feat: add SQLite persistence models

tests/conftest.py

@@ -0,0 +1,30 @@
+import pytest
+from sqlalchemy import create_engine
+from sqlalchemy.orm import Session, sessionmaker
+from sqlalchemy.pool import StaticPool
+
+from app.db.models import Base
+from app.db.repositories import ActivityRepository, UserRepository
+
+
+@pytest.fixture
+def db_session() -> Session:
+    engine = create_engine(
+        "sqlite://",
+        connect_args={"check_same_thread": False},
+        poolclass=StaticPool,
+    )
+    Base.metadata.create_all(engine)
+    factory = sessionmaker(bind=engine, expire_on_commit=False)
+    with factory() as session:
+        yield session
+
+
+@pytest.fixture
+def user_repository(db_session: Session) -> UserRepository:
+    return UserRepository(db_session)
+
+
+@pytest.fixture
+def activity_repository(db_session: Session) -> ActivityRepository:
+    return ActivityRepository(db_session)

tests/db/test_repositories.py

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+from app.db.models import ActivityStatus, HealthState
+
+
+def test_create_two_independent_users(db_session, user_repository) -> None:
+    first = user_repository.create(
+        name="Max",
+        enabled=True,
+        health_state=HealthState.HEALTHY,
+        mywhoosh_email_enc="mw-1",
+        mywhoosh_password_enc="mw-pw-1",
+        garmin_email_enc="g-1",
+        garmin_password_enc="g-pw-1",
+    )
+    second = user_repository.create(
+        name="Anna",
+        enabled=True,
+        health_state=HealthState.HEALTHY,
+        mywhoosh_email_enc="mw-2",
+        mywhoosh_password_enc="mw-pw-2",
+        garmin_email_enc="g-2",
+        garmin_password_enc="g-pw-2",
+    )
+
+    assert first.id != second.id
+    assert {u.name for u in user_repository.list_enabled()} == {"Max", "Anna"}
+
+
+def test_activity_external_id_is_unique_per_user(user_repository, activity_repository) -> None:
+    user = user_repository.create(
+        name="Max",
+        enabled=True,
+        health_state=HealthState.HEALTHY,
+        mywhoosh_email_enc="a",
+        mywhoosh_password_enc="b",
+        garmin_email_enc="c",
+        garmin_password_enc="d",
+    )
+    created, inserted = activity_repository.get_or_create_discovered(
+        user_id=user.id,
+        mywhoosh_activity_id="mw-123",
+        activity_name="Morning Ride",
+        activity_timestamp=None,
+    )
+    same, inserted_again = activity_repository.get_or_create_discovered(
+        user_id=user.id,
+        mywhoosh_activity_id="mw-123",
+        activity_name="Morning Ride",
+        activity_timestamp=None,
+    )
+
+    assert inserted is True
+    assert inserted_again is False
+    assert created.id == same.id
+    assert same.status == ActivityStatus.DISCOVERED