from __future__ import annotations

from app.change_detection.extractors import extract_prices, mentions_leadership_title


def test_extract_prices_finds_dollar_amounts():
    text = "The Pro plan is $49/month and the Enterprise plan is $199.99/month."
    prices = extract_prices(text)
    assert "$49/month" in prices
    assert "$199.99/month" in prices


def test_extract_prices_empty_when_no_prices():
    assert extract_prices("No pricing information on this page.") == set()


def test_mentions_leadership_title_detects_ceo():
    assert mentions_leadership_title("Jane Smith has been appointed as the new CEO.") is True


def test_mentions_leadership_title_false_when_absent():
    assert mentions_leadership_title("We shipped a new feature this week.") is False