package cache

import (
	"testing"
	"time"
)

func TestNew_LruURI(t *testing.T) {
	cache, err := New("lru://")

	if err != nil {
		t.Fatal("Error creating cache:", err)
	}

	if _, ok := cache.(*LruCache); !ok {
		t.Fatal("Cache is not instance of MemoryCache")
	}
}

func TestLruCache_Get(t *testing.T) {
	cache, err := New("lru://")

	if err != nil {
		t.Fatal("Error creating cache:", err)
	}

	obj := "test"

	cache.Set("test", obj, time.Minute)

	var new string

	cache.Get("test", &new)

	if obj != new {
		t.Fatal("Expected", obj, "got", new)
	}
}

func TestLruCache_GetRaw(t *testing.T) {
	cache, err := New("lru://")

	if err != nil {
		t.Fatal("Error creating cache:", err)
	}

	obj := "test"

	cache.Set("test", obj, time.Minute)

	v, err := cache.Get("test")

	if err != nil {
		t.Fatal("Unable to get value:", err)
	}

	new := string(v)

	if obj != new {
		t.Fatal("Expected", obj, "got", new)
	}
}

func TestLruCache_Has(t *testing.T) {
	cache, err := New("lru://")

	if err != nil {
		t.Fatal("Error creating cache:", err)
	}

	cache.Set("test", "test", time.Minute)

	if !cache.Has("test") {
		t.Fatal("Expected cache to have object 'test'")
	}
}

func TestLruCache_Del(t *testing.T) {
	cache, err := New("lru://")

	if err != nil {
		t.Fatal("Error creating cache:", err)
	}

	cache.Set("test", "test", time.Minute)

	if !cache.Has("test") {
		t.Fatal("Expected cache to have object 'test'")
	}

	cache.Del("test")

	if cache.Has("test") {
		t.Fatal("Cache did not properly delete item")
	}
}