Update embedfs implementation #137
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pjbgf
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Jul 24, 2025
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@this-kirke thanks for proposing these changes. Please take a look at the feedback below.
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Hi Paulo! Thank you for the review. I've updated with requested changes; all tests pass. |
pjbgf
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@this-kirke Thanks for the follow up. I just did a full review now, there are a few tests that are redundant which we can remove. But otherwise it LGTM.
Please squash your commits once you are done with the changes below.
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Thank you for the detailed review! I agree on all points. I think everything should be resolved now; please let me know if there's anything else you notice. We can squash on complete. |
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- Fix path normalization to support billy's absolute path convention ("/")
- Implement missing Lstat method (was returning ErrNotSupported)
- Add proper embed.FS to billy path conversion throughout all methods
Additional test coverage:
- Add dedicated test files for different functionality areas
- Test File interface methods including ReadAt, Close, Lock/Unlock
- Add path normalization and edge case testing
- Test empty file handling and boundary conditions
- Verify proper error handling for read-only operations
Test infrastructure:
- Create embedfs_testdata package for reusable test data
- Resolve import cycles with clean provider pattern
- Add test data including nested directories and various file types
- Organize tests by functionality (fs, dir, file operations)
The embedfs implementation now provides billy.Filesystem compliance
for read-only embedded filesystems.
- Remove memfs dependency and use local sorting for ReadDir - Implement chroot support by wrapping embedfs with chroot.New() in New() - Add comprehensive chroot tests covering read-only operations - Follow same pattern as memfs and osfs for consistent API - Maintain read-only behavior - write operations still return ErrReadOnly This enables embedfs to work with filesystem abstractions that require chroot support for path isolation.
- Move embedfs_testdata directory to embedfs/internal/testdata
- Change package name from embedfs_testdata to testdata
- Update all import paths in test files to use new location
- Update function calls from embedfs_testdata.GetTestData() to testdata.GetTestData()
- Fix test expectations for ReadDir("") to match actual billy filesystem behavior
- Fix file name assertion to match embedded filesystem path structure
- Add missing newlines to end of test files
Co-authored-by: Paulo Gomes <paulo.gomes.uk@gmail.com>
Signed-off-by: Paulo Gomes <pjbgf@linux.com>
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Quite a few suggestions I made were marked as resolved without them being acted upon. I added some of them on the last commit, but don't really have the time atm to review everything that was incorrectly marked as resolved. |
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Fixes to embedfs implementation:
Additional test coverage:
Test infrastructure:
The embedfs implementation now provides billy.Filesystem compliance for read-only embedded filesystems.