public static void verifyMapReduce(
SmartMapper mapper, SmartReducer reducer, Object key, Object input) throws Exception {
MapDriver mapDriver = new MapDriver();
mapDriver.setMapper(mapper);
MapReduceDriver mapReduceDriver = new MapReduceDriver();
mapReduceDriver.setMapper(mapper);
Object writableKey = createWritable(key, mapper.getKeyInType());
Object writableValue = createWritable(input, mapper.getValueInType());
mapDriver.withInput(writableKey, writableValue);
List results = mapDriver.run();
Collections.sort(results, PairComparer.INSTANCE);
mapReduceDriver =
new MapReduceDriver<LongWritable, Text, Text, LongWritable, Text, LongWritable>();
writableKey = createWritable(key, mapper.getKeyInType());
writableValue = createWritable(input, mapper.getValueInType());
mapReduceDriver.withInput(writableKey, writableValue);
mapReduceDriver.setMapper(mapper);
mapReduceDriver.setReducer(reducer);
List finalResults = mapReduceDriver.run();
String text =
String.format(
"[%s]\r\n\r\n -> maps via %s to -> \r\n\r\n%s\r\n\r\n -> reduces via %s to -> \r\n\r\n%s",
input,
mapper.getClass().getSimpleName(),
ArrayUtils.toString(results, Echo.INSTANCE),
reducer.getClass().getSimpleName(),
ArrayUtils.toString(finalResults, Echo.INSTANCE));
Approvals.verify(text);
}
public static void verifyMapping(SmartMapper mapper, Object key, Object input) throws Exception {
MapDriver mapDriver = new MapDriver();
mapDriver.setMapper(mapper);
Object writableKey = createWritable(key, mapper.getKeyInType());
Object writableValue = createWritable(input, mapper.getValueInType());
mapDriver.withInput(writableKey, writableValue);
List results = mapDriver.run();
Collections.sort(results, PairComparer.INSTANCE);
String header =
String.format(
"[%s]\r\n\r\n -> maps via %s to -> \r\n", input, mapper.getClass().getSimpleName());
Approvals.verifyAll(header, results, Echo.INSTANCE);
}
