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87 lines
3.5 KiB
Python
87 lines
3.5 KiB
Python
#!/usr/bin/env python3
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"""
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Test extension case normalization functionality
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"""
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from unittest.mock import MagicMock
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import pytest
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from bdfr.resource import Resource
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class TestExtensionNormalization:
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"""Test that extensions are properly normalized to lowercase"""
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def test_url_extensions_normalized(self):
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"""Test that extensions from URLs are normalized to lowercase"""
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test_cases = [
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("https://example.com/image.JPG", ".jpg"),
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("https://example.com/image.jpeg", ".jpeg"),
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("https://example.com/image.JPEG", ".jpeg"),
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("https://example.com/image.jpg", ".jpg"),
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("https://example.com/image.PNG", ".png"),
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("https://example.com/image.GIF", ".gif"),
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]
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for url, expected in test_cases:
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mock_submission = MagicMock()
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mock_submission.id = "test123"
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resource = Resource(mock_submission, url, lambda: None)
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assert resource.extension == expected, f"URL {url} should normalize to {expected}, got {resource.extension}"
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def test_reddit_media_urls_normalized(self):
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"""Test that Reddit media URLs are properly normalized"""
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test_cases = [
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("https://www.reddit.com/media?url=https%3A%2F%2Fi.redd.it%2Fr2mv10i4vkfd1.JPG", ".jpg"),
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("https://www.reddit.com/media?url=https%3A%2F%2Fi.redd.it%2Fr2mv10i4vkfd1.jpeg", ".jpeg"),
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("https://www.reddit.com/media?url=https%3A%2F%2Fi.redd.it%2Fr2mv10i4vkfd1.JPEG", ".jpeg"),
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("https://www.reddit.com/media?url=https%3A%2F%2Fi.redd.it%2Fr2mv10i4vkfd1.PNG", ".png"),
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]
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for url, expected in test_cases:
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mock_submission = MagicMock()
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mock_submission.id = "test123"
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resource = Resource(mock_submission, url, lambda: None)
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assert (
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resource.extension == expected
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), f"Reddit media URL {url} should normalize to {expected}, got {resource.extension}"
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def test_constructor_extensions_normalized(self):
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"""Test that extensions passed to constructor are normalized"""
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test_cases = [
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(".JPG", ".jpg"),
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(".JPEG", ".jpeg"),
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(".PNG", ".png"),
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(".GIF", ".gif"),
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# Test extensions without dots (common from yt-dlp)
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("JPG", ".jpg"),
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("JPEG", ".jpeg"),
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("MP4", ".mp4"),
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("WEBM", ".webm"),
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("mp4", ".mp4"),
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("gif", ".gif"),
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]
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for input_ext, expected in test_cases:
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mock_submission = MagicMock()
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mock_submission.id = "test123"
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resource = Resource(mock_submission, "https://example.com/test", lambda: None, input_ext)
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assert (
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resource.extension == expected
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), f"Constructor extension {input_ext} should normalize to {expected}, got {resource.extension}"
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def test_magic_number_detection_normalized(self):
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"""Test that magic number detection returns normalized extensions"""
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mock_submission = MagicMock()
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mock_submission.id = "test123"
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# Test JPEG magic number detection
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jpeg_content = b"\xff\xd8\xff" + b"0" * 100 # JPEG magic number
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resource = Resource(mock_submission, "https://example.com/no-extension", lambda params: jpeg_content)
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resource.download() # Trigger content-based detection
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assert resource.extension == ".jpg", f"Magic number detection should return .jpg, got {resource.extension}"
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