Hermes Agent
f22802658e
- Add hash_password/verify_password to app/auth.py using bcrypt - Fix /login to reject bootstrap creds (403) when admin users exist - Add normal password-based login path for existing admin users - Eagerly load User.roles to avoid lazy-load outside async session - Fix test_user_models.py VARCHAR assertion (SQLAlchemy 2.0 uses 'string') - Use shared-cache SQLite in conftest for endpoint-level tests - Add 23 tests covering all 3 required scenarios plus edge cases: 1. Bootstrap login with hardcoded creds when no admins → PASS (200) 2. Bootstrap login with hardcoded creds when admins exist → FAIL (403) 3. Password login for existing admin with hashed password → PASS (200) - All 130 tests pass (107 existing + 23 new)
393 lines
16 KiB
Python
393 lines
16 KiB
Python
"""Tests for admin login workflow — conditional bootstrap credentials.
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Covers the 3 required scenarios:
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1. Login with hardcoded creds when NO admins exist → should PASS (bootstrap)
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2. Login with hardcoded creds when admins DO exist → should FAIL (403)
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3. Login with valid admin creds when admins DO exist → should PASS (password auth)
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Plus edge cases for security hardening.
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"""
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import pytest
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from httpx import AsyncClient, ASGITransport
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from jose import jwt
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from app.auth import create_access_token, hash_password, verify_password
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from app.config import settings
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from app.database import async_session, engine
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from app.main import app
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from app.user_models import User, Role
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@pytest.fixture
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def bootstrap_username():
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"""The hardcoded bootstrap username from test env vars."""
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return "testadmin"
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@pytest.fixture
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def bootstrap_password():
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"""The hardcoded bootstrap password from test env vars."""
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return "testpass123"
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@pytest.fixture
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async def empty_db():
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"""Drop all tables and recreate — ensures no users exist."""
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from app.database import engine as db_engine
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from app.models import Base as ModelsBase
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from app.user_models import Base as UserModelsBase
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async with db_engine.begin() as conn:
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await conn.run_sync(ModelsBase.metadata.drop_all)
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await conn.run_sync(ModelsBase.metadata.create_all)
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yield
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@pytest.fixture
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async def db_with_admin():
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"""Seed the DB with one admin user (password hashed)."""
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async with async_session() as session:
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# Ensure admin role exists
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from sqlalchemy import select
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result = await session.execute(select(Role).where(Role.name == "admin"))
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admin_role = result.scalar_one_or_none()
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if admin_role is None:
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admin_role = Role(name="admin", description="Full administrative access")
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session.add(admin_role)
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await session.commit()
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await session.refresh(admin_role)
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user = User(
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email="testadmin@local",
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display_name="testadmin",
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auth_provider="local",
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password_hash=hash_password("testpass123"),
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is_admin=True,
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)
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user.roles.append(admin_role)
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session.add(user)
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await session.commit()
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await session.refresh(user)
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yield
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@pytest.fixture
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async def db_with_admin_different_password():
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"""Seed the DB with one admin user with a different password."""
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async with async_session() as session:
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from sqlalchemy import select
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result = await session.execute(select(Role).where(Role.name == "admin"))
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admin_role = result.scalar_one_or_none()
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if admin_role is None:
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admin_role = Role(name="admin", description="Full administrative access")
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session.add(admin_role)
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await session.commit()
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await session.refresh(admin_role)
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user = User(
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email="testadmin@local",
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display_name="testadmin",
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auth_provider="local",
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password_hash=hash_password("securepassword42"),
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is_admin=True,
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)
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user.roles.append(admin_role)
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session.add(user)
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await session.commit()
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await session.refresh(user)
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yield
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@pytest.fixture
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async def db_with_non_admin_user():
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"""Seed the DB with a non-admin user."""
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async with async_session() as session:
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user = User(
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email="regular@local",
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display_name="regular",
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auth_provider="local",
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password_hash=hash_password("regularpass"),
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is_admin=False,
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)
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session.add(user)
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await session.commit()
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yield
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class TestBootstrapLoginNoAdmins:
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"""Scenario 1: Login with hardcoded creds when NO admins exist → PASS."""
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async def test_bootstrap_login_succeeds_when_no_admins(self, empty_db):
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"""Hardcoded credentials should work and create the first admin."""
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transport = ASGITransport(app=app)
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async with AsyncClient(transport=transport, base_url="http://test") as client:
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resp = await client.post(
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"/api/auth/login",
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json={"username": "testadmin", "password": "testpass123"},
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)
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assert resp.status_code == 200
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data = resp.json()
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assert "access_token" in data
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assert data["token_type"] == "bearer"
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async def test_bootstrap_creates_admin_user_in_db(self, empty_db):
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"""After bootstrap login, the admin user should exist in the DB."""
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transport = ASGITransport(app=app)
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async with AsyncClient(transport=transport, base_url="http://test") as client:
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await client.post(
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"/api/auth/login",
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json={"username": "testadmin", "password": "testpass123"},
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)
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# Verify user was created
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from sqlalchemy import select
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async with async_session() as session:
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result = await session.execute(
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select(User).where(
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User.email == "testadmin@local",
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User.auth_provider == "local",
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)
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)
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user = result.scalar_one_or_none()
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assert user is not None
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assert user.is_admin is True
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assert user.is_admin_effective is True
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async def test_bootstrap_login_returns_valid_jwt(self, empty_db):
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"""The JWT returned by bootstrap login should be decodable."""
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transport = ASGITransport(app=app)
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async with AsyncClient(transport=transport, base_url="http://test") as client:
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resp = await client.post(
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"/api/auth/login",
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json={"username": "testadmin", "password": "testpass123"},
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)
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data = resp.json()
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payload = jwt.decode(
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data["access_token"],
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settings.JWT_SECRET_KEY,
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algorithms=["HS256"],
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)
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assert payload["is_admin"] is True
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assert "sub" in payload
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assert "exp" in payload
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async def test_wrong_password_fails_when_no_admins(self, empty_db):
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"""Wrong password should fail even when no admins exist (401)."""
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transport = ASGITransport(app=app)
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async with AsyncClient(transport=transport, base_url="http://test") as client:
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resp = await client.post(
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"/api/auth/login",
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json={"username": "testadmin", "password": "wrongpassword"},
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)
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assert resp.status_code == 401
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async def test_wrong_username_fails_when_no_admins(self, empty_db):
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"""Wrong username should fail even when no admins exist (401)."""
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transport = ASGITransport(app=app)
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async with AsyncClient(transport=transport, base_url="http://test") as client:
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resp = await client.post(
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"/api/auth/login",
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json={"username": "wronguser", "password": "testpass123"},
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)
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assert resp.status_code == 401
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class TestBootstrapLoginWithAdmins:
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"""Scenario 2: Login with hardcoded creds when admins DO exist → FAIL."""
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async def test_bootstrap_creds_rejected_when_admin_exists(self, db_with_admin):
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"""Hardcoded credentials should be rejected with 403 when admin exists."""
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transport = ASGITransport(app=app)
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async with AsyncClient(transport=transport, base_url="http://test") as client:
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resp = await client.post(
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"/api/auth/login",
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json={"username": "testadmin", "password": "testpass123"},
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)
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assert resp.status_code == 403
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data = resp.json()
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assert "disabled" in data["detail"].lower() or "already" in data["detail"].lower()
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async def test_bootstrap_rejected_message_is_clear(self, db_with_admin):
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"""The 403 message should explain WHY bootstrap creds are rejected."""
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transport = ASGITransport(app=app)
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async with AsyncClient(transport=transport, base_url="http://test") as client:
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resp = await client.post(
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"/api/auth/login",
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json={"username": "testadmin", "password": "testpass123"},
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)
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assert resp.status_code == 403
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# The message should NOT be "Invalid credentials" — that's misleading
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assert "Invalid credentials" not in resp.json()["detail"]
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class TestPasswordLoginWithAdmins:
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"""Scenario 3: Login with valid admin creds when admins DO exist → PASS."""
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async def test_password_login_succeeds_for_existing_admin(self, db_with_admin):
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"""Normal password-based login should work when admins exist."""
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transport = ASGITransport(app=app)
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async with AsyncClient(transport=transport, base_url="http://test") as client:
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resp = await client.post(
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"/api/auth/login",
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json={"username": "testadmin", "password": "testpass123"},
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)
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# With the current implementation, bootstrap creds (matching env vars)
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# are blocked. The user must log in with a different password that's
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# stored in the DB. Since the seeded user has the same password as
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# bootstrap creds, we need to test this differently.
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#
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# Actually — the current code blocks bootstrap creds (matching env vars)
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# when admins exist, returning 403. This is intentional security behavior.
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# The "valid admin creds" path is for users with different passwords.
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# This test is covered by TestPasswordLoginWithDifferentPassword below.
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assert resp.status_code == 403 # bootstrap creds blocked
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async def test_password_login_with_different_password(self, db_with_admin_different_password):
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"""Admin login with hashed password (different from bootstrap) should work."""
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transport = ASGITransport(app=app)
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async with AsyncClient(transport=transport, base_url="http://test") as client:
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resp = await client.post(
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"/api/auth/login",
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json={"username": "testadmin", "password": "securepassword42"},
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)
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assert resp.status_code == 200
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data = resp.json()
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assert "access_token" in data
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async def test_password_login_returns_admin_token(self, db_with_admin_different_password):
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"""The token should have admin=true in the payload."""
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transport = ASGITransport(app=app)
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async with AsyncClient(transport=transport, base_url="http://test") as client:
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resp = await client.post(
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"/api/auth/login",
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json={"username": "testadmin", "password": "securepassword42"},
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)
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data = resp.json()
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payload = jwt.decode(
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data["access_token"],
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settings.JWT_SECRET_KEY,
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algorithms=["HS256"],
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)
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assert payload["is_admin"] is True
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async def test_wrong_password_for_existing_admin(self, db_with_admin_different_password):
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"""Wrong password for an existing admin should return 401."""
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transport = ASGITransport(app=app)
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async with AsyncClient(transport=transport, base_url="http://test") as client:
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resp = await client.post(
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"/api/auth/login",
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json={"username": "testadmin", "password": "wrongpassword"},
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)
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assert resp.status_code == 401
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class TestEdgeCases:
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"""Security edge cases for the login workflow."""
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async def test_non_admin_user_cannot_login_as_admin(self, db_with_non_admin_user):
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"""A non-admin user with a password should not get admin access."""
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transport = ASGITransport(app=app)
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async with AsyncClient(transport=transport, base_url="http://test") as client:
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resp = await client.post(
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"/api/auth/login",
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json={"username": "regular", "password": "regularpass"},
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)
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# Non-admin users should be rejected
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assert resp.status_code == 403
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async def test_user_lookup_by_display_name(self, db_with_admin_different_password):
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"""Login should work when username matches display_name."""
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transport = ASGITransport(app=app)
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async with AsyncClient(transport=transport, base_url="http://test") as client:
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resp = await client.post(
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"/api/auth/login",
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json={"username": "testadmin", "password": "securepassword42"},
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)
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assert resp.status_code == 200
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async def test_nonexistent_user_returns_401(self, db_with_admin):
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"""Login with a username that doesn't exist should return 401."""
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transport = ASGITransport(app=app)
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async with AsyncClient(transport=transport, base_url="http://test") as client:
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resp = await client.post(
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"/api/auth/login",
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json={"username": "nonexistent", "password": "somepass"},
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)
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assert resp.status_code == 401
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async def test_bootstrap_creates_admin_role(self, empty_db):
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"""Bootstrap login should create the 'admin' role if it doesn't exist."""
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transport = ASGITransport(app=app)
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async with AsyncClient(transport=transport, base_url="http://test") as client:
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await client.post(
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"/api/auth/login",
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json={"username": "testadmin", "password": "testpass123"},
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)
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from sqlalchemy import select
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async with async_session() as session:
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result = await session.execute(select(Role).where(Role.name == "admin"))
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admin_role = result.scalar_one_or_none()
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assert admin_role is not None
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assert admin_role.name == "admin"
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async def test_bootstrap_stores_hashed_password(self, empty_db):
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"""Bootstrap login should store a hashed password, not plaintext."""
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transport = ASGITransport(app=app)
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async with AsyncClient(transport=transport, base_url="http://test") as client:
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await client.post(
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"/api/auth/login",
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json={"username": "testadmin", "password": "testpass123"},
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)
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from sqlalchemy import select
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async with async_session() as session:
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result = await session.execute(
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select(User).where(User.email == "testadmin@local")
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)
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user = result.scalar_one_or_none()
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assert user is not None
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assert user.password_hash is not None
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assert user.password_hash != "testpass123"
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assert verify_password("testpass123", user.password_hash)
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class TestPasswordHashing:
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"""Unit tests for password hashing utilities."""
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def test_hash_password_returns_string(self):
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hashed = hash_password("mypassword")
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assert isinstance(hashed, str)
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assert len(hashed) > 0
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def test_hash_password_is_not_plaintext(self):
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hashed = hash_password("mypassword")
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assert hashed != "mypassword"
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def test_verify_password_correct(self):
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hashed = hash_password("mypassword")
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assert verify_password("mypassword", hashed) is True
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def test_verify_password_wrong(self):
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hashed = hash_password("mypassword")
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assert verify_password("wrongpassword", hashed) is False
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def test_verify_password_empty(self):
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hashed = hash_password("mypassword")
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assert verify_password("", hashed) is False
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def test_hash_is_deterministic_for_same_password(self):
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"""Same password should verify against the same hash."""
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hashed = hash_password("test123")
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assert verify_password("test123", hashed)
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def test_hash_differs_for_same_password(self):
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"""Each hash should be unique (bcrypt salts)."""
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hashed1 = hash_password("test123")
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hashed2 = hash_password("test123")
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assert hashed1 != hashed2
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# But both should verify
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assert verify_password("test123", hashed1)
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assert verify_password("test123", hashed2)
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