sblum-symfony--testproductlist.php

<?php
class ProductListTest extends \PHPUnit_Framework_TestCase
{
  public function testProductList()
  {
    $listedProduct = $this->prophesize(ProductListInterface::class);
    $listedProduct->isListed()->willReturn(true);
    $notListedProduct = $this->prophesize(ProductListInterface::class);
    $notListedProduct->isListed()->willReturn(false);

    $productList = new ProductList(
      [
        $listedProduct->reveal(),
        $notListedProduct->reveal(),
      ]
    );

    $this->assertCount(1, $productList->getListedProducts());
    $this->assertContains($listedProduct->reveal(),
    $productList->getListedProducts());
  }
}