function BlockCacheTest::testCachePermissions

Tests a cacheable block without any additional cache context.

File

core/modules/block/tests/src/Functional/BlockCacheTest.php, line 135

Class

BlockCacheTest

Tests block caching.

Namespace

Code

public function testCachePermissions() : void {
    // user.permissions is a required context, so a user with different
    // permissions will see a different version of the block.
    \Drupal::state()->set('block_test.cache_contexts', []);
    $current_content = $this->randomMachineName();
    \Drupal::state()->set('block_test.content', $current_content);
    $this->drupalGet('');
    $this->assertSession()
        ->pageTextContains($current_content);
    $old_content = $current_content;
    $current_content = $this->randomMachineName();
    \Drupal::state()->set('block_test.content', $current_content);
    // Block content served from cache.
    $this->drupalGet('user');
    $this->assertSession()
        ->pageTextContains($old_content);
    // Block content not served from cache.
    $this->drupalLogout();
    $this->drupalGet('user');
    $this->assertSession()
        ->pageTextContains($current_content);
}