Files
scrabble-game/gateway/internal/session/cache_test.go
T
Ilia Denisov 92633f935e
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feat(payments): trusted platform signal on the session
Record the execution platform (kind vk|telegram|direct + device subtype
ios|android|web) on each session, captured at creation and carried
gateway->backend as a trusted X-Platform header, so the upcoming
store-compliance gate has an unforgeable execution context.

- backend.sessions gains nullable platform_kind/platform_subtype columns
  (migration 00011, CHECK-constrained, jet regenerated); session.Platform
  captures them at mint, resolve returns them, middleware exposes platform(c).
  kind is derived from the establish endpoint, never a client field; the
  account-merge session mint inherits the caller's platform.
- gateway derives the platform (VK subtype from the signed vk_platform via
  vkauth, Telegram/direct best-effort from the client) and injects X-Platform
  on every authenticated backend call through the request context.
- ui submits a best-effort device subtype on the telegram/guest/email login
  requests (new FBS subtype field); VK is server-derived from the signed params.
- an unattributed session is untrusted (view-only); VK/TG self-heal on the next
  cold-start re-mint, direct/email on re-login.

Signal plumbing only, no user-visible change; X-Platform is inert until the
gate consumes it.
2026-07-08 03:31:51 +02:00

91 lines
2.4 KiB
Go

package session
import (
"context"
"errors"
"testing"
"time"
)
type fakeResolver struct {
uid string
guest bool
platform string
err error
calls int
}
func (f *fakeResolver) ResolveSession(_ context.Context, _ string) (string, bool, string, error) {
f.calls++
if f.err != nil {
return "", false, "", f.err
}
return f.uid, f.guest, f.platform, nil
}
func TestResolveCachesBackendHit(t *testing.T) {
r := &fakeResolver{uid: "user-1"}
c := NewCache(r, time.Minute, 10)
for i := 0; i < 3; i++ {
uid, _, _, err := c.Resolve(context.Background(), "tok")
if err != nil || uid != "user-1" {
t.Fatalf("resolve #%d = (%q, %v)", i, uid, err)
}
}
if r.calls != 1 {
t.Fatalf("backend calls = %d, want 1 (cached)", r.calls)
}
}
func TestResolveCarriesAndCachesGuestFlagAndPlatform(t *testing.T) {
r := &fakeResolver{uid: "guest-1", guest: true, platform: "vk/ios"}
c := NewCache(r, time.Minute, 10)
for i := 0; i < 2; i++ {
uid, guest, platform, err := c.Resolve(context.Background(), "tok")
if err != nil || uid != "guest-1" || !guest || platform != "vk/ios" {
t.Fatalf("resolve #%d = (%q, guest=%v, platform=%q, %v)", i, uid, guest, platform, err)
}
}
if r.calls != 1 {
t.Fatalf("backend calls = %d, want 1 (guest flag + platform cached)", r.calls)
}
}
func TestResolvePropagatesBackendError(t *testing.T) {
r := &fakeResolver{err: errors.New("nope")}
c := NewCache(r, time.Minute, 10)
if _, _, _, err := c.Resolve(context.Background(), "tok"); err == nil {
t.Fatal("expected backend error to propagate")
}
}
func TestResolveReResolvesAfterTTL(t *testing.T) {
r := &fakeResolver{uid: "user-1"}
c := NewCache(r, time.Minute, 10)
base := time.Now()
c.now = func() time.Time { return base }
if _, _, _, err := c.Resolve(context.Background(), "tok"); err != nil {
t.Fatal(err)
}
c.now = func() time.Time { return base.Add(2 * time.Minute) } // past TTL
if _, _, _, err := c.Resolve(context.Background(), "tok"); err != nil {
t.Fatal(err)
}
if r.calls != 2 {
t.Fatalf("backend calls = %d, want 2 (re-resolve after expiry)", r.calls)
}
}
func TestInvalidateForcesReResolve(t *testing.T) {
r := &fakeResolver{uid: "user-1"}
c := NewCache(r, time.Minute, 10)
_, _, _, _ = c.Resolve(context.Background(), "tok")
c.Invalidate("tok")
_, _, _, _ = c.Resolve(context.Background(), "tok")
if r.calls != 2 {
t.Fatalf("backend calls = %d, want 2 after invalidate", r.calls)
}
}