feat: add test for mob aggro

1 files changed, 86 insertions, 0 deletions

diff --git a/internal/game/sys_combat_test.go b/internal/game/sys_combat_test.go
new file mode 100644
index 0000000..788e62c
--- /dev/null
+++ b/internal/game/sys_combat_test.go
@@ -0,0 +1,86 @@
+package game
+
+import (
+	"testing"
+
+	"thehouseoficarus/internal/behavior"
+	"thehouseoficarus/internal/player"
+	"thehouseoficarus/internal/world"
+)
+
+func spawnTestMob(g *Game, defID string, roomID int) *world.MobInstance {
+	def, err := g.MobStore.LoadDef(defID)
+	if err != nil {
+		panic("spawnTestMob: " + err.Error())
+	}
+	cfg := &behavior.SpawnMobConfig{ID: defID}
+	return g.MobStore.SpawnTransient(def, cfg, roomID, "")
+}
+
+func patchAggroRand(val float64) func() {
+	orig := rollAggroRand
+	rollAggroRand = func() float64 { return val }
+	return func() { rollAggroRand = orig }
+}
+
+func TestAggroInlineRollFiresOnArrival(t *testing.T) {
+	defer patchAggroRand(0.0)()
+
+	g := escapeTestGame()
+	spawnTestMob(g, "skeleton", 100)
+	p := player.New("agro_fire")
+	p.RoomID = 100
+	sess := escapeTestSession(p)
+
+	g.checkAggro(sess)
+
+	if g.Combat.Get(p.Name) == nil {
+		t.Error("aggro should have started combat on inline roll")
+	}
+}
+
+func TestAggroPerTickRetrySubscriber(t *testing.T) {
+	t.Run("miss_then_retry_fires", func(t *testing.T) {
+		defer patchAggroRand(0.5)()
+
+		g := escapeTestGame()
+		spawnTestMob(g, "skeleton", 200)
+		p := player.New("agro_retry")
+		p.RoomID = 200
+		sess := escapeTestSession(p)
+
+		g.checkAggro(sess)
+
+		if g.Combat.Get(p.Name) != nil {
+			t.Fatal("inline roll should have missed (val=0.5)")
+		}
+
+		rollAggroRand = func() float64 { return 0.0 }
+		g.Ticks.Tick()
+
+		if g.Combat.Get(p.Name) == nil {
+			t.Error("per-tick retry subscriber should have started combat")
+		}
+	})
+
+	t.Run("miss_then_ineligible_unsubscribes", func(t *testing.T) {
+		defer patchAggroRand(0.5)()
+
+		g := escapeTestGame()
+		spawnTestMob(g, "skeleton", 300)
+		p := player.New("agro_leave")
+		p.RoomID = 300
+		sess := escapeTestSession(p)
+
+		g.checkAggro(sess)
+
+		if g.Combat.Get(p.Name) != nil {
+			t.Fatal("inline roll should have missed (val=0.5)")
+		}
+		p.RoomID = 999
+		g.Ticks.Tick()
+		if g.Combat.Get(p.Name) != nil {
+			t.Error("retry should have self-unsubscribed, no combat started")
+		}
+	})
+}