Examples with SamzaRelTableKeyConverter org.apache.samza.sql.interfaces.SamzaRelTableKeyConverter used on opensource projects

Example 1 with SamzaRelTableKeyConverter

use of org.apache.samza.sql.interfaces.SamzaRelTableKeyConverter in project samza by apache.

the class TestSamzaSqlRemoteTableJoinFunction method testWithInnerJoinWithTableOnRight.

@Test
public void testWithInnerJoinWithTableOnRight() {
    Map<String, String> props = new HashMap<>();
    SystemStream ss = new SystemStream("test", "nestedRecord");
    props.put(String.format(ConfigBasedAvroRelSchemaProviderFactory.CFG_SOURCE_SCHEMA, ss.getSystem(), ss.getStream()), SimpleRecord.SCHEMA$.toString());
    ConfigBasedAvroRelSchemaProviderFactory factory = new ConfigBasedAvroRelSchemaProviderFactory();
    AvroRelSchemaProvider schemaProvider = (AvroRelSchemaProvider) factory.create(ss, new MapConfig(props));
    AvroRelConverter relConverter = new AvroRelConverter(ss, schemaProvider, new MapConfig());
    SamzaRelTableKeyConverter relTableKeyConverter = new SampleRelTableKeyConverter();
    String remoteTableName = "testDb.testTable.$table";
    GenericData.Record tableRecord = new GenericData.Record(SimpleRecord.SCHEMA$);
    tableRecord.put("id", 1);
    tableRecord.put("name", "name1");
    SamzaSqlRelMessage streamMsg = new SamzaSqlRelMessage(streamFieldNames, streamFieldValues, new SamzaSqlRelMsgMetadata(0L, 0L));
    SamzaSqlRelMessage tableMsg = relConverter.convertToRelMessage(new KV(tableRecord.get("id"), tableRecord));
    JoinRelType joinRelType = JoinRelType.INNER;
    List<Integer> streamKeyIds = Arrays.asList(1);
    List<Integer> tableKeyIds = Arrays.asList(0);
    KV<Object, GenericRecord> record = KV.of(tableRecord.get("id"), tableRecord);
    JoinInputNode mockTableInputNode = mock(JoinInputNode.class);
    when(mockTableInputNode.getKeyIds()).thenReturn(tableKeyIds);
    when(mockTableInputNode.isPosOnRight()).thenReturn(true);
    when(mockTableInputNode.getFieldNames()).thenReturn(tableMsg.getSamzaSqlRelRecord().getFieldNames());
    when(mockTableInputNode.getSourceName()).thenReturn(remoteTableName);
    JoinInputNode mockStreamInputNode = mock(JoinInputNode.class);
    when(mockStreamInputNode.getKeyIds()).thenReturn(streamKeyIds);
    when(mockStreamInputNode.isPosOnRight()).thenReturn(false);
    when(mockStreamInputNode.getFieldNames()).thenReturn(streamFieldNames);
    SamzaSqlRemoteTableJoinFunction joinFn = new SamzaSqlRemoteTableJoinFunction(relConverter, relTableKeyConverter, mockStreamInputNode, mockTableInputNode, joinRelType, 0);
    SamzaSqlRelMessage outMsg = joinFn.apply(streamMsg, record);
    Assert.assertEquals(outMsg.getSamzaSqlRelRecord().getFieldValues().size(), outMsg.getSamzaSqlRelRecord().getFieldNames().size());
    List<String> expectedFieldNames = new ArrayList<>(streamFieldNames);
    expectedFieldNames.addAll(tableMsg.getSamzaSqlRelRecord().getFieldNames());
    List<Object> expectedFieldValues = new ArrayList<>(streamFieldValues);
    expectedFieldValues.addAll(tableMsg.getSamzaSqlRelRecord().getFieldValues());
    Assert.assertEquals(expectedFieldNames, outMsg.getSamzaSqlRelRecord().getFieldNames());
    Assert.assertEquals(expectedFieldValues, outMsg.getSamzaSqlRelRecord().getFieldValues());
}