public function testGetBaseTotalAmount() { $baseRowTotal = 10; $baseDiscountAmount = 2; $expectedResult = 8; $this->itemMock->expects($this->once())->method('getBaseRowTotal')->will($this->returnValue($baseRowTotal)); $this->itemMock->expects($this->once())->method('getBaseDiscountAmount')->will($this->returnValue($baseDiscountAmount)); $this->assertEquals($expectedResult, $this->defaultColumn->getBaseTotalAmount($this->itemMock)); }