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<?php
namespace Guzzle\Tests\Inflection;
use Guzzle\Inflection\MemoizingInflector;
use Guzzle\Inflection\Inflector;
/**
* @covers Guzzle\Inflection\MemoizingInflector
*/
class MemoizingInflectorTest extends \Guzzle\Tests\GuzzleTestCase
{
public function testUsesCache()
{
$mock = $this->getMock('Guzzle\Inflection\Inflector', array('snake', 'camel'));
$mock->expects($this->once())->method('snake')->will($this->returnValue('foo_bar'));
$mock->expects($this->once())->method('camel')->will($this->returnValue('FooBar'));
$inflector = new MemoizingInflector($mock);
$this->assertEquals('foo_bar', $inflector->snake('FooBar'));
$this->assertEquals('foo_bar', $inflector->snake('FooBar'));
$this->assertEquals('FooBar', $inflector->camel('foo_bar'));
$this->assertEquals('FooBar', $inflector->camel('foo_bar'));
}
public function testProtectsAgainstCacheOverflow()
{
$inflector = new MemoizingInflector(new Inflector(), 10);
for ($i = 1; $i < 11; $i++) {
$inflector->camel('foo_' . $i);
$inflector->snake('Foo' . $i);
}
$cache = $this->readAttribute($inflector, 'cache');
$this->assertEquals(10, count($cache['snake']));
$this->assertEquals(10, count($cache['camel']));
$inflector->camel('baz!');
$inflector->snake('baz!');
// Now ensure that 20% of the cache was removed (2), then the item was added
$cache = $this->readAttribute($inflector, 'cache');
$this->assertEquals(9, count($cache['snake']));
$this->assertEquals(9, count($cache['camel']));
}
}
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