OptimizerPlanNodeResolver resolver = getOptimizerPlanNodeResolver(op);
// get the original nodes
SourcePlanNode sourceNode = resolver.getNode("source");
SingleInputPlanNode reduceNode = resolver.getNode("reducer");
SinkPlanNode sinkNode = resolver.getNode("sink");
// check wiring
assertEquals(sourceNode, reduceNode.getInput().getSource());
assertEquals(reduceNode, sinkNode.getInput().getSource());
// check that both reduce and combiner have the same strategy
assertEquals(DriverStrategy.SORTED_GROUP_REDUCE, reduceNode.getDriverStrategy());
// check the keys
assertEquals(new FieldList(1), reduceNode.getKeys(0));
assertEquals(new FieldList(1), reduceNode.getInput().getLocalStrategyKeys());
// check DOP
assertEquals(6, sourceNode.getDegreeOfParallelism());
assertEquals(8, reduceNode.getDegreeOfParallelism());
assertEquals(8, sinkNode.getDegreeOfParallelism());
}
catch (Exception e) {
System.err.println(e.getMessage());
e.printStackTrace();
fail(e.getClass().getSimpleName() + " in test: " + e.getMessage());