function BlockRenderOrderTest::testBlockRenderOrder in Zircon Profile 8

Same name and namespace in other branches

1. 8.0 core/modules/block/src/Tests/BlockRenderOrderTest.php \Drupal\block\Tests\BlockRenderOrderTest::testBlockRenderOrder()

Tests the render order of the blocks.

File

core/modules/block/src/Tests/BlockRenderOrderTest.php, line 39

Contains \Drupal\block\Tests\BlockRenderOrderTest.

Class

BlockRenderOrderTest

Tests blocks are being rendered in order by weight.

Namespace

Drupal\block\Tests

Code

function testBlockRenderOrder() {

  // Enable test blocks and place them in the same region.
  $region = 'header';
  $test_blocks = array(
    'stark_powered' => array(
      'weight' => '-3',
      'id' => 'stark_powered',
      'label' => 'Test block A',
    ),
    'stark_by' => array(
      'weight' => '3',
      'id' => 'stark_by',
      'label' => 'Test block C',
    ),
    'stark_drupal' => array(
      'weight' => '3',
      'id' => 'stark_drupal',
      'label' => 'Test block B',
    ),
  );

  // Place the test blocks.
  foreach ($test_blocks as $test_block) {
    $this
      ->drupalPlaceBlock('system_powered_by_block', array(
      'label' => $test_block['label'],
      'region' => $region,
      'weight' => $test_block['weight'],
      'id' => $test_block['id'],
    ));
  }
  $this
    ->drupalGet('');
  $test_content = $this
    ->getRawContent('');
  $controller = $this->container
    ->get('entity.manager')
    ->getStorage('block');
  foreach ($controller
    ->loadMultiple() as $return_block) {
    $id = $return_block
      ->id();
    if ($return_block_weight = $return_block
      ->getWeight()) {
      $this
        ->assertTrue($test_blocks[$id]['weight'] == $return_block_weight, 'Block weight is set as "' . $return_block_weight . '" for ' . $id . ' block.');
      $position[$id] = strpos($test_content, Html::getClass('block-' . $test_blocks[$id]['id']));
    }
  }
  $this
    ->assertTrue($position['stark_powered'] < $position['stark_by'], 'Blocks with different weight are rendered in the correct order.');
  $this
    ->assertTrue($position['stark_drupal'] < $position['stark_by'], 'Blocks with identical weight are rendered in alphabetical order.');
}