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package mountain_pass_test
import (
"testing"
"time"
"github.com/jftuga/geodist"
"github.com/martinlehoux/biking_home/mountain_pass"
"github.com/martinlehoux/biking_home/ride"
"github.com/stretchr/testify/assert"
)
func TestDetectCrossingsFindsPass(t *testing.T) {
r := rideFromPoint(t, 43.62, 5.43, 447)
pass := mountain_pass.MountainPass{
Name: "Pas de Magnan", Elevation: 460,
Coord: &geodist.Coord{Lat: 43.62, Lon: 5.43},
}
crossings := mountain_pass.DetectCrossings(r, []mountain_pass.MountainPass{pass}, 100, 25)
assert.Len(t, crossings, 1)
assert.Equal(t, "Pas de Magnan", crossings[0].Pass.Name)
assert.Less(t, crossings[0].DistanceToM, 10.0)
assert.Less(t, crossings[0].ElevationDiff, 25.0)
}
func TestDetectCrossingsIgnoresDistantPass(t *testing.T) {
r := rideFromPoint(t, 43.62, 5.43, 447)
far := mountain_pass.MountainPass{
Name: "Col de la Faucille", Elevation: 1320,
Coord: &geodist.Coord{Lat: 46.37, Lon: 6.02},
}
assert.Empty(t, mountain_pass.DetectCrossings(r, []mountain_pass.MountainPass{far}, 100, 25))
}
func TestDetectCrossingsIgnoresPassWithoutCoordinates(t *testing.T) {
r := rideFromPoint(t, 43.62, 5.43, 447)
noCoord := mountain_pass.MountainPass{Name: "Col de la Gatasse", Elevation: 120}
assert.Empty(t, mountain_pass.DetectCrossings(r, []mountain_pass.MountainPass{noCoord}, 100, 25))
}
func TestDetectCrossingsRequiresElevationAgreement(t *testing.T) {
r := rideFromPoint(t, 43.62, 5.43, 447)
pass := mountain_pass.MountainPass{
Name: "Pas de Magnan", Elevation: 900,
Coord: &geodist.Coord{Lat: 43.62, Lon: 5.43},
}
assert.Empty(t, mountain_pass.DetectCrossings(r, []mountain_pass.MountainPass{pass}, 100, 25))
}
func rideFromPoint(t *testing.T, latitude, longitude, elevation float64) ride.Ride {
t.Helper()
return ride.FromColumns(
[]float64{0, 1000},
[]float64{100, elevation},
[]geodist.Coord{{Lat: latitude - 0.01, Lon: longitude - 0.01}, {Lat: latitude, Lon: longitude}},
make([]time.Time, 2),
)
}
func TestMatchClimbFindsPassAtTop(t *testing.T) {
climb := climbFromColumns(
[]float64{0, 1000, 2000},
[]float64{300, 447, 380},
[]geodist.Coord{{Lat: 43.61, Lon: 5.42}, {Lat: 43.62, Lon: 5.43}, {Lat: 43.63, Lon: 5.44}},
)
pass := mountain_pass.MountainPass{
Name: "Pas de Magnan", Elevation: 440,
Coord: &geodist.Coord{Lat: 43.62, Lon: 5.43},
}
matched, found := mountain_pass.MatchClimb(climb, []mountain_pass.MountainPass{pass}, 100, 25)
assert.True(t, found)
assert.Equal(t, "Pas de Magnan", matched.Name)
}
func TestMatchClimbRequiresElevationAgreement(t *testing.T) {
climb := climbFromColumns(
[]float64{0, 1000, 2000},
[]float64{300, 447, 380},
[]geodist.Coord{{Lat: 43.61, Lon: 5.42}, {Lat: 43.62, Lon: 5.43}, {Lat: 43.63, Lon: 5.44}},
)
pass := mountain_pass.MountainPass{
Name: "Pas de Magnan", Elevation: 900,
Coord: &geodist.Coord{Lat: 43.62, Lon: 5.43},
}
_, found := mountain_pass.MatchClimb(climb, []mountain_pass.MountainPass{pass}, 100, 25)
assert.False(t, found)
}
func TestMatchClimbNearestOfTwo(t *testing.T) {
climb := climbFromColumns(
[]float64{0, 1000, 2000},
[]float64{300, 447, 380},
[]geodist.Coord{{Lat: 43.61, Lon: 5.42}, {Lat: 43.62, Lon: 5.43}, {Lat: 43.63, Lon: 5.44}},
)
near := mountain_pass.MountainPass{
Name: "Pas de Magnan", Elevation: 440,
Coord: &geodist.Coord{Lat: 43.62, Lon: 5.43},
}
far := mountain_pass.MountainPass{
Name: "Col lointain", Elevation: 440,
Coord: &geodist.Coord{Lat: 43.6201, Lon: 5.4301},
}
matched, found := mountain_pass.MatchClimb(climb, []mountain_pass.MountainPass{near, far}, 100, 25)
assert.True(t, found)
assert.Equal(t, "Pas de Magnan", matched.Name)
}
func climbFromColumns(distances, elevations []float64, coords []geodist.Coord) ride.Climb {
ride := ride.FromColumns(distances, elevations, coords, make([]time.Time, len(distances)))
return ride.ClimbFromDist(0, 2000)
}
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