public void AddFeatureOverflowTest()
{
Feature testFeature = new DoubleFeature(new AbsoluteDistance(), 4.0);
Feature testFeature2 = new DoubleFeature(new AbsoluteDistance(), 3.0);
Observation testObservation = new Observation(1);
testObservation.AddFeature(testFeature);
testObservation.AddFeature(testFeature2);
}
public void ReCalculateCentroidTest()
{
// not really testable code ####consider redefining ReCalculate centroid
Cluster testCluster = new Cluster();
Feature testFeature = new DoubleFeature(new AbsoluteDistance(), 4.0);
Feature testFeature1 = new DoubleFeature(new AbsoluteDistance(), 5.0);
Feature testFeature2 = new DoubleFeature(new AbsoluteDistance(), 15.0);
Feature testFeature3 = new DoubleFeature(new AbsoluteDistance(), 25.0);
Feature testFeature4 = new DoubleFeature(new AbsoluteDistance(), 7.0);
Feature testFeature5 = new DoubleFeature(new AbsoluteDistance(), 8.0);
Feature testFeature6 = new DoubleFeature(new AbsoluteDistance(), 8.0);
Feature testFeature7 = new DoubleFeature(new AbsoluteDistance(), 10.0);
Observation testObservation = new Observation(2);
Observation testObservation1 = new Observation(2);
Observation testObservation2 = new Observation(2);
Observation initialCentroid = new Observation(2);
initialCentroid.AddFeature(testFeature);
initialCentroid.AddFeature(testFeature1);
testCluster.ClusterCentroid = initialCentroid;
testObservation.AddFeature(testFeature2);
testObservation.AddFeature(testFeature3);
testCluster.AddMember(testObservation);
testObservation1.AddFeature(testFeature4);
testObservation1.AddFeature(testFeature5);
testCluster.AddMember(testObservation1);
testObservation2.AddFeature(testFeature6);
testObservation2.AddFeature(testFeature7);
testCluster.AddMember(testObservation2);
//act
testCluster.ReCalculateCentroid();
//assert
Assert.AreEqual(10.0, testCluster.ClusterCentroid.GetFeature(0).FeatureValue);
Assert.AreSame(initialCentroid, testCluster.OldClusterCentroid);
}
public void AddFeatureTest()
{
Feature testingFeature = new DoubleFeature(new AbsoluteDistance(), 2.0);
Observation testingObs = new Observation(1);
testingObs.AddFeature(testingFeature);
Assert.AreEqual(testingObs.FeaturesCount, 1);
}
public void ReplaceFeatureTest()
{
Feature testingFeature = new DoubleFeature(new AbsoluteDistance(), 2.0);
Feature replacement = new DoubleFeature(new AbsoluteDistance(), 6.0);
Observation testingObs = new Observation(1);
testingObs.AddFeature(testingFeature);
testingObs.ReplaceFeature(0, replacement);
Assert.AreSame(replacement, testingObs.GetFeature(0));
Assert.AreEqual(6.0, testingObs.GetFeature(0).FeatureValue);
}
public void GetFeatureTest()
{
Feature testingFeature = new DoubleFeature(new AbsoluteDistance(), 2.0);
Observation testingObs = new Observation(1);
testingObs.AddFeature(testingFeature);
Feature returned = testingObs.GetFeature(0);
Assert.AreSame(returned, testingFeature);
}
public void AddMemberTest()
{
Cluster testCluster = new Cluster();
Feature testFeature = new DoubleFeature(new AbsoluteDistance(), 4.0);
Observation testObservation = new Observation(3);
testObservation.AddFeature(testFeature);
//act
testCluster.AddMember(testObservation);
//assert
Assert.AreEqual(testCluster.ClusterCount, 1);
}