import pytest
from unittest.mock import AsyncMock, patch
from app import post_image


@pytest.mark.asyncio
@patch("app.bot.send_photo", new_callable=AsyncMock)
@patch("app.fetch_image", return_value=(
    "https://example.com/full.png",
    "tester",
    "https://derpibooru.org/images/123",
    ["gay", "cute"]
))
async def test_post_image_success(mock_fetch, mock_send_photo, tmp_path, monkeypatch):
    """Тестируем успешную публикацию картинки"""

    # временный файл для sent_images
    monkeypatch.setattr("app.SENT_IMAGES_FILE", tmp_path / "sent.json")
    monkeypatch.setattr("app.sent_images", set())

    await post_image(tags=["gay"])

    mock_fetch.assert_called_once()
    mock_send_photo.assert_awaited_once()