task-sdk/tests/task_sdk/test_exceptions.py

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from __future__ import annotations

import pytest

from airflow.sdk.exceptions import NodeNotFound, TaskNotFound


def test_node_not_found_is_subclass_of_task_not_found():
    assert issubclass(NodeNotFound, TaskNotFound)


def test_node_not_found_is_subclass_of_key_error():
    assert issubclass(NodeNotFound, KeyError)


def test_node_not_found_caught_as_key_error():
    with pytest.raises(KeyError):
        raise NodeNotFound("missing_task")


def test_node_not_found_caught_as_task_not_found():
    with pytest.raises(TaskNotFound):
        raise NodeNotFound("missing_task")


def test_node_not_found_str_suppresses_key_error_repr():
    assert str(NodeNotFound("missing")) == "missing"