php-ml/tests/Helper/Optimizer/OptimizerTest.php

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<?php
declare(strict_types=1);
namespace Phpml\Tests\Helper\Optimizer;
use Phpml\Exception\InvalidArgumentException;
use Phpml\Helper\Optimizer\Optimizer;
use PHPUnit\Framework\TestCase;
class OptimizerTest extends TestCase
{
public function testThrowExceptionWithInvalidTheta(): void
{
$this->expectException(InvalidArgumentException::class);
$this->expectExceptionMessage('Number of values in the weights array should be 3');
/** @var Optimizer $optimizer */
$optimizer = $this->getMockForAbstractClass(Optimizer::class, [3]);
$optimizer->setTheta([]);
}
public function testSetTheta(): void
{
/** @var Optimizer $optimizer */
$optimizer = $this->getMockForAbstractClass(Optimizer::class, [2]);
$object = $optimizer->setTheta([0.3, 1]);
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self::assertSame($object, $optimizer);
self::assertSame([0.3, 1], $object->theta());
}
}