function LruMemoryCacheTest::assertCacheData

Asserts that the given cache data matches the data in the memory cache.

Parameters

\Drupal\Core\Cache\MemoryCache\LruMemoryCache $lru_cache: The LRU cache under test.

array $cache_data: Array whose first element is the cache ID and whose second element is the value to check. This should contain all the keys in the cache and in the expected order.

File

core/tests/Drupal/Tests/Core/Cache/LruMemoryCacheTest.php, line 355

Class

LruMemoryCacheTest

@coversDefaultClass \Drupal\Core\Cache\MemoryCache\LruMemoryCache @group Cache

Namespace

Code

protected function assertCacheData(LruMemoryCache $lru_cache, array $cache_data) : void {
    // Use reflection to access data because using ::get() affects the LRU
    // cache.
    $reflectedClass = new \ReflectionClass($lru_cache);
    $reflection = $reflectedClass->getProperty('cache');
    $cache = $reflection->getValue($lru_cache);
    $keys = [];
    foreach ($cache_data as $item) {
        $keys[] = $item[0];
        $this->assertSame($item[1], $cache[$item[0]]->data, "{$item[0]} found in cache.");
    }
    // Ensure the cache only contains the supply keys and the order is as
    // expected.
    $this->assertSame($keys, array_keys($cache));
}