function CKEditor4to5UpgradeCompletenessTest::testOnlyOneUpgradePluginAllowedPerCKEditor4Button

Tests that only one plugin can provide an upgrade path for a button.

File

core/modules/ckeditor5/tests/src/Kernel/CKEditor4to5UpgradeCompletenessTest.php, line 200

Class

CKEditor4to5UpgradeCompletenessTest

@covers \Drupal\ckeditor5\Plugin\CKEditor4To5Upgrade\Core @group ckeditor5 @internal

Namespace

Code

public function testOnlyOneUpgradePluginAllowedPerCKEditor4Button() : void {
    $this->enableModules([
        'ckeditor4to5upgrade_plugin_test',
    ]);
    \Drupal::state()->set('ckeditor4to5upgrade_plugin_test', 'duplicate_button');
    $this->expectException(\OutOfBoundsException::class);
    $this->expectExceptionMessage('The "DrupalImage" CKEditor 4 button is already being upgraded by the "core" CKEditor4To5Upgrade plugin, the "foo" plugin is as well. This conflict needs to be resolved.');
    $this->upgradePluginManager
        ->mapCKEditor4ToolbarButtonToCKEditor5ToolbarItem('foo', HTMLRestrictions::emptySet());
}