timurbakibayev

from django.contrib import admin
from shop.models import Cart, Item, CartItem


class ItemInline(admin.StackedInline):
    model = CartItem
    extra = 5


class CartAdmin(admin.ModelAdmin):

timurbakibayev

from django.db import models


class Item(models.Model):
    name = models.CharField(max_length=100)
    price = models.DecimalField(default=0, decimal_places=2, max_digits=10)

    def __str__(self):
        return f"{self.name}: ${self.price}"

timurbakibayev

import dataclasses
from dataclasses import dataclass
from decimal import Decimal


@dataclass(frozen=True)
class Account:
    amount: Decimal
    blocked: Decimal

timurbakibayev

import dataclasses
from dataclasses import dataclass
from decimal import Decimal


@dataclass(frozen=True)
class Account:
    amount: Decimal
    blocked: Decimal

timurbakibayev

import pytest
from decimal import Decimal
from main import Account


class TestNormalAccount:
    def test_add_amount(self) -> None:
        account = Account(
            amount=Decimal(10),
            blocked=Decimal(0),

timurbakibayev

import pytest
from decimal import Decimal
from main import Account


class TestNormalAccount:
    def test_add_amount(self) -> None:
        account = Account(
            amount=Decimal(10),
            blocked=Decimal(0),

timurbakibayev

from dataclasses import dataclass
from decimal import Decimal


@dataclass
class Account:
    amount: Decimal
    blocked: Decimal

    def add_amount(self, amount: Decimal) -> None:

timurbakibayev

from engine.engine import Engine
from gasoline.gasoline import Gasoline, GasPortion
from gaspump.gaspump import GasPump
from pedal.pedal import Pedal


class TestEverythingTogether:
    def test_everything_ok(self) -> None:
        """
        Here is the scenario:

timurbakibayev

from gasoline.gasoline import GasPortion, Gasoline
from gaspump.gaspump import GasPump
from pedal.pedal import Pedal


class Benzine(Gasoline):
    pass


class TestPedal:

timurbakibayev

from dataclasses import dataclass

from gasoline.gasoline import GasPortion
from gaspump.gaspump import GasPump


@dataclass
class Pedal:
    connected_gas_pump: GasPump