package internal_test

import (
	"testing"

	"github.com/nmoniz/any2anexoj/internal"
)

// Verify that EphemeralStore.Load returns a non-nil empty map and no error.
func TestEphemeralStore_Load(t *testing.T) {
	store := internal.EphemeralStore{}

	queues, err := store.Load(t.Context())
	if err != nil {
		t.Fatalf("Load returned unexpected error: %v", err)
	}
	if queues == nil {
		t.Fatalf("Load returned a nil map; expected an empty map")
	}
	if len(queues) != 0 {
		t.Fatalf("Load returned %d entries; expected 0", len(queues))
	}
}

// Verify that EphemeralStore.Save accepts a queue map without error and
// discards its contents.
func TestEphemeralStore_Save(t *testing.T) {
	store := internal.EphemeralStore{}

	var q internal.FillerQueue

	err := store.Save(t.Context(), map[string]*internal.FillerQueue{
		"TEST": &q,
	})
	if err != nil {
		t.Fatalf("Save returned unexpected error: %v", err)
	}

	// Save is a no-op, so a subsequent Load must still be empty.
	queues, err := store.Load(t.Context())
	if err != nil {
		t.Fatalf("Load after Save returned unexpected error: %v", err)
	}
	if len(queues) != 0 {
		t.Fatalf("Load after Save returned %d entries; expected 0", len(queues))
	}
}