php-ml/tests/Phpml/NeuralNetwork/LayerTest.php
2016-08-05 10:20:31 +02:00

57 lines
1.4 KiB
PHP

<?php
declare (strict_types = 1);
namespace tests\Phpml\NeuralNetwork;
use Phpml\NeuralNetwork\Node\Bias;
use Phpml\NeuralNetwork\Layer;
use Phpml\NeuralNetwork\Node\Neuron;
class LayerTest extends \PHPUnit_Framework_TestCase
{
public function testLayerInitialization()
{
$layer = new Layer();
$this->assertEquals([], $layer->getNodes());
}
public function testLayerInitializationWithDefaultNodesType()
{
$layer = new Layer($number = 5);
$this->assertCount($number, $layer->getNodes());
foreach ($layer->getNodes() as $node) {
$this->assertInstanceOf(Neuron::class, $node);
}
}
public function testLayerInitializationWithExplicitNodesType()
{
$layer = new Layer($number = 5, $class = Bias::class);
$this->assertCount($number, $layer->getNodes());
foreach ($layer->getNodes() as $node) {
$this->assertInstanceOf($class, $node);
}
}
/**
* @expectedException \Phpml\Exception\InvalidArgumentException
*/
public function testThrowExceptionOnInvalidNodeClass()
{
new Layer(1, \stdClass::class);
}
public function testAddNodesToLayer()
{
$layer = new Layer();
$layer->addNode($node1 = new Neuron());
$layer->addNode($node2 = new Neuron());
$this->assertEquals([$node1, $node2], $layer->getNodes());
}
}