Beispiel #1
0
  @Test
  public void should_iterate_row_with_metadata() throws IOException {
    // given
    String[] columnNames =
        new String[] {
          "id",
          "firstname",
          "lastname",
          "state",
          "registration",
          "city",
          "birth",
          "nbCommands",
          "avgAmount"
        };

    final InputStream input = this.getClass().getResourceAsStream("dataSetRowMetadata.json");
    final ObjectMapper mapper = builder.build();
    try (JsonParser parser = mapper.getFactory().createParser(input)) {
      final DataSet dataSet = mapper.readerFor(DataSet.class).readValue(parser);
      final Iterator<DataSetRow> iterator = dataSet.getRecords().iterator();

      List<ColumnMetadata> actualColumns = new ArrayList<>();
      int recordCount = 0;
      while (iterator.hasNext()) {
        final DataSetRow next = iterator.next();
        actualColumns = next.getRowMetadata().getColumns();
        assertThat(actualColumns, not(empty()));
        recordCount++;
      }

      // then
      assertEquals(10, recordCount);
      for (int i = 0; i < actualColumns.size(); i++) {
        final ColumnMetadata column = actualColumns.get(i);
        assertEquals(columnNames[i], column.getId());
      }
    } catch (Exception e) {
      throw new TDPException(CommonErrorCodes.UNABLE_TO_PARSE_JSON, e);
    }
  }
Beispiel #2
0
  @Test
  public void testRead1() throws Exception {

    DataSet dataSet = from(this.getClass().getResourceAsStream("test1.json"));
    assertNotNull(dataSet);

    final DataSetMetadata metadata = dataSet.getMetadata();
    assertEquals("410d2196-8f90-478f-a817-7e8b6694ac91", metadata.getId());
    assertEquals("test", metadata.getName());
    assertEquals("anonymousUser", metadata.getAuthor());
    assertEquals(2, metadata.getContent().getNbRecords());
    assertEquals(1, metadata.getContent().getNbLinesInHeader());
    assertEquals(0, metadata.getContent().getNbLinesInFooter());

    final SimpleDateFormat dateFormat = new SimpleDateFormat("MM-dd-yyyy HH:mm");
    dateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));

    Date expectedDate = dateFormat.parse("02-17-2015 09:02");
    assertEquals(expectedDate, new Date(metadata.getCreationDate()));

    List<ColumnMetadata> columns = dataSet.getMetadata().getRowMetadata().getColumns();
    assertEquals(6, columns.size());

    ColumnMetadata firstColumn = columns.get(0);
    assertEquals("0001", firstColumn.getId());
    assertEquals("id", firstColumn.getName());
    assertEquals("integer", firstColumn.getType());
    assertEquals(20, firstColumn.getQuality().getEmpty());
    assertEquals(26, firstColumn.getQuality().getInvalid());
    assertEquals(54, firstColumn.getQuality().getValid());

    ColumnMetadata lastColumn = columns.get(5);
    assertEquals("0007", lastColumn.getId());
    assertEquals("string", lastColumn.getType());
    assertEquals(8, lastColumn.getQuality().getEmpty());
    assertEquals(25, lastColumn.getQuality().getInvalid());
    assertEquals(67, lastColumn.getQuality().getValid());
  }