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Drupal 8.0.0 beta 12. More info: https://www.drupal.org/node/2514176

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Pantheon Automation 2015-08-17 17:00:26 -07:00 • committed by Greg Anderson
commit 9921556621
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core/modules/block/src/Tests/BlockCacheTest.php Normal file
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<?php
/**
* @file
* Contains \Drupal\block\Tests\BlockCacheTest.
*/
namespace Drupal\block\Tests;
use Drupal\Core\Cache\Cache;
use Drupal\simpletest\WebTestBase;
/**
* Tests block caching.
*
* @group block
*/
class BlockCacheTest extends WebTestBase {
/**
* Modules to install.
*
* @var array
*/
public static $modules = array('block', 'block_test', 'test_page_test');
/**
* A user with permission to create and edit books and to administer blocks.
*
* @var object
*/
protected $adminUser;
/**
* An authenticated user to test block caching.
*
* @var object
*/
protected $normalUser;
/**
* Another authenticated user to test block caching.
*
* @var object
*/
protected $normalUserAlt;
/**
* The block used by this test.
*
* @var \Drupal\block\BlockInterface
*/
protected $block;
protected function setUp() {
parent::setUp();
// Create an admin user, log in and enable test blocks.
$this->adminUser = $this->drupalCreateUser(array('administer blocks', 'access administration pages'));
$this->drupalLogin($this->adminUser);
// Create additional users to test caching modes.
$this->normalUser = $this->drupalCreateUser();
$this->normalUserAlt = $this->drupalCreateUser();
// Sync the roles, since drupalCreateUser() creates separate roles for
// the same permission sets.
$this->normalUserAlt->roles = $this->normalUser->getRoles();
$this->normalUserAlt->save();
// Enable our test block.
$this->block = $this->drupalPlaceBlock('test_cache');
}
/**
* Test "user.roles" cache context.
*/
function testCachePerRole() {
\Drupal::state()->set('block_test.cache_contexts', ['user.roles']);
// Enable our test block. Set some content for it to display.
$current_content = $this->randomMachineName();
\Drupal::state()->set('block_test.content', $current_content);
$this->drupalLogin($this->normalUser);
$this->drupalGet('');
$this->assertText($current_content, 'Block content displays.');
// Change the content, but the cached copy should still be served.
$old_content = $current_content;
$current_content = $this->randomMachineName();
\Drupal::state()->set('block_test.content', $current_content);
$this->drupalGet('');
$this->assertText($old_content, 'Block is served from the cache.');
// Clear the cache and verify that the stale data is no longer there.
Cache::invalidateTags(array('block_view'));
$this->drupalGet('');
$this->assertNoText($old_content, 'Block cache clear removes stale cache data.');
$this->assertText($current_content, 'Fresh block content is displayed after clearing the cache.');
// Test whether the cached data is served for the correct users.
$old_content = $current_content;
$current_content = $this->randomMachineName();
\Drupal::state()->set('block_test.content', $current_content);
$this->drupalLogout();
$this->drupalGet('');
$this->assertNoText($old_content, 'Anonymous user does not see content cached per-role for normal user.');
$this->drupalLogin($this->normalUserAlt);
$this->drupalGet('');
$this->assertText($old_content, 'User with the same roles sees per-role cached content.');
$this->drupalLogin($this->adminUser);
$this->drupalGet('');
$this->assertNoText($old_content, 'Admin user does not see content cached per-role for normal user.');
$this->drupalLogin($this->normalUser);
$this->drupalGet('');
$this->assertText($old_content, 'Block is served from the per-role cache.');
}
/**
* Test a cacheable block without any cache context.
*/
function testCacheGlobal() {
\Drupal::state()->set('block_test.cache_contexts', []);
$current_content = $this->randomMachineName();
\Drupal::state()->set('block_test.content', $current_content);
$this->drupalGet('');
$this->assertText($current_content, 'Block content displays.');
$old_content = $current_content;
$current_content = $this->randomMachineName();
\Drupal::state()->set('block_test.content', $current_content);
$this->drupalLogout();
$this->drupalGet('user');
$this->assertText($old_content, 'Block content served from cache.');
}
/**
* Test non-cacheable block.
*/
function testNoCache() {
$this->setBlockCacheConfig(array(
'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('');
$this->assertText($current_content, 'Block content displays.');
// A cached copy should not be served.
$current_content = $this->randomMachineName();
\Drupal::state()->set('block_test.content', $current_content);
$this->drupalGet('');
$this->assertText($current_content, 'Maximum age of zero prevents blocks from being cached.');
}
/**
* Test "user" cache context.
*/
function testCachePerUser() {
\Drupal::state()->set('block_test.cache_contexts', ['user']);
$current_content = $this->randomMachineName();
\Drupal::state()->set('block_test.content', $current_content);
$this->drupalLogin($this->normalUser);
$this->drupalGet('');
$this->assertText($current_content, 'Block content displays.');
$old_content = $current_content;
$current_content = $this->randomMachineName();
\Drupal::state()->set('block_test.content', $current_content);
$this->drupalGet('');
$this->assertText($old_content, 'Block is served from per-user cache.');
$this->drupalLogin($this->normalUserAlt);
$this->drupalGet('');
$this->assertText($current_content, 'Per-user block cache is not served for other users.');
$this->drupalLogin($this->normalUser);
$this->drupalGet('');
$this->assertText($old_content, 'Per-user block cache is persistent.');
}
/**
* Test "url" cache context.
*/
function testCachePerPage() {
\Drupal::state()->set('block_test.cache_contexts', ['url']);
$current_content = $this->randomMachineName();
\Drupal::state()->set('block_test.content', $current_content);
$this->drupalGet('test-page');
$this->assertText($current_content, 'Block content displays on the test page.');
$old_content = $current_content;
$current_content = $this->randomMachineName();
\Drupal::state()->set('block_test.content', $current_content);
$this->drupalGet('user');
$this->assertResponse(200);
$this->assertNoText($old_content, 'Block content cached for the test page does not show up for the user page.');
$this->drupalGet('test-page');
$this->assertResponse(200);
$this->assertText($old_content, 'Block content cached for the test page.');
}
/**
* Private helper method to set the test block's cache configuration.
*/
private function setBlockCacheConfig($cache_config) {
$block = $this->block->getPlugin();
$block->setConfigurationValue('cache', $cache_config);
$this->block->save();
}
}