36 lines
917 B
Python
36 lines
917 B
Python
"""Thumbnail backfill: _thumb_is_valid helper + backfill_thumbnails planner."""
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import pytest
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from backend.app.tasks.thumbnail import _thumb_is_valid
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pytestmark = pytest.mark.integration
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def test_thumb_is_valid_jpeg(tmp_path):
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p = tmp_path / "good.jpg"
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p.write_bytes(b"\xff\xd8\xff\xe0" + b"\x00" * 100)
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assert _thumb_is_valid(p) is True
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def test_thumb_is_valid_png(tmp_path):
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p = tmp_path / "good.png"
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p.write_bytes(b"\x89PNG\r\n\x1a\n" + b"\x00" * 100)
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assert _thumb_is_valid(p) is True
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def test_thumb_is_valid_too_short(tmp_path):
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p = tmp_path / "tiny"
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p.write_bytes(b"\xff\xd8")
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assert _thumb_is_valid(p) is False
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def test_thumb_is_valid_wrong_magic(tmp_path):
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p = tmp_path / "garbage"
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p.write_bytes(b"\x00" * 12)
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assert _thumb_is_valid(p) is False
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def test_thumb_is_valid_missing_file(tmp_path):
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assert _thumb_is_valid(tmp_path / "nope") is False
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