Method setupMockScanners

test/core/TestSaltScanner.java:455–481

Sets up a pair of scanners with either a list of values or no data @param no_data Whether or not to return 0 data.

(final boolean no_data)

   * @param no_data Whether or not to return 0 data.
   */
  protected void setupMockScanners(final boolean no_data) throws Exception {
    if (Const.SALT_WIDTH() > 0) {
      scanners = new ArrayList<Scanner>(Const.SALT_BUCKETS());
      scanner_a = mock(Scanner.class);
      scanner_b = mock(Scanner.class);
      if (no_data) {
        when(scanner_a.nextRows()).thenReturn(
            Deferred.<ArrayList<ArrayList<KeyValue>>>fromResult(null));
        when(scanner_b.nextRows()).thenReturn(
            Deferred.<ArrayList<ArrayList<KeyValue>>>fromResult(null));
      } else {
        setupValues();
      }
      scanners.add(scanner_a);
      scanners.add(scanner_b);
    } else {
      scanners = new ArrayList<Scanner>(1);
      scanner_a = mock(Scanner.class);
      if (no_data) {
        when(scanner_a.nextRows()).thenReturn(
            Deferred.<ArrayList<ArrayList<KeyValue>>>fromResult(null));
      } else {
        setupValues();
      }
      scanners.add(scanner_a);
    }
  }
  
  /**
   * This method sets up some row keys and values to pass to the scanners.