function DisplayBlockTest::testDeleteBlockDisplay

Tests removing a block display.

File

core/modules/block/tests/src/Functional/Views/DisplayBlockTest.php, line 146

Class

DisplayBlockTest

Tests the block display plugin.

Namespace

Code

public function testDeleteBlockDisplay() : void {
    // To test all combinations possible we first place create two instances
    // of the block display of the first view.
    $block_1 = $this->drupalPlaceBlock('views_block:test_view_block-block_1', [
        'label' => 'test_view_block-block_1:1',
    ]);
    $block_2 = $this->drupalPlaceBlock('views_block:test_view_block-block_1', [
        'label' => 'test_view_block-block_1:2',
    ]);
    // Then we add one instance of blocks for each of the two displays of the
    // second view.
    $block_3 = $this->drupalPlaceBlock('views_block:test_view_block2-block_1', [
        'label' => 'test_view_block2-block_1',
    ]);
    $block_4 = $this->drupalPlaceBlock('views_block:test_view_block2-block_2', [
        'label' => 'test_view_block2-block_2',
    ]);
    $this->drupalGet('test-page');
    $this->assertBlockAppears($block_1);
    $this->assertBlockAppears($block_2);
    $this->assertBlockAppears($block_3);
    $this->assertBlockAppears($block_4);
    $block_storage = $this->container
        ->get('entity_type.manager')
        ->getStorage('block');
    // Remove the block display, so both block entities from the first view
    // should both disappear.
    $view = Views::getView('test_view_block');
    $view->initDisplay();
    $view->displayHandlers
        ->remove('block_1');
    $view->storage
        ->save();
    $this->assertNull($block_storage->load($block_1->id()), 'The block for this display was removed.');
    $this->assertNull($block_storage->load($block_2->id()), 'The block for this display was removed.');
    $this->assertNotEmpty($block_storage->load($block_3->id()), 'A block from another view was unaffected.');
    $this->assertNotEmpty($block_storage->load($block_4->id()), 'A block from another view was unaffected.');
    $this->drupalGet('test-page');
    $this->assertNoBlockAppears($block_1);
    $this->assertNoBlockAppears($block_2);
    $this->assertBlockAppears($block_3);
    $this->assertBlockAppears($block_4);
    // Remove the first block display of the second view and ensure the block
    // instance of the second block display still exists.
    $view = Views::getView('test_view_block2');
    $view->initDisplay();
    $view->displayHandlers
        ->remove('block_1');
    $view->storage
        ->save();
    $this->assertNull($block_storage->load($block_3->id()), 'The block for this display was removed.');
    $this->assertNotEmpty($block_storage->load($block_4->id()), 'A block from another display on the same view was unaffected.');
    $this->drupalGet('test-page');
    $this->assertNoBlockAppears($block_3);
    $this->assertBlockAppears($block_4);
}