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scrabble-game/backend/internal/gamelimits/gamelimits_test.go
T
Ilia Denisov ed53e25e57
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feat(backend): per-tier, per-kind active-game limits with a guest funnel
Cap a player's simultaneous unfinished games per kind (vs_ai, random,
friends) with independent guest and durable-account tiers, held in a new
single-row backend.config table (-1 = unlimited) behind an in-memory cache
and editable live in the admin console (/_gm/limits). Each game is tagged
with games.game_kind on creation.

This replaces the earlier flat MaxActiveQuickGames=10 combined cap: the
per-tier/kind config is the single mechanism, enforced at the same handler
gate (ensureUnderGameLimit by kind on lobby/enqueue) plus the durable
friends cap in CreateInvitation. game.Service.AtGameLimit only resolves the
tier and counts; the limit policy stays at the request edge.

Guests are now refused friend requests, friend-code redemption,
befriend-in-game and invitation creation outright (403 guest_forbidden) --
previously only the UI hid these.

Admin: a kind column in both game lists and the config editor.

Defaults: guest 1 vs_ai / 1 random / 0 friends; durable 10 / 10 / 10.
2026-07-10 09:03:57 +02:00

45 lines
1.4 KiB
Go

package gamelimits
import "testing"
// TestLimitsCap checks Cap maps each kind to its field and leaves the unknown kind uncapped, so a
// untagged game (game_kind 0) is never gated.
func TestLimitsCap(t *testing.T) {
l := Limits{VsAI: 1, Random: 2, Friends: 3}
for _, tc := range []struct {
kind Kind
want int
}{
{KindVsAI, 1},
{KindRandom, 2},
{KindFriends, 3},
{KindUnknown, Unlimited},
{Kind(99), Unlimited},
} {
if got := l.Cap(tc.kind); got != tc.want {
t.Errorf("Cap(%d) = %d, want %d", tc.kind, got, tc.want)
}
}
}
// TestServiceLimitsForTier checks LimitsFor selects the guest or durable tier from the cached config.
func TestServiceLimitsForTier(t *testing.T) {
svc := NewService(nil)
svc.set(Config{
Guest: Limits{VsAI: 1, Random: 1, Friends: 0},
Durable: Limits{VsAI: 10, Random: 10, Friends: 10},
})
if got := svc.LimitsFor(true); got != (Limits{VsAI: 1, Random: 1, Friends: 0}) {
t.Errorf("guest limits = %+v, want {1 1 0}", got)
}
if got := svc.LimitsFor(false); got != (Limits{VsAI: 10, Random: 10, Friends: 10}) {
t.Errorf("durable limits = %+v, want {10 10 10}", got)
}
// The unlimited sentinel resolves through the tier too.
svc.set(Config{Durable: Limits{VsAI: Unlimited, Random: Unlimited, Friends: Unlimited}})
if got := svc.LimitsFor(false).Cap(KindVsAI); got != Unlimited {
t.Errorf("durable vs_ai cap = %d, want unlimited (-1)", got)
}
}