private function getProductTaxRate()
{
/** @var $taxCalculator \Magento\Tax\Model\Calculation */
$taxCalculator = $this->calculation;
$request = $taxCalculator->getRateRequest($this->quote->getShippingAddress(), $this->quote->getBillingAddress(), $this->quote->getCustomerTaxClassId(), $this->quote->getStore());
$request->setProductClassId($this->getProduct()->getTaxClassId());
return $taxCalculator->getRate($request);
}
public function testGetCustomerTaxClassId()
{
$groupId = 1;
$taxClassId = 1;
$groupMock = $this->getMockForAbstractClass('Magento\\Customer\\Api\\Data\\GroupInterface', [], '', false);
$groupMock->expects($this->once())->method('getTaxClassId')->willReturn($taxClassId);
$this->groupRepositoryMock->expects($this->once())->method('getById')->with($groupId)->will($this->returnValue($groupMock));
$this->quote->setData('customer_group_id', $groupId);
$result = $this->quote->getCustomerTaxClassId();
$this->assertEquals($taxClassId, $result);
}
