thermograph/tests/test_content.py

"""Tests for the crawlable SEO content pages: the city set, robots/sitemap, and
that the server-rendered pages contain the stats in the HTML (with the weather
layer faked, like test_api.py)."""
import pytest
from fastapi.testclient import TestClient

import app as appmod
import cities
import climate

# BASE defaults to /thermograph in tests (THERMOGRAPH_BASE unset).
B = "/thermograph"
SLUG = "london-england-gb"   # present in cities.json


@pytest.fixture
def client(monkeypatch, history, recent):
    monkeypatch.setattr(climate, "load_cached_history", lambda cell: history.clone())
    monkeypatch.setattr(climate, "get_recent_forecast", lambda cell: recent.clone())
    monkeypatch.setattr(climate, "get_history", lambda cell: (history.clone(), {"cached": True}))
    return TestClient(appmod.app)


def test_city_set_slugs_unique_and_lookup():
    slugs = cities.all_slugs()
    assert len(slugs) == len(set(slugs)) >= 100
    assert cities.get(SLUG) is not None
    assert cities.get("does-not-exist") is None


def test_robots_txt(client):
    r = client.get(f"{B}/robots.txt")
    assert r.status_code == 200
    assert "Sitemap:" in r.text and "/sitemap.xml" in r.text
    assert "Disallow: /thermograph/api/" in r.text


def test_sitemap_lists_city_urls(client):
    r = client.get(f"{B}/sitemap.xml")
    assert r.status_code == 200
    assert "<urlset" in r.text
    assert f"/climate/{SLUG}</loc>" in r.text
    assert f"/climate/{SLUG}/july</loc>" in r.text
    assert f"/climate/{SLUG}/records</loc>" in r.text


def test_city_page_renders_stats_in_html(client):
    r = client.get(f"{B}/climate/{SLUG}")
    assert r.status_code == 200
    b = r.text
    assert "London" in b and "climate" in b.lower()
    assert 'rel="canonical"' in b and f"/climate/{SLUG}" in b
    assert '"@type":"Dataset"' in b
    assert "average temperatures by month" in b.lower()
    # a real number rendered (°F appears in the normals/today text)
    assert "°F" in b


def test_city_404(client):
    assert client.get(f"{B}/climate/nope-not-a-city").status_code == 404


def test_curated_events_have_valid_slugs():
    import city_events
    slugs = set(cities.all_slugs())
    assert len(city_events.EVENTS) >= 20
    assert all(s in slugs for s in city_events.EVENTS), \
        [s for s in city_events.EVENTS if s not in slugs]


def test_curated_event_renders(client):
    b = client.get(f"{B}/climate/new-orleans-louisiana-us").text
    assert "Notable weather in New Orleans" in b
    assert "Hurricane Katrina" in b


def test_uncurated_city_has_no_event_section(client):
    b = client.get(f"{B}/climate/shanghai-cn").text
    assert "city-event" not in b     # falls back to the flavor blurb


def test_city_travel_cta_prefills_compare(client):
    b = client.get(f"{B}/climate/{SLUG}").text
    assert "Thinking of visiting" in b
    assert "/compare#loc=" in b            # the city is pre-loaded on the compare page


def test_city_blurb_renders_with_attribution(client, monkeypatch):
    monkeypatch.setattr(cities, "flavor",
                        lambda slug: {"extract": "Testville is a lovely place to test.",
                                      "url": "https://en.wikipedia.org/wiki/Testville", "title": "Testville"})
    b = client.get(f"{B}/climate/{SLUG}").text
    assert "Testville is a lovely place to test." in b
    assert "via Wikipedia" in b            # CC BY-SA attribution link


def test_month_and_records(client):
    assert client.get(f"{B}/climate/{SLUG}/july").status_code == 200
    assert client.get(f"{B}/climate/{SLUG}/records").status_code == 200
    assert client.get(f"{B}/climate/{SLUG}/notamonth").status_code == 404


def test_month_records_cover_every_metric_high_and_low(client):
    # The month page's records show a record high AND low for each metric present, not
    # just warmest/coldest temperature — one card per metric with both extremes. (The
    # test fixture carries tmax/tmin/precip; real cities add feels/humidity/wind/gust.)
    b = client.get(f"{B}/climate/{SLUG}/july").text
    assert "July records" in b
    for label in ("High", "Low", "Precip"):
        assert f'class="rc-metric">{label}<' in b
    # Every card carries a labelled high and low row (temp metrics use Highest/Lowest).
    n = b.count('rc-row rc-high')
    assert n >= 3 and b.count('rc-row rc-low') == n
    assert "Highest" in b and "Lowest" in b
    # Precip's extremes are the wettest/driest whole month by total accumulation.
    assert "Wettest" in b and "Driest" in b


def test_records_page_has_monthly_and_seasonal(client):
    b = client.get(f"{B}/climate/{SLUG}/records").text
    # Monthly records: all 12 months, each linking to its month page.
    assert "Records by month" in b
    for month in ("January", "July", "December"):
        assert month in b
    assert f"/climate/{SLUG}/january" in b
    # Seasonal records: labelled for London's Northern Hemisphere, with month spans.
    assert "Records by season" in b
    assert "Northern Hemisphere" in b
    assert 'Winter <span class="season-span">(Dec–Feb)</span>' in b
    assert 'Summer <span class="season-span">(Jun–Aug)</span>' in b
    # All-time table still present, plus structured data and real °F values.
    assert "All-time records" in b
    assert '"@type":"Dataset"' in b and "°F" in b
    # Title/description advertise the new coverage.
    assert "monthly" in b.lower() and "seasonal" in b.lower()


def test_records_seasons_flip_in_southern_hemisphere(client):
    # São Paulo is south of the equator, so Dec–Feb is summer, not winter.
    b = client.get(f"{B}/climate/sao-paulo-br/records").text
    assert "Southern Hemisphere" in b
    assert 'Summer <span class="season-span">(Dec–Feb)</span>' in b
    assert 'Winter <span class="season-span">(Jun–Aug)</span>' in b


def test_climate_pages_are_colour_coded(client):
    # Temperatures wear the diverging cold→hot palette (a heat map, not a plain grid),
    # and the city page carries the monthly temperature-range strip.
    city = client.get(f"{B}/climate/{SLUG}").text
    assert "t-cell t-" in city              # tinted temperature cells in the normals table
    assert "range-fill" in city and "--c1:var(--" in city   # the monthly range strip's gradient bars
    recs = client.get(f"{B}/climate/{SLUG}/records").text
    assert "t-inline t-" in recs            # tinted record chips
    month = client.get(f"{B}/climate/{SLUG}/july").text
    assert "t-inline t-" in month           # tinted hero numbers + records


def test_records_show_both_extremes_per_metric(client):
    # Each metric column shows BOTH its record warmest (▲) and coldest (▼) — so the
    # daytime high carries its record-low high, and the overnight low its record-high low.
    b = client.get(f"{B}/climate/{SLUG}/records").text
    assert "Daytime high" in b and "Overnight low" in b
    assert "▲" in b and "▼" in b
    # 12 months × 2 metric columns × 2 extremes = 48 chips just in the monthly table.
    assert b.count('class="rec-ext"') >= 48


def test_hub_glossary_about(client):
    assert client.get(f"{B}/climate").status_code == 200
    assert client.get(f"{B}/glossary").status_code == 200
    assert client.get(f"{B}/glossary/percentile").status_code == 200
    assert client.get(f"{B}/glossary/not-a-term").status_code == 404
    assert client.get(f"{B}/about").status_code == 200


def test_climate_pages_carry_convertible_temps(client):
    # Every temperature is a client-convertible span (default °F text so crawlers
    # and no-JS visitors still see a real value); the old inline "(NN°C)" dual form
    # is gone (the toggle now supplies Celsius).
    import re
    for path in (f"{B}/climate/{SLUG}", f"{B}/climate/{SLUG}/july", f"{B}/climate/{SLUG}/records"):
        b = client.get(path).text
        assert 'class="temp" data-temp-f=' in b
        assert "°F" in b
        assert re.search(r"\d+°F \(-?\d+°C\)", b) is None   # no leftover dual-unit strings


def test_seo_pages_load_unit_and_account_scripts(client):
    # Header parity with the interactive pages: the °F/°C toggle, account/bell, and
    # the temperature converter are all loaded.
    b = client.get(f"{B}/climate/{SLUG}").text
    for src in (f"{B}/units.js", f"{B}/account.js", f"{B}/climate.js"):
        assert f'src="{src}"' in b