import pytest


@pytest.mark.asyncio
async def test_register_creates_user(client):
    response = await client.post(
        "/auth/register",
        json={"username": "medium1", "password": "spookyspooky"},
    )
    assert response.status_code == 201
    body = response.json()
    assert body["username"] == "medium1"
    assert "id" in body
    assert "password" not in body


@pytest.mark.asyncio
async def test_register_duplicate_username_rejected(client):
    await client.post("/auth/register", json={"username": "medium1", "password": "spookyspooky"})
    response = await client.post("/auth/register", json={"username": "medium1", "password": "anotherpass"})
    assert response.status_code == 409