Files
photoprism/pkg/geo/dist_test.go
2024-09-15 13:52:31 +02:00

93 lines
2.7 KiB
Go

package geo
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestDeg(t *testing.T) {
t.Run("Lat0", func(t *testing.T) {
dLat, dLng := Deg(0.0, 11.1)
t.Logf("dLat: %f, dLng: %f", dLat, dLng)
assert.InEpsilon(t, 0.000100, dLat, 0.01)
assert.InEpsilon(t, 0.000100, dLng, 0.01)
})
t.Run("Lat23", func(t *testing.T) {
dLat, dLng := Deg(23.0, 11.1)
t.Logf("dLat: %f, dLng: %f", dLat, dLng)
assert.InEpsilon(t, 0.000100, dLat, 0.01)
assert.InEpsilon(t, 0.000108, dLng, 0.01)
})
t.Run("Lat45", func(t *testing.T) {
dLat, dLng := Deg(45.0, 11.1)
t.Logf("dLat: %f, dLng: %f", dLat, dLng)
assert.InEpsilon(t, 0.000100, dLat, 0.01)
assert.InEpsilon(t, 0.000141, dLng, 0.01)
})
t.Run("Lat67", func(t *testing.T) {
dLat, dLng := Deg(67.0, 11.1)
t.Logf("dLat: %f, dLng: %f", dLat, dLng)
assert.InEpsilon(t, 0.000100, dLat, 0.01)
assert.InEpsilon(t, 0.000255, dLng, 0.01)
})
t.Run("ZeroMeters", func(t *testing.T) {
dLat, dLng := Deg(50.0, 0.0)
t.Logf("dLat: %f, dLng: %f", dLat, dLng)
assert.Equal(t, 0.0, dLat)
assert.Equal(t, 0.0, dLng)
})
t.Run("LatOutOfRange", func(t *testing.T) {
dLat, dLng := Deg(123.0, 11.1)
t.Logf("dLat: %f, dLng: %f", dLat, dLng)
assert.InEpsilon(t, 0.000100, dLat, 0.01)
assert.InEpsilon(t, 0.057195, dLng, 0.01)
dLat, dLng = Deg(-600.0, 11.1)
t.Logf("dLat: %f, dLng: %f", dLat, dLng)
assert.InEpsilon(t, 0.000100, dLat, 0.01)
assert.InEpsilon(t, 0.057195, dLng, 0.01)
dLat, dLng = Deg(-600.0, 11.1)
t.Logf("dLat: %f, dLng: %f", dLat, dLng)
assert.InEpsilon(t, 0.000100, dLat, 0.01)
assert.InEpsilon(t, 0.057195, dLng, 0.01)
})
}
func TestDegKm(t *testing.T) {
t.Run("Lat0", func(t *testing.T) {
dLat, dLng := DegKm(0.0, 0.0111)
t.Logf("dLat: %f, dLng: %f", dLat, dLng)
assert.InEpsilon(t, 0.000100, dLat, 0.01)
assert.InEpsilon(t, 0.000100, dLng, 0.01)
})
t.Run("Lat23", func(t *testing.T) {
dLat, dLng := DegKm(23.0, 0.0111)
t.Logf("dLat: %f, dLng: %f", dLat, dLng)
assert.InEpsilon(t, 0.000100, dLat, 0.01)
assert.InEpsilon(t, 0.000108, dLng, 0.01)
})
t.Run("Lat45", func(t *testing.T) {
dLat, dLng := DegKm(45.0, 0.0111)
t.Logf("dLat: %f, dLng: %f", dLat, dLng)
assert.InEpsilon(t, 0.000100, dLat, 0.01)
assert.InEpsilon(t, 0.000141, dLng, 0.01)
})
t.Run("Lat67", func(t *testing.T) {
dLat, dLng := DegKm(67.0, 0.0111)
t.Logf("dLat: %f, dLng: %f", dLat, dLng)
assert.InEpsilon(t, 0.000100, dLat, 0.01)
assert.InEpsilon(t, 0.000255, dLng, 0.01)
})
}
func TestKm(t *testing.T) {
t.Run("BerlinShanghai", func(t *testing.T) {
berlin := Position{Name: "Berlin", Lat: 52.5243700, Lng: 13.4105300}
shanghai := Position{Name: "Shanghai", Lat: 31.2222200, Lng: 121.4580600}
result := Km(berlin, shanghai)
assert.Equal(t, 8396, int(result))
})
}