196 lines
7.0 KiB
Python
196 lines
7.0 KiB
Python
import uuid
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from datetime import UTC, datetime
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import pytest
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from sqlalchemy import create_engine, text
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from testcontainers.postgres import PostgresContainer
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from tht.decisions import DecisionInput
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from tht.phase import effective_decisions
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from tht.session.models import PrincipalContext, SessionManifest
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from tht.session.store import SessionError
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@pytest.fixture(scope="module")
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def database_url():
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with PostgresContainer("postgres:16-alpine") as postgres:
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yield postgres.get_connection_url()
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@pytest.fixture(scope="module", autouse=True)
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def migrated(database_url):
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from tht.session.postgres_repository import migrate
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migrate(database_url)
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def _manifest(session_id: str) -> SessionManifest:
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return SessionManifest(
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id=session_id,
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created_at=datetime(2026, 7, 16, 10, 0, tzinfo=UTC),
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question="Which patients had an ablation?",
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database="testdb",
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schema="public",
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)
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def _repository(database_url, subject: str, *, is_admin: bool = False):
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from tht.session.postgres_repository import PostgresSessionRepository
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return PostgresSessionRepository(
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database_url,
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PrincipalContext(issuer="portal", subject=subject, is_admin=is_admin),
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)
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def test_owner_can_read_own_snapshot_but_not_another_owners(database_url):
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alice = _repository(database_url, "alice")
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bob = _repository(database_url, "bob")
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session_id = str(uuid.uuid4())
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alice.create(_manifest(session_id))
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alice.write_artifact(session_id, "cte_sql:eligible_patients", "SELECT 1")
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alice.append_decisions(
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session_id, [DecisionInput(type="sql_approved", subject="phase:7", detail="SELECT 1")]
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)
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snapshot = alice.get(session_id)
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assert snapshot.principal == alice.principal
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assert snapshot.artifacts == {"cte_sql:eligible_patients": "SELECT 1"}
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assert snapshot.decisions[0].seq == 1
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with pytest.raises(SessionError, match="Sessione non trovata"):
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bob.get(session_id)
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def test_named_decision_is_stale_after_postgres_ledger_reopen(database_url):
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repository = _repository(database_url, "phase-owner")
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session_id = str(uuid.uuid4())
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repository.create(_manifest(session_id))
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for phase in range(1, 5):
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repository.append_decisions(session_id, [
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DecisionInput(type="phase_approved", subject=f"phase:{phase}")
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])
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repository.append_decisions(session_id, [
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DecisionInput(type="cte_approved", subject="named_cte")
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])
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repository.append_decisions(session_id, [
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DecisionInput(type="phase_reopened", subject="phase:3")
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])
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snapshot = repository.get(session_id)
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named = next(item for item in snapshot.decisions if item.subject == "named_cte")
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assert named.phase == 5
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assert "named_cte" not in {item.subject for item in effective_decisions(snapshot)}
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def test_admin_can_read_another_owners_session(database_url):
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owner = _repository(database_url, "owner")
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admin = _repository(database_url, "admin", is_admin=True)
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session_id = str(uuid.uuid4())
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owner.create(_manifest(session_id))
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assert admin.get(session_id).manifest.id == session_id
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def test_non_superuser_runtime_login_can_assume_the_restricted_runtime_role(database_url):
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admin = create_engine(database_url)
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runtime_url = admin.url.set(
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username="thoth_sessions_test_login", password="runtime-test-only"
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)
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try:
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with admin.begin() as connection:
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connection.exec_driver_sql(
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"CREATE ROLE thoth_sessions_test_login LOGIN NOINHERIT PASSWORD 'runtime-test-only'"
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)
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connection.exec_driver_sql("GRANT thoth_sessions_runtime TO thoth_sessions_test_login")
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repository = _repository(
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runtime_url.render_as_string(hide_password=False), "runtime-user"
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)
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session_id = str(uuid.uuid4())
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repository.create(_manifest(session_id))
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assert repository.get(session_id).manifest.id == session_id
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repository.close()
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finally:
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with admin.begin() as connection:
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connection.exec_driver_sql("DROP ROLE IF EXISTS thoth_sessions_test_login")
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admin.dispose()
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def test_delete_cascades_content_and_leaves_content_free_tombstone(database_url):
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repository = _repository(database_url, "alice")
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session_id = str(uuid.uuid4())
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repository.create(_manifest(session_id))
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repository.write_artifact(session_id, "sql_final", "SELECT confidential_value")
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repository.append_decisions(
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session_id,
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[DecisionInput(type="sql_approved", subject="phase:7", detail="SELECT confidential_value")],
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)
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repository.delete(session_id)
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with pytest.raises(SessionError, match="Sessione non trovata"):
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repository.get(session_id)
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engine = create_engine(database_url)
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try:
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with engine.connect() as connection:
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assert connection.execute(
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text("SELECT count(*) FROM thoth_sessions.session_artifacts WHERE session_id = :session_id"),
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{"session_id": session_id},
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).scalar_one() == 0
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assert connection.execute(
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text("SELECT count(*) FROM thoth_sessions.review_decisions WHERE session_id = :session_id"),
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{"session_id": session_id},
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).scalar_one() == 0
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columns = connection.execute(
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text(
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"SELECT column_name FROM information_schema.columns "
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"WHERE table_schema = 'thoth_sessions' AND table_name = 'audit_log'"
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)
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).scalars().all()
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tombstone = connection.execute(
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text(
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"SELECT action, session_id, actor_issuer, actor_subject "
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"FROM thoth_sessions.audit_log WHERE session_id = :session_id"
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),
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{"session_id": session_id},
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).one()
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finally:
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engine.dispose()
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assert (tombstone[0], str(tombstone[1]), *tombstone[2:]) == (
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"session_deleted",
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session_id,
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"portal",
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"alice",
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)
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assert not {"content", "artifact_content", "detail", "metadata"} & set(columns)
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def test_session_schema_does_not_create_or_invoke_embeddings(database_url, monkeypatch):
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import tht.session.postgres_repository as repository_module
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monkeypatch.setattr(
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repository_module,
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"_embed",
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lambda *_: pytest.fail("session persistence must not invoke embeddings"),
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raising=False,
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)
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repository = _repository(database_url, "alice")
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session_id = str(uuid.uuid4())
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repository.create(_manifest(session_id))
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repository.write_artifact(session_id, "evidence", '{"sources": []}')
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engine = create_engine(database_url)
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try:
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with engine.connect() as connection:
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columns = connection.execute(
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text(
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"SELECT column_name FROM information_schema.columns "
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"WHERE table_schema = 'thoth_sessions'"
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)
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).scalars().all()
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finally:
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engine.dispose()
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assert all("embedding" not in column for column in columns)
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