function BlockUiTest::testContextAwareBlocks

Tests the behavior of context-aware blocks.

File

core/modules/block/tests/src/Functional/BlockUiTest.php, line 224

Class

BlockUiTest

Tests that the block configuration UI exists and stores data correctly.

Namespace

Code

public function testContextAwareBlocks() : void {
  $expected_text = '<div id="test_context_aware--username">' . \Drupal::currentUser()->getAccountName() . '</div>';
  $this->drupalGet('');
  $this->assertSession()
    ->pageTextNotContains('Test context-aware block');
  $this->assertSession()
    ->responseNotContains($expected_text);
  $block_url = 'admin/structure/block/add/test_context_aware/stark';
  $this->drupalGet('admin/structure/block');
  $this->clickLink('Place block');
  $this->assertSession()
    ->elementExists('xpath', '//tr[.//td/div[text()="Test context-aware block"] and .//td[text()="Block test"] and .//td//a[contains(@href, "' . $block_url . '")]]');
  $definition = \Drupal::service('plugin.manager.block')->getDefinition('test_context_aware');
  $this->assertNotEmpty($definition, 'The context-aware test block exists.');
  $edit = [
    'region' => 'content',
    'settings[context_mapping][user]' => '@block_test.multiple_static_context:userB',
  ];
  $this->drupalGet($block_url);
  $this->submitForm($edit, 'Save block');
  $this->drupalGet('');
  $this->assertSession()
    ->pageTextContains('Test context-aware block');
  $this->assertSession()
    ->pageTextContains('User context found.');
  $this->assertSession()
    ->responseContains($expected_text);
  // Test context mapping form element is not visible if there are no valid
  // context options for the block (the test_context_aware_no_valid_context_options
  // block has one context defined which is not available for it on the
  // Block Layout interface).
  $this->drupalGet('admin/structure/block/add/test_context_aware_no_valid_context_options/stark');
  $this->assertSession()
    ->fieldNotExists('edit-settings-context-mapping-email');
  // Test context mapping allows empty selection for optional contexts.
  $this->drupalGet('admin/structure/block/manage/stark_testcontextawareblock');
  $edit = [
    'settings[context_mapping][user]' => '',
  ];
  $this->submitForm($edit, 'Save block');
  $this->drupalGet('');
  $this->assertSession()
    ->pageTextContains('No context mapping selected.');
  $this->assertSession()
    ->pageTextNotContains('User context found.');
  // Tests that conditions with missing context are not displayed.
  $this->drupalGet('admin/structure/block/manage/stark_testcontextawareblock');
  $this->assertSession()
    ->responseNotContains('No existing type');
  $this->assertSession()
    ->elementNotExists('xpath', '//*[@name="visibility[condition_test_no_existing_type][negate]"]');
}