DbLoadMergerTest.java 文件源码

/**
 * 测试在主键发生变化后的merge操作，Insert/Update/Update/Update/Update
 */
@Test
public void testMergeWithUpdateKeyOfIUUUU() {
    Map<RowKey, EventData> mergeMap = new MapMaker().makeMap();
    DbLoadMerger.merge(makeInsertEventData(), mergeMap);
    DbLoadMerger.merge(makeUpdateEventData(KEY_VALUE, KEY_VALUE_NEW1), mergeMap);
    DbLoadMerger.merge(makeUpdateEventData(KEY_VALUE_NEW1, KEY_VALUE_NEW2), mergeMap);
    DbLoadMerger.merge(makeUpdateEventData(KEY_VALUE_NEW2, KEY_VALUE_NEW3), mergeMap);
    DbLoadMerger.merge(makeUpdateEventData(KEY_VALUE_NEW3, KEY_VALUE_NEW4), mergeMap);

    for (Entry<RowKey, EventData> entry : mergeMap.entrySet()) {
        RowKey key = entry.getKey();
        EventColumn keyColumn = key.getKeys().get(0);
        Assert.assertEquals(KEY_VALUE_NEW4, keyColumn.getColumnValue());
        Assert.assertEquals(KEY_NAME, keyColumn.getColumnName());

        EventData eventData = entry.getValue();
        Assert.assertEquals(SCHEMA_NAME, eventData.getSchemaName());
        Assert.assertEquals(TABLE_NAME, eventData.getTableName());
        Assert.assertEquals(TABLE_ID, eventData.getTableId());
        Assert.assertEquals(EventType.INSERT, eventData.getEventType());
        Assert.assertEquals(eventData.getOldKeys().size(), 0); // 不存在oldKeys
    }
}