function DisplayExtenderTest::testDisplayExtenders

Tests display extenders.

File

core/modules/views/tests/src/Kernel/Plugin/DisplayExtenderTest.php, line 29

Class

DisplayExtenderTest

Tests the display extender plugins.

Namespace

Code

public function testDisplayExtenders() : void {
    $this->config('views.settings')
        ->set('display_extenders', [
        'display_extender_test',
    ])
        ->save();
    $this->assertCount(1, Views::getEnabledDisplayExtenders(), 'Make sure that there is only one enabled display extender.');
    $view = Views::getView('test_view');
    $view->initDisplay();
    $this->assertCount(1, $view->display_handler
        ->getExtenders(), 'Make sure that only one extender is initialized.');
    $display_extender = $view->display_handler
        ->getExtenders()['display_extender_test'];
    $this->assertInstanceOf(DisplayExtenderTestData::class, $display_extender);
    $view->preExecute();
    $this->assertTrue($display_extender->testState['preExecute'], 'Make sure the display extender was able to react on preExecute.');
    $view->execute();
    $this->assertTrue($display_extender->testState['query'], 'Make sure the display extender was able to react on query.');
}