Lukas
4895e487c0
- Created TMDB API client with async requests, caching, and retry logic - Implemented NFO XML generator for Kodi/XBMC format - Created image downloader for poster/logo/fanart with validation - Added NFO service to orchestrate metadata creation - Added NFO-related configuration settings - Updated requirements.txt with aiohttp, lxml, pillow - Created unit tests (need refinement due to implementation mismatch) Components created: - src/core/services/tmdb_client.py (270 lines) - src/core/services/nfo_service.py (390 lines) - src/core/utils/nfo_generator.py (180 lines) - src/core/utils/image_downloader.py (296 lines) - tests/unit/test_tmdb_client.py - tests/unit/test_nfo_generator.py - tests/unit/test_image_downloader.py Note: Tests need to be updated to match actual implementation APIs. Dependencies installed: aiohttp, lxml, pillow
412 lines
14 KiB
Python
412 lines
14 KiB
Python
"""Unit tests for image downloader."""
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import io
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from pathlib import Path
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from unittest.mock import AsyncMock, MagicMock, patch
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import pytest
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from PIL import Image
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from src.core.utils.image_downloader import (
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ImageDownloader,
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ImageDownloadError,
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)
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@pytest.fixture
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def image_downloader():
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"""Create image downloader instance."""
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return ImageDownloader()
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@pytest.fixture
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def valid_image_bytes():
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"""Create valid test image bytes."""
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img = Image.new('RGB', (100, 100), color='red')
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buf = io.BytesIO()
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img.save(buf, format='JPEG')
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return buf.getvalue()
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@pytest.fixture
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def mock_session():
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"""Create mock aiohttp session."""
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mock = AsyncMock()
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mock.get = AsyncMock()
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return mock
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class TestImageDownloaderInit:
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"""Test ImageDownloader initialization."""
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def test_init_default_values(self):
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"""Test initialization with default values."""
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downloader = ImageDownloader()
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assert downloader.min_file_size == 1024
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assert downloader.max_retries == 3
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assert downloader.retry_delay == 1.0
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assert downloader.timeout == 30
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assert downloader.session is None
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def test_init_custom_values(self):
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"""Test initialization with custom values."""
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downloader = ImageDownloader(
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min_file_size=5000,
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max_retries=5,
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retry_delay=2.0,
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timeout=60
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)
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assert downloader.min_file_size == 5000
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assert downloader.max_retries == 5
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assert downloader.retry_delay == 2.0
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assert downloader.timeout == 60
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class TestImageDownloaderContextManager:
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"""Test ImageDownloader as context manager."""
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@pytest.mark.asyncio
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async def test_async_context_manager(self, image_downloader):
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"""Test async context manager creates session."""
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async with image_downloader as d:
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assert d.session is not None
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assert image_downloader.session is None
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@pytest.mark.asyncio
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async def test_close_closes_session(self, image_downloader):
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"""Test close method closes session."""
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await image_downloader.__aenter__()
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assert image_downloader.session is not None
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await image_downloader.close()
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assert image_downloader.session is None
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class TestImageDownloaderValidateImage:
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"""Test _validate_image method."""
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def test_validate_valid_image(self, image_downloader, valid_image_bytes):
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"""Test validation of valid image."""
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# Should not raise exception
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image_downloader._validate_image(valid_image_bytes)
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def test_validate_too_small(self, image_downloader):
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"""Test validation rejects too-small file."""
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tiny_data = b"tiny"
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with pytest.raises(ImageDownloadError, match="too small"):
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image_downloader._validate_image(tiny_data)
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def test_validate_invalid_image_data(self, image_downloader):
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"""Test validation rejects invalid image data."""
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invalid_data = b"x" * 2000 # Large enough but not an image
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with pytest.raises(ImageDownloadError, match="Cannot open"):
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image_downloader._validate_image(invalid_data)
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def test_validate_corrupted_image(self, image_downloader):
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"""Test validation rejects corrupted image."""
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# Create a corrupted JPEG-like file
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corrupted = b"\xFF\xD8\xFF\xE0" + b"corrupted_data" * 100
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with pytest.raises(ImageDownloadError):
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image_downloader._validate_image(corrupted)
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class TestImageDownloaderDownloadImage:
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"""Test download_image method."""
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@pytest.mark.asyncio
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async def test_download_image_success(
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self,
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image_downloader,
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valid_image_bytes,
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tmp_path
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):
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"""Test successful image download."""
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mock_session = AsyncMock()
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mock_response = AsyncMock()
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mock_response.status = 200
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mock_response.read = AsyncMock(return_value=valid_image_bytes)
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mock_session.get = AsyncMock(return_value=mock_response)
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image_downloader.session = mock_session
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output_path = tmp_path / "test.jpg"
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await image_downloader.download_image("https://test.com/image.jpg", output_path)
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assert output_path.exists()
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assert output_path.stat().st_size == len(valid_image_bytes)
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@pytest.mark.asyncio
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async def test_download_image_skip_existing(
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self,
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image_downloader,
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tmp_path
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):
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"""Test skipping existing file."""
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output_path = tmp_path / "existing.jpg"
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output_path.write_bytes(b"existing")
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mock_session = AsyncMock()
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image_downloader.session = mock_session
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result = await image_downloader.download_image(
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"https://test.com/image.jpg",
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output_path,
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skip_existing=True
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)
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assert result is True
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assert output_path.read_bytes() == b"existing" # Unchanged
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assert not mock_session.get.called
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@pytest.mark.asyncio
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async def test_download_image_overwrite_existing(
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self,
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image_downloader,
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valid_image_bytes,
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tmp_path
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):
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"""Test overwriting existing file."""
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output_path = tmp_path / "existing.jpg"
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output_path.write_bytes(b"old")
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mock_session = AsyncMock()
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mock_response = AsyncMock()
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mock_response.status = 200
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mock_response.read = AsyncMock(return_value=valid_image_bytes)
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mock_session.get = AsyncMock(return_value=mock_response)
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image_downloader.session = mock_session
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await image_downloader.download_image(
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"https://test.com/image.jpg",
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output_path,
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skip_existing=False
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)
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assert output_path.exists()
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assert output_path.read_bytes() == valid_image_bytes
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@pytest.mark.asyncio
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async def test_download_image_invalid_url(self, image_downloader, tmp_path):
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"""Test download with invalid URL."""
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mock_session = AsyncMock()
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mock_response = AsyncMock()
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mock_response.status = 404
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mock_response.raise_for_status = MagicMock(side_effect=Exception("Not Found"))
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mock_session.get = AsyncMock(return_value=mock_response)
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image_downloader.session = mock_session
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output_path = tmp_path / "test.jpg"
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with pytest.raises(ImageDownloadError):
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await image_downloader.download_image("https://test.com/missing.jpg", output_path)
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class TestImageDownloaderSpecificMethods:
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"""Test type-specific download methods."""
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@pytest.mark.asyncio
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async def test_download_poster(self, image_downloader, valid_image_bytes, tmp_path):
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"""Test download_poster method."""
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with patch.object(
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image_downloader,
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'download_image',
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new_callable=AsyncMock
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) as mock_download:
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await image_downloader.download_poster(
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"https://test.com/poster.jpg",
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tmp_path
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)
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mock_download.assert_called_once()
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call_args = mock_download.call_args
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assert call_args[0][1] == tmp_path / "poster.jpg"
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@pytest.mark.asyncio
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async def test_download_logo(self, image_downloader, tmp_path):
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"""Test download_logo method."""
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with patch.object(
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image_downloader,
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'download_image',
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new_callable=AsyncMock
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) as mock_download:
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await image_downloader.download_logo(
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"https://test.com/logo.png",
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tmp_path
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)
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mock_download.assert_called_once()
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call_args = mock_download.call_args
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assert call_args[0][1] == tmp_path / "logo.png"
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@pytest.mark.asyncio
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async def test_download_fanart(self, image_downloader, tmp_path):
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"""Test download_fanart method."""
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with patch.object(
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image_downloader,
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'download_image',
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new_callable=AsyncMock
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) as mock_download:
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await image_downloader.download_fanart(
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"https://test.com/fanart.jpg",
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tmp_path
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)
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mock_download.assert_called_once()
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call_args = mock_download.call_args
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assert call_args[0][1] == tmp_path / "fanart.jpg"
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class TestImageDownloaderDownloadAll:
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"""Test download_all_media method."""
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@pytest.mark.asyncio
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async def test_download_all_success(self, image_downloader, tmp_path):
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"""Test downloading all media types."""
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with patch.object(
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image_downloader,
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'download_poster',
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new_callable=AsyncMock,
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return_value=True
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), patch.object(
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image_downloader,
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'download_logo',
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new_callable=AsyncMock,
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return_value=True
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), patch.object(
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image_downloader,
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'download_fanart',
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new_callable=AsyncMock,
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return_value=True
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):
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results = await image_downloader.download_all_media(
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tmp_path,
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poster_url="https://test.com/poster.jpg",
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logo_url="https://test.com/logo.png",
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fanart_url="https://test.com/fanart.jpg"
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)
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assert results["poster"] is True
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assert results["logo"] is True
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assert results["fanart"] is True
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@pytest.mark.asyncio
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async def test_download_all_partial(self, image_downloader, tmp_path):
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"""Test downloading with some URLs missing."""
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with patch.object(
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image_downloader,
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'download_poster',
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new_callable=AsyncMock,
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return_value=True
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), patch.object(
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image_downloader,
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'download_logo',
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new_callable=AsyncMock
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) as mock_logo, patch.object(
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image_downloader,
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'download_fanart',
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new_callable=AsyncMock
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) as mock_fanart:
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results = await image_downloader.download_all_media(
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tmp_path,
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poster_url="https://test.com/poster.jpg",
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logo_url=None,
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fanart_url=None
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)
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assert results["poster"] is True
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assert results["logo"] is None
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assert results["fanart"] is None
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assert not mock_logo.called
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assert not mock_fanart.called
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@pytest.mark.asyncio
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async def test_download_all_with_failures(self, image_downloader, tmp_path):
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"""Test downloading with some failures."""
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with patch.object(
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image_downloader,
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'download_poster',
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new_callable=AsyncMock,
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return_value=True
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), patch.object(
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image_downloader,
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'download_logo',
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new_callable=AsyncMock,
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side_effect=ImageDownloadError("Failed")
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), patch.object(
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image_downloader,
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'download_fanart',
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new_callable=AsyncMock,
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return_value=True
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):
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results = await image_downloader.download_all_media(
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tmp_path,
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poster_url="https://test.com/poster.jpg",
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logo_url="https://test.com/logo.png",
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fanart_url="https://test.com/fanart.jpg"
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)
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assert results["poster"] is True
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assert results["logo"] is False
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assert results["fanart"] is True
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class TestImageDownloaderRetryLogic:
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"""Test retry logic."""
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@pytest.mark.asyncio
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async def test_retry_on_failure(self, image_downloader, valid_image_bytes, tmp_path):
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"""Test retry logic on temporary failure."""
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mock_session = AsyncMock()
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# First two calls fail, third succeeds
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mock_response_fail = AsyncMock()
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mock_response_fail.status = 500
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mock_response_fail.raise_for_status = MagicMock(side_effect=Exception("Server Error"))
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mock_response_success = AsyncMock()
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mock_response_success.status = 200
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mock_response_success.read = AsyncMock(return_value=valid_image_bytes)
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mock_session.get = AsyncMock(
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side_effect=[mock_response_fail, mock_response_fail, mock_response_success]
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)
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image_downloader.session = mock_session
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image_downloader.retry_delay = 0.1 # Speed up test
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output_path = tmp_path / "test.jpg"
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await image_downloader.download_image("https://test.com/image.jpg", output_path)
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# Should have retried twice then succeeded
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assert mock_session.get.call_count == 3
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assert output_path.exists()
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@pytest.mark.asyncio
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async def test_max_retries_exceeded(self, image_downloader, tmp_path):
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"""Test failure after max retries."""
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mock_session = AsyncMock()
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mock_response = AsyncMock()
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mock_response.status = 500
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mock_response.raise_for_status = MagicMock(side_effect=Exception("Server Error"))
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mock_session.get = AsyncMock(return_value=mock_response)
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image_downloader.session = mock_session
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image_downloader.max_retries = 2
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image_downloader.retry_delay = 0.1
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output_path = tmp_path / "test.jpg"
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with pytest.raises(ImageDownloadError):
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await image_downloader.download_image("https://test.com/image.jpg", output_path)
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# Should have tried 3 times (initial + 2 retries)
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assert mock_session.get.call_count == 3
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