Created ImplicitLoopPaginatorTest

module/Common/test/Paginator/Adapter/PaginableRepositoryAdapterTest.php

@@ -1,7 +1,7 @@
 <?php
 declare(strict_types=1);
 
-namespace ShlinkioTest\Shlink\Common\Paginator;
+namespace ShlinkioTest\Shlink\Common\Paginator\Adapter;
 
 use PHPUnit\Framework\TestCase;
 use Prophecy\Prophecy\ObjectProphecy;

module/Common/test/Paginator/ImplicitLoopPaginatorTest.php

@@ -0,0 +1,65 @@
+<?php
+declare(strict_types=1);
+
+namespace ShlinkioTest\Shlink\Common\Paginator;
+
+use PHPUnit\Framework\TestCase;
+use Shlinkio\Shlink\Common\Paginator\ImplicitLoopPaginator;
+use Zend\Paginator\Adapter\ArrayAdapter;
+use Zend\Paginator\Paginator;
+use function Functional\map;
+use function range;
+
+class ImplicitLoopPaginatorTest extends TestCase
+{
+    private const TOTAL_ITEMS = 10;
+
+    /** @var Paginator */
+    private $paginator;
+
+    protected function setUp(): void
+    {
+        $this->paginator = new Paginator(new ArrayAdapter(range(1, self::TOTAL_ITEMS)));
+    }
+
+    /**
+     * @test
+     * @dataProvider provideItemsPerPage
+     */
+    public function allElementsAreIteratedRegardlessThePageSize(int $itemsPerPage): void
+    {
+        $this->paginator->setItemCountPerPage($itemsPerPage);
+        $implicitLoopPaginator = new ImplicitLoopPaginator($this->paginator);
+
+        $iteratedItems = 0;
+        foreach ($implicitLoopPaginator as $item) {
+            $iteratedItems++;
+        }
+
+        $this->assertEquals(self::TOTAL_ITEMS, $iteratedItems);
+    }
+
+    public function provideItemsPerPage(): iterable
+    {
+        return map(range(1, 20), function (int $i) {
+            return [$i];
+        });
+    }
+
+    /** @test */
+    public function valuesWrappedInPaginatorAreProperlyParsed(): void
+    {
+        $valueParser = function (int $item) {
+            return $item * 3;
+        };
+        $this->paginator->setItemCountPerPage(5);
+        $implicitLoopPaginator = new ImplicitLoopPaginator($this->paginator, $valueParser);
+
+        $items = [];
+        foreach ($implicitLoopPaginator as $item) {
+            $items[] = $item;
+        }
+
+        $this->assertEquals([3, 6, 9, 12, 15, 18, 21, 24, 27, 30], $items);
+    }
+}