Update to drupal 8.0.0-rc1. For more information, see https://www.drupal.org/node/2582663

vendor/symfony-cmf/routing/Tests/Routing/PagedRouteCollectionTest.php

@@ -0,0 +1,132 @@
+<?php
+
+/*
+ * This file is part of the Symfony CMF package.
+ *
+ * (c) 2011-2014 Symfony CMF
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Cmf\Component\Routing;
+
+use Symfony\Cmf\Component\Routing\Test\CmfUnitTestCase;
+use Symfony\Component\Routing\Route;
+
+/**
+ * Tests the page route collection.
+ *
+ * @group cmf/routing
+ */
+class PagedRouteCollectionTest extends CmfUnitTestCase
+{
+    /**
+     * Contains a mocked route provider.
+     *
+     * @var \Symfony\Cmf\Component\Routing\PagedRouteProviderInterface|\PHPUnit_Framework_MockObject_MockObject
+     */
+    protected $routeProvider;
+
+    protected function setUp()
+    {
+        $this->routeProvider = $this->getMock('Symfony\Cmf\Component\Routing\PagedRouteProviderInterface');
+    }
+
+    /**
+     * Tests iterating a small amount of routes.
+     *
+     * @dataProvider providerIterator
+     */
+    public function testIterator($amountRoutes, $routesLoadedInParallel, $expectedCalls = array())
+    {
+        $routes = array();
+        for ($i = 0; $i < $amountRoutes; $i++) {
+            $routes['test_' . $i] = new Route("/example-$i");
+        }
+        $names = array_keys($routes);
+
+        foreach ($expectedCalls as $i => $range)
+        {
+            $this->routeProvider->expects($this->at($i))
+              ->method('getRoutesPaged')
+              ->with($range[0], $range[1])
+              ->will($this->returnValue(array_slice($routes, $range[0], $range[1])));
+        }
+
+        $route_collection = new PagedRouteCollection($this->routeProvider, $routesLoadedInParallel);
+
+        $counter = 0;
+        foreach ($route_collection as $route_name => $route) {
+            // Ensure the route did not changed.
+            $this->assertEquals($routes[$route_name], $route);
+            // Ensure that the order did not changed.
+            $this->assertEquals($route_name, $names[$counter]);
+            $counter++;
+        }
+    }
+
+    /**
+     * Provides test data for testIterator().
+     */
+    public function providerIterator()
+    {
+        $data = array();
+        // Non total routes.
+        $data[] = array(0, 20, array(array(0, 20)));
+        // Less total routes than loaded in parallel.
+        $data[] = array(10, 20, array(array(0, 20)));
+        // Exact the same amount of routes then loaded in parallel.
+        $data[] = array(20, 20, array(array(0, 20), array(20, 20)));
+        // Less than twice the amount.
+        $data[] = array(39, 20, array(array(0, 20), array(20, 20)));
+        // More total routes than loaded in parallel.
+        $data[] = array(40, 20, array(array(0, 20), array(20, 20), array(40, 20)));
+        $data[] = array(41, 20, array(array(0, 20), array(20, 20), array(40, 20)));
+        // why not.
+        $data[] = array(42, 23, array(array(0, 23), array(23, 23)));
+        return $data;
+    }
+
+    /**
+     * Tests the count() method.
+     */
+    public function testCount()
+    {
+        $this->routeProvider->expects($this->once())
+            ->method('getRoutesCount')
+            ->will($this->returnValue(12));
+        $routeCollection = new PagedRouteCollection($this->routeProvider);
+        $this->assertEquals(12, $routeCollection->count());
+    }
+
+    /**
+     * Tests the rewind method once the iterator is at the end.
+     */
+    public function testIteratingAndRewind()
+    {
+        $routes = array();
+        for ($i = 0; $i < 30; $i++) {
+            $routes['test_' . $i] = new Route("/example-$i");
+        }
+        $this->routeProvider->expects($this->any())
+            ->method('getRoutesPaged')
+            ->will($this->returnValueMap(array(
+                array(0, 10, array_slice($routes, 0, 10)),
+                array(10, 10, array_slice($routes, 9, 10)),
+                array(20, 10, array()),
+            )));
+
+        $routeCollection = new PagedRouteCollection($this->routeProvider, 10);
+
+        // Force the iterating process.
+        $routeCollection->rewind();
+        for ($i = 0; $i < 29; $i++) {
+            $routeCollection->next();
+        }
+        $routeCollection->rewind();
+
+        $this->assertEquals('test_0', $routeCollection->key());
+        $this->assertEquals($routes['test_0'], $routeCollection->current());
+    }
+}