public function testDeleteItems() { $namespace = 'ns'; $key0 = 'key0'; $key1 = 'key1'; $returnValue = true; $stub = $this->getHierarchyCacheStub(); $stub->expects($this->once())->method('deleteItems')->with(['|' . $namespace . '|' . $key0, '|' . $namespace . '|' . $key1])->willReturn($returnValue); $pool = new NamespacedCachePool($stub, $namespace); $this->assertEquals($returnValue, $pool->deleteItems([$key0, $key1])); }