test_product.py

import kassa
import inspect
import pytest
import random
 
def test_classes():
    assert inspect.isclass(kassa.Product)
 
def test_getprice():
    p=kassa.Product(name="TestProduct",prijs=4.80,barcode="0001234567017")
    assert p.prijs==4.80
 
def test_getname():
    p=kassa.Product(name="TestProduct",prijs=4.80,barcode="0001234567017")
    assert p.name=="TestProduct"
 
def test_getname():
    p=kassa.Product(name="TestProduct",prijs=4.80,barcode="0001234567017")
    assert p.barcode=="0001234567017"
 
 
def test_randattrs():
    name="TestProduct"+str(random.randint(0,100))
    price=random.uniform(1,10)
    barcode="0001234567017"
    p=kassa.Product(name=name,prijs=price,barcode=barcode)
    
    assert p.name==name
    assert p.prijs==price
    assert p.barcode==barcode
 
def test_checkdigit():
    with pytest.raises(kassa.InvalidEANException):
        p=kassa.Product(name="TestProduct",prijs=4.80,barcode="0001234567018")
 
    with pytest.raises(kassa.InvalidEANException):
        p=kassa.Product(name="TestProduct",prijs=4.80,barcode="0001234567025")
 
    with pytest.raises(kassa.InvalidEANException):
        p=kassa.Product(name="TestProduct",prijs=4.80,barcode="0001234567032")

def test_sum():
    p1=kassa.Product(name="TestProduct",prijs=random.uniform(1,10),barcode="0001234567017")
    
    receipt=kassa.Receipt()
    receipt.add(p1)
    receipt.add(p1)
    receipt.add(p1)
    
    assert receipt.value==p1.prijs*3