public void RunJobTwoMapsAndReduce()
{
MapReduceJob<int, string, string, int, string, int> job = new MapReduceJob<int, string, string, int, string, int>(Map, Reduce);
var items1 = new string[] { "a", "word", "is" };
var pairs1 = items1.Select((item, k) => new Pair<int, string>() { Key = k, Value = item });
var items2 = new string[] { "a", "word" };
var pairs2 = items2.Select((item, k) => new Pair<int, string>() { Key = k, Value = item });
job.Map(pairs1);
job.Map(pairs2);
var result = job.Reduce();
Assert.IsNotNull(result);
Assert.IsNotNull(result);
Assert.AreEqual(3, result.Count());
var pair1 = result.FirstOrDefault(p => p.Key == "word");
Assert.IsNotNull(pair1);
Assert.AreEqual(2, pair1.Value);
var pair2 = result.FirstOrDefault(p => p.Key == "a");
Assert.IsNotNull(pair2);
Assert.AreEqual(2, pair2.Value);
var pair3 = result.FirstOrDefault(p => p.Key == "is");
Assert.IsNotNull(pair3);
Assert.AreEqual(1, pair3.Value);
}
public void RunJobMapValueReduce()
{
MapReduceJob<int, string, string, int, string, int> job = new MapReduceJob<int, string, string, int, string, int>(Map, Reduce);
var items = new string[] { "a", "word", "is", "a", "word" };
foreach (var item in items)
job.MapValue(item);
var result = job.Reduce();
Assert.IsNotNull(result);
Assert.AreEqual(3, result.Count());
var pair1 = result.FirstOrDefault(p => p.Key == "word");
Assert.IsNotNull(pair1);
Assert.AreEqual(2, pair1.Value);
var pair2 = result.FirstOrDefault(p => p.Key == "a");
Assert.IsNotNull(pair2);
Assert.AreEqual(2, pair2.Value);
var pair3 = result.FirstOrDefault(p => p.Key == "is");
Assert.IsNotNull(pair3);
Assert.AreEqual(1, pair3.Value);
}