1 files changed, 216 insertions, 0 deletions
diff --git a/internal/game/act_interaction_seq_test.go b/internal/game/act_interaction_seq_test.go
new file mode 100644
index 0000000..c3fc8fa
--- /dev/null
+++ b/internal/game/act_interaction_seq_test.go
@@ -0,0 +1,216 @@
+package game
+
+import (
+	"io"
+	"testing"
+
+	"thehouseoficarus/internal/behavior"
+	"thehouseoficarus/internal/combat"
+	"thehouseoficarus/internal/net"
+	"thehouseoficarus/internal/player"
+)
+
+type nopConn struct{}
+
+func (nopConn) ReadMessage() (string, error) { return "", io.EOF }
+func (nopConn) Write(p []byte) (int, error)  { return len(p), nil }
+func (nopConn) Close() error                 { return nil }
+func (nopConn) SetEcho(bool) error           { return nil }
+
+func newTestGame() *Game {
+	return &Game{
+		GlobalFlags:  NewGlobalFlagStore(),
+		Combat:       combat.NewTracker(),
+	}
+}
+
+func newTestGameWithStore(t *testing.T) *Game {
+	g := newTestGame()
+	g.AccountStore = player.NewAccountStore(t.TempDir())
+	return g
+}
+
+func newTestSession(p *player.Player, acc *player.Account) *net.Session {
+	if p.Options == nil {
+		p.Options = make(map[string]any)
+	}
+	return &net.Session{Player: p, Conn: nopConn{}, State: net.StateGame, Account: acc}
+}
+
+func newTestPlayer(name string) *player.Player {
+	return &player.Player{
+		Name:    name,
+		RoomID:  100,
+		Skills:  map[player.SkillName]int{player.Hitpoints: player.XPForLevel(99)},
+		HP:      50,
+		Options: make(map[string]any),
+	}
+}
+
+func TestRunInteractionNoMessagesAppliesInstantly(t *testing.T) {
+	g := newTestGameWithStore(t)
+	p := newTestPlayer("test")
+	sess := newTestSession(p, nil)
+
+	step := &behavior.StepAction{
+		NodeAction: behavior.NodeAction{Heal: 10},
+	}
+
+	g.runInteraction(sess, p, step, 100, scopePlayer, nil)
+
+	if p.Action != nil {
+		t.Error("expected no pending action for message-less interaction")
+	}
+	if p.HP != 60 {
+		t.Errorf("expected HP 60 after heal, got %d", p.HP)
+	}
+}
+
+func TestRunInteractionWithMessagesStartsSequence(t *testing.T) {
+	g := newTestGame()
+	p := newTestPlayer("test")
+	p.Credits = 100
+	sess := newTestSession(p, nil)
+
+	step := &behavior.StepAction{
+		NodeAction: behavior.NodeAction{Credits: 50},
+		Messages: []behavior.DelayedMessage{
+			{Message: "You feel a strange energy.", Delay: 3},
+		},
+	}
+
+	g.runInteraction(sess, p, step, 100, scopePlayer, nil)
+
+	if p.Action == nil {
+		t.Fatal("expected pending action for message-bearing interaction")
+	}
+	if p.Action.Type != behavior.TypeInteractionSeq {
+		t.Errorf("expected TypeInteractionSeq, got %v", p.Action.Type)
+	}
+	if p.Action.WaitLeft != 3 {
+		t.Errorf("expected WaitLeft 3, got %d", p.Action.WaitLeft)
+	}
+	if p.Credits != 100 {
+		t.Errorf("expected credits unchanged (100), got %d", p.Credits)
+	}
+}
+
+func TestAdvanceInteractionSeqDrainsZeroDelay(t *testing.T) {
+	g := newTestGameWithStore(t)
+	p := newTestPlayer("test")
+	sess := newTestSession(p, nil)
+
+	step := &behavior.StepAction{
+		NodeAction: behavior.NodeAction{Heal: 10},
+		Messages: []behavior.DelayedMessage{
+			{Message: "First.", Delay: 0},
+			{Message: "Second.", Delay: 0},
+			{Message: "Third.", Delay: 0},
+		},
+	}
+
+	g.startInteractionSeq(sess, p, step, 100, scopePlayer, nil)
+
+	if p.Action == nil || p.Action.WaitLeft != 1 {
+		t.Fatalf("expected WaitLeft 1 (delay 0 floored), got Action:%v", p.Action)
+	}
+
+	g.advanceInteractionSeq(sess, p)
+
+	if p.Action != nil {
+		t.Error("expected action cancelled after draining all messages")
+	}
+	if p.HP != 60 {
+		t.Errorf("expected HP 60 after heal, got %d", p.HP)
+	}
+}
+
+func TestAdvanceInteractionSeqHonorsDelay(t *testing.T) {
+	g := newTestGameWithStore(t)
+	p := newTestPlayer("test")
+	sess := newTestSession(p, nil)
+
+	step := &behavior.StepAction{
+		NodeAction: behavior.NodeAction{Heal: 10},
+		Messages: []behavior.DelayedMessage{
+			{Message: "First.", Delay: 2},
+			{Message: "Second.", Delay: 3},
+		},
+	}
+
+	g.startInteractionSeq(sess, p, step, 100, scopePlayer, nil)
+
+	if p.Action == nil || p.Action.WaitLeft != 2 {
+		t.Fatalf("expected WaitLeft 2, got %v", p.Action)
+	}
+	p.Action.WaitLeft = 1
+
+	g.advanceInteractionSeq(sess, p)
+
+	if p.Action == nil {
+		t.Fatal("expected action still running (second message pending)")
+	}
+	if p.Action.WaitLeft != 3 {
+		t.Errorf("expected WaitLeft 3 (second message delay), got %d", p.Action.WaitLeft)
+	}
+	if p.HP != 50 {
+		t.Error("heal should not have fired yet")
+	}
+
+	g.advanceInteractionSeq(sess, p)
+
+	if p.Action != nil {
+		t.Error("expected action cancelled after last message + heal")
+	}
+	if p.HP != 60 {
+		t.Errorf("expected HP 60 after heal, got %d", p.HP)
+	}
+}
+
+func TestInteractionSeqCancelPreventsTrailingEffects(t *testing.T) {
+	g := newTestGame()
+	p := newTestPlayer("test")
+	sess := newTestSession(p, nil)
+
+	step := &behavior.StepAction{
+		NodeAction: behavior.NodeAction{Heal: 10},
+		Messages: []behavior.DelayedMessage{
+			{Message: "Hello.", Delay: 5},
+		},
+	}
+
+	g.startInteractionSeq(sess, p, step, 100, scopePlayer, nil)
+
+	if p.Action == nil {
+		t.Fatal("expected pending action")
+	}
+
+	g.cancelAction(p)
+
+	if p.Action != nil {
+		t.Error("expected action to be cancelled")
+	}
+	if p.HP != 50 {
+		t.Error("heal should not have fired after cancel")
+	}
+}
+
+func TestApplyStepActionEmitsAllMessages(t *testing.T) {
+	g := newTestGameWithStore(t)
+	p := newTestPlayer("test")
+	sess := newTestSession(p, nil)
+
+	step := &behavior.StepAction{
+		NodeAction: behavior.NodeAction{Heal: 10},
+		Messages: []behavior.DelayedMessage{
+			{Message: "A.", Delay: 99},
+			{Message: "B.", Delay: 99},
+		},
+	}
+
+	g.applyStepAction(sess, p, step, 100, scopePlayer, nil)
+
+	if p.HP != 60 {
+		t.Errorf("expected HP 60 after heal, got %d", p.HP)
+	}
+}