trait AssertBlockAppearsTrait
Provides test assertions for testing block appearance.
Can be used by test classes that extend \Drupal\Tests\BrowserTestBase.
Hierarchy
- trait \Drupal\Tests\block\Functional\AssertBlockAppearsTrait
2 files declare their use of AssertBlockAppearsTrait
- DisplayBlockTest.php in core/modules/ block/ tests/ src/ Functional/ Views/ DisplayBlockTest.php 
- ShortcutLinksTest.php in core/modules/ shortcut/ tests/ src/ Functional/ ShortcutLinksTest.php 
File
- 
              core/modules/ block/ tests/ src/ Functional/ AssertBlockAppearsTrait.php, line 12 
Namespace
Drupal\Tests\block\FunctionalView source
trait AssertBlockAppearsTrait {
  
  /**
   * Checks to see whether a block appears on the page.
   *
   * @param \Drupal\block\Entity\Block $block
   *   The block entity to find on the page.
   */
  protected function assertBlockAppears(Block $block) {
    $this->assertSession()
      ->elementExists('xpath', "//div[@id = 'block-{$block->id()}']");
  }
  
  /**
   * Checks to see whether a block does not appears on the page.
   *
   * @param \Drupal\block\Entity\Block $block
   *   The block entity to find on the page.
   */
  protected function assertNoBlockAppears(Block $block) {
    $this->assertSession()
      ->elementNotExists('xpath', "//div[@id = 'block-{$block->id()}']");
  }
  
  /**
   * Find a block instance on the page.
   *
   * @param \Drupal\block\Entity\Block $block
   *   The block entity to find on the page.
   *
   * @return array
   *   The result from the xpath query.
   *
   * @deprecated in drupal:9.5.0 and is removed from drupal:11.0.0. There is no
   *   replacement.
   *
   * @see https://www.drupal.org/node/3293310
   */
  protected function findBlockInstance(Block $block) {
    @trigger_error(__METHOD__ . '() is deprecated in drupal:9.5.0 and is removed from drupal:11.0.0. There is no replacement. See https://www.drupal.org/node/3293310', E_USER_DEPRECATED);
    return $this->xpath('//div[@id = :id]', [
      ':id' => 'block-' . $block->id(),
    ]);
  }
}Members
| Title Sort descending | Deprecated | Modifiers | Object type | Summary | 
|---|---|---|---|---|
| AssertBlockAppearsTrait::assertBlockAppears | protected | function | Checks to see whether a block appears on the page. | |
| AssertBlockAppearsTrait::assertNoBlockAppears | protected | function | Checks to see whether a block does not appears on the page. | |
| AssertBlockAppearsTrait::findBlockInstance | Deprecated | protected | function | Find a block instance on the page. | 
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