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more test coverage improvements#914

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tridge merged 5 commits into
RsyncProject:masterfrom
tridge:pr-test-coverage2
May 24, 2026
Merged

more test coverage improvements#914
tridge merged 5 commits into
RsyncProject:masterfrom
tridge:pr-test-coverage2

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@tridge tridge commented May 24, 2026

and ignore upstream libs

The coverage report counted bundled third-party code (zlib/, popt/, and the
PostgreSQL/ISC lib/ imports getaddrinfo/getpass/inet_ntop/inet_pton) that rsync
ships but does not own, muddying the percentages. Add a COVERAGE_EXCLUDE gcovr
filter (shared by all coverage targets) so the report reflects rsync's own code:
on the same data, lines 63.9%->65.5%, functions 81.4%->85.0%, branches
55.0%->56.5% (rsync's own md5/mdfour/wildmatch/etc. stay in the report).

Add 'make coverage-all': run the suite under pipe + --protocol=30 + --protocol=29
+ --use-tcp, accumulating into the shared .gcda (not cleared between runs), then
one merged scoped report -- covers the daemon/TCP and protocol-compat paths a
single pipe run misses (lines 67.6%, functions 87.6%, branches 58.6%). Also add
'make coverage-fallback' for a separate --disable-openat2 build (different .gcno,
so it can't merge with the openat2 report). CI is unchanged.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
@tridge tridge force-pushed the pr-test-coverage2 branch from 4f1fc8f to fbe760b Compare May 24, 2026 20:04
tridge and others added 4 commits May 25, 2026 07:07
Target the lowest-coverage rsync files identified from a merged (pipe + proto29/30
+ tcp) gcov report:

  daemon-access-ip  hosts allow / hosts deny with exact-IP and CIDR patterns over
                    --use-tcp, exercising access.c make_mask/match_address/
                    match_binary (19% -> 62% lines), plus client --address
                    (socket.c try_bind_local). require_tcp.
  daemon-config     the &include rsyncd.conf directive (params.c include_config/
                    parse_directives, 48% -> 60%) and a module with a missing path
                    (clientserver.c path_failure).
  stop-time         --stop-at future/past (options.c parse_time) and --stop-after
                    (options.c 59% -> 64%).

Merged scoped coverage: lines 67.3%->68.3%, functions 87.5%->88.4%.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
…on-access-ip

The --expect-skipped check compared the skip list as an ordered string, so the
per-platform RSYNC_EXPECT_SKIPPED lists had to match runtests' collection order
(sorted filenames) exactly -- a subtle, easy-to-break ordering dependency.
Compare the skipped SET instead; which tests skipped is what matters.

Register the new require_tcp test daemon-access-ip in the per-platform
expected-skipped lists (it skips in the pipe-transport make check, like
daemon-chroot-acl and proxy-response-line-too-long).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
…elete.c)

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>
The OpenBSD job runs inside a nested VM. At -j8 the --use-tcp run starts
many concurrent loopback daemons, and under that resource pressure the
daemon connection handshake occasionally loses a timing race and one test
hangs to the 300s runner timeout. It is an environment artifact, not an
rsync defect: the daemon handshake writes-then-reads with unbuffered early
I/O (no flush/mutual-wait deadlock), the indefinite wait is the documented
no-timeout daemon behaviour, and it does not reproduce off OpenBSD even with
the full suite pinned to a single CPU at -j8.

Drop just this job's --use-tcp parallelism to -j2 so the nested VM stops
over-subscribing; the pipe `make check` and every other platform are
unchanged.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
@tridge tridge force-pushed the pr-test-coverage2 branch from cfc7f5b to f50175e Compare May 24, 2026 21:14
@tridge tridge merged commit bc63ea8 into RsyncProject:master May 24, 2026
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