public function testDelete()
{
$dbAdapter = $this->getMock('Magento\\Framework\\DB\\Adapter\\AdapterInterface');
$this->resource->expects($this->once())->method('getConnection')->will($this->returnValue($dbAdapter));
$customer = $this->getMock('Magento\\Customer\\Model\\Customer', ['__wakeup', 'load', 'getId', 'getStoreId', 'setGroupId', 'save'], [], '', false);
$customerId = 1;
$customer->expects($this->once())->method('getId')->will($this->returnValue($customerId));
$customer->expects($this->once())->method('load')->with($customerId)->will($this->returnSelf());
$defaultCustomerGroup = 1;
$this->customerHelper->expects($this->once())->method('getDefaultCustomerGroupId')->will($this->returnValue($defaultCustomerGroup));
$customer->expects($this->once())->method('setGroupId')->with($defaultCustomerGroup);
$customerCollection = $this->getMock('Magento\\Customer\\Model\\Resource\\Customer\\Collection', [], [], '', false);
$customerCollection->expects($this->once())->method('addAttributeToFilter')->will($this->returnSelf());
$customerCollection->expects($this->once())->method('load')->will($this->returnValue([$customer]));
$this->customersFactory->expects($this->once())->method('create')->will($this->returnValue($customerCollection));
$this->groupResourceModel->delete($this->groupModel);
}
