photoprism/pkg/clusters/kmeans_estimator_test.go

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package clusters
import (
"testing"
)
func TestKmeansEstimator(t *testing.T) {
const (
C = 10
E = 1
)
var (
f = "data/bus-stops.csv"
i = CsvImporter()
)
d, e := i.Import(f, 4, 5)
if e != nil {
t.Errorf("Error importing data: %s\n", e.Error())
}
c, e := KMeansEstimator(1000, C, EuclideanDist)
if e != nil {
t.Errorf("Error initializing kmeans clusterer: %s\n", e.Error())
}
r, e := c.Estimate(d)
if e != nil {
t.Errorf("Error running test: %s\n", e.Error())
}
if r != E {
t.Errorf("Estimated number of clusters should be %d, it s %d\n", E, r)
}
}