@Test
public void linesAreCalculatedFromTheSameFile() throws Exception {
IdSetterReducer reducer = new IdSetterReducer();
IdSetterKey key = new IdSetterKey("f2", 20, 0);
TreeMap<String, Long> counters = new TreeMap<String, Long>();
counters.put("f2_4", 40L);
assertEquals(40, reducer.calculatePreviousLinesInFile(key, counters));
}
@Test
public void zeroLinesAreCalculatedFromAnotherFile() throws Exception {
IdSetterReducer reducer = new IdSetterReducer();
IdSetterKey key = new IdSetterKey("f2", 20, 0);
TreeMap<String, Long> counters = new TreeMap<String, Long>();
counters.put("f1_0", 10L);
assertEquals(10, reducer.calculatePreviousLinesInFile(key, counters));
}