@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);
}
}
