FilterDefaultFormatTest.php

<?php

namespace Drupal\Tests\filter\Functional;

use Drupal\filter\Entity\FilterFormat;
use Drupal\Tests\BrowserTestBase;

/**
 * Tests the default text formats for different users.
 *
 * @group filter
 */
class FilterDefaultFormatTest extends BrowserTestBase {
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    protected static $modules = [
        'filter',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * Tests if the default text format is accessible to users.
     */
    public function testDefaultTextFormats() {
        // Create two text formats, and two users. The first user has access to
        // both formats, but the second user only has access to the second one.
        $admin_user = $this->drupalCreateUser([
            'administer filters',
        ]);
        $this->drupalLogin($admin_user);
        $formats = [];
        for ($i = 0; $i < 2; $i++) {
            $edit = [
                'format' => mb_strtolower($this->randomMachineName()),
                'name' => $this->randomMachineName(),
            ];
            $this->drupalGet('admin/config/content/formats/add');
            $this->submitForm($edit, 'Save configuration');
            $this->resetFilterCaches();
            $formats[] = FilterFormat::load($edit['format']);
        }
        [
            $first_format,
            $second_format,
        ] = $formats;
        $second_format_permission = $second_format->getPermissionName();
        $first_user = $this->drupalCreateUser([
            $first_format->getPermissionName(),
            $second_format_permission,
        ]);
        $second_user = $this->drupalCreateUser([
            $second_format_permission,
        ]);
        // Adjust the weights so that the first and second formats (in that order)
        // are the two lowest weighted formats available to any user.
        $edit = [];
        $edit['formats[' . $first_format->id() . '][weight]'] = -2;
        $edit['formats[' . $second_format->id() . '][weight]'] = -1;
        $this->drupalGet('admin/config/content/formats');
        $this->submitForm($edit, 'Save');
        $this->resetFilterCaches();
        // Check that each user's default format is the lowest weighted format that
        // the user has access to.
        $actual = filter_default_format($first_user);
        $expected = $first_format->id();
        $this->assertEquals($expected, $actual, "First user's default format {$actual} is the expected lowest weighted format {$expected} that the user has access to.");
        $actual = filter_default_format($second_user);
        $expected = $second_format->id();
        $this->assertEquals($expected, $actual, "Second user's default format {$actual} is the expected lowest weighted format {$expected} that the user has access to, and different to the first user's.");
        // Reorder the two formats, and check that both users now have the same
        // default.
        $edit = [];
        $edit['formats[' . $second_format->id() . '][weight]'] = -3;
        $this->drupalGet('admin/config/content/formats');
        $this->submitForm($edit, 'Save');
        $this->resetFilterCaches();
        $this->assertEquals(filter_default_format($first_user), filter_default_format($second_user), 'After the formats are reordered, both users have the same default format.');
    }
    
    /**
     * Rebuilds text format and permission caches in the thread running the tests.
     */
    protected function resetFilterCaches() {
        filter_formats_reset();
    }

}