saving new turn

pkg/model/game/ship_test.go

@@ -0,0 +1,92 @@
+package game_test
+
+import (
+	"testing"
+
+	"github.com/iliadenisov/galaxy/pkg/model/game"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestShipType(t *testing.T) {
+	Gunship := game.ShipType{
+		Drive:    4,
+		Armament: 2,
+		Weapons:  2,
+		Shields:  4,
+		Cargo:    0,
+	}
+	assert.Equal(t, Gunship.EmptyMass(), 11.)
+
+	Cruiser := game.ShipType{
+		Drive:    15,
+		Armament: 1,
+		Weapons:  15,
+		Shields:  15,
+		Cargo:    0,
+	}
+	assert.Equal(t, Cruiser.EmptyMass(), 45.)
+
+	sg := game.ShipGroup{
+		Type:    Cruiser,
+		Number:  1,
+		State:   "In_Orbit",
+		Drive:   1.0,
+		Weapons: 1.0,
+		Shields: 1.0,
+		Cargo:   1.0,
+	}
+	upgradeCost := sg.UpgradeDriveCost(2.0) +
+		sg.UpgradeWeaponsCost(2.0) +
+		sg.UpgradeShieldsCost(2.0) +
+		sg.UpgradeCargoCost(2.0)
+	assert.Equal(t, upgradeCost, 225.)
+}
+
+func TestCargoCapacity(t *testing.T) {
+	test := func(cargoSize float64, expectCapacity float64) {
+		ship := game.ShipType{
+			Drive:    1,
+			Armament: 1,
+			Weapons:  1,
+			Shields:  1,
+			Cargo:    cargoSize,
+		}
+		sg := game.ShipGroup{
+			Type:    ship,
+			Number:  1,
+			State:   "In_Orbit",
+			Drive:   1.0,
+			Weapons: 1.0,
+			Shields: 1.0,
+			Cargo:   1.0,
+		}
+		assert.Equal(t, expectCapacity, sg.CargoCapacity())
+	}
+	test(1, 1.05)
+	test(5, 6.25)
+	test(10, 15)
+	test(50, 175)
+	test(100, 600)
+}
+
+func TestBombingPower(t *testing.T) {
+	Gunship := game.ShipType{
+		Drive:    60.0,
+		Armament: 3,
+		Weapons:  30.0,
+		Shields:  100.0,
+		Cargo:    0.0,
+	}
+	sg := game.ShipGroup{
+		Type:    Gunship,
+		Number:  1,
+		State:   "In_Orbit",
+		Drive:   1.0,
+		Weapons: 1.0,
+		Shields: 1.0,
+		Cargo:   1.0,
+	}
+	expectedBombingPower := 139.295
+	result := sg.BombingPower()
+	assert.Equal(t, expectedBombingPower, result)
+}