Publish curated ITWorx-ModelForge source from 990401737f96c8d46a9f7b0d84994516cadcb6a0
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from datetime import UTC, datetime, timedelta
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from unittest.mock import Mock
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from uuid import uuid4
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import pytest
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from fastapi import FastAPI, HTTPException
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from fastapi.testclient import TestClient
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from sqlalchemy import create_engine, func, select
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from sqlalchemy.orm import Session
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from modelforge_api.api.authorization import (
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Principal,
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PrincipalRole,
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authenticate_operator_principal,
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)
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from modelforge_api.api.routes.model_updates import get_model_update_service, router
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from modelforge_api.domain.model_updates import ModelWatchCreate, ModelWatchUpdate
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from modelforge_api.persistence.models import (
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ArtifactJob,
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AuditEvent,
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Base,
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CapabilityDeployment,
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Model,
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ModelRevision,
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ModelUpdateWatch,
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)
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from modelforge_api.services.acquisition import AcquisitionService, ProviderBoundaryError
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from modelforge_api.services.audit import AuditContext
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from modelforge_api.services.model_updates import ModelUpdateService
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from modelforge_api.services.registry import RegistryConflict, RegistryService
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@pytest.fixture
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def setup():
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engine = create_engine("sqlite://")
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Base.metadata.create_all(engine)
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with Session(engine) as session:
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model = Model(key="selected", display_name="Selected", upstream_provider="huggingface", upstream_source="org/selected")
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session.add(model)
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session.flush()
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revision = ModelRevision(model_id=model.id, upstream_revision="main", resolved_commit_sha="a" * 40)
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session.add(revision)
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session.commit()
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acquisition = Mock(spec=AcquisitionService)
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def refresh(model_id, ref):
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candidate = session.scalar(select(ModelRevision).where(ModelRevision.resolved_commit_sha == "b" * 40))
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if candidate is None:
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session.add(ModelRevision(model_id=model_id, upstream_revision=ref, resolved_commit_sha="b" * 40))
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session.commit()
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return Mock(resolved_commit_sha="b" * 40)
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acquisition.refresh_model.side_effect = refresh
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service = ModelUpdateService(session, acquisition, AuditContext("operator", "test"))
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request = ModelWatchCreate(model_id=model.id, baseline_revision_id=revision.id)
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yield session, service, acquisition, request
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engine.dispose()
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def test_tracking_and_notice_history_explain_registry_delete_refusal(setup):
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session, service, _, request = setup
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watch = service.create(request)
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service.check(watch.id)
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notice, = service.notices()
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service.dismiss(notice.id)
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service.change(watch.id, ModelWatchUpdate(
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expected_version=watch.version,
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expected_baseline_revision_id=watch.baseline_revision_id,
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baseline_revision_id=watch.baseline_revision_id, enabled=False,
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reason="Keep historical tracking while paused",
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))
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registry = RegistryService(session)
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for revision_id, relation in (
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(watch.baseline_revision_id, "update_tracking_baseline"),
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(notice.candidate_revision_id, "update_candidate_history"),
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):
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with pytest.raises(RegistryConflict) as blocked:
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registry.delete("model_revision", revision_id)
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assert any(item["relation"] == relation for item in blocked.value.details["dependencies"])
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assert session.get(ModelRevision, revision_id) is not None
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with pytest.raises(RegistryConflict) as blocked_model:
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registry.delete("model", request.model_id)
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assert {"update_tracking_baseline", "update_candidate_history"}.issubset(
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{item["relation"] for item in blocked_model.value.details["dependencies"]})
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def test_check_deduplicates_dismissed_notice_and_never_deploys(setup):
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session, service, acquisition, request = setup
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watch = service.create(request)
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assert service.create(request).id == watch.id
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for _ in range(2):
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assert service.check(watch.id).last_error_code is None
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notice, = service.notices()
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assert notice.baseline_commit_sha == "a" * 40
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assert notice.candidate_commit_sha == "b" * 40
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service.dismiss(notice.id)
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service.check(watch.id)
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assert len(service.notices()) == 1
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assert service.notices()[0].status == "dismissed"
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assert session.scalar(select(func.count()).select_from(ArtifactJob)) == 0
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assert session.scalar(select(func.count()).select_from(CapabilityDeployment)) == 0
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acquisition.create_plan.assert_not_called()
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acquisition.execute_plan.assert_not_called()
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def test_unchanged_and_provider_failure_preserve_baseline(setup):
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session, service, acquisition, request = setup
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watch = service.create(request)
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acquisition.refresh_model.side_effect = None
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acquisition.refresh_model.return_value = Mock(resolved_commit_sha="a" * 40)
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service.check(watch.id)
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assert service.notices() == []
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acquisition.refresh_model.side_effect = ProviderBoundaryError("private provider details")
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failed = service.check(watch.id)
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assert failed.last_error_code == "upstream_unavailable"
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assert failed.baseline_commit_sha == watch.baseline_commit_sha
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assert failed.last_checked_at is not None
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assert service.notices() == []
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assert "private provider details" not in failed.model_dump_json()
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assert session.get(ModelUpdateWatch, watch.id).check_token is None
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def test_concurrent_check_refused_and_expired_lease_recoverable(setup):
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session, service, acquisition, request = setup
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watch = service.create(request)
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item = session.get(ModelUpdateWatch, watch.id)
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item.check_until = datetime.now(UTC) + timedelta(minutes=1)
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item.check_token = uuid4()
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session.commit()
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with pytest.raises(RegistryConflict):
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service.check(watch.id)
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acquisition.refresh_model.assert_not_called()
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item.check_until = datetime.now(UTC) - timedelta(seconds=1)
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session.commit()
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service.check(watch.id)
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assert len(service.notices()) == 1
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def test_unexpected_failure_records_failure_and_releases_lease(setup):
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session, service, acquisition, request = setup
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watch = service.create(request)
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acquisition.refresh_model.side_effect = RuntimeError("test crash")
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with pytest.raises(RuntimeError):
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service.check(watch.id)
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item = session.get(ModelUpdateWatch, watch.id)
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assert item.last_error_code == "check_failed"
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assert item.check_token is None
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assert item.baseline_commit_sha == watch.baseline_commit_sha
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def test_baseline_mismatch_and_stale_baseline_refused(setup):
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session, service, _acquisition, request = setup
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watch = service.create(request)
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service.check(watch.id)
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revision = session.scalar(select(ModelRevision).where(ModelRevision.resolved_commit_sha == "b" * 40))
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with pytest.raises(RegistryConflict, match="explicit tracking update"):
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service.create(request.model_copy(update={"baseline_revision_id": revision.id}))
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other = Model(key="other", display_name="Other", upstream_provider="huggingface", upstream_source="org/other")
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session.add(other)
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session.commit()
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with pytest.raises(RegistryConflict, match="own exact"):
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service.create(request.model_copy(update={"model_id": other.id}))
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def test_watch_bound_and_pagination(setup):
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_, service, _, request = setup
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for index in range(100):
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service.create(request.model_copy(update={"upstream_ref": f"branch-{index}"}))
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with pytest.raises(RegistryConflict, match="100"):
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service.create(request)
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assert len(service.watches(limit=100)) == 100
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assert len(service.watches(limit=10, offset=95)) == 5
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@pytest.mark.parametrize("failure", [False, True])
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def test_superseded_check_cannot_clear_successor_or_publish_notice(setup, failure):
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session, service, acquisition, request = setup
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watch = service.create(request)
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successor = uuid4()
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def supersede(model_id, ref):
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item = session.get(ModelUpdateWatch, watch.id)
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item.check_token = successor
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item.check_until = datetime.now(UTC) + timedelta(minutes=5)
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session.commit()
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if failure:
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raise RuntimeError("superseded failure")
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return Mock(resolved_commit_sha="a" * 40)
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acquisition.refresh_model.side_effect = supersede
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with pytest.raises(RuntimeError if failure else RegistryConflict):
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service.check(watch.id)
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item = session.get(ModelUpdateWatch, watch.id)
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assert item.check_token == successor
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assert item.last_checked_at is None
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assert service.notices() == []
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def test_metadata_audit_uses_authenticated_context(setup):
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_, service, acquisition, _ = setup
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assert acquisition.audit is service.audit
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assert acquisition.audit.context.actor_id == "test"
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@pytest.mark.parametrize("role,status", [(None,401),(PrincipalRole.VIEWER,403),(PrincipalRole.OPERATOR,200),(PrincipalRole.ADMIN,200)])
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@pytest.mark.parametrize("action", ["create", "check", "dismiss", "change"])
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def test_mutation_roles(role, status, action, setup):
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_, service, _, request = setup
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watch = service.create(request)
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service.check(watch.id)
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notice = service.notices()[0]
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app = FastAPI()
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app.include_router(router)
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def principal():
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if role is None:
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raise HTTPException(401)
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return Principal("test", role, "test")
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mocked = Mock()
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mocked.create.return_value = watch
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mocked.check.return_value = watch
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mocked.dismiss.return_value = notice
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mocked.change.return_value = watch
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app.dependency_overrides[authenticate_operator_principal] = principal
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app.dependency_overrides[get_model_update_service] = lambda: mocked
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with TestClient(app) as client:
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if action == "create":
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response = client.post("/api/v1/model-updates/watches", json=request.model_dump(mode="json"))
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elif action == "change":
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response = client.patch(f"/api/v1/model-updates/watches/{watch.id}", json={
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"expected_version": watch.version, "expected_baseline_revision_id": str(watch.baseline_revision_id),
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"baseline_revision_id": str(watch.baseline_revision_id), "enabled": False, "reason": "Pause tracking",
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})
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else:
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path = f"watches/{watch.id}/check" if action == "check" else f"notices/{notice.id}/dismiss"
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response = client.post(f"/api/v1/model-updates/{path}")
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assert response.status_code == status
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assert getattr(mocked, action).call_count == int(status == 200)
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def test_list_bounds_require_viewer():
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app = FastAPI()
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app.include_router(router)
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mocked = Mock()
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mocked.watches.return_value = []
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app.dependency_overrides[get_model_update_service] = lambda: mocked
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app.dependency_overrides[authenticate_operator_principal] = lambda: Principal("viewer", PrincipalRole.VIEWER, "test")
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with TestClient(app) as client:
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assert client.get("/api/v1/model-updates/watches").status_code == 200
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assert client.get("/api/v1/model-updates/watches?limit=101").status_code == 422
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assert client.get("/api/v1/model-updates/watches?offset=-1").status_code == 422
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def tracking_change(watch, **changes):
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return ModelWatchUpdate(expected_version=watch.version,
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expected_baseline_revision_id=watch.baseline_revision_id,
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baseline_revision_id=changes.get("baseline_revision_id", watch.baseline_revision_id),
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enabled=changes.get("enabled", watch.enabled), reason="Reviewed tracking change")
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def test_pause_resume_fences_in_flight_check_and_stale_changes(setup):
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session, service, acquisition, request = setup
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watch = service.create(request)
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original = acquisition.refresh_model.side_effect
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def interrupted(model_id, ref):
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candidate = original(model_id, ref)
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paused = service.change(watch.id, tracking_change(watch, enabled=False))
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assert not paused.enabled and paused.version == 2
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assert session.get(ModelUpdateWatch, watch.id).check_token is None
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with pytest.raises(RegistryConflict, match="changed"):
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service.change(watch.id, tracking_change(watch, enabled=True))
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resumed = service.change(watch.id, tracking_change(paused, enabled=True))
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assert resumed.enabled and resumed.version == 3
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return candidate
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acquisition.refresh_model.side_effect = interrupted
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with pytest.raises(RegistryConflict, match="superseded"):
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service.check(watch.id)
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assert service.notices() == []
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assert service.watches()[0].last_checked_at is None
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def test_paused_watch_and_not_due_check_do_not_call_provider(setup):
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_, service, acquisition, request = setup
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watch = service.create(request)
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paused = service.change(watch.id, tracking_change(watch, enabled=False))
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with pytest.raises(RegistryConflict, match="paused"):
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service.check(watch.id)
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acquisition.refresh_model.assert_not_called()
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service.change(watch.id, tracking_change(paused, enabled=True))
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service.check(watch.id)
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acquisition.refresh_model.reset_mock()
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with pytest.raises(RegistryConflict, match="not due"):
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service.check(watch.id, if_checked_before=datetime.now(UTC) - timedelta(hours=1))
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acquisition.refresh_model.assert_not_called()
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def test_baseline_advance_is_audited_cas_and_preserves_notice_provenance(setup):
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session, service, _, request = setup
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watch = service.create(request)
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service.check(watch.id)
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notice, = service.notices()
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advanced = service.change(watch.id, tracking_change(watch, baseline_revision_id=notice.candidate_revision_id))
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assert advanced.baseline_commit_sha == notice.candidate_commit_sha
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assert advanced.version == watch.version + 1
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assert advanced.last_checked_at is None
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assert service.notices()[0] == notice
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audit = session.scalar(select(AuditEvent).where(AuditEvent.action == "MODEL_WATCH_TRACKING_CHANGED"))
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assert audit.details["previous"]["baseline_revision_id"] == str(watch.baseline_revision_id)
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assert audit.details["baseline_revision_id"] == str(notice.candidate_revision_id)
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assert audit.details["reason"] == "Reviewed tracking change"
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with pytest.raises(RegistryConflict, match="changed"):
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service.change(watch.id, tracking_change(watch, enabled=False))
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assert session.scalar(select(func.count()).select_from(CapabilityDeployment)) == 0
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def test_baseline_advance_rejects_other_models_and_active_check(setup):
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session, service, _, request = setup
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watch = service.create(request)
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service.check(watch.id)
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notice = service.notices()[0]
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item = session.get(ModelUpdateWatch, watch.id)
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item.check_token = uuid4()
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item.check_until = datetime.now(UTC) + timedelta(minutes=1)
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session.commit()
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with pytest.raises(RegistryConflict, match="active check"):
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service.change(watch.id, tracking_change(watch, baseline_revision_id=notice.candidate_revision_id))
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other = Model(key="other", display_name="Other", upstream_provider="huggingface", upstream_source="org/other")
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session.add(other)
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session.flush()
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other_revision = ModelRevision(model_id=other.id, upstream_revision="main", resolved_commit_sha="c" * 40)
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session.add(other_revision)
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session.commit()
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with pytest.raises(RegistryConflict, match="same model"):
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service.change(watch.id, tracking_change(watch, baseline_revision_id=other_revision.id))
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paused = service.change(watch.id, tracking_change(watch, enabled=False))
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updated = service.change(watch.id, tracking_change(paused, baseline_revision_id=notice.candidate_revision_id))
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assert not updated.enabled
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assert session.get(ModelUpdateWatch, watch.id).check_token is None
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@pytest.mark.parametrize("env,enabled,active", [("production",True,True),("production",False,False),("development",True,False)])
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def test_monitor_status_reports_actual_environment_gate(env, enabled, active):
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from modelforge_api.settings import Settings, get_settings
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app = FastAPI()
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app.include_router(router)
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app.dependency_overrides[authenticate_operator_principal] = lambda: Principal("viewer", PrincipalRole.VIEWER, "test")
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app.dependency_overrides[get_settings] = lambda: Settings(env=env, model_update_monitor_enabled=enabled,
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model_update_check_interval_seconds=7200)
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with TestClient(app) as client:
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assert client.get("/api/v1/model-updates/monitor").json() == {"enabled": active, "check_interval_seconds": 7200}
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