<?php
use Mammut\Cache\Simple;
use Mammut\Storage\CachedStore\CachedLamdaStore;

class CachedLambdaStoreTest extends PHPUnit_Framework_TestCase {

	public function testStore() {
		$store = function($key, $value) {
		};
		$fetch = function($key) {
			return '1234';
		};
		$delete = function($key) {
			echo '-'.$key;
		};
		$exist = function($key) {
			return false;
		};
		
		$lstore = new CachedLamdaStore(new Simple(), $store, $fetch, $delete, $exist);
		$lstore->store('KEY', 'Value');
	}

	public function testGet() {
		$store = function($key, $value) {
		};
		$fetch = function($key) {
			return '1234';
		};
		$delete = function($key) {
			echo '-'.$key;
		};
		$exist = function($key) {
			return true;
		};
	
		$lstore = new CachedLamdaStore(new Simple(), $store, $fetch, $delete, $exist);
		$this->assertEquals('1234', $lstore->fetch('KEY'), 'Stored value not returned');
	}

	public function testStoreGet() {
		$store = function($key, $value) {
		};
		$fetch = function($key) {
			return '1234';
		};
		$delete = function($key) {
			echo '-'.$key;
		};
		$exist = function($key) {
			return true;
		};
	
		$lstore = new CachedLamdaStore(new Simple(), $store, $fetch, $delete, $exist);
		$lstore->store('KEY', 'Value');
		$this->assertEquals('Value', $lstore->fetch('KEY'), 'Stored value not returned');
	}
	
	public function testExist() {
		$store = function($key, $value) {
		};
		$fetch = function($key) {
			return '1234';
		};
		$delete = function($key) {
			echo '-'.$key;
		};
		
		$exist = function($key) {
			return false;
		};
		$lstore = new CachedLamdaStore(new Simple(), $store, $fetch, $delete, $exist);
		$this->assertFalse($lstore->exist('KEY'));
		$lstore->store('KEY', '1234');
		$this->assertTrue($lstore->exist('KEY')); // exists in cache
		
		$exist = function($key) {
			return true;
		};
		$lstore = new CachedLamdaStore(new Simple(), $store, $fetch, $delete, $exist);
		$this->assertTrue($lstore->exist('KEY'));
	}
}