function CacheCollectorTest::testUpdateCacheMerge

Tests a cache hit, then item updated by a different request.

File

core/tests/Drupal/Tests/Core/Cache/CacheCollectorTest.php, line 266

Class

CacheCollectorTest

@coversDefaultClass \Drupal\Core\Cache\CacheCollector @group Cache

Namespace

Code

public function testUpdateCacheMerge() : void {
    $key = $this->randomMachineName();
    $value = $this->randomMachineName();
    $this->collector
        ->setCacheMissData($key, $value);
    $this->collector
        ->get($key);
    // Set up mock objects for the expected calls, first a lock acquire, then
    // cache get to look for existing cache entries, which does find
    // and then it merges them.
    $this->lock
        ->expects($this->once())
        ->method('acquire')
        ->with($this->cid . ':Drupal\\Core\\Cache\\CacheCollector')
        ->willReturn(TRUE);
    $cache = (object) [
        'data' => [
            'other key' => 'other value',
        ],
        'created' => (int) $_SERVER['REQUEST_TIME'] + 1,
    ];
    $this->collector
        ->setCacheCreated($cache->created);
    $this->cacheBackend
        ->expects($this->once())
        ->method('get')
        ->with($this->cid)
        ->willReturn($cache);
    $this->cacheBackend
        ->expects($this->once())
        ->method('set')
        ->with($this->cid, [
        'other key' => 'other value',
        $key => $value,
    ], Cache::PERMANENT, []);
    $this->lock
        ->expects($this->once())
        ->method('release')
        ->with($this->cid . ':Drupal\\Core\\Cache\\CacheCollector');
    // Destruct the object to trigger the update data process.
    $this->collector
        ->destruct();
}