Testing the drone_simulation

drone_test.go

package main 

import (
	"testing"
	"fmt"
)

func getDrone() *Drone {
	d := &Drone{}
	d.CurrentPosition = GPSCoord{3, 3}
	d.Destinations = make([]GPSCoord, 1)
	d.Destinations[0] = GPSCoord{9, 5}
	d.NextDestination = 0
	d.Speed = 5
	d.Name = "drone-1"

	return d
}

func getTravellingBackwardsDrone() *Drone {
	d := &Drone{}
	d.CurrentPosition = GPSCoord{9, 5}
	d.Destinations = make([]GPSCoord, 1)
	d.Destinations[0] = GPSCoord{3, 3}
	d.NextDestination = 0
	d.Speed = 5
	d.Name = "drone-1"

	return d
}

func getFarTravellingDrone() *Drone {
	d := &Drone{}
	d.CurrentPosition = GPSCoord{3, 3}
	d.Destinations = make([]GPSCoord, 1)
	d.Destinations[0] = GPSCoord{220, 190}
	d.NextDestination = 0
	d.Speed = 5
	d.Name = "drone-2"

	return d
}

// TestPrint is the first test
func TestPrint(t *testing.T) {
	d := getDrone()
	d.Name = "d-1"

	if d.Name != "d-1" {
		t.Error("Got wrong name", d.Name)
	}	
	
}
//TestLocationOnAxis whether my Trigonometry is accurate
func TestLocationOnAxis(t *testing.T) {
	d := getDrone()
	g := d.getPositionTowardsDestination()

	if g.Lat != 4.743416490252569 || g.Lon != 1.5811388300841895 {
		t.Error("Values different from expectation: ", g)
	}
}

func TestUpdatePosition(t *testing.T) {
	d := getDrone()
	d.UpdatePositionTowardsDestination()

	if d.CurrentPosition.Lat != 7.743416490252569 || d.CurrentPosition.Lon != 4.5811388300841895 {
		t.Error("Values different from expectation: ", d.CurrentPosition)
	}
}

func TestArriveAtDestination(t *testing.T) {
	d := getDrone()
	d.UpdatePositionTowardsDestination()
	d.UpdatePositionTowardsDestination()

	if d.CurrentPosition.Lat != 9 || d.CurrentPosition.Lon != 5 {
		t.Error("Values different from expectation: ", d.CurrentPosition)
	}
}

func TestBackwardsArriveAtDestination(t *testing.T) {
	d := getTravellingBackwardsDrone()
	d.UpdatePositionTowardsDestination()
	d.UpdatePositionTowardsDestination()

	if d.CurrentPosition.Lat != 3 || d.CurrentPosition.Lon != 3 {
		t.Error("Values different from expectation: ", d.CurrentPosition)
	}
} 

func TestArriveTravelFar(t *testing.T) {
	d := getFarTravellingDrone()
	for i := 0; i < 58; i++ {
		d.UpdatePositionTowardsDestination()
		fmt.Println("Current Pos: ", d.CurrentPosition)	
	}
	
	if d.CurrentPosition.Lat != 220 || d.CurrentPosition.Lon != 190 {
		t.Error("Values different from expectation: ", d.CurrentPosition)
	}
}