Jordan Knight jakkaj

Work for Microsoft, but most my stuff on GitHub is just for fun and experimentation!

jakkaj / constitution-code-1.py

Last active November 25, 2025 03:32

[md-export] constitution-code-4

	from datetime import datetime

	# Test doubles implement the same interfaces as production code
	class FakeBookingRepository(BookingRepository):
	"""In-memory repository for testing - no HTTP, no database."""
	def __init__(self):
	self._bookings: dict[str, Booking] = {}

	def find_by_id(self, booking_id: BookingId) -> Booking \| None:
	return self._bookings.get(booking_id.value)

jakkaj / constitution-code-3.py

Created November 25, 2025 00:30

[md-export] constitution-code-3

	# Interface lives in the application/domain module
	from abc import ABC, abstractmethod
	from typing import Optional
	import httpx

	class BookingRepository(ABC):
	@abstractmethod
	async def find_by_id(self, booking_id: BookingId) -> Optional["Booking"]:
	pass

jakkaj / constitution-code-2.py

Created November 25, 2025 00:30

[md-export] constitution-code-2

	from dataclasses import dataclass
	from datetime import datetime
	from abc import ABC, abstractmethod

	# Domain command + IDs used at the boundary of the application layer
	@dataclass
	class BookingId:
	value: str

	@dataclass

jakkaj / constitution-code-1.py

Created November 25, 2025 00:30

[md-export] constitution-code-1

	from datetime import datetime

	# Test doubles implement the same interfaces as production code
	class FakeBookingRepository(BookingRepository):
	"""In-memory repository for testing - no HTTP, no database."""
	def __init__(self):
	self._bookings: dict[str, Booking] = {}

	def find_by_id(self, booking_id: BookingId) -> Booking \| None:
	return self._bookings.get(booking_id.value)

jakkaj / constitution-diagram-2.mmd