112 lines
2.3 KiB
PHP
112 lines
2.3 KiB
PHP
<?php
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namespace Rubix\ML\Tests\Graph\Nodes;
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use Rubix\ML\Graph\Nodes\Box;
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use Rubix\ML\Datasets\Labeled;
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use Rubix\ML\Graph\Nodes\Node;
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use Rubix\ML\Graph\Nodes\Hypercube;
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use Rubix\ML\Graph\Nodes\BinaryNode;
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use PHPUnit\Framework\TestCase;
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/**
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* @group Nodes
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* @covers \Rubix\ML\Graph\Nodes\Box
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*/
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class BoxTest extends TestCase
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{
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protected const COLUMN = 1;
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protected const VALUE = 3.;
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protected const SAMPLES = [
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[5., 2., -3],
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[6., 4., -5],
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];
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protected const LABELS = [22, 13];
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protected const MIN = [5., 2., -5];
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protected const MAX = [6., 4., -3];
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protected const BOX = [
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self::MIN, self::MAX,
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];
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/**
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* @var \Rubix\ML\Graph\Nodes\Box
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*/
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protected $node;
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/**
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* @before
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*/
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protected function setUp() : void
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{
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$groups = [
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Labeled::quick([self::SAMPLES[0]], [self::LABELS[0]]),
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Labeled::quick([self::SAMPLES[1]], [self::LABELS[1]]),
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];
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$this->node = new Box(self::COLUMN, self::VALUE, $groups, self::MIN, self::MAX);
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}
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/**
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* @test
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*/
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public function build() : void
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{
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$this->assertInstanceOf(Box::class, $this->node);
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$this->assertInstanceOf(Hypercube::class, $this->node);
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$this->assertInstanceOf(BinaryNode::class, $this->node);
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$this->assertInstanceOf(Node::class, $this->node);
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}
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/**
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* @test
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*/
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public function split() : void
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{
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$node = Box::split(Labeled::quick(self::SAMPLES, self::LABELS));
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$this->assertEquals(self::BOX, iterator_to_array($node->sides()));
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}
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/**
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* @test
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*/
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public function column() : void
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{
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$this->assertSame(self::COLUMN, $this->node->column());
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}
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/**
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* @test
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*/
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public function value() : void
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{
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$this->assertSame(self::VALUE, $this->node->value());
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}
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/**
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* @test
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*/
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public function groups() : void
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{
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$expected = [
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Labeled::quick([self::SAMPLES[0]], [self::LABELS[0]]),
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Labeled::quick([self::SAMPLES[1]], [self::LABELS[1]]),
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];
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$this->assertEquals($expected, $this->node->groups());
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}
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/**
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* @test
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*/
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public function sides() : void
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{
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$this->assertEquals(self::BOX, iterator_to_array($this->node->sides()));
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}
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}
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