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maziggy
055243683c
When FTP download of a 3MF fails (e.g. BambuStudio-initiated prints), the fallback archive has file_path="". Path.exists() on settings.base_dir / "" resolves to the base directory itself and returns True, so ZipFile() then fails with [Errno 21] Is a directory. Replace .exists() with .is_file() across all 15 archive route checks and 1 in main.py. Add file_path truthiness guard for finish photo capture to prevent saving photos under the base directory.
93 lines
3.5 KiB
Python
93 lines
3.5 KiB
Python
"""Tests for archive file_path guard against empty paths and directories (#475).
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When a 3mf download fails (e.g. BambuStudio-initiated prints), the fallback
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archive is created with file_path="". Previously, `settings.base_dir / ""`
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resolved to the base directory itself, which passed `exists()` but caused
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`[Errno 21] Is a directory` when opened as a ZipFile.
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The fix replaces `.exists()` with `.is_file()` across all archive endpoints,
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and adds an `archive.file_path` truthiness check for photo capture.
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"""
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from pathlib import Path
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import pytest
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class TestIsFileGuard:
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"""Verify that is_file() correctly rejects directories and empty paths."""
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def test_empty_path_resolves_to_parent(self, tmp_path: Path):
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"""Path('') / '' resolves to the parent directory (which exists but is not a file)."""
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base_dir = tmp_path / "data"
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base_dir.mkdir()
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file_path = base_dir / ""
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# exists() returns True (the directory exists) — this was the old broken check
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assert file_path.exists()
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# is_file() returns False (it's a directory, not a file)
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assert not file_path.is_file()
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def test_real_file_passes_is_file(self, tmp_path: Path):
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"""A real 3mf file passes is_file()."""
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fake_3mf = tmp_path / "archive" / "test.3mf"
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fake_3mf.parent.mkdir(parents=True)
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fake_3mf.write_bytes(b"PK\x03\x04") # ZIP magic bytes
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assert fake_3mf.is_file()
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def test_nonexistent_file_fails_is_file(self, tmp_path: Path):
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"""A nonexistent path fails is_file()."""
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missing = tmp_path / "archive" / "missing.3mf"
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assert not missing.is_file()
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def test_directory_fails_is_file(self, tmp_path: Path):
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"""A directory path fails is_file()."""
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dir_path = tmp_path / "archive"
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dir_path.mkdir()
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assert not dir_path.is_file()
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class TestFallbackArchiveFilePath:
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"""Verify that a fallback archive (file_path='') is handled safely."""
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def test_base_dir_slash_empty_string_is_base_dir(self, tmp_path: Path):
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"""Joining base_dir with empty string produces base_dir (a directory)."""
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base_dir = tmp_path / "data"
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base_dir.mkdir()
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# Simulate: file_path = settings.base_dir / archive.file_path
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# where archive.file_path = ""
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file_path = base_dir / ""
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# The resolved path IS the directory itself
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assert file_path.resolve() == base_dir.resolve()
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# exists() says True (this caused the old bug)
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assert file_path.exists()
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# is_file() says False (this is the fix)
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assert not file_path.is_file()
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def test_archive_file_path_empty_string_is_falsy(self):
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"""Empty string file_path is falsy (used for photo capture guard)."""
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file_path = ""
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assert not file_path
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def test_archive_file_path_real_is_truthy(self):
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"""Real file_path is truthy."""
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file_path = "archive/2026/02/test.3mf"
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assert file_path
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class TestPhotoPathDerivation:
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"""Verify that photo directory derivation is safe with empty file_path."""
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def test_empty_file_path_parent_is_dot(self):
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"""Path('').parent is '.' — would resolve to base_dir instead of archive dir."""
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parent = Path("").parent
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assert str(parent) == "."
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def test_real_file_path_parent_is_archive_dir(self):
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"""Real file_path parent gives the correct archive directory."""
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parent = Path("archive/2026/02/test.3mf").parent
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assert str(parent) == "archive/2026/02"
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