Package com.basho.riak.client.api.commands.mapreduce

Source Code of com.basho.riak.client.api.commands.mapreduce.MapReduceSpecSerializerTest

package com.basho.riak.client.api.commands.mapreduce;

import com.basho.riak.client.api.commands.mapreduce.MapPhase;
import com.basho.riak.client.api.commands.mapreduce.BucketInput;
import com.basho.riak.client.api.commands.mapreduce.IndexInputSerializer;
import com.basho.riak.client.api.commands.mapreduce.PhaseFunctionSerializer;
import com.basho.riak.client.api.commands.mapreduce.FunctionPhase;
import com.basho.riak.client.api.commands.mapreduce.LinkPhaseSerializer;
import com.basho.riak.client.api.commands.mapreduce.IndexInput;
import com.basho.riak.client.api.commands.mapreduce.FunctionPhaseSerializer;
import com.basho.riak.client.api.commands.mapreduce.MapReducePhase;
import com.basho.riak.client.api.commands.mapreduce.BucketKeyInputSerializer;
import com.basho.riak.client.api.commands.mapreduce.SearchInputSerializer;
import com.basho.riak.client.api.commands.mapreduce.ReducePhase;
import com.basho.riak.client.api.commands.mapreduce.BucketKeyInput;
import com.basho.riak.client.api.commands.mapreduce.PhaseFunction;
import com.basho.riak.client.api.commands.mapreduce.MapReduceSpec;
import com.basho.riak.client.api.commands.mapreduce.LinkPhase;
import com.basho.riak.client.api.commands.mapreduce.SearchInput;
import com.basho.riak.client.api.commands.mapreduce.BucketInputSerializer;
import com.basho.riak.client.core.query.Location;
import com.basho.riak.client.core.query.Namespace;
import com.basho.riak.client.api.commands.mapreduce.filters.KeyFilter;
import com.basho.riak.client.core.query.functions.Function;
import com.fasterxml.jackson.core.JsonFactory;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.Version;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.module.SimpleModule;
import junit.framework.Assert;
import org.junit.Before;
import org.junit.Test;

import java.io.IOException;
import java.io.StringWriter;
import java.util.ArrayList;
import java.util.Collections;

public class MapReduceSpecSerializerTest
{

  private StringWriter out;
  private JsonGenerator jg;

  @Before
  public void init() throws IOException
  {
    this.out = new StringWriter();
    this.jg = new JsonFactory().createGenerator(out);

    ObjectMapper objectMapper = new ObjectMapper();
    SimpleModule specModule = new SimpleModule("SpecModule", Version.unknownVersion());
    specModule.addSerializer(PhaseFunction.class, new PhaseFunctionSerializer());
    specModule.addSerializer(LinkPhase.class, new LinkPhaseSerializer());
    specModule.addSerializer(FunctionPhase.class, new FunctionPhaseSerializer());
    specModule.addSerializer(BucketInput.class, new BucketInputSerializer());
    specModule.addSerializer(SearchInput.class, new SearchInputSerializer());
    specModule.addSerializer(BucketKeyInput.class, new BucketKeyInputSerializer());
    specModule.addSerializer(IndexInput.class, new IndexInputSerializer());
    objectMapper.registerModule(specModule);

    jg.setCodec(objectMapper);

  }


  @Test
  public void testSerializeMapReduceSpec() throws IOException
  {

    ArrayList<MapReducePhase> phases = new ArrayList<MapReducePhase>();
    phases.add(new MapPhase(Function.newNamedJsFunction("map_func")));
    phases.add(new ReducePhase(Function.newNamedJsFunction("reduce_func")));
    phases.add(new LinkPhase("bucket", "tag"));
    BucketInput input = new BucketInput(new Namespace("bucket"), Collections.<KeyFilter>emptyList());

    MapReduceSpec spec = new MapReduceSpec(input, phases, 1000L);

    jg.writeObject(spec);
       
    Assert.assertEquals("{\"inputs\":\"bucket\"," +
        "\"timeout\":1000,\"query\":" +
        "[{\"map\":{\"language\":\"javascript\",\"name\":\"map_func\",\"keep\":false,\"arg\":null}}," +
        "{\"reduce\":{\"language\":\"javascript\",\"name\":\"reduce_func\",\"keep\":false,\"arg\":null}}," +
        "{\"link\":{\"bucket\":\"bucket\",\"tag\":\"tag\"}}]}", out.toString());

  }

}
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