function CachePreWarmerTest::testPreWarmOnlyOne

@covers ::preWarmOneCache

File

core/tests/Drupal/Tests/Core/PreWarm/CachePreWarmerTest.php, line 64

Class

CachePreWarmerTest

@coversDefaultClass \Drupal\Core\PreWarm\CachePreWarmer @group PreWarm

Namespace

Code

public function testPreWarmOnlyOne() : void {
    $this->setupCacheServices();
    $preWarmer = new CachePreWarmer($this->classResolver, [
        'service0',
        'service1',
        'service2',
        'service3',
    ]);
    $this->assertTrue($preWarmer->preWarmOneCache());
    $warmed = 0;
    foreach ($this->warmedMap as $service) {
        $warmed += $this->warmedMap[$service];
    }
    $this->assertEquals(1, $warmed);
}