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