"""Unit tests for Ollama backend helpers."""

import httpx

from navi.exceptions import LLMConnectionError
from navi.llm.ollama import _classify_error


def test_classify_read_timeout_as_connection_error():
    err = _classify_error(httpx.ReadTimeout("timed out"))

    assert isinstance(err, LLMConnectionError)


def test_classify_empty_timeout_message_as_connection_error():
    err = _classify_error(httpx.ReadTimeout(""))

    assert isinstance(err, LLMConnectionError)
    assert str(err) == "ReadTimeout"