ItemsPerPageTest.php

<?php

namespace Drupal\Tests\views\Functional\Wizard;


/**
 * Tests that the views wizard can specify the number of items per page.
 *
 * @group views
 */
class ItemsPerPageTest extends WizardTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp($import_test_views = TRUE, $modules = []) : void {
        parent::setUp($import_test_views, $modules);
        $this->drupalPlaceBlock('page_title_block');
    }
    
    /**
     * Tests the number of items per page.
     */
    public function testItemsPerPage() {
        $this->drupalCreateContentType([
            'type' => 'article',
        ]);
        // Create articles, each with a different creation time so that we can do a
        // meaningful sort.
        $node1 = $this->drupalCreateNode([
            'type' => 'article',
            'created' => REQUEST_TIME,
        ]);
        $node2 = $this->drupalCreateNode([
            'type' => 'article',
            'created' => REQUEST_TIME + 1,
        ]);
        $node3 = $this->drupalCreateNode([
            'type' => 'article',
            'created' => REQUEST_TIME + 2,
        ]);
        $node4 = $this->drupalCreateNode([
            'type' => 'article',
            'created' => REQUEST_TIME + 3,
        ]);
        $node5 = $this->drupalCreateNode([
            'type' => 'article',
            'created' => REQUEST_TIME + 4,
        ]);
        // Create a page. This should never appear in the view created below.
        $page_node = $this->drupalCreateNode([
            'type' => 'page',
            'created' => REQUEST_TIME + 2,
        ]);
        // Create a view that sorts newest first, and shows 4 items in the page and
        // 3 in the block.
        $view = [];
        $view['label'] = $this->randomMachineName(16);
        $view['id'] = strtolower($this->randomMachineName(16));
        $view['description'] = $this->randomMachineName(16);
        $view['show[wizard_key]'] = 'node';
        $view['show[type]'] = 'article';
        $view['show[sort]'] = 'node_field_data-created:DESC';
        $view['page[create]'] = 1;
        $view['page[title]'] = $this->randomMachineName(16);
        $view['page[path]'] = $this->randomMachineName(16);
        $view['page[items_per_page]'] = 4;
        $view['block[create]'] = 1;
        $view['block[title]'] = $this->randomMachineName(16);
        $view['block[items_per_page]'] = 3;
        $this->drupalGet('admin/structure/views/add');
        $this->submitForm($view, 'Save and edit');
        // Uncheck items per page in block settings.
        $this->drupalGet($this->getSession()
            ->getCurrentUrl() . '/edit/block_1');
        $this->clickLink('Items per page');
        $this->assertSession()
            ->checkboxChecked('allow[items_per_page]');
        $this->getSession()
            ->getPage()
            ->uncheckField('allow[items_per_page]');
        $this->getSession()
            ->getPage()
            ->pressButton('Apply');
        $this->getSession()
            ->getPage()
            ->pressButton('Save');
        // Check items per page in block settings.
        $this->drupalGet('admin/structure/views/nojs/display/' . $view['id'] . '/block_1/allow');
        $this->assertSession()
            ->checkboxNotChecked('allow[items_per_page]');
        $this->getSession()
            ->getPage()
            ->checkField('allow[items_per_page]');
        $this->getSession()
            ->getPage()
            ->pressButton('Apply');
        $this->getSession()
            ->getPage()
            ->pressButton('Save');
        // Ensure that items per page checkbox remains checked.
        $this->clickLink('Items per page');
        $this->assertSession()
            ->checkboxChecked('allow[items_per_page]');
        $this->drupalGet($view['page[path]']);
        $this->assertSession()
            ->statusCodeEquals(200);
        // Make sure the page display shows the nodes we expect, and that they
        // appear in the expected order.
        $this->assertSession()
            ->addressEquals($view['page[path]']);
        $this->assertSession()
            ->pageTextContains($view['page[title]']);
        $content = $this->getSession()
            ->getPage()
            ->getContent();
        $this->assertSession()
            ->pageTextContains($node5->label());
        $this->assertSession()
            ->pageTextContains($node4->label());
        $this->assertSession()
            ->pageTextContains($node3->label());
        $this->assertSession()
            ->pageTextContains($node2->label());
        $this->assertSession()
            ->pageTextNotContains($node1->label());
        $this->assertSession()
            ->pageTextNotContains($page_node->label());
        $pos5 = strpos($content, $node5->label());
        $pos4 = strpos($content, $node4->label());
        $pos3 = strpos($content, $node3->label());
        $pos2 = strpos($content, $node2->label());
        $this->assertGreaterThan($pos5, $pos4);
        $this->assertGreaterThan($pos4, $pos3);
        $this->assertGreaterThan($pos3, $pos2);
        // Confirm that the block is listed in the block administration UI.
        $this->drupalGet('admin/structure/block/list/' . $this->config('system.theme')
            ->get('default'));
        $this->clickLink('Place block');
        $this->assertSession()
            ->pageTextContains($view['label']);
        // Place the block, visit a page that displays the block, and check that the
        // nodes we expect appear in the correct order.
        $this->drupalPlaceBlock("views_block:{$view['id']}-block_1");
        $this->drupalGet('user');
        $content = $this->getSession()
            ->getPage()
            ->getContent();
        $this->assertSession()
            ->pageTextContains($node5->label());
        $this->assertSession()
            ->pageTextContains($node4->label());
        $this->assertSession()
            ->pageTextContains($node3->label());
        $this->assertSession()
            ->pageTextNotContains($node2->label());
        $this->assertSession()
            ->pageTextNotContains($node1->label());
        $this->assertSession()
            ->pageTextNotContains($page_node->label());
        $pos5 = strpos($content, $node5->label());
        $pos4 = strpos($content, $node4->label());
        $pos3 = strpos($content, $node3->label());
        $this->assertGreaterThan($pos5, $pos4);
        $this->assertGreaterThan($pos4, $pos3);
    }

}