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