jangia

import re

import pytest

REDIRECT_REGEX = r"(^/([A-Za-z0-9#&?=]+|$)|^https://my.domain\.com/[A-Za-z0-9#&?=/]*$)"


def is_valid_success_url(url: str) -> bool:
    return bool(re.match(REDIRECT_REGEX, url))

jangia

from unittest.mock import MagicMock, create_autospec


class MyCRMService:
    def sync_user(self, *, first_name: str, last_name: str, email: str) -> None:
        print("Calling MyCRM's REST API to send data there. That's slow and unreliable.")


class CreateUser:
    def __init__(self, *, crm_service: MyCRMService) -> None:

jangia

import time
from unittest.mock import MagicMock, create_autospec


class SentimentClassifier:
    def predict(self, text: str) -> str:
        # Imagine that prediction is taking a long time
        time.sleep(5)
        return "positive"

jangia

import pytest

from email_validator import is_valid_email


@pytest.mark.parametrize(
    "email,is_valid",
    [
        ("[email protected]", True),
        ("gqehtjwyeumi,", False),

jangia

import re


def is_valid_email(email: str) -> bool:
    return bool(re.search(r"^[\w\.\-\+']+@[\w\.\-]+\.\w+$", email))

jangia

from dataclasses import dataclass
from enum import Enum


class TaskStatus(str, Enum):
    OPEN = "OPEN"
    CLOSED = "CLOSED"


@dataclass

jangia

import sqlite3

import pytest

from models import Task, TaskStatus
from store import TaskStoreSQLite


@pytest.fixture
def connection(tmp_path) -> sqlite3.Connection:

jangia

from dataclasses import dataclass
from enum import Enum


class TaskStatus(str, Enum):
    OPEN = "OPEN"
    CLOSED = "CLOSED"


@dataclass

jangia

# behavior/tests.py


def test_add_task_():
    store = TaskStoreInMemory()
    task = Task(title="Do the dishes", status=TaskStatus.OPEN)

    store.add_task(task)

    assert store.tasks[0].title == "Do the dishes"

jangia

# behavior/store.py

class TaskStoreInMemory(TaskStore):
    def __init__(self):
        self._tasks = []

    def add_task(self, task: Task) -> None:
        self._tasks.append(task)

    def list_tasks(self) -> list[Task]: