test: delete-policy unit and integration coverage

Unit: walker all-or-nothing bounds (exceeded -> nothing removed + distinct
result; exact bound -> deletes), protected-prefix skipping, config wire
round-trip for force_delete/delete_excluded/prune_empty_dirs/max_delete, CLI
parse/validation for the new flags.  Integration (TestDeletePolicy): default
delete-excluded protection and --delete-excluded opt-out (single-thread, -m,
early --delete-before, excluded-dir subtrees), --max-delete all-or-nothing over
and at the limit, --force file-over-nonempty-dir replacement, --prune-empty-dirs
(--dirs mode + recursion-mode parity), and --ignore-errors keeping deletion
active across a genuine scan I/O error (run as an unprivileged user).
This commit is contained in:
2026-09-06 21:50:12 +02:00
parent 0b25bacb18
commit 1de2677bb1
6 changed files with 675 additions and 7 deletions
+339
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@@ -2107,6 +2107,345 @@ class TestDeleteTiming:
assert os.path.exists(extra), "unauthorized delete removed an extra file"
def _seed_delete_tree(tag, entries, dest):
"""Create a source tree and seed a full mirror at `dest`, returning
(source, received_mirror)."""
source = os.path.join(TEST_DATA_DIR, f"delpol_{tag}_src")
clean_dir(source)
for rel, content in entries.items():
full = os.path.join(source, rel)
os.makedirs(os.path.dirname(full), exist_ok=True)
with open(full, "wb") as fh:
fh.write(content)
clean_dir(dest)
with ServerManager() as server:
server.start(extra_args=["--allow-delete"])
result, _ = run_client(source, dest, port=server.port)
assert result.returncode == 0, f"seed sync failed: {result.stderr[:200]}"
received = get_dest_received_dir(dest, source)
return source, received
class TestDeletePolicy:
"""Deletion-policy family: --delete-excluded, --max-delete, --force,
--ignore-errors and --prune-empty-dirs."""
def _write(self, path, content):
os.makedirs(os.path.dirname(path), exist_ok=True)
with open(path, "wb") as fh:
fh.write(content)
@pytest.mark.parametrize("mt", [False, True])
@pytest.mark.parametrize("timing", ["--delete", "--delete-before"])
def test_delete_protects_excluded_by_default_and_delete_excluded_removes(self, mt, timing):
"""rsync parity: with --delete a destination mirror path whose source was
excluded survives (protected by default); --delete-excluded opts back
into deleting it. Verified single-threaded, -m, and an early timing
run (--delete-before) where the manifest arrives before any data."""
source = os.path.join(TEST_DATA_DIR, f"delexcl_{timing.strip('-')}_{mt}_src")
clean_dir(source)
entries = {
"keep.txt": b"kept\n",
"secret.log": b"secret\n",
"sub/nested.log": b"nested secret\n",
}
for rel, content in entries.items():
self._write(os.path.join(source, rel), content)
dest = os.path.join(TEST_DATA_DIR, f"delexcl_{timing.strip('-')}_{mt}_dst")
clean_dir(dest)
with ServerManager() as server:
server.start(extra_args=["--allow-delete"])
result, _ = run_client(source, dest, port=server.port)
assert result.returncode == 0, f"seed sync failed: {result.stderr[:200]}"
received = get_dest_received_dir(dest, source)
self._write(os.path.join(received, "extra.txt"), b"extra\n")
# Default: the excluded mirrors survive --delete, genuine extras die.
flags = ["--exclude", "*.log", timing] + (["-m"] if mt else [])
result, _ = run_client(source, dest, flags=flags, port=server.port)
assert result.returncode == 0, \
f"default delete sync failed: {(result.stderr or result.stdout)[:300]}"
assert os.path.exists(os.path.join(received, "secret.log")), \
"excluded dest file was deleted under plain --delete (rsync protects it)"
assert os.path.exists(os.path.join(received, "sub", "nested.log")), \
"nested excluded dest file was deleted under plain --delete"
assert not os.path.exists(os.path.join(received, "extra.txt")), \
"genuine extra was not deleted"
# --delete-excluded: excluded mirrors are extras again and die.
self._write(os.path.join(received, "extra.txt"), b"extra\n")
flags = ["--exclude", "*.log", timing, "--delete-excluded"] + (["-m"] if mt else [])
result, _ = run_client(source, dest, flags=flags, port=server.port)
assert result.returncode == 0, \
f"--delete-excluded sync failed: {(result.stderr or result.stdout)[:300]}"
assert not os.path.exists(os.path.join(received, "secret.log")), \
"--delete-excluded did not remove the excluded dest file"
assert not os.path.exists(os.path.join(received, "sub", "nested.log")), \
"--delete-excluded did not remove the nested excluded dest file"
assert not os.path.exists(os.path.join(received, "extra.txt")), \
"genuine extra survived --delete-excluded"
assert _read_file(os.path.join(received, "keep.txt")) == b"kept\n"
@pytest.mark.parametrize("mt", [False, True])
def test_delete_excluded_excluded_directory_subtree(self, mt):
"""A whole source directory excluded by a filter rule protects its whole
destination mirror by default; --delete-excluded removes the subtree."""
source = os.path.join(TEST_DATA_DIR, f"delexcldir_{mt}_src")
clean_dir(source)
self._write(os.path.join(source, "keep.txt"), b"kept\n")
self._write(os.path.join(source, "skipdir", "a.log"), b"a\n")
self._write(os.path.join(source, "skipdir", "deep", "b.log"), b"b\n")
dest = os.path.join(TEST_DATA_DIR, f"delexcldir_{mt}_dst")
clean_dir(dest)
with ServerManager() as server:
server.start(extra_args=["--allow-delete"])
result, _ = run_client(source, dest, port=server.port)
assert result.returncode == 0, f"seed sync failed: {result.stderr[:200]}"
received = get_dest_received_dir(dest, source)
flags = ["--filter=- skipdir/", "--delete"] + (["-m"] if mt else [])
result, _ = run_client(source, dest, flags=flags, port=server.port)
assert result.returncode == 0, \
f"default delete sync failed: {(result.stderr or result.stdout)[:300]}"
assert os.path.exists(os.path.join(received, "skipdir", "a.log")), \
"excluded dir subtree was deleted under plain --delete"
assert os.path.exists(os.path.join(received, "skipdir", "deep", "b.log")), \
"nested excluded dir content was deleted under plain --delete"
flags = ["--filter=- skipdir/", "--delete", "--delete-excluded"] + (["-m"] if mt else [])
result, _ = run_client(source, dest, flags=flags, port=server.port)
assert result.returncode == 0, \
f"--delete-excluded sync failed: {(result.stderr or result.stdout)[:300]}"
assert not os.path.exists(os.path.join(received, "skipdir")), \
"--delete-excluded did not remove the excluded dir subtree"
@pytest.mark.parametrize("mt", [False, True])
@pytest.mark.parametrize("timing", ["--delete", "--delete-before"])
def test_max_delete_exceeded_fails_without_deleting(self, mt, timing):
"""A run that would exceed --max-delete deletes nothing and fails."""
source = os.path.join(TEST_DATA_DIR, f"maxdel_{timing.strip('-')}_{mt}_src")
clean_dir(source)
self._write(os.path.join(source, "keep.txt"), b"kept\n")
dest = os.path.join(TEST_DATA_DIR, f"maxdel_{timing.strip('-')}_{mt}_dst")
clean_dir(dest)
with ServerManager() as server:
server.start(extra_args=["--allow-delete"])
result, _ = run_client(source, dest, port=server.port)
assert result.returncode == 0, f"seed sync failed: {result.stderr[:200]}"
received = get_dest_received_dir(dest, source)
extras = []
for i in range(4):
name = f"e{i}.txt"
self._write(os.path.join(received, name), b"extra\n")
extras.append(os.path.join(received, name))
flags = ["--max-delete=2", timing] + (["-m"] if mt else [])
result, _ = run_client(source, dest, flags=flags, port=server.port)
assert result.returncode != 0, \
f"--max-delete=2 with 4 extras unexpectedly succeeded: {result.stderr[:300]}"
for path in extras:
assert os.path.exists(path), \
"--max-delete overrun deleted files (must be all-or-nothing)"
@pytest.mark.parametrize("mt", [False, True])
def test_max_delete_not_exceeded_deletes_exactly(self, mt):
"""When the extras are at or below --max-delete the run succeeds and
removes exactly the extras."""
source = os.path.join(TEST_DATA_DIR, f"maxdelok_{mt}_src")
clean_dir(source)
self._write(os.path.join(source, "keep.txt"), b"kept\n")
dest = os.path.join(TEST_DATA_DIR, f"maxdelok_{mt}_dst")
clean_dir(dest)
with ServerManager() as server:
server.start(extra_args=["--allow-delete"])
result, _ = run_client(source, dest, port=server.port)
assert result.returncode == 0, f"seed sync failed: {result.stderr[:200]}"
received = get_dest_received_dir(dest, source)
for i in range(3):
self._write(os.path.join(received, f"e{i}.txt"), b"extra\n")
flags = ["--max-delete=3", "--delete"] + (["-m"] if mt else [])
result, _ = run_client(source, dest, flags=flags, port=server.port)
assert result.returncode == 0, \
f"--max-delete=3 with 3 extras failed: {(result.stderr or result.stdout)[:300]}"
for i in range(3):
assert not os.path.exists(os.path.join(received, f"e{i}.txt")), \
f"extra e{i}.txt not deleted under --max-delete=3"
@pytest.mark.parametrize("mt", [False, True])
def test_force_replaces_nonempty_dir_with_file(self, mt):
"""--force lets an incoming regular file replace a non-empty destination
directory; without it the write (and the run) fails."""
source = os.path.join(TEST_DATA_DIR, f"force_{mt}_src")
clean_dir(source)
self._write(os.path.join(source, "sub", "old.txt"), b"old\n")
self._write(os.path.join(source, "keep.txt"), b"kept\n")
dest = os.path.join(TEST_DATA_DIR, f"force_{mt}_dst")
clean_dir(dest)
with ServerManager() as server:
server.start(extra_args=["--allow-delete"])
result, _ = run_client(source, dest, port=server.port)
assert result.returncode == 0, f"seed sync failed: {result.stderr[:200]}"
received = get_dest_received_dir(dest, source)
# The source path `sub` becomes a regular file (the dir is gone).
os.unlink(os.path.join(source, "sub", "old.txt"))
os.rmdir(os.path.join(source, "sub"))
self._write(os.path.join(source, "sub"), b"now a file\n")
result, _ = run_client(source, dest, port=server.port)
assert result.returncode != 0, \
"a file over a non-empty directory must fail without --force"
assert os.path.isdir(os.path.join(received, "sub")), \
"directory was destroyed although the run failed without --force"
assert os.path.exists(os.path.join(received, "sub", "old.txt")), \
"non-empty dir content was lost although the run failed without --force"
flags = ["--force"] + (["-m"] if mt else [])
result, _ = run_client(source, dest, flags=flags, port=server.port)
assert result.returncode == 0, \
f"--force run failed: {(result.stderr or result.stdout)[:300]}"
assert os.path.isfile(os.path.join(received, "sub")), \
"--force did not replace the directory with the file"
assert _read_file(os.path.join(received, "sub")) == b"now a file\n"
assert not os.path.exists(os.path.join(received, "sub", "old.txt")), \
"--force left the old directory content behind"
@pytest.mark.parametrize("mt", [False, True])
def test_prune_empty_dirs_dirs_mode(self, mt):
"""--prune-empty-dirs omits an empty source directory's explicit entry in
--dirs mode (nothing is created, and an existing empty mirror is removed
by --delete). Recursive transfers never emit empty dirs, so the flag is
a no-op there (documented rsync -m parity)."""
source = os.path.join(TEST_DATA_DIR, f"prune_{mt}_src")
clean_dir(source)
os.makedirs(source, exist_ok=True) # physically empty source dir
dest = os.path.join(TEST_DATA_DIR, f"prune_{mt}_dst")
clean_dir(dest)
with ServerManager() as server:
server.start(extra_args=["--allow-delete"])
result, _ = run_client(source, dest, flags=["--dirs"], port=server.port)
assert result.returncode == 0, f"-d seed failed: {result.stderr[:200]}"
received = get_dest_received_dir(dest, source)
assert os.path.isdir(received), "-d should create the empty mirror dir"
assert os.listdir(received) == []
# prune-empty-dirs: the empty mirror is pruned by --delete.
flags = ["--dirs", "--prune-empty-dirs", "--delete"] + (["-m"] if mt else [])
result, _ = run_client(source, dest, flags=flags, port=server.port)
assert result.returncode == 0, \
f"--dirs --prune-empty-dirs --delete failed: {(result.stderr or result.stdout)[:300]}"
assert not os.path.exists(received), \
"--prune-empty-dirs did not prune the empty dir (--delete left it)"
# A fresh destination: prune-empty-dirs means the empty dir is never sent.
dest2 = os.path.join(TEST_DATA_DIR, f"prune2_{mt}_dst")
clean_dir(dest2)
with ServerManager() as server:
server.start(extra_args=["--allow-delete"])
flags = ["--dirs", "--prune-empty-dirs", "-i"] + (["-m"] if mt else [])
result, _ = run_client(source, dest2, flags=flags, port=server.port)
assert result.returncode == 0, \
f"--dirs --prune-empty-dirs failed: {(result.stderr or result.stdout)[:300]}"
received2 = get_dest_received_dir(dest2, source)
assert not os.path.exists(received2), \
"--prune-empty-dirs transferred the empty directory"
assert result.stdout == "", \
f"--prune-empty-dirs leaked an itemize line: {result.stdout[:200]}"
@pytest.mark.parametrize("mt", [False, True])
def test_prune_empty_dirs_recursion_inherent(self, mt):
"""In recursive mode FastSync never transfers empty directories (rsync
-m parity): a truly-empty destination directory chain is removed by
--delete whether or not --prune-empty-dirs is given (the flag has no
additional effect there), while directories holding kept files survive.
A filter-excluded file's mirror is protected, so a directory that still
holds one is left intact (rsync default delete-excluded semantics)."""
source = os.path.join(TEST_DATA_DIR, f"prunerec_{mt}_src")
clean_dir(source)
self._write(os.path.join(source, "keep.txt"), b"kept\n")
self._write(os.path.join(source, "a", "keep.log"), b"a log\n")
self._write(os.path.join(source, "b", "deep", "kept.txt"), b"deep kept\n")
dest = os.path.join(TEST_DATA_DIR, f"prunerec_{mt}_dst")
clean_dir(dest)
with ServerManager() as server:
server.start(extra_args=["--allow-delete"])
result, _ = run_client(source, dest, port=server.port)
assert result.returncode == 0, f"seed sync failed: {result.stderr[:200]}"
received = get_dest_received_dir(dest, source)
# A stray empty chain (FastSync recursion never creates such dirs, so
# this models one left by an external tool / an earlier --dirs run).
os.makedirs(os.path.join(received, "empty", "chain"))
for prune in ([], ["--prune-empty-dirs"]):
flags = prune + ["--delete"] + (["-m"] if mt else [])
result, _ = run_client(source, dest, flags=flags, port=server.port)
assert result.returncode == 0, \
f"prune recursive sync failed: {(result.stderr or result.stdout)[:300]}"
assert not os.path.exists(os.path.join(received, "empty")), \
"truly-empty dir chain was not removed by --delete"
assert os.path.exists(os.path.join(received, "b", "deep", "kept.txt")), \
"non-empty dir subtree was wrongly removed"
assert _read_file(os.path.join(received, "keep.txt")) == b"kept\n"
# An excluded file's mirror is protected: the dir that holds it stays.
flags = ["--exclude", "*.log", "--delete", "--prune-empty-dirs"] + (["-m"] if mt else [])
result, _ = run_client(source, dest, flags=flags, port=server.port)
assert result.returncode == 0, \
f"prune recursive sync failed: {(result.stderr or result.stdout)[:300]}"
assert os.path.exists(os.path.join(received, "a", "keep.log")), \
"excluded file mirror was deleted under --delete (rsync protects it)"
def test_ignore_errors_keeps_deletion_active_on_scan_error(self):
"""A source I/O error (unreadable directory) aborts the run so no
deletion happens by default; --ignore-errors continues, still transfers
the readable tree and still deletes. Run as an unprivileged user so the
mode-000 directory is genuinely unreadable."""
if os.geteuid() != 0 or shutil.which("setpriv") is None:
pytest.skip("requires root + setpriv to drop privileges for the client")
tag = f"ioerr_{os.getpid()}"
source = os.path.join(TEST_DATA_DIR, f"{tag}_src")
clean_dir(source)
self._write(os.path.join(source, "top.txt"), b"top\n")
self._write(os.path.join(source, "ok", "inside.txt"), b"inside\n")
self._write(os.path.join(source, "locked", "blocked.txt"), b"blocked\n")
dest = os.path.join(TEST_DATA_DIR, f"{tag}_dst")
clean_dir(dest)
with ServerManager() as server:
server.start(extra_args=["--allow-delete"])
# Seed as root (server is root too).
result, _ = run_client(source, dest, port=server.port)
assert result.returncode == 0, f"seed sync failed: {result.stderr[:200]}"
received = get_dest_received_dir(dest, source)
try:
os.chmod(os.path.join(source, "locked"), 0)
# Default: scan error aborts the run; nothing is deleted.
self._write(os.path.join(received, "extra.txt"), b"extra\n")
cmd = CLIENT_CMD + ["--source-dir", source, "--dest-dir", dest,
"--save-to-disk", "--server-port", str(server.port),
"--delete"]
result = subprocess.run(["setpriv", "--reuid=65534", "--regid=65534",
"--clear-groups"] + cmd, text=True, capture_output=True)
assert result.returncode != 0, "unreadable source dir did not fail the run"
assert os.path.exists(os.path.join(received, "extra.txt")), \
"default run deleted although the scan hit an I/O error"
# --ignore-errors: the readable tree transfers, deletion still runs.
self._write(os.path.join(received, "extra.txt"), b"extra\n")
cmd = CLIENT_CMD + ["--source-dir", source, "--dest-dir", dest,
"--save-to-disk", "--server-port", str(server.port),
"--delete", "--ignore-errors"]
result = subprocess.run(["setpriv", "--reuid=65534", "--regid=65534",
"--clear-groups"] + cmd, text=True, capture_output=True)
assert not os.path.exists(os.path.join(received, "extra.txt")), \
f"--ignore-errors did not keep deletion active: {result.stderr[:300]}"
assert not os.path.exists(os.path.join(received, "locked")), \
"mirror of the unreadable dir was not treated as an extra"
finally:
os.chmod(os.path.join(source, "locked"), 0o755)
def _pin_mtime(path, ts):
os.utime(path, (ts, ts))
+70
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@@ -1648,6 +1648,73 @@ static void test_parse_args_files_from() {
remove(list_path);
}
/* The deletion-policy family parses onto the config fields: --delete-excluded,
* --ignore-errors and --force are flags, --max-delete takes a non-negative
* number, and --prune-empty-dirs is the long-only spelling (FastSync's -m stays
* multithreading). None of them implies --delete by itself. */
static void test_parse_args_delete_policy_flags() {
Config* cfg = config_create();
char* argv[] = {"fastsync",
"--delete",
"--delete-excluded",
"--max-delete=5",
"--ignore-errors",
"--force",
"--prune-empty-dirs",
"/src",
"/dst"};
int positional_args[2];
int positional_count = 0;
EXPECT_EQ_INT(parse_args(cfg, 9, argv, positional_args, &positional_count), 0);
EXPECT_TRUE(cfg->use_delete);
EXPECT_TRUE(cfg->delete_excluded);
EXPECT_EQ_INT(cfg->max_delete, 5);
EXPECT_TRUE(cfg->ignore_errors);
EXPECT_TRUE(cfg->force_delete);
EXPECT_TRUE(cfg->prune_empty_dirs);
EXPECT_FALSE(cfg->delete_before);
config_delete(cfg);
/* --max-delete accepts the separated-argument and zero forms. */
cfg = config_create();
char* argv2[] = {"fastsync", "--max-delete", "0", "/src", "/dst"};
positional_count = 0;
EXPECT_EQ_INT(parse_args(cfg, 5, argv2, positional_args, &positional_count), 0);
EXPECT_EQ_INT(cfg->max_delete, 0);
config_delete(cfg);
}
static void test_parse_args_delete_policy_invalid_values() {
Config* cfg = config_create();
char* argv[] = {"fastsync", "--max-delete=abc", "/src", "/dst"};
int positional_args[2];
int positional_count = 0;
EXPECT_EQ_INT(parse_args(cfg, 4, argv, positional_args, &positional_count), -1);
config_delete(cfg);
cfg = config_create();
char* argv2[] = {"fastsync", "--max-delete=-3", "/src", "/dst"};
positional_count = 0;
EXPECT_EQ_INT(parse_args(cfg, 4, argv2, positional_args, &positional_count), -1);
config_delete(cfg);
}
/* --max-delete without --delete is inert (it only bounds a --delete run); the
* config stays valid. */
static void test_parse_args_max_delete_inert_without_delete() {
Config* cfg = config_create();
cfg->send_directory = str_dup("/src");
cfg->receive_root_directory = str_dup("/dst");
char* argv[] = {"fastsync", "--max-delete=5", "/src", "/dst"};
int positional_args[2];
int positional_count = 0;
EXPECT_EQ_INT(parse_args(cfg, 4, argv, positional_args, &positional_count), 0);
EXPECT_FALSE(cfg->use_delete);
EXPECT_EQ_INT(cfg->max_delete, 5);
EXPECT_TRUE(validate_config(cfg));
config_delete(cfg);
}
void test_client_cli() {
test_validate_config_required_paths();
test_validate_config_incompatible_options();
@@ -1740,4 +1807,7 @@ void test_client_cli() {
test_parse_args_basis_dirs();
test_parse_args_basis_invalid_paths();
test_validate_config_basis_rejects_chunk_serialization();
test_parse_args_delete_policy_flags();
test_parse_args_delete_policy_invalid_values();
test_parse_args_max_delete_inert_without_delete();
}
+56
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@@ -561,6 +561,61 @@ static void test_config_delete_timing_conflict_rejected() {
config_delete(c);
}
/* The deletion-policy fields that cross the wire survive a config round trip:
--force (force_delete), --delete-excluded, --prune-empty-dirs and the
--max-delete number (default -1 == no client limit). */
static void test_config_delete_policy_wire_roundtrip() {
if (is_running_under_valgrind())
return;
struct {
bool force_delete, delete_excluded, prune_empty_dirs;
int max_delete;
} cases[] = {
{false, false, false, -1},
{true, false, false, 0},
{false, true, true, 7},
};
for (size_t i = 0; i < sizeof(cases) / sizeof(cases[0]); i++) {
int p[2];
EXPECT_EQ_INT(socketpair(AF_UNIX, SOCK_STREAM, 0, p), 0);
pid_t pid = fork();
if (pid == 0) {
close(p[1]);
io_set_fds(p[0], p[0]);
Config* recv = config_receive(p[0]);
bool ok = recv != NULL;
if (ok) {
ok = recv->force_delete == cases[i].force_delete &&
recv->delete_excluded == cases[i].delete_excluded &&
recv->prune_empty_dirs == cases[i].prune_empty_dirs &&
recv->max_delete == cases[i].max_delete;
}
config_delete(recv);
close(p[0]);
_exit(ok ? 0 : 1);
} else {
close(p[0]);
io_set_fds(p[1], p[1]);
Config* send_cfg = config_create();
EXPECT_NOT_NULL(send_cfg);
send_cfg->send_directory = str_dup("/src");
send_cfg->receive_root_directory = str_dup("/dst");
send_cfg->force_delete = cases[i].force_delete;
send_cfg->delete_excluded = cases[i].delete_excluded;
send_cfg->prune_empty_dirs = cases[i].prune_empty_dirs;
send_cfg->max_delete = cases[i].max_delete;
bool sent = config_send(p[1], send_cfg);
int status;
waitpid(pid, &status, 0);
close(p[1]);
config_delete(send_cfg);
EXPECT_TRUE(sent);
EXPECT_TRUE(WIFEXITED(status) && WEXITSTATUS(status) == 0);
}
}
}
/* Basis-dir lists survive the config wire: each entry's type and path must
round-trip unchanged. */
static void test_config_basis_roundtrip() {
@@ -712,6 +767,7 @@ void test_config() {
test_config_delay_updates_reserved_backup_rejected();
test_config_delete_timing_wire_roundtrip();
test_config_delete_timing_conflict_rejected();
test_config_delete_policy_wire_roundtrip();
test_config_basis_roundtrip();
test_config_basis_wire_rejects_escaping();
test_config_basis_normalization();
+2 -3
View File
@@ -397,9 +397,8 @@ static void test_parallel_scanner_root_chunks_without_workers() {
create_test_file(file1, "a");
create_test_file(file2, "b");
ScannerOptions options = {false, 1, NULL, 0, NULL, 0, 0,
0, 0, 0, false, false, false, false,
false, false, NULL, NULL, false, false, false};
ScannerOptions options = {0};
options.chunk_size = 1;
ParallelScanner* scanner = parallel_scanner_create_with_options(dir, &options, NULL);
EXPECT_NOT_NULL(scanner);
+8 -4
View File
@@ -476,7 +476,7 @@ static Config* make_late_delete_config(const char* root) {
return cfg;
}
static int run_pending_receiver(Config* cfg, int fd, ArrayList** pending) {
static int run_pending_receiver(Config* cfg, int fd, DeleteManifest** pending) {
ReceiverSink sink = {0};
return receiver_process_pending(cfg, fd, &sink, pending);
}
@@ -492,9 +492,10 @@ static void test_late_manifest_abort_frees_keepset() {
EXPECT_TRUE(send_status(p[1], STATUS_MANIFEST));
EXPECT_TRUE(send_int(p[1], 1));
EXPECT_TRUE(send_str(p[1], "keep.txt"));
EXPECT_TRUE(send_int(p[1], 0)); /* protected-prefix section is empty */
EXPECT_TRUE(send_status(p[1], STATUS_ABORT));
ArrayList* pending = NULL;
DeleteManifest* pending = NULL;
EXPECT_EQ_INT(run_pending_receiver(cfg, p[0], &pending), -1);
EXPECT_NULL(pending);
@@ -514,9 +515,10 @@ static void test_late_manifest_eof_frees_keepset() {
EXPECT_TRUE(send_status(p[1], STATUS_MANIFEST));
EXPECT_TRUE(send_int(p[1], 1));
EXPECT_TRUE(send_str(p[1], "keep.txt"));
EXPECT_TRUE(send_int(p[1], 0)); /* protected-prefix section is empty */
shutdown(p[1], SHUT_WR);
ArrayList* pending = NULL;
DeleteManifest* pending = NULL;
EXPECT_EQ_INT(run_pending_receiver(cfg, p[0], &pending), -1);
EXPECT_NULL(pending);
@@ -536,11 +538,13 @@ static void test_late_second_manifest_frees_both() {
EXPECT_TRUE(send_status(p[1], STATUS_MANIFEST));
EXPECT_TRUE(send_int(p[1], 1));
EXPECT_TRUE(send_str(p[1], "first.txt"));
EXPECT_TRUE(send_int(p[1], 0)); /* protected-prefix section is empty */
EXPECT_TRUE(send_status(p[1], STATUS_MANIFEST));
EXPECT_TRUE(send_int(p[1], 1));
EXPECT_TRUE(send_str(p[1], "second.txt"));
EXPECT_TRUE(send_int(p[1], 0)); /* protected-prefix section is empty */
ArrayList* pending = NULL;
DeleteManifest* pending = NULL;
EXPECT_EQ_INT(run_pending_receiver(cfg, p[0], &pending), -1);
EXPECT_NULL(pending);
+200
View File
@@ -2,9 +2,204 @@
#include "utils.h"
#include "protocol.h"
#include "test_utils.h"
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <threads.h>
#include <unistd.h>
/* ---- delete-walker tests ---- */
static char* make_walk_root(const char* tag) {
char* path = malloc(256);
if (!path)
return NULL;
snprintf(path, 256, "/tmp/fastsync_walk_%s_%d", tag, (int)getpid());
rmdir(path);
if (mkdir(path, 0755) != 0) {
free(path);
return NULL;
}
return path;
}
static bool write_file_at(const char* dir, const char* name, const char* content) {
char* path = path_cat(dir, name);
if (!path)
return false;
int fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0644);
bool ok = fd >= 0;
if (fd >= 0) {
if (content) {
const char* p = content;
size_t remaining = strlen(content);
while (remaining > 0) {
ssize_t n = write(fd, p, remaining);
if (n <= 0) {
ok = false;
break;
}
p += n;
remaining -= (size_t)n;
}
}
close(fd);
}
free(path);
return ok;
}
static bool file_exists(const char* dir, const char* name) {
char* path = path_cat(dir, name);
bool exists = path && access(path, F_OK) == 0;
free(path);
return exists;
}
static bool dir_exists(const char* dir, const char* name) {
char* path = path_cat(dir, name);
struct stat st;
bool exists = path && stat(path, &st) == 0 && S_ISDIR(st.st_mode);
free(path);
return exists;
}
static int make_subdir(const char* root, const char* name) {
char* path = path_cat(root, name);
int rc = -1;
if (path) {
rc = mkdir(path, 0755);
free(path);
}
return rc;
}
static void remove_walk_tree(const char* path) {
DIR* dir = opendir(path);
if (!dir) {
rmdir(path);
return;
}
const struct dirent* entry;
while ((entry = readdir(dir)) != NULL) {
if (strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..") == 0)
continue;
char* child = path_cat(path, entry->d_name);
if (child) {
struct stat st;
if (lstat(child, &st) == 0 && S_ISDIR(st.st_mode))
remove_walk_tree(child);
else
unlink(child);
free(child);
}
}
closedir(dir);
rmdir(path);
}
static ArrayList* make_manifest_strings(const char* const* entries, int count) {
ArrayList* manifest = array_list_create(free);
if (!manifest)
return NULL;
for (int i = 0; i < count; i++) {
char* dup = str_dup(entries[i]);
if (!dup || !array_list_add(manifest, dup)) {
free(dup);
array_list_delete(manifest);
return NULL;
}
}
return manifest;
}
static void test_walker_removes_extras_keeps_manifest_and_protected() {
char* root = make_walk_root("basic");
EXPECT_NOT_NULL(root);
EXPECT_TRUE(write_file_at(root, "a.txt", "extra"));
EXPECT_TRUE(write_file_at(root, "keep.txt", "kept"));
EXPECT_EQ_INT(make_subdir(root, "d"), 0);
EXPECT_TRUE(write_file_at(root, "d/e.txt", "extra"));
EXPECT_TRUE(write_file_at(root, "d/k.txt", "kept"));
EXPECT_EQ_INT(make_subdir(root, "prot"), 0);
EXPECT_TRUE(write_file_at(root, "prot/f.txt", "untouched"));
const char* keeps[] = {"keep.txt", "d/k.txt"};
ArrayList* manifest = make_manifest_strings(keeps, 2);
EXPECT_NOT_NULL(manifest);
DeleteSkipEntry skip = {"prot", false};
size_t deleted = 0;
DeleteWalkResult result = delete_extras_limited(root, manifest, 100000, &skip, 1, &deleted);
EXPECT_EQ_INT((int)result, (int)DELETE_WALK_OK);
EXPECT_FALSE(file_exists(root, "a.txt"));
EXPECT_TRUE(file_exists(root, "keep.txt"));
EXPECT_FALSE(file_exists(root, "d/e.txt"));
EXPECT_TRUE(file_exists(root, "d/k.txt"));
EXPECT_TRUE(dir_exists(root, "d"));
EXPECT_TRUE(file_exists(root, "prot/f.txt"));
EXPECT_TRUE(deleted >= 2);
array_list_delete(manifest);
remove_walk_tree(root);
}
static void test_walker_max_delete_exceeded_deletes_nothing() {
char* root = make_walk_root("maxdel");
EXPECT_NOT_NULL(root);
EXPECT_TRUE(write_file_at(root, "a.txt", "extra"));
EXPECT_TRUE(write_file_at(root, "b.txt", "extra"));
EXPECT_TRUE(write_file_at(root, "c.txt", "extra"));
const char* keeps[1] = {NULL};
ArrayList* manifest = make_manifest_strings(keeps, 0);
EXPECT_NOT_NULL(manifest);
size_t deleted = 999;
DeleteWalkResult result = delete_extras_limited(root, manifest, 2, NULL, 0, &deleted);
EXPECT_EQ_INT((int)result, (int)DELETE_WALK_LIMIT_EXCEEDED);
EXPECT_EQ_INT((int)deleted, 0);
EXPECT_TRUE(file_exists(root, "a.txt"));
EXPECT_TRUE(file_exists(root, "b.txt"));
EXPECT_TRUE(file_exists(root, "c.txt"));
array_list_delete(manifest);
remove_walk_tree(root);
}
static void test_walker_max_delete_exact_bound_deletes() {
char* root = make_walk_root("maxdel2");
EXPECT_NOT_NULL(root);
EXPECT_TRUE(write_file_at(root, "a.txt", "extra"));
EXPECT_TRUE(write_file_at(root, "b.txt", "extra"));
const char* keeps[1] = {NULL};
ArrayList* manifest = make_manifest_strings(keeps, 0);
EXPECT_NOT_NULL(manifest);
size_t deleted = 0;
DeleteWalkResult result = delete_extras_limited(root, manifest, 2, NULL, 0, &deleted);
EXPECT_EQ_INT((int)result, (int)DELETE_WALK_OK);
EXPECT_EQ_INT((int)deleted, 2);
EXPECT_FALSE(file_exists(root, "a.txt"));
EXPECT_FALSE(file_exists(root, "b.txt"));
array_list_delete(manifest);
remove_walk_tree(root);
}
static void test_walker_unlimited_deletes_all() {
char* root = make_walk_root("unlim");
EXPECT_NOT_NULL(root);
EXPECT_TRUE(write_file_at(root, "a.txt", "extra"));
EXPECT_TRUE(write_file_at(root, "b.txt", "extra"));
EXPECT_EQ_INT(make_subdir(root, "emptydir"), 0);
const char* keeps[1] = {NULL};
ArrayList* manifest = make_manifest_strings(keeps, 0);
EXPECT_NOT_NULL(manifest);
EXPECT_TRUE(delete_extras(root, manifest));
EXPECT_FALSE(file_exists(root, "a.txt"));
EXPECT_FALSE(file_exists(root, "b.txt"));
EXPECT_FALSE(dir_exists(root, "emptydir"));
array_list_delete(manifest);
remove_walk_tree(root);
}
typedef struct {
bool eight_bit_output;
@@ -24,6 +219,11 @@ static int escape_thread(void* arg) {
}
void test_shared_utils() {
test_walker_removes_extras_keeps_manifest_and_protected();
test_walker_max_delete_exceeded_deletes_nothing();
test_walker_max_delete_exact_bound_deletes();
test_walker_unlimited_deletes_all();
char formatted[32];
EXPECT_TRUE(format_human_bytes(0, formatted, sizeof(formatted)));
EXPECT_EQ_STR(formatted, "0 B");