package cheapcash_test

import (
	"math/rand"
	"strconv"
	"sync"
	"testing"

	"github.com/aldy505/cheapcash"
)

func TestWrite(t *testing.T) {
	c := cheapcash.Default()
	err := c.Write("key", []byte("value"))
	if err != nil {
		t.Error("an error was thrown:", err)
	}
}

func TestWrite_Concurrency(t *testing.T) {
	c := cheapcash.Default()

	var wg sync.WaitGroup

	writeFunc := func() {
		err := c.Write("key1", []byte("value1"))
		if err != nil {
			t.Error("an error was thrown:", err)
		}
		wg.Done()
	}

	wg.Add(5)
	go writeFunc()
	go writeFunc()
	go writeFunc()
	go writeFunc()
	go writeFunc()

	wg.Wait()
}

func TestWrite_Exists(t *testing.T) {
	rand := strconv.Itoa(rand.Int())
	c := cheapcash.Default()

	err := c.Write(rand, []byte("value"))
	if err != nil {
		t.Error("an error was thrown:", err)
	}

	err = c.Write(rand, []byte("another value"))
	if err != nil {
		t.Error("an error was thrown:", err)
	}
}