public function testAddProductItemPreparation() { $itemMock = $this->getMock('\\Magento\\Sales\\Model\\Quote\\Item', [], [], '', false); $expectedResult = $itemMock; $requestMock = $this->getMock('\\Magento\\Framework\\Object'); $this->objectFactoryMock->expects($this->once())->method('create')->with($this->equalTo(['qty' => 1]))->will($this->returnValue($requestMock)); $typeInstanceMock = $this->getMock('Magento\\Catalog\\Model\\Product\\Type\\Simple', ['prepareForCartAdvanced'], [], '', false); $productMock = $this->getMock('Magento\\Catalog\\Model\\Product', ['getParentProductId', 'setStickWithinParent', '__wakeup'], [], '', false); $collectionMock = $this->getMock('Magento\\Sales\\Model\\Resource\\Quote\\Item\\Collection', [], [], '', false); $itemMock->expects($this->any())->method('representProduct')->will($this->returnValue(true)); $iterator = new \ArrayIterator([$itemMock]); $collectionMock->expects($this->any())->method('getIterator')->will($this->returnValue($iterator)); $this->quoteItemCollectionFactoryMock->expects($this->once())->method('create')->will($this->returnValue($collectionMock)); $typeInstanceMock->expects($this->once())->method('prepareForCartAdvanced')->will($this->returnValue([$productMock])); $this->productMock->expects($this->once())->method('getTypeInstance')->will($this->returnValue($typeInstanceMock)); $result = $this->quote->addProduct($this->productMock, null); $this->assertEquals($expectedResult, $result); }