Files
dev-puppeteer/my-deepagent/tests/unit/test_errors.py
chungyeong 17ba5d723b feat(my-deepagent): v0.1.0 Step 0~5 — scaffolding through deepagent + OpenRouter
Python rewrite of the agent harness on top of deepagents 0.6.1 + langchain 1.x,
replacing the abandoned TS attempt in packages/. 388 unit/integration tests pass.

Steps
-----
0. Scaffolding — uv workspace, ruff/mypy/pre-commit/alembic, src/tests/docs
   trees with docs/schemas/ seeded from my-deepagent-seed/.
1. Core — config (pydantic-settings with MYDEEPAGENT_ env prefix and TOML
   source), enums (Backend, Capability, RiskLevel, ApprovalDecisionAction,
   ApprovalState, RunState, RunPhaseState, SessionState, ErrorClass),
   errors (MyDeepAgentError + BudgetExhaustedError with PEP-3134 cause +
   context suppression), hash (canonical JSON + sha256).
2. Persona/Workflow/Binding — pydantic v2 schemas with tuple-based deep
   immutability (post-construction hash drift prevented), YAML loaders,
   deterministic auto-select (preferred_backends → version → name → hash),
   override resolution with ineligibility diagnostics, PersonaConsentStore
   with fcntl.flock + tmp+fsync+rename atomic write.
3. Artifact schema registry — Draft202012Validator, multi-root resolution,
   structured ValidationFinding output.
4. Persistence — 18 SQLAlchemy 2.0 async ORM models with FK CASCADE/RESTRICT,
   WAL + busy_timeout + foreign_keys PRAGMA, alembic baseline +
   ux_active_run_repo_base partial unique index, LangGraph SqliteSaver as
   context manager only (lifecycle safety).
5. DeepAgent session — build_agent wires Persona → create_deep_agent with
   LocalShellBackend / FilesystemBackend / StateBackend / CompositeBackend,
   ChatOpenAI(base_url=openrouter) for openrouter: model strings, and 4
   middleware classes (cost / audit-tool / safety-shell / fallback-model).

Critical workarounds
--------------------
- deepagents 0.6.1 rejects FilesystemPermission together with backends that
  implement SandboxBackendProtocol (LocalShellBackend). SafetyShellMiddleware
  enforces destructive-command and secret-path policy at the tool layer
  instead, and build_agent strips the permissions kwarg when the persona's
  deepagents_backend is local_shell.
- FilesystemOperation in deepagents is Literal['read', 'write'] only;
  _map_operations collapses our richer schema (read/write/edit/ls) safely.

Real OpenRouter smoke
---------------------
test_openrouter_deepagents_local_shell_smoke calls DeepSeek via deepagents +
LocalShellBackend + SafetyShellMiddleware end-to-end. PASS, ~$0.000001 cost,
input=9 / output=1 tokens with content "OK".

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-15 19:40:02 +09:00

209 lines
6.5 KiB
Python

"""Unit tests for src/my_deepagent/errors.py."""
from uuid import UUID, uuid4
import pytest
from my_deepagent.enums import ErrorClass
from my_deepagent.errors import BudgetExhaustedError, MyDeepAgentError
def test_cause_sets_suppress_context() -> None:
"""Wrapping a cause must suppress the implicit context per PEP 3134."""
original = ValueError("root cause")
err = MyDeepAgentError.recoverable("wrapped", cause=original)
assert err.__cause__ is original
assert err.__suppress_context__ is True
def test_no_cause_does_not_set_suppress_context() -> None:
err = MyDeepAgentError.recoverable("no_cause")
assert err.__cause__ is None
assert err.__suppress_context__ is False
def test_factory_returns_base_class_not_subclass() -> None:
"""LSP fix: factory methods always return MyDeepAgentError, never BudgetExhaustedError."""
err = BudgetExhaustedError.recoverable("foo")
assert type(err) is MyDeepAgentError
# ---------------------------------------------------------------------------
# MyDeepAgentError factory methods
# ---------------------------------------------------------------------------
def test_recoverable_class() -> None:
err = MyDeepAgentError.recoverable("network_blip", recovery_hint="retry")
assert err.error_class == ErrorClass.RECOVERABLE
def test_recoverable_code() -> None:
err = MyDeepAgentError.recoverable("network_blip")
assert err.code == "network_blip"
def test_recoverable_recovery_hint() -> None:
err = MyDeepAgentError.recoverable("network_blip", recovery_hint="retry after 1s")
assert err.recovery_hint == "retry after 1s"
def test_human_required_class() -> None:
err = MyDeepAgentError.human_required("destructive_command_blocked")
assert err.error_class == ErrorClass.HUMAN_REQUIRED
def test_human_required_code() -> None:
err = MyDeepAgentError.human_required("destructive_command_blocked")
assert err.code == "destructive_command_blocked"
def test_fatal_class() -> None:
err = MyDeepAgentError.fatal("unrecoverable_state")
assert err.error_class == ErrorClass.FATAL
def test_fatal_code() -> None:
err = MyDeepAgentError.fatal("unrecoverable_state")
assert err.code == "unrecoverable_state"
# ---------------------------------------------------------------------------
# run_id / phase_id context
# ---------------------------------------------------------------------------
def test_run_id_attached() -> None:
run_id = uuid4()
err = MyDeepAgentError.recoverable("timeout", run_id=run_id)
assert err.run_id == run_id
def test_phase_id_attached() -> None:
phase_id = uuid4()
err = MyDeepAgentError.recoverable("artifact_missing", phase_id=phase_id)
assert err.phase_id == phase_id
def test_run_id_none_by_default() -> None:
err = MyDeepAgentError.recoverable("x")
assert err.run_id is None
# ---------------------------------------------------------------------------
# __cause__ propagation
# ---------------------------------------------------------------------------
def test_cause_propagation() -> None:
original = ValueError("root cause")
err = MyDeepAgentError.recoverable("wrapped", cause=original)
assert err.__cause__ is original
def test_cause_none_by_default() -> None:
err = MyDeepAgentError.recoverable("no_cause")
assert err.__cause__ is None
# ---------------------------------------------------------------------------
# __repr__ format
# ---------------------------------------------------------------------------
def test_repr_contains_class_and_code() -> None:
err = MyDeepAgentError.recoverable("some_code")
r = repr(err)
assert "class=recoverable" in r
assert "code=some_code" in r
def test_repr_contains_run_id_when_present() -> None:
run_id = UUID("12345678-1234-5678-1234-567812345678")
err = MyDeepAgentError.recoverable("x", run_id=run_id)
assert str(run_id) in repr(err)
def test_repr_contains_hint_when_present() -> None:
err = MyDeepAgentError.recoverable("x", recovery_hint="do something")
assert "do something" in repr(err)
def test_repr_no_hint_when_absent() -> None:
err = MyDeepAgentError.recoverable("x")
assert "hint" not in repr(err)
# ---------------------------------------------------------------------------
# Exception hierarchy
# ---------------------------------------------------------------------------
def test_my_deepagent_error_is_exception() -> None:
err = MyDeepAgentError.recoverable("x")
assert isinstance(err, Exception)
def test_budget_exhausted_is_my_deepagent_error() -> None:
err = BudgetExhaustedError("day:2026-05-15", 1.20, 1.00)
assert isinstance(err, MyDeepAgentError)
# ---------------------------------------------------------------------------
# BudgetExhaustedError
# ---------------------------------------------------------------------------
def test_budget_exhausted_scope() -> None:
err = BudgetExhaustedError("day:2026-05-15", 1.20, 1.00)
assert err.scope == "day:2026-05-15"
def test_budget_exhausted_projected_usd() -> None:
err = BudgetExhaustedError("day:2026-05-15", 1.20, 1.00)
assert err.projected_usd == pytest.approx(1.20)
def test_budget_exhausted_cap_usd() -> None:
err = BudgetExhaustedError("day:2026-05-15", 1.20, 1.00)
assert err.cap_usd == pytest.approx(1.00)
def test_budget_exhausted_error_class() -> None:
err = BudgetExhaustedError("day:2026-05-15", 1.20, 1.00)
assert err.error_class == ErrorClass.HUMAN_REQUIRED
def test_budget_exhausted_code() -> None:
err = BudgetExhaustedError("day:2026-05-15", 1.20, 1.00)
assert err.code == "budget_exhausted"
def test_budget_exhausted_default_recovery_hint() -> None:
err = BudgetExhaustedError("day:2026-05-15", 1.20, 1.00)
assert err.recovery_hint is not None
assert len(err.recovery_hint) > 0
def test_budget_exhausted_custom_recovery_hint() -> None:
err = BudgetExhaustedError("day:2026-05-15", 1.20, 1.00, recovery_hint="call support")
assert err.recovery_hint == "call support"
def test_budget_exhausted_run_id() -> None:
run_id = uuid4()
err = BudgetExhaustedError("run:abc", 0.5, 0.4, run_id=run_id)
assert err.run_id == run_id
def test_budget_exhausted_message_contains_scope() -> None:
err = BudgetExhaustedError("day:2026-05-15", 1.20, 1.00)
assert "day:2026-05-15" in str(err)
def test_budget_exhausted_message_contains_values() -> None:
err = BudgetExhaustedError("scope", 1.2345, 1.0000)
msg = str(err)
assert "1.2345" in msg
assert "1.0000" in msg