feat: add stickers

internal/service/gift_service_test.go

@@ -0,0 +1,140 @@
+package service
+
+import (
+	"context"
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/google/uuid"
+	"github.com/joho/godotenv"
+	"github.com/prabhupadasays/spsays-bff/internal/repository"
+	"go.uber.org/zap"
+)
+
+func testRewardRepo(t *testing.T) (*repository.RewardRepo, *repository.Postgres) {
+	t.Helper()
+	uri := os.Getenv("POSTGRES_URI")
+	if uri == "" {
+		_ = godotenv.Load(filepath.Join("..", "..", ".env"))
+		uri = os.Getenv("POSTGRES_URI")
+	}
+	if uri == "" {
+		t.Skip("POSTGRES_URI not set")
+	}
+	pg, err := repository.NewPostgres(context.Background(), uri, zap.NewNop())
+	if err != nil {
+		t.Skipf("postgres unreachable: %v", err)
+	}
+	t.Cleanup(pg.Close)
+	return repository.NewRewardRepo(pg), pg
+}
+
+func giftUser(t *testing.T, pg *repository.Postgres) string {
+	t.Helper()
+	id := uuid.NewString()
+	suffix := id[:8]
+	if _, err := pg.Pool.Exec(context.Background(), `
+		INSERT INTO users (id, email, password_hash, name, handle)
+		VALUES ($1, $2, 'x', 'Gift User', $3)`,
+		id, "gift-"+suffix+"@example.invalid", "gift_"+suffix); err != nil {
+		t.Fatalf("create user: %v", err)
+	}
+	t.Cleanup(func() {
+		_, _ = pg.Pool.Exec(context.Background(), `DELETE FROM users WHERE id = $1`, id)
+	})
+	return id
+}
+
+func giftReward(t *testing.T, pg *repository.Postgres) string {
+	t.Helper()
+	key := "gift_" + uuid.NewString()[:8]
+	if _, err := pg.Pool.Exec(context.Background(), `
+		INSERT INTO sadhna_rewards (key, name, image_url)
+		VALUES ($1, 'Occasional Gift', 'https://example.invalid/g.png')`, key); err != nil {
+		t.Fatalf("create reward: %v", err)
+	}
+	t.Cleanup(func() {
+		_, _ = pg.Pool.Exec(context.Background(), `DELETE FROM sadhna_rewards WHERE key = $1`, key)
+	})
+	return key
+}
+
+// A gift arrives wrapped, opens once, and lands in the vault — and re-gifting
+// must not duplicate it.
+func TestGift_ArrivesWrappedAndOpensOnce(t *testing.T) {
+	rewards, pg := testRewardRepo(t)
+	ctx := context.Background()
+	user := giftUser(t, pg)
+	key := giftReward(t, pg)
+
+	reward, err := rewards.ByKey(ctx, key)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if _, err := rewards.GrantGiftToEveryone(ctx, reward.ID); err != nil {
+		t.Fatal(err)
+	}
+
+	find := func() (found bool, opened bool) {
+		grants, err := rewards.GrantsByUser(ctx, user)
+		if err != nil {
+			t.Fatal(err)
+		}
+		for _, g := range grants {
+			if g.Reward.Key == key {
+				if g.Source != "gift" {
+					t.Errorf("source = %q, want gift", g.Source)
+				}
+				if g.Milestone != nil {
+					t.Errorf("milestone = %v, want nil — a gift isn't a streak day", *g.Milestone)
+				}
+				return true, g.Opened
+			}
+		}
+		return false, false
+	}
+
+	found, opened := find()
+	if !found {
+		t.Fatal("the gift did not reach an existing account")
+	}
+	if opened {
+		t.Error("a new gift should arrive wrapped")
+	}
+
+	// It must NOT hijack the streak confetti — that stays for streak rewards.
+	if pending, _ := rewards.PendingGrant(ctx, user); pending != nil {
+		t.Errorf("a gift appeared as a pending streak celebration: %+v", pending)
+	}
+
+	if err := rewards.OpenGift(ctx, user, key); err != nil {
+		t.Fatal(err)
+	}
+	if _, opened = find(); !opened {
+		t.Error("opening the gift did not un-blur it")
+	}
+	// Opening twice is harmless.
+	if err := rewards.OpenGift(ctx, user, key); err != nil {
+		t.Errorf("second open should be a no-op: %v", err)
+	}
+
+	// Re-gifting tops up newcomers without duplicating anyone's tile.
+	if _, err := rewards.GrantGiftToEveryone(ctx, reward.ID); err != nil {
+		t.Fatal(err)
+	}
+	grants, _ := rewards.GrantsByUser(ctx, user)
+	n := 0
+	for _, g := range grants {
+		if g.Reward.Key == key {
+			n++
+		}
+	}
+	if n != 1 {
+		t.Errorf("holdings of the gift = %d, want 1", n)
+	}
+	// ...and it must not silently re-wrap what was already opened.
+	if _, opened = find(); !opened {
+		t.Error("re-gifting re-wrapped an already opened gift")
+	}
+}