import pytest


@pytest.mark.django_db
def test_home_context_lists_articles(home_page, article_page):
    ctx = home_page.get_context(type("Req", (), {"GET": {}})())
    assert "latest_articles" in ctx


@pytest.mark.django_db
def test_index_context_handles_page_values(article_index, article_page, rf):
    request = rf.get("/", {"page": "notanumber"})
    ctx = article_index.get_context(request)
    assert ctx["articles"].number == 1


@pytest.mark.django_db
def test_get_related_articles_fallback(article_page, article_index):
    related = article_page.get_related_articles()
    assert isinstance(related, list)


def test_auto_tag_colour_returns_valid_css():
    from apps.blog.models import get_auto_tag_colour_css
    css = get_auto_tag_colour_css("test-tag")
    assert css["bg"].startswith("bg-")