/**
* Consecutive calls to the memoized callable with the same arguments
* should result in just one invocation of the underlying callable.
*
* @requires function apc_store
*/
public function testCallableMemoized()
{
$observer = $this->getMock('stdClass', array('computeSomething'));
$observer->expects($this->once())->method('computeSomething')->will($this->returnValue('ok'));
$memoized = new ArrayBackedMemoizedCallable(array($observer, 'computeSomething'));
// First invocation -- delegates to $observer->computeSomething()
$this->assertEquals('ok', $memoized->invoke());
// Second invocation -- returns memoized result
$this->assertEquals('ok', $memoized->invoke());
}
/**
* Closure names should be distinct.
*/
public function testMemoizedClosure()
{
$a = new MemoizedCallable(function () {
return 'a';
});
$b = new MemoizedCallable(function () {
return 'b';
});
$this->assertEquals($a->invokeArgs(), 'a');
$this->assertEquals($b->invokeArgs(), 'b');
$this->assertNotEquals($this->readAttribute($a, 'callableName'), $this->readAttribute($b, 'callableName'));
$c = new ArrayBackedMemoizedCallable(function () {
return rand();
});
$this->assertEquals($c->invokeArgs(), $c->invokeArgs(), 'memoized random');
}
