function DatabaseBackendTest::testSetGet

Overrides GenericCacheBackendUnitTestBase::testSetGet

File

core/tests/Drupal/KernelTests/Core/Cache/DatabaseBackendTest.php, line 49

Class

DatabaseBackendTest

Unit test of the database backend using the generic cache unit test base.

Namespace

Code

public function testSetGet() : void {
    parent::testSetGet();
    $backend = $this->getCacheBackend();
    // Set up a cache ID that is not ASCII and longer than 255 characters so we
    // can test cache ID normalization.
    $cid_long = str_repeat('愛€', 500);
    $cached_value_long = $this->randomMachineName();
    $backend->set($cid_long, $cached_value_long);
    $this->assertSame($cached_value_long, $backend->get($cid_long)->data, "Backend contains the correct value for long, non-ASCII cache id.");
    $cid_short = '愛1€';
    $cached_value_short = $this->randomMachineName();
    $backend->set($cid_short, $cached_value_short);
    $this->assertSame($cached_value_short, $backend->get($cid_short)->data, "Backend contains the correct value for short, non-ASCII cache id.");
    // Set multiple items to test exceeding the chunk size.
    $backend->deleteAll();
    $items = [];
    for ($i = 0; $i <= DatabaseBackend::MAX_ITEMS_PER_CACHE_SET; $i++) {
        $items["test{$i}"]['data'] = $i;
    }
    $backend->setMultiple($items);
    $this->assertSame(DatabaseBackend::MAX_ITEMS_PER_CACHE_SET + 1, $this->getNumRows());
}