function EndOfTransactionQueriesTest::testEntitySave

File

core/tests/Drupal/KernelTests/Core/Cache/EndOfTransactionQueriesTest.php, line 66

Class

EndOfTransactionQueriesTest

Tests that cache tag invalidation queries are delayed to the end of transactions.

Namespace

Code

public function testEntitySave() {
    \Drupal::cache()->set('test_cache_pretransaction_foobar', 'something', Cache::PERMANENT, [
        'foobar',
    ]);
    \Drupal::cache()->set('test_cache_pretransaction_entity_test_list', 'something', Cache::PERMANENT, [
        'entity_test_list',
    ]);
    $entity = EntityTest::create([
        'name' => $this->randomString(),
    ]);
    \Drupal::database()->resetLoggedStatements();
    $entity->save();
    $executed_statements = \Drupal::database()->getLoggedStatements();
    $last_statement_index = max(array_keys($executed_statements));
    $cachetag_statements = array_keys($this->getStatementsForTable(\Drupal::database()->getLoggedStatements(), 'cachetags'));
    $this->assertSame($last_statement_index - count($cachetag_statements) + 1, min($cachetag_statements), 'All of the last queries in the transaction are for the "cachetags" table.');
    // Verify that a nested entity save occurred.
    $this->assertSame('johndoe', User::load(1)->getAccountName());
    // Cache reads occurring during a transaction that DO NOT depend on
    // invalidated cache tags result in cache HITs. Similarly, cache writes that
    // DO NOT depend on invalidated cache tags DO get written. Of course, if we
    // read either one now, outside of the context of the transaction, we expect
    // the same.
    $this->assertNotEmpty(\Drupal::state()->get('delay_cache_tags_invalidation_entity_test_insert__pretransaction_foobar'));
    $this->assertNotEmpty(\Drupal::cache()->get('delay_cache_tags_invalidation_entity_test_insert__during_transaction_foobar'));
    $this->assertNotEmpty(\Drupal::state()->get('delay_cache_tags_invalidation_user_insert__during_transaction_foobar'));
    $this->assertNotEmpty(\Drupal::cache()->get('test_cache_pretransaction_foobar'));
    // Cache reads occurring during a transaction that DO depend on invalidated
    // cache tags result in cache MISSes. Similarly, cache writes that DO depend
    // on invalidated cache tags DO NOT get written. Of course, if we read
    // either one now, outside of the context of the transaction, we expect the
    // same.
    $this->assertFalse(\Drupal::state()->get('delay_cache_tags_invalidation_entity_test_insert__pretransaction_entity_test_list'));
    $this->assertFalse(\Drupal::cache()->get('delay_cache_tags_invalidation_entity_test_insert__during_transaction_entity_test_list'));
    $this->assertFalse(\Drupal::state()->get('delay_cache_tags_invalidation_user_insert__during_transaction_entity_test_list'));
    $this->assertFalse(\Drupal::cache()->get('test_cache_pretransaction_entity_test_list'));
}