Ilia Denisov
68 lines
1.8 KiB
Go
68 lines
1.8 KiB
Go
package battle_test
|
|
|
|
import (
|
|
"testing"
|
|
|
|
"github.com/iliadenisov/galaxy/internal/game/battle"
|
|
"github.com/iliadenisov/galaxy/internal/model/game"
|
|
"github.com/stretchr/testify/assert"
|
|
)
|
|
|
|
var (
|
|
attacker = game.ShipType{
|
|
ShipTypeReport: game.ShipTypeReport{
|
|
Name: "Attacker",
|
|
Drive: 8,
|
|
Armament: 1,
|
|
Weapons: 8,
|
|
Shields: 8,
|
|
Cargo: 0,
|
|
},
|
|
}
|
|
defender = game.ShipType{
|
|
ShipTypeReport: game.ShipTypeReport{
|
|
Name: "Defender",
|
|
Drive: 1,
|
|
Armament: 1,
|
|
Weapons: 1,
|
|
Shields: 1,
|
|
Cargo: 0,
|
|
},
|
|
}
|
|
ship = game.ShipType{
|
|
ShipTypeReport: game.ShipTypeReport{
|
|
Name: "Ship",
|
|
Drive: 10,
|
|
Armament: 1,
|
|
Weapons: 10,
|
|
Shields: 10,
|
|
Cargo: 0,
|
|
},
|
|
}
|
|
)
|
|
|
|
func TestDestructionProbability(t *testing.T) {
|
|
probability := battle.DestructionProbability(ship.Weapons, 1, ship.Shields, 1, ship.EmptyMass())
|
|
assert.Equal(t, .5, probability)
|
|
|
|
undefeatedShip := ship
|
|
undefeatedShip.Shields = 55
|
|
probability = battle.DestructionProbability(ship.Weapons, 1, undefeatedShip.Shields, 1, undefeatedShip.EmptyMass())
|
|
assert.LessOrEqual(t, probability, 0.)
|
|
|
|
disruptiveShip := ship
|
|
disruptiveShip.Weapons = 40
|
|
probability = battle.DestructionProbability(disruptiveShip.Weapons, 1, ship.Shields, 1, ship.EmptyMass())
|
|
assert.GreaterOrEqual(t, probability, 1.)
|
|
}
|
|
|
|
func TestEffectiveDefence(t *testing.T) {
|
|
assert.Equal(t, 10., battle.EffectiveDefence(ship.Shields, 1, ship.EmptyMass()))
|
|
|
|
attackerEffectiveDefence := battle.EffectiveDefence(attacker.Shields, 1, attacker.EmptyMass())
|
|
defenderEffectiveDefence := battle.EffectiveDefence(defender.Shields, 1, defender.EmptyMass())
|
|
|
|
// attacker's effective shields must be 'just' 4 times greater than defender's
|
|
assert.InDelta(t, defenderEffectiveDefence*4, attackerEffectiveDefence, 0)
|
|
}
|