package cache

import (
	"testing"
	"time"
)

func TestCache(t *testing.T) {
	appCache, err := Bootstrap()
	if err != nil {
		t.Errorf("bootstrap cache failed: %v\n", err)
	}
	if err := appCache.Set("key", "value"); err != nil {
		t.Errorf("set cache failed: %v\n", err)
	}
	// real result
	value, err := appCache.Get("key")
	if err != nil {
		t.Errorf("get cache failed: %v\n", err)
	}
	if value == nil {
		t.Error("get cache didn't fetch a value for set key")
	} else if *value != "value" {
		t.Errorf("get cache value should be \"value\" but is \"%s\"", *value)
	}
	// nil result
	value, err = appCache.Get("notExisting")
	if err != nil {
		t.Errorf("get cache failed: %v\n", err)
	}
	if value != nil {
		t.Error("get cache must return nil for non existing key")
	}
	if err := appCache.SetWithTTL("ttl", "10", 3); err != nil {
		t.Errorf("set cache failed: %v\n", err)
	}
	value, err = appCache.Get("ttl")
	if err != nil {
		t.Errorf("get cache failed: %v\n", err)
	}
	if value == nil {
		t.Error("get cache didn't fetch a value for set key")
	} else if *value != "10" {
		t.Errorf("get cache value should be \"10\" but is \"%s\"", *value)
	}
	time.Sleep(3 * time.Second)
	value, err = appCache.Get("ttl")
	if err != nil {
		t.Errorf("get cache failed: %v\n", err)
	}
	if value != nil {
		t.Error("get cache must return nil for expired key")
	}
	appCache.Close()
}