tenant-registry/internal/store/memory_test.go

package store

import (
	"context"
	"errors"
	"testing"
)

func TestMemory_seededAcme(t *testing.T) {
	m := NewMemory()
	ctx := context.Background()

	t.Run("by slug returns seed", func(t *testing.T) {
		got, err := m.BySlug(ctx, "acme")
		if err != nil {
			t.Fatal(err)
		}
		if got.Slug != "acme" {
			t.Errorf("slug = %q, want acme", got.Slug)
		}
		if got.Status != "active" {
			t.Errorf("status = %q, want active", got.Status)
		}
		if len(got.Products) != 2 {
			t.Errorf("products = %v, want [certifai compliance]", got.Products)
		}
	})

	t.Run("by id returns seed", func(t *testing.T) {
		got, err := m.ByID(ctx, "00000000-0000-0000-0000-000000000001")
		if err != nil {
			t.Fatal(err)
		}
		if got.Slug != "acme" {
			t.Errorf("slug = %q, want acme", got.Slug)
		}
	})

	t.Run("missing slug returns ErrNotFound", func(t *testing.T) {
		_, err := m.BySlug(ctx, "nope")
		if !errors.Is(err, ErrNotFound) {
			t.Errorf("err = %v, want ErrNotFound", err)
		}
	})

	t.Run("missing id returns ErrNotFound", func(t *testing.T) {
		_, err := m.ByID(ctx, "deadbeef")
		if !errors.Is(err, ErrNotFound) {
			t.Errorf("err = %v, want ErrNotFound", err)
		}
	})

	t.Run("returned tenant is a copy, not the stored pointer", func(t *testing.T) {
		got, err := m.BySlug(ctx, "acme")
		if err != nil {
			t.Fatal(err)
		}
		got.Name = "mutated"
		got2, _ := m.BySlug(ctx, "acme")
		if got2.Name == "mutated" {
			t.Error("store leaked internal pointer; caller could mutate seeded state")
		}
	})
}