public function BlockInstallTest::testCacheTagInvalidationUponInstallation in Drupal 9

Same name and namespace in other branches

1. 8 core/modules/block/tests/src/Functional/BlockInstallTest.php \Drupal\Tests\block\Functional\BlockInstallTest::testCacheTagInvalidationUponInstallation()

File

core/modules/block/tests/src/Functional/BlockInstallTest.php, line 19

Class

BlockInstallTest

Tests block module's installation.

Namespace

Drupal\Tests\block\Functional

Code

public function testCacheTagInvalidationUponInstallation() {

  // Warm the page cache.
  $this
    ->drupalGet('');
  $this
    ->assertSession()
    ->pageTextNotContains('Powered by Drupal');
  $this
    ->assertSession()
    ->responseHeaderNotContains('X-Drupal-Cache-Tags', 'config:block_list');

  // Install the block module, and place the "Powered by Drupal" block.
  $this->container
    ->get('module_installer')
    ->install([
    'block',
    'shortcut',
  ]);
  $this
    ->rebuildContainer();
  $this
    ->drupalPlaceBlock('system_powered_by_block');

  // Check the same page, block.module's hook_install() should have
  // invalidated the 'rendered' cache tag to make blocks show up.
  $this
    ->drupalGet('');
  $this
    ->assertSession()
    ->responseHeaderContains('X-Drupal-Cache-Tags', 'config:block_list');
  $this
    ->assertSession()
    ->pageTextContains('Powered by Drupal');
}