HooksExampleTest.php

<?php

namespace Drupal\Tests\hooks_example\Functional;

use Drupal\Tests\BrowserTestBase;

/**
 * Test the functionality of the Hooks Example module.
 *
 * @ingroup hooks_example
 *
 * @group hooks_example
 * @group examples
 */
class HooksExampleTest extends BrowserTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'help',
        'hooks_example',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $profile = 'minimal';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->createContentType([
            'type' => 'page',
        ]);
        $account = $this->drupalCreateUser([
            'access administration pages',
        ]);
        $this->drupalLogin($account);
    }
    
    /**
     * Test the output of the example page.
     */
    public function testHooksExample() {
        // Make sure our menus and links work.
        $this->drupalGet('<front>');
        $this->assertSession()
            ->linkExists('Hooks Example');
        // Test the description page at examples/hook-example returns a 200.
        $this->drupalGet('examples/hooks-example');
        $this->assertSession()
            ->statusCodeEquals(200);
        // Test that our implementation of hook_help() works.
        $this->drupalGet('admin/help/hooks_example');
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->assertSession()
            ->pageTextContains('This text is provided by the function hooks_example_help()');
        // Test that our implementation of hook_node_view() works.
        // Create a new node.
        $settings = [
            'type' => 'page',
            'title' => 'Hooks Example Testing Node',
            'status' => 1,
        ];
        $node = $this->drupalCreateNode($settings);
        $this->drupalGet($node->toUrl());
        // Test that the output added to the page by hooks_example_node_view() is
        // present. Which also tests that our page view counting was initialized.
        $this->assertSession()
            ->pageTextContains('You have viewed this node 1 times this session.');
        // Tests that the message set by
        // hooks_example_hooks_example_count_incremented() is displayed on the page.
        // Which also has the effect of testing to see wehther or not our custom
        // hook is being invoked.
        $this->assertSession()
            ->pageTextContains('This is the first time you have viewed the node ' . $node->label() . '.');
        // Navigate to a new page, and then back and verify the counter was updated.
        $this->drupalGet('<front>');
        $this->drupalGet($node->toUrl());
        $this->assertSession()
            ->pageTextContains('You have viewed this node 2 times this session.');
        $this->assertSession()
            ->pageTextNotContains('This is the first time you have viewed the node ' . $node->label() . '.');
        // Test our implementation of hook_form_alter().
        $this->drupalLogout();
        $this->drupalGet('user/login');
        $this->assertSession()
            ->pageTextContains('This text has been altered by hooks_example_form_alter().');
    }

}