feat(#22): gamificação RPG — XP, quests, conquistas, cosméticos e personagem SVG pixel art

Co-Authored-By: Claude Sonnet 4.6 <[email protected]>

apps/api/internal/service/game_test.go

@@ -0,0 +1,98 @@
+package service_test
+
+import (
+	"context"
+	"testing"
+
+	"financeiro-carvalho/internal/model"
+	"financeiro-carvalho/internal/service"
+)
+
+type mockGameRepo struct {
+	profile      model.PlayerProfile
+	achievements map[string]bool
+}
+
+func newMockGameRepo() *mockGameRepo {
+	return &mockGameRepo{
+		profile:      model.PlayerProfile{ID: 1, Level: 1, XP: 0, XPToNext: 100},
+		achievements: map[string]bool{},
+	}
+}
+
+func (m *mockGameRepo) GetProfile(_ context.Context) (*model.PlayerProfile, error) {
+	cp := m.profile
+	return &cp, nil
+}
+func (m *mockGameRepo) AddXP(_ context.Context, _ string, amount int, _ string) (*model.PlayerProfile, error) {
+	m.profile.XP += amount
+	for m.profile.XP >= m.profile.XPToNext {
+		m.profile.XP -= m.profile.XPToNext
+		m.profile.Level++
+		m.profile.XPToNext = m.profile.Level * m.profile.Level * 100
+	}
+	cp := m.profile
+	return &cp, nil
+}
+func (m *mockGameRepo) ListActiveQuests(_ context.Context) ([]model.PlayerQuest, error) {
+	return nil, nil
+}
+func (m *mockGameRepo) EnsurePlayerQuest(_ context.Context, _ int, _ string) (int, error) { return 1, nil }
+func (m *mockGameRepo) IncrementQuestCount(_ context.Context, _, _ string, _ int) error   { return nil }
+func (m *mockGameRepo) UpdateQuestPct(_ context.Context, _ string, _ float64) error       { return nil }
+func (m *mockGameRepo) ClaimQuest(_ context.Context, _ int) (int, error)                   { return 50, nil }
+func (m *mockGameRepo) ListAchievements(_ context.Context) ([]model.Achievement, error)    { return nil, nil }
+func (m *mockGameRepo) IsAchievementUnlocked(_ context.Context, c string) (bool, error) {
+	return m.achievements[c], nil
+}
+func (m *mockGameRepo) UnlockAchievement(_ context.Context, c string) (int, error) {
+	m.achievements[c] = true
+	return 100, nil
+}
+func (m *mockGameRepo) ListCosmetics(_ context.Context) ([]model.Cosmetic, error)        { return nil, nil }
+func (m *mockGameRepo) EquipCosmetic(_ context.Context, _ int) error                     { return nil }
+func (m *mockGameRepo) UnlockCosmeticsForLevel(_ context.Context, _ int) error           { return nil }
+
+func TestGame_XPAccumulates(t *testing.T) {
+	repo := newMockGameRepo()
+	svc := service.NewGameService(repo)
+
+	p, err := svc.AwardXP(context.Background(), "test", 50, "test")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if p.XP != 50 {
+		t.Errorf("expected xp=50, got %d", p.XP)
+	}
+}
+
+func TestGame_LevelUpAtThreshold(t *testing.T) {
+	repo := newMockGameRepo()
+	svc := service.NewGameService(repo)
+
+	// level 1 threshold is 100 XP
+	p, err := svc.AwardXP(context.Background(), "test", 100, "test")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if p.Level != 2 {
+		t.Errorf("expected level=2 after 100 XP, got %d", p.Level)
+	}
+	if p.XP != 0 {
+		t.Errorf("expected remaining xp=0, got %d", p.XP)
+	}
+}
+
+func TestGame_AchievementNotDuplicated(t *testing.T) {
+	repo := newMockGameRepo()
+	svc := service.NewGameService(repo)
+
+	svc.CheckAndUnlockAchievement(context.Background(), "first_transaction")
+	svc.CheckAndUnlockAchievement(context.Background(), "first_transaction")
+
+	// second call should be a no-op — XP only awarded once
+	// repo tracks it as unlocked after first call
+	if !repo.achievements["first_transaction"] {
+		t.Error("achievement should be marked unlocked")
+	}
+}