81 lines
1.2 KiB
Go
81 lines
1.2 KiB
Go
package clusters
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import (
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"math"
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"testing"
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)
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const TOLERANCE = 0.000001
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func TestImportedLoadDataOfCorrectLengh(t *testing.T) {
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var (
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f = "data/test.csv"
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i = CsvImporter()
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s = 3
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)
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d, e := i.Import(f, 0, 2)
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if e != nil {
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t.Errorf("Error importing data: %s\n", e.Error())
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}
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if s != len(d) {
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t.Errorf("Imported data size mismatch: %d vs %d\n", s, len(d))
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}
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}
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func TestImportedLoadCorrectData(t *testing.T) {
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var (
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f = "data/test.csv"
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i = CsvImporter()
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s = [][]float64{
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{0.1, 0.2, 0.3},
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{0.4, 0.5, 0.6},
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{0.7, 0.8, 0.9},
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}
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)
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d, e := i.Import(f, 0, 2)
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if e != nil {
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t.Errorf("Error importing data: %s\n", e.Error())
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}
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if !fsliceEqual(d, s) {
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t.Errorf("Imported data mismatch: %v vs %v\n", d, s)
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}
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}
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func fsliceEqual(a, b [][]float64) bool {
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if len(a) != len(b) {
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return false
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}
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for i := 0; i < len(a); i++ {
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if len(a[i]) != len(b[i]) {
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return false
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}
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for j := 0; j < len(a[i]); j++ {
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if d := math.Abs(a[i][j] - b[i][j]); d > TOLERANCE {
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return false
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}
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}
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}
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return true
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}
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func BenchmarkImport(b *testing.B) {
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var (
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f = "data/bus-stops.csv"
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i = CsvImporter()
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)
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b.ResetTimer()
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_, e := i.Import(f, 4, 5)
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if e != nil {
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b.Errorf("Error importing data: %s\n", e.Error())
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}
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}
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