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0d4fb1bc89
Target previously-uncovered functions in the path/file-operation files the
resolver restructure touches, confirmed hit under coverage:
preallocate --preallocate (syscall.c do_fallocate) and sparse hole-punching
via --preallocate --sparse and --inplace --sparse (do_punch_hole),
on a file several levels deep.
fuzzy-basis --fuzzy basis selection with similar-named candidates and no
exact match, so the generator scores them (util1.c fuzzy_distance).
delete-deep add a --backup --delete case so removing an extraneous
backup-suffixed file consults delete.c is_backup_file.
preallocate probes --preallocate support up front and skips where it is
unavailable: macOS, the *BSDs and Solaris build without fallocate/posix_fallocate
(and FALLOC_FL_PUNCH_HOLE is Linux-only), and reject the option outright. It runs
on Linux and Cygwin. fuzzy-basis and delete-deep are plain local transfers with
no skips. All green on master and under --protocol=29/30.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
38 lines
1.3 KiB
Python
38 lines
1.3 KiB
Python
#!/usr/bin/env python3
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"""Coverage of --fuzzy basis selection scoring (util1.c fuzzy_distance).
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When the destination has no exact match for a source file, --fuzzy makes the
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generator score the same-directory candidates by name similarity (fuzzy_distance)
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and use the closest as the delta basis. Set this up at depth with several
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similar-named candidates so the scorer actually runs.
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"""
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import os
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from rsyncfns import (
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FROMDIR, TODIR,
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assert_same, make_data_file, makepath, rmtree, run_rsync,
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)
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src = FROMDIR
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deepdir = os.path.join('d1', 'd2')
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newfile = os.path.join(deepdir, 'archive-v2.tar')
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rmtree(src)
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rmtree(TODIR)
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makepath(src / deepdir, TODIR / deepdir)
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make_data_file(src / newfile, 300_000)
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base = (src / newfile).read_bytes()
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# Destination has NO 'archive-v2.tar', but several similar-named candidates that
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# are mostly identical to it -- so fuzzy must score them by name distance.
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(TODIR / deepdir / 'archive-v1.tar').write_bytes(base[:280_000] + b'older tail data')
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(TODIR / deepdir / 'archive-old.tar').write_bytes(base[:200_000])
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(TODIR / deepdir / 'unrelated.dat').write_bytes(b'nothing alike' * 1000)
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run_rsync('-a', '--fuzzy', '--no-whole-file', f'{src}/', f'{TODIR}/')
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assert_same(TODIR / newfile, src / newfile, label='fuzzy result')
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print("fuzzy-basis: --fuzzy candidate scoring (fuzzy_distance) verified at depth")
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