public virtual void TestReadNodesFromConfig()
{
StaticMapping mapping = NewInstance();
Configuration conf = new Configuration();
conf.Set(StaticMapping.KeyHadoopConfiguredNodeMapping, "n1=/r1,n2=/r2");
mapping.SetConf(conf);
//even though we have inserted elements into the list, because
//it is driven by the script key in the configuration, it still
//thinks that it is single rack
AssertSingleSwitch(mapping);
IList <string> l1 = new AList <string>(3);
l1.AddItem("n1");
l1.AddItem("unknown");
l1.AddItem("n2");
IList <string> resolved = mapping.Resolve(l1);
Assert.Equal(3, resolved.Count);
Assert.Equal("/r1", resolved[0]);
Assert.Equal(NetworkTopology.DefaultRack, resolved[1]);
Assert.Equal("/r2", resolved[2]);
IDictionary <string, string> switchMap = mapping.GetSwitchMap();
string topology = mapping.DumpTopology();
Log.Info(topology);
Assert.Equal(topology, 2, switchMap.Count);
Assert.Equal(topology, "/r1", switchMap["n1"]);
NUnit.Framework.Assert.IsNull(topology, switchMap["unknown"]);
}
public virtual void TestAddResolveNodes()
{
StaticMapping mapping = NewInstance();
StaticMapping.AddNodeToRack("n1", "/r1");
IList <string> queryList = CreateQueryList();
IList <string> resolved = mapping.Resolve(queryList);
Assert.Equal(2, resolved.Count);
Assert.Equal("/r1", resolved[0]);
Assert.Equal(NetworkTopology.DefaultRack, resolved[1]);
// get the switch map and examine it
IDictionary <string, string> switchMap = mapping.GetSwitchMap();
string topology = mapping.DumpTopology();
Log.Info(topology);
Assert.Equal(topology, 1, switchMap.Count);
Assert.Equal(topology, "/r1", switchMap["n1"]);
}