banker/tests/PoolTest.php

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2016-10-19 09:57:06 -04:00
<?php declare(strict_types=1);
/**
* Banker
*
* A Caching library implementing psr/cache
*
* PHP version 7.0
*
* @package Banker
* @author Timothy J. Warren <tim@timshomepage.net>
* @copyright 2016 Timothy J. Warren
* @license http://www.opensource.org/licenses/mit-license.html MIT License
* @version 1.0.0
* @link https://git.timshomepage.net/timw4mail/banker
*/
2016-09-06 17:03:43 -04:00
namespace Aviat\Banker\Tests;
use Aviat\Banker\Pool;
use Aviat\Banker\Item;
use Aviat\Banker\ItemCollection;
use Aviat\Banker\Exception\InvalidArgumentException;
use Monolog\Logger;
use Monolog\Handler\SyslogHandler;
use PHPUnit\Framework\TestCase;
use Psr\Log\LoggerInterface;
use Psr\Log\NullLogger;
class PoolTest extends TestCase {
protected $pool;
public function setUp()
{
$this->pool = new Pool([
'driver' => 'null',
'connection' => []
]);
}
public function testGetDefaultLogger()
{
$friend = new Friend($this->pool);
$driverFriend = new Friend($friend->driver);
// Check that a valid logger is set
$this->assertInstanceOf(LoggerInterface::class, $friend->getLogger(), "Logger exists after being set");
$this->assertInstanceOf(LoggerInterface::class, $driverFriend->getLogger(), "Logger exists on driver after being set");
// Make sure we get the default Null logger
$this->assertTrue(is_a($friend->getLogger(), NullLogger::class));
$this->assertTrue(is_a($driverFriend->getLogger(), NullLogger::class));
}
public function testSetLoggerInConstructor()
{
$logger = new Logger('test');
$logger->pushHandler(new SyslogHandler(Logger::WARNING));
$pool = new Pool([
'driver' => 'null',
'connection' => [],
], $logger);
$friend = new Friend($pool);
$driverFriend = new Friend($friend->driver);
// Check that a valid logger is set
$this->assertInstanceOf(LoggerInterface::class, $friend->getLogger(), "Logger exists after being set");
$this->assertInstanceOf(LoggerInterface::class, $driverFriend->getLogger(), "Logger exists on driver after being set");
// Make sure we aren't just getting the default Null logger
$this->assertFalse(is_a($friend->getLogger(), NullLogger::class));
$this->assertFalse(is_a($driverFriend->getLogger(), NullLogger::class));
}
public function testGetSetLogger()
{
$logger = new Logger('test');
$logger->pushHandler(new SyslogHandler(Logger::WARNING));
$this->pool->setLogger($logger);
$friend = new Friend($this->pool);
$driverFriend = new Friend($friend->driver);
// Check that a valid logger is set
$this->assertInstanceOf(LoggerInterface::class, $friend->getLogger(), "Logger exists after being set");
$this->assertInstanceOf(LoggerInterface::class, $driverFriend->getLogger(), "Logger exists on driver after being set");
// Make sure we aren't just getting the default Null logger
$this->assertFalse(is_a($friend->getLogger(), NullLogger::class));
$this->assertFalse(is_a($driverFriend->getLogger(), NullLogger::class));
}
public function testGetItem()
{
$item = $this->pool->getItem('foo');
$this->assertInstanceOf(Item::class, $item);
}
public function testItemBadKey()
{
$this->expectException(InvalidArgumentException::class);
$this->expectExceptionMessage("Cache key must be a string.");
$this->pool->getItem([]);
}
public function testGetItems()
{
$collection = $this->pool->getItems(['foo', 'bar', 'baz']);
$this->assertInstanceOf(ItemCollection::class, $collection);
foreach($collection as $item)
{
$this->assertInstanceOf(Item::class, $item);
}
}
public function testEmptyGetItems()
{
$collection = $this->pool->getItems();
$this->assertInstanceOf(ItemCollection::class, $collection);
$this->assertEquals(0, count($collection));
}
public function testHasItem()
{
// The key doesn't exist yet
$this->assertFalse($this->pool->hasItem('foobar'));
// Create the item
$item = $this->pool->getItem('foobar')
->set('baz')
->save();
// The item exists now
$this->assertTrue($this->pool->hasItem('foobar'));
}
public function testHasItemBadKey()
{
$this->expectException(InvalidArgumentException::class);
$this->expectExceptionMessage("Cache key must be a string.");
$this->pool->hasItem(34);
}
public function testClear()
{
// Call clear to make sure we are working from a clean slate to start
$this->pool->clear();
$data = [
'foo' => 'bar',
'bar' => 'baz',
'foobar' => 'foobarbaz'
];
// Set up some data
$this->setupDataInCache($data);
foreach($data as $key => $val)
{
$this->assertTrue($this->pool->hasItem($key));
$item = $this->pool->getItem($key);
$this->assertEquals($val, $item->get());
}
// Now we clear it all!
$this->pool->clear();
foreach($data as $key => $val)
{
$this->assertFalse($this->pool->hasItem($key));
$item = $this->pool->getItem($key);
$this->assertNull($item->get());
}
}
public function testDeleteItemBadKey()
{
$this->expectException(InvalidArgumentException::class);
$this->expectExceptionMessage("Cache key must be a string.");
$this->pool->deleteItem(34);
}
public function testDeleteItemThatDoesNotExist()
{
$this->pool->clear();
$this->assertFalse($this->pool->deleteItem('foo'));
}
public function testDeleteItem()
{
// Start with a clean slate
$this->pool->clear();
$data = [
'foo' => 'bar',
'bar' => 'baz',
'foobar' => 'foobarbaz'
];
$this->setupDataInCache($data);
$this->pool->deleteItem('foo');
// The item no longer exists
$this->assertFalse($this->pool->hasItem('foo'));
$item = $this->pool->getItem('foo');
$this->assertNull($item->get());
// The other items still exist
foreach(['bar', 'foobar'] as $key)
{
$this->assertTrue($this->pool->hasItem($key));
$item = $this->pool->getItem($key);
$this->assertFalse(is_null($item->get()));
}
}
public function testDeleteItems()
{
$this->pool->clear();
$data = [
'foo' => 'bar',
'bar' => 'baz',
'foobar' => 'foobarbaz'
];
$this->setupDataInCache($data);
$this->pool->deleteItems(['foo', 'bar']);
foreach(['foo', 'bar'] as $key)
{
$this->assertFalse($this->pool->hasItem($key));
$item = $this->pool->getItem($key);
$this->assertNull($item->get());
}
}
public function testSaveDeferred()
{
$this->pool->clear();
$data = [
'foo' => 'bar',
'bar' => 'baz',
'foobar' => 'foobarbaz'
];
$this->setupDeferredData($data);
// See that the data is returned by the pool
foreach($data as $key => $val)
{
$this->assertTrue($this->pool->hasItem($key));
$item = $this->pool->getItem($key);
// The cache hasn't been updated yet, even
// though the pool data has
$this->assertNotEquals($data[$key], $item->get());
}
}
public function testCommit()
{
$this->pool->clear();
// If there are no deferred items, this will return true
$this->assertTrue($this->pool->commit());
$data = [
'foo' => 'bar',
'bar' => 'baz',
'foobar' => 'foobarbaz'
];
$this->setupDeferredData($data);
// See that the data is returned by the pool
foreach($this->pool->getItems(array_keys($data)) as $key => $item)
{
$this->assertTrue($this->pool->hasItem($key));
// The cache hasn't been updated yet, even
// though the pool data has
$this->assertNotEquals($data[$key], $item->get());
}
$this->pool->commit();
// See that the data is saved in the cache backend
foreach($this->pool->getItems(array_keys($data)) as $key => $item)
{
$this->assertTrue($this->pool->hasItem($key));
$this->assertEquals($data[$key], $item->get());
}
}
protected function setupDeferredData($data)
{
foreach($data as $key => $val)
{
$item = $this->pool->getItem($key)
->set($val);
$this->assertTrue($this->pool->saveDeferred($item));
}
}
protected function setupDataInCache($data)
{
foreach($data as $key => $val)
{
$item = $this->pool->getItem($key)
->set($val);
$this->pool->save($item);
}
}
}