NodeIntegrationTest.php

<?php

namespace Drupal\Tests\node\Functional\Views;


/**
 * Tests the node integration into views.
 *
 * @group node
 */
class NodeIntegrationTest extends NodeTestBase {
    
    /**
     * Views used by this test.
     *
     * @var array
     */
    public static $testViews = [
        'test_node_view',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * Tests basic node view with a node type argument.
     */
    public function testNodeViewTypeArgument() {
        // Create two content types with three nodes each.
        $types = [];
        $all_nids = [];
        for ($i = 0; $i < 2; $i++) {
            $type = $this->drupalCreateContentType([
                'name' => '<em>' . $this->randomMachineName() . '</em>',
            ]);
            $types[] = $type;
            for ($j = 0; $j < 5; $j++) {
                // Ensure the right order of the nodes.
                $node = $this->drupalCreateNode([
                    'type' => $type->id(),
                    'created' => REQUEST_TIME - ($i * 5 + $j),
                ]);
                $nodes[$type->id()][$node->id()] = $node;
                $all_nids[] = $node->id();
            }
        }
        $this->drupalGet('test-node-view');
        $this->assertSession()
            ->statusCodeEquals(404);
        $this->drupalGet('test-node-view/all');
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->assertNids($all_nids);
        foreach ($types as $type) {
            $this->drupalGet("test-node-view/{$type->id()}");
            $this->assertSession()
                ->assertEscaped($type->label());
            $this->assertNids(array_keys($nodes[$type->id()]));
        }
    }
    
    /**
     * Ensures that a list of nodes appear on the page.
     *
     * @param array $expected_nids
     *   An array of node IDs.
     *
     * @internal
     */
    protected function assertNids(array $expected_nids = []) : void {
        $result = $this->xpath('//span[@class="field-content"]');
        $nids = [];
        foreach ($result as $element) {
            $nids[] = (int) $element->getText();
        }
        $this->assertEquals($expected_nids, $nids);
    }

}