public function BlockCacheTest::testNoCache in Drupal 9

Same name and namespace in other branches

1. 8 core/modules/block/tests/src/Functional/BlockCacheTest.php \Drupal\Tests\block\Functional\BlockCacheTest::testNoCache()
2. 10 core/modules/block/tests/src/Functional/BlockCacheTest.php \Drupal\Tests\block\Functional\BlockCacheTest::testNoCache()

Tests non-cacheable block.

File

core/modules/block/tests/src/Functional/BlockCacheTest.php, line 160

Class

BlockCacheTest

Tests block caching.

Namespace

Drupal\Tests\block\Functional

Code

public function testNoCache() {
  \Drupal::state()
    ->set('block_test.cache_max_age', 0);
  $current_content = $this
    ->randomMachineName();
  \Drupal::state()
    ->set('block_test.content', $current_content);

  // If max_age = 0 has no effect, the next request would be cached.
  $this
    ->drupalGet('');
  $this
    ->assertSession()
    ->pageTextContains($current_content);

  // A cached copy should not be served.
  $current_content = $this
    ->randomMachineName();
  \Drupal::state()
    ->set('block_test.content', $current_content);
  $this
    ->drupalGet('');

  // Maximum age of zero prevents blocks from being cached.
  $this
    ->assertSession()
    ->pageTextContains($current_content);
}