/** * * test DBRecordReader. This reader should creates keys, values, know about position.. */ @SuppressWarnings("unchecked") @Test (timeout = 5000) public void testDBRecordReader() throws Exception { JobConf job = mock(JobConf.class); DBConfiguration dbConfig = mock(DBConfiguration.class); String[] fields = { "field1", "filed2" }; @SuppressWarnings("rawtypes") DBRecordReader reader = new DBInputFormat<NullDBWritable>().new DBRecordReader( new DBInputSplit(), NullDBWritable.class, job, DriverForTest.getConnection(), dbConfig, "condition", fields, "table"); LongWritable key = reader.createKey(); assertEquals(0, key.get()); DBWritable value = reader.createValue(); assertEquals( "org.apache.hadoop.mapred.lib.db.DBInputFormat$NullDBWritable", value .getClass().getName()); assertEquals(0, reader.getPos()); assertFalse(reader.next(key, value)); }
private void setupDriver(JobConf configuration) throws Exception { configuration.set(DBConfiguration.URL_PROPERTY, "testUrl"); DriverManager.registerDriver(new DriverForTest()); configuration.set(DBConfiguration.DRIVER_CLASS_PROPERTY, DriverForTest.class.getCanonicalName()); }