NodeHelpTest.php

<?php

namespace Drupal\Tests\node\Functional;

use Drupal\Tests\BrowserTestBase;

/**
 * Tests help functionality for nodes.
 *
 * @group node
 */
class NodeHelpTest extends BrowserTestBase {
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    protected static $modules = [
        'block',
        'node',
        'help',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * The name of the test node type to create.
     *
     * @var string
     */
    protected $testType;
    
    /**
     * The test 'node help' text to be checked.
     *
     * @var string
     */
    protected $testText;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        // Create user.
        $admin_user = $this->drupalCreateUser([
            'administer content types',
            'administer nodes',
            'bypass node access',
        ]);
        $this->drupalLogin($admin_user);
        $this->drupalPlaceBlock('help_block');
        $this->testType = 'type';
        $this->testText = 'Help text to find on node forms.';
        // Create content type.
        $this->drupalCreateContentType([
            'type' => $this->testType,
            'help' => $this->testText,
        ]);
    }
    
    /**
     * Verifies that help text appears on node add/edit forms.
     */
    public function testNodeShowHelpText() {
        // Check the node add form.
        $this->drupalGet('node/add/' . $this->testType);
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->assertSession()
            ->pageTextContains($this->testText);
        // Create node and check the node edit form.
        $node = $this->drupalCreateNode([
            'type' => $this->testType,
        ]);
        $this->drupalGet('node/' . $node->id() . '/edit');
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->assertSession()
            ->pageTextContains($this->testText);
    }

}