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726cf4cddf
* travis: move coveralls here, decouple from package * composer: use PSR4 * phpunit: simpler config * travis: add ecs run * composer: add ecs dev * use standard vendor/bin directory for dependency bins, confuses with local bins and require gitignore handling * ecs: add PSR2 * [cs] PSR2 spacing fixes * [cs] PSR2 class name fix * [cs] PHP7 fixes - return semicolon spaces, old rand functions, typehints * [cs] fix less strict typehints * fix typehints to make tests pass * ecs: ignore typehint-less elements * [cs] standardize arrays * [cs] standardize docblock, remove unused comments * [cs] use self where possible * [cs] sort class elements, from public to private * [cs] do not use yoda (found less yoda-cases, than non-yoda) * space * [cs] do not assign in condition * [cs] use namespace imports if possible * [cs] use ::class over strings * [cs] fix defaults for arrays properties, properties and constants single spacing * cleanup ecs comments * [cs] use item per line in multi-items array * missing line * misc * rebase
66 lines
1.8 KiB
PHP
66 lines
1.8 KiB
PHP
<?php
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declare(strict_types=1);
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namespace tests\Phpml\NeuralNetwork\Node;
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use Phpml\NeuralNetwork\ActivationFunction\BinaryStep;
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use Phpml\NeuralNetwork\Node\Neuron;
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use Phpml\NeuralNetwork\Node\Neuron\Synapse;
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use PHPUnit\Framework\TestCase;
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use PHPUnit_Framework_MockObject_MockObject;
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class NeuronTest extends TestCase
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{
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public function testNeuronInitialization(): void
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{
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$neuron = new Neuron();
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$this->assertEquals([], $neuron->getSynapses());
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$this->assertEquals(0.5, $neuron->getOutput());
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}
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public function testNeuronActivationFunction(): void
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{
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$activationFunction = $this->getMockBuilder(BinaryStep::class)->getMock();
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$activationFunction->method('compute')->with(0)->willReturn($output = 0.69);
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$neuron = new Neuron($activationFunction);
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$this->assertEquals($output, $neuron->getOutput());
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}
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public function testNeuronWithSynapse(): void
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{
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$neuron = new Neuron();
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$neuron->addSynapse($synapse = $this->getSynapseMock());
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$this->assertEquals([$synapse], $neuron->getSynapses());
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$this->assertEquals(0.88, $neuron->getOutput(), '', 0.01);
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}
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public function testNeuronRefresh(): void
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{
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$neuron = new Neuron();
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$neuron->getOutput();
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$neuron->addSynapse($this->getSynapseMock());
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$this->assertEquals(0.5, $neuron->getOutput(), '', 0.01);
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$neuron->reset();
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$this->assertEquals(0.88, $neuron->getOutput(), '', 0.01);
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}
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/**
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* @return Synapse|PHPUnit_Framework_MockObject_MockObject
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*/
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private function getSynapseMock(int $output = 2)
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{
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$synapse = $this->getMockBuilder(Synapse::class)->disableOriginalConstructor()->getMock();
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$synapse->method('getOutput')->willReturn($output);
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return $synapse;
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}
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}
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