setup - expression that refers to the ProfileMeasurement.end
measurement.setGroupBy(Arrays.asList("2 + 2"));
// execute
mapper.rowKey(tuple);
// capture the ProfileMeasurement that should be emitted
ArgumentCaptor<List> arg = ArgumentCaptor.forClass(List.class);
verify(rowKeyBuilder).rowKey(any(), arg.capture());
// validate
List<Object> actual = arg.getValue();
Assert.assertEquals(4.0, actual.get(0));
}
@Before
public void setup() {
executor = new DefaultStellarExecutor();
rowKeyBuilder = mock(RowKeyBuilder.class);
mapper = new ProfileHBaseMapper();
mapper.setExecutor(executor);
mapper.setRowKeyBuilder(rowKeyBuilder);
measurement = new ProfileMeasurement("profile", "entity", 20000, 15, TimeUnit.MINUTES);
measurement.setValue(22);
profile = new ProfileConfig();
// the tuple will contain the original message
tuple = mock(Tuple.class);
when(tuple.getValueByField(eq("measurement"))).thenReturn(measurement);
when(tuple.getValueByField(eq("profile"))).thenReturn(profile);
}