public PersonComparer()
{
personsComparer = new ListComparer <Person>(Equals);
}
/// <summary> /// Checks if given lists are equal. /// Lists are considered equal if they contain the same elements in the same order. /// </summary> /// <param name="sequence1">The first list.</param> /// <param name="sequence2">The second list.</param> /// <returns><see langword="true"/> if the lists are equal, <see langword="false"/> otherwise.</returns> public bool SequencesAreEqual(TList sequence1, TList sequence2) => ListComparer <TElement> .EqualLists(sequence1, sequence2);
public void GetModelTest()
{
var firstPoint = new Point {
PointId = 1, HorizontalDisplacement = 0, VerticalDisplacement = 0
};
var secondPoint = new Point {
PointId = 2, HorizontalDisplacement = 0, VerticalDisplacement = 2
};
var thirdPoint = new Point {
PointId = 3, HorizontalDisplacement = 3, VerticalDisplacement = 3
};
var firstModeledPoint = new ClusteredPoint
{
PointId = firstPoint.PointId,
HorizontalDisplacement = firstPoint.HorizontalDisplacement,
VerticalDisplacement = firstPoint.VerticalDisplacement,
ClusterSnapshots = new List <ClusterSnapshot>
{
new ClusterSnapshot
{
ClusterId = 1,
ClusterCount = 3
},
new ClusterSnapshot
{
ClusterId = 1,
ClusterCount = 2
},
new ClusterSnapshot
{
ClusterId = 1,
ClusterCount = 1
},
}
};
var secondModeledPoint = new ClusteredPoint
{
PointId = secondPoint.PointId,
HorizontalDisplacement = secondPoint.HorizontalDisplacement,
VerticalDisplacement = secondPoint.VerticalDisplacement,
ClusterSnapshots = new List <ClusterSnapshot>
{
new ClusterSnapshot
{
ClusterId = 2,
ClusterCount = 3
},
new ClusterSnapshot
{
ClusterId = 1,
ClusterCount = 2
},
new ClusterSnapshot
{
ClusterId = 1,
ClusterCount = 1
},
}
};
var thirdModeledPoint = new ClusteredPoint
{
PointId = thirdPoint.PointId,
HorizontalDisplacement = thirdPoint.HorizontalDisplacement,
VerticalDisplacement = thirdPoint.VerticalDisplacement,
ClusterSnapshots = new List <ClusterSnapshot>
{
new ClusterSnapshot
{
ClusterId = 3,
ClusterCount = 3
},
new ClusterSnapshot
{
ClusterId = 3,
ClusterCount = 2
},
new ClusterSnapshot
{
ClusterId = 1,
ClusterCount = 1
},
}
};
var modeledPoints = new AgglomerativeHierarchicalClusteringService(this._distanceService).GetModel(new List <Point>
{
firstPoint, secondPoint, thirdPoint
});
var expectedModeledPoints = new List <ClusteredPoint>
{
firstModeledPoint, secondModeledPoint, thirdModeledPoint
};
Assert.IsTrue(ListComparer.Compare(modeledPoints, expectedModeledPoints));
}
public void MergeClusterTest()
{
var firstCluster = new Cluster <ClusteredPoint>
{
ClusterId = 1,
Points = new List <ClusteredPoint>
{
new ClusteredPoint
{
PointId = 10,
HorizontalDisplacement = 1,
VerticalDisplacement = 2
}
}
};
var secondCluster = new Cluster <ClusteredPoint>
{
ClusterId = 2,
Points = new List <ClusteredPoint>
{
new ClusteredPoint
{
PointId = 20,
HorizontalDisplacement = 3,
VerticalDisplacement = 4
}
}
};
var thirdCluster = new Cluster <ClusteredPoint>
{
ClusterId = 3,
Points = new List <ClusteredPoint>
{
new ClusteredPoint
{
PointId = 30,
HorizontalDisplacement = 5,
VerticalDisplacement = 6
}
}
};
var clusters = new List <Cluster <ClusteredPoint> >
{
firstCluster, secondCluster, thirdCluster
};
var mergedClusters = AgglomerativeHierarchicalClusteringService
.MergeClusters <Cluster <ClusteredPoint>, ClusteredPoint>(clusters,
secondCluster, thirdCluster)
.ToList();
var expectedMergedClusters = new List <Cluster <ClusteredPoint> >
{
new Cluster <ClusteredPoint>
{
ClusterId = 1,
Points = new List <ClusteredPoint>
{
new ClusteredPoint
{
PointId = 10,
HorizontalDisplacement = 1,
VerticalDisplacement = 2
}
}
},
new Cluster <ClusteredPoint>
{
ClusterId = 2,
Points = new List <ClusteredPoint>
{
new ClusteredPoint
{
PointId = 20,
HorizontalDisplacement = 3,
VerticalDisplacement = 4
},
new ClusteredPoint
{
PointId = 30,
HorizontalDisplacement = 5,
VerticalDisplacement = 6
}
}
}
};
Assert.IsTrue(ListComparer.Compare(mergedClusters, expectedMergedClusters));
}
public void RecordClustersTest()
{
var firstPoint = new ClusteredPoint
{
PointId = 1,
HorizontalDisplacement = 2,
VerticalDisplacement = 3,
ClusterSnapshots = new List <ClusterSnapshot>
{
new ClusterSnapshot
{
ClusterCount = 2,
ClusterId = 1
}
}
};
var secondPoint = new ClusteredPoint
{
PointId = 2,
HorizontalDisplacement = 4,
VerticalDisplacement = 5,
ClusterSnapshots = new List <ClusterSnapshot>
{
new ClusterSnapshot
{
ClusterCount = 3,
ClusterId = 2
}
}
};
var thirdPoint = new ClusteredPoint
{
PointId = 3,
HorizontalDisplacement = 6,
VerticalDisplacement = 7,
ClusterSnapshots = new List <ClusterSnapshot>
{
new ClusterSnapshot
{
ClusterCount = 4,
ClusterId = 1
}
}
};
var clusters = new List <Cluster <ClusteredPoint> >
{
new Cluster <ClusteredPoint>
{
ClusterId = 1,
Points = new List <ClusteredPoint>
{
firstPoint, secondPoint
}
},
new Cluster <ClusteredPoint>
{
ClusterId = 2,
Points = new List <ClusteredPoint>
{
thirdPoint
}
}
};
var actualRecordedClusters = AgglomerativeHierarchicalClusteringService.RecordClusters(clusters);
var recordedFirstPoint = firstPoint.GetShallowCopy();
var recordedSecondPoint = secondPoint.GetShallowCopy();
var recordedThirdPoint = thirdPoint.GetShallowCopy();
recordedFirstPoint.ClusterSnapshots.Append(new ClusterSnapshot
{
ClusterId = 1,
ClusterCount = 3
});
recordedSecondPoint.ClusterSnapshots.Append(new ClusterSnapshot
{
ClusterId = 2,
ClusterCount = 3
});
recordedThirdPoint.ClusterSnapshots.Append(new ClusterSnapshot
{
ClusterId = 2,
ClusterCount = 3
});
var expectedRecordedClusters = new List <Cluster <ClusteredPoint> >
{
new Cluster <ClusteredPoint>
{
ClusterId = 1,
Points = new List <ClusteredPoint>
{
recordedFirstPoint, recordedSecondPoint
}
},
new Cluster <ClusteredPoint>
{
ClusterId = 2,
Points = new List <ClusteredPoint>
{
recordedThirdPoint
}
}
};
Assert.IsTrue(ListComparer.Compare(actualRecordedClusters, expectedRecordedClusters));
}