"""Unit tests for the keyword pre-filter (news/relevance.py) that gates Groq calls."""

from news.relevance import score


def test_rejects_text_with_no_business_signal():
    result = score("Bunk mates fall out over missing snacks at boarding school dormitory")
    assert result["is_candidate"] is False
    assert result["matched_keywords"] == []


def test_rejects_isolated_incident_with_no_business_angle():
    result = score("Aircraft loses contact mid-flight before making emergency landing")
    assert result["is_candidate"] is False


def test_accepts_policy_item():
    result = score("CBN raises interest rate, forex dealers react")
    assert result["is_candidate"] is True
    assert "cbn" in result["matched_keywords"]


def test_accepts_funding_item():
    result = score("BOI opens new loan scheme for small manufacturers")
    assert result["is_candidate"] is True


def test_accepts_weather_item():
    result = score("NiMet issues flood warning for Lagos ahead of heavy rainfall")
    assert result["is_candidate"] is True


def test_accepts_security_item_with_business_operational_angle():
    result = score("Bandits attack causes market shutdown order in Zamfara")
    assert result["is_candidate"] is True