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88ab4f65cb6ca80fa3696f7a84bd9bbb05d3fc0a
FastSync/tests/integration/test_features.py
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TapTap 88ab4f65cb Merge feat/p2-itemize-output: structured change output (-i, --list-only, --out-format, --log-file-format) 
Client-only per-file event/format model (change_list.c). Reviewed
(c-review APPROVE WITH NITS, all fixed); PR #263.
2026-09-06 12:52:46 +02:00

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"""Feature tests: incremental sync, bandwidth limiting, dry run, metadata, filters."""
import filecmp
import os
import shutil
import subprocess
import sys
import time
import pytest
sys.path.insert(0, os.path.dirname(__file__))
from common import (
PROJECT_ROOT, BUILD_DIR, TEST_DATA_DIR,
run_client,
generate_test_files, verify_transfer, clean_dir, make_result,
get_dest_received_dir, CLIENT_CMD,
)
SOURCE_DIR = os.path.join(TEST_DATA_DIR, "feature_source")
DEST_DIR = os.path.join(TEST_DATA_DIR, "feature_dest")
@pytest.fixture(scope="module", autouse=True)
def setup_test_data():
generate_test_files(SOURCE_DIR, full=False)
clean_dir(DEST_DIR)
yield
shutil.rmtree(TEST_DATA_DIR, ignore_errors=True)
class TestDryRun:
def test_human_readable_dry_run(self):
result, dur = run_client(SOURCE_DIR, DEST_DIR, flags=["-h", "--dry-run"])
assert result.returncode == 0, f"Exit {result.returncode}: {result.stderr[:100]}"
assert "Total:" in result.stdout
assert "KB" in result.stdout
def test_dry_run(self):
clean_dir(DEST_DIR)
result, dur = run_client(
SOURCE_DIR, DEST_DIR,
flags=["-n"],
)
assert result.returncode == 0, f"Exit {result.returncode}: {result.stderr[:100]}"
assert "Dry run:" in result.stdout, f"No dry run output: {result.stdout[:200]}"
def test_quiet_suppresses_dry_run_output(self):
result, dur = run_client(
SOURCE_DIR, DEST_DIR,
flags=["-q", "-n", "--progress", "--stats"],
)
assert result.returncode == 0, f"Exit {result.returncode}: {result.stderr[:100]}"
assert result.stdout == ""
assert result.stderr == ""
def test_quiet_preserves_errors(self):
result, dur = run_client(
SOURCE_DIR, DEST_DIR,
flags=["--quiet", "--server-port", "1"],
)
assert result.returncode != 0
assert result.stderr != ""
@pytest.mark.parametrize("flags", [["-q", "-v"], ["-v", "-q"]])
def test_quiet_successful_transfer_and_verbose_order(self, shared_server, flags):
clean_dir(DEST_DIR)
result, dur = run_client(
SOURCE_DIR, DEST_DIR,
flags=flags,
port=shared_server.port,
)
assert result.returncode == 0, f"Exit {result.returncode}: {result.stderr[:100]}"
assert result.stdout == ""
assert result.stderr == ""
received = get_dest_received_dir(DEST_DIR, SOURCE_DIR)
mismatches, missing = verify_transfer(SOURCE_DIR, received)
assert not missing, f"Missing: {missing}"
assert not mismatches, f"Mismatch: {mismatches}"
class TestRemoveSourceFiles:
def test_removes_only_transferred_regular_files(self, shared_server):
source = os.path.join(TEST_DATA_DIR, "remove_source")
dest = os.path.join(TEST_DATA_DIR, "remove_dest")
clean_dir(source)
clean_dir(dest)
with open(os.path.join(source, "one.txt"), "wb") as f:
f.write(b"one")
with open(os.path.join(source, "two.txt"), "wb") as f:
f.write(b"two")
os.makedirs(os.path.join(source, "directory"))
os.symlink("one.txt", os.path.join(source, "link.txt"))
result, _ = run_client(source, dest, flags=["--remove-source-files", "-m"],
port=shared_server.port)
assert result.returncode == 0, f"Remove-source sync failed: {result.stderr[:200]}"
assert not os.path.exists(os.path.join(source, "one.txt"))
assert not os.path.exists(os.path.join(source, "two.txt"))
assert os.path.isdir(os.path.join(source, "directory"))
assert os.path.islink(os.path.join(source, "link.txt"))
def test_single_threaded_removes_transferred_file(self, shared_server):
source = os.path.join(TEST_DATA_DIR, "remove_single_source")
dest = os.path.join(TEST_DATA_DIR, "remove_single_dest")
clean_dir(source)
clean_dir(dest)
source_file = os.path.join(source, "file.txt")
with open(source_file, "wb") as f:
f.write(b"single threaded")
result, _ = run_client(source, dest, flags=["--remove-source-files"],
port=shared_server.port)
assert result.returncode == 0
assert not os.path.exists(source_file)
def test_dry_run_preserves_source_files(self):
source = os.path.join(TEST_DATA_DIR, "remove_dry_source")
dest = os.path.join(TEST_DATA_DIR, "remove_dry_dest")
clean_dir(source)
clean_dir(dest)
source_file = os.path.join(source, "file.txt")
with open(source_file, "wb") as f:
f.write(b"keep")
result, _ = run_client(source, dest, flags=["--remove-source-files", "--dry-run"])
assert result.returncode == 0
assert os.path.isfile(source_file)
def test_failed_connection_preserves_source_files(self):
source = os.path.join(TEST_DATA_DIR, "remove_failed_source")
dest = os.path.join(TEST_DATA_DIR, "remove_failed_dest")
clean_dir(source)
clean_dir(dest)
source_file = os.path.join(source, "file.txt")
with open(source_file, "wb") as f:
f.write(b"keep after failure")
result, _ = run_client(source, dest, flags=["--remove-source-files"], port=1)
assert result.returncode != 0
assert os.path.isfile(source_file)
def test_incremental_skip_preserves_source_file(self, shared_server):
source = os.path.join(TEST_DATA_DIR, "remove_skipped_source")
dest = os.path.join(TEST_DATA_DIR, "remove_skipped_dest")
clean_dir(source)
clean_dir(dest)
source_file = os.path.join(source, "file.txt")
with open(source_file, "wb") as f:
f.write(b"keep after skip")
result, _ = run_client(source, dest, port=shared_server.port)
assert result.returncode == 0
result, _ = run_client(source, dest,
flags=["--remove-source-files", "--incremental"],
port=shared_server.port)
assert result.returncode == 0
assert os.path.isfile(source_file)
class TestArchiveMode:
def test_archive_mode(self, shared_server):
clean_dir(DEST_DIR)
result, dur = run_client(
SOURCE_DIR, DEST_DIR,
flags=["-a"],
port=shared_server.port,
)
if result.returncode != 0:
pytest.fail(f"Exit {result.returncode}: {(result.stderr or result.stdout)[:200]}")
received = get_dest_received_dir(DEST_DIR, SOURCE_DIR)
mismatches, missing = verify_transfer(SOURCE_DIR, received)
assert not missing, f"Missing: {missing}"
assert not mismatches, f"Mismatch: {mismatches}"
def test_archive_implied_options_can_be_negated(self, shared_server):
clean_dir(DEST_DIR)
result, dur = run_client(
SOURCE_DIR, DEST_DIR,
flags=["--archive", "--no-compress", "--no-m", "--no-preserve"],
port=shared_server.port,
)
if result.returncode != 0:
pytest.fail(f"Exit {result.returncode}: {(result.stderr or result.stdout)[:200]}")
received = get_dest_received_dir(DEST_DIR, SOURCE_DIR)
mismatches, missing = verify_transfer(SOURCE_DIR, received)
assert not missing, f"Missing: {missing}"
assert not mismatches, f"Mismatch: {mismatches}"
class TestExecutability:
def test_preserves_only_executable_bits(self, shared_server):
source = os.path.join(TEST_DATA_DIR, "executability_source")
dest = os.path.join(TEST_DATA_DIR, "executability_dest")
clean_dir(source)
clean_dir(dest)
source_file = os.path.join(source, "tool.sh")
with open(source_file, "w") as f:
f.write("#!/bin/sh\necho test\n")
os.chmod(source_file, 0o751)
result, _ = run_client(source, dest, flags=["-E"], port=shared_server.port)
assert result.returncode == 0, f"Executability sync failed: {result.stderr[:200]}"
received_file = os.path.join(get_dest_received_dir(dest, source), "tool.sh")
received_mode = os.stat(received_file).st_mode
assert received_mode & 0o111 == 0o111
assert received_mode & 0o600 == 0o600
assert received_mode & 0o077 == 0o011
class TestChmod:
def test_chmod_applies_to_transferred_files(self, shared_server):
clean_dir(DEST_DIR)
source_file = os.path.join(SOURCE_DIR, "small.txt")
os.chmod(source_file, 0o777)
result, dur = run_client(
SOURCE_DIR, DEST_DIR,
flags=["--chmod=u=rw,go=r"],
port=shared_server.port,
)
if result.returncode != 0:
pytest.fail(f"Exit {result.returncode}: {(result.stderr or result.stdout)[:200]}")
received = get_dest_received_dir(DEST_DIR, SOURCE_DIR)
assert (os.stat(os.path.join(received, "small.txt")).st_mode & 0o777) == 0o644
class TestCompressionChoice:
def test_zstd_choice_compresses(self, shared_server):
clean_dir(DEST_DIR)
result, _ = run_client(SOURCE_DIR, DEST_DIR, flags=["--zc", "zstd"],
port=shared_server.port)
assert result.returncode == 0, f"zstd sync failed: {(result.stderr or result.stdout)[:200]}"
received = get_dest_received_dir(DEST_DIR, SOURCE_DIR)
mismatches, missing = verify_transfer(SOURCE_DIR, received)
assert not missing, f"Missing: {missing}"
assert not mismatches, f"Mismatch: {mismatches}"
def test_none_choice_disables_compression(self, shared_server):
clean_dir(DEST_DIR)
result, _ = run_client(SOURCE_DIR, DEST_DIR, flags=["-z", "--compress-choice", "none"],
port=shared_server.port)
assert result.returncode == 0, f"none sync failed: {(result.stderr or result.stdout)[:200]}"
received = get_dest_received_dir(DEST_DIR, SOURCE_DIR)
mismatches, missing = verify_transfer(SOURCE_DIR, received)
assert not missing, f"Missing: {missing}"
assert not mismatches, f"Mismatch: {mismatches}"
class TestSkipCompress:
def test_skip_compress_case_insensitive(self, shared_server):
clean_dir(DEST_DIR)
with open(os.path.join(SOURCE_DIR, "skip-case.TXT"), "wb") as f:
f.write((b"skip compression case test\n" * 100))
result, _ = run_client(
SOURCE_DIR, DEST_DIR,
flags=["-c", "--skip-compress=.txt"],
port=shared_server.port,
)
assert result.returncode == 0, f"Skip-compress sync failed: {(result.stderr or result.stdout)[:200]}"
received = get_dest_received_dir(DEST_DIR, SOURCE_DIR)
with open(os.path.join(received, "skip-case.TXT"), "rb") as f:
assert f.read() == b"skip compression case test\n" * 100
def test_skip_compress_empty_list(self, shared_server):
clean_dir(DEST_DIR)
result, _ = run_client(
SOURCE_DIR, DEST_DIR,
flags=["-c", "--skip-compress="],
port=shared_server.port,
)
assert result.returncode == 0, f"Empty skip-compress sync failed: {(result.stderr or result.stdout)[:200]}"
received = get_dest_received_dir(DEST_DIR, SOURCE_DIR)
mismatches, missing = verify_transfer(SOURCE_DIR, received)
assert not missing, f"Missing: {missing}"
assert not mismatches, f"Mismatch: {mismatches}"
def test_skip_compress_incremental_full_fallback(self, shared_server):
clean_dir(DEST_DIR)
path = os.path.join(SOURCE_DIR, "incremental-skip.TXT")
with open(path, "wb") as f:
f.write(b"original skipped content\n")
flags = ["-c", "-M", "--skip-compress=.txt"]
result, _ = run_client(SOURCE_DIR, DEST_DIR, flags=flags, port=shared_server.port)
assert result.returncode == 0, f"Initial sync failed: {(result.stderr or result.stdout)[:200]}"
with open(path, "wb") as f:
f.write(b"updated skipped content\n")
result, _ = run_client(
SOURCE_DIR, DEST_DIR,
flags=flags + ["--incremental"],
port=shared_server.port,
)
assert result.returncode == 0, f"Incremental sync failed: {(result.stderr or result.stdout)[:200]}"
received = get_dest_received_dir(DEST_DIR, SOURCE_DIR)
with open(os.path.join(received, "incremental-skip.TXT"), "rb") as f:
assert f.read() == b"updated skipped content\n"
def test_skip_compress_rejects_chunk_serialization(self, shared_server):
result, _ = run_client(
SOURCE_DIR, DEST_DIR,
flags=["-c", "-s", "--skip-compress=.txt"],
port=shared_server.port,
)
assert result.returncode != 0
assert "cannot be combined" in (result.stderr or result.stdout)
class TestExclude:
def test_exclude_single(self, shared_server):
clean_dir(DEST_DIR)
result, dur = run_client(
SOURCE_DIR, DEST_DIR,
flags=["--exclude", "small.txt"],
port=shared_server.port,
)
if result.returncode != 0:
pytest.fail(f"Exit {result.returncode}: {(result.stderr or result.stdout)[:200]}")
received = get_dest_received_dir(DEST_DIR, SOURCE_DIR)
mismatches, missing = verify_transfer(SOURCE_DIR, received)
assert "small.txt" in missing, "small.txt should be excluded but was transferred"
other_missing = [m for m in missing if m != "small.txt"]
assert not other_missing, f"Other files missing: {other_missing}"
assert not mismatches, f"Mismatch: {mismatches}"
def test_exclude_glob(self, shared_server):
clean_dir(DEST_DIR)
result, dur = run_client(
SOURCE_DIR, DEST_DIR,
flags=["--exclude", "*.txt"],
port=shared_server.port,
)
if result.returncode != 0:
pytest.fail(f"Exit {result.returncode}: {(result.stderr or result.stdout)[:200]}")
received = get_dest_received_dir(DEST_DIR, SOURCE_DIR)
assert not os.path.exists(os.path.join(received, "small.txt")), "small.txt should be excluded"
assert os.path.exists(os.path.join(received, "binary.bin")), "binary.bin should be present"
class TestInclude:
def test_include_single(self, shared_server):
clean_dir(DEST_DIR)
result, dur = run_client(
SOURCE_DIR, DEST_DIR,
flags=["--include", "binary.bin"],
port=shared_server.port,
)
if result.returncode != 0:
pytest.fail(f"Exit {result.returncode}: {(result.stderr or result.stdout)[:200]}")
received = get_dest_received_dir(DEST_DIR, SOURCE_DIR)
assert os.path.exists(os.path.join(received, "binary.bin")), "binary.bin should be included"
assert not os.path.exists(os.path.join(received, "small.txt")), "small.txt should not be included"
def test_include_glob(self, shared_server):
clean_dir(DEST_DIR)
result, dur = run_client(
SOURCE_DIR, DEST_DIR,
flags=["--include", "*.bin"],
port=shared_server.port,
)
if result.returncode != 0:
pytest.fail(f"Exit {result.returncode}: {(result.stderr or result.stdout)[:200]}")
received = get_dest_received_dir(DEST_DIR, SOURCE_DIR)
assert os.path.exists(os.path.join(received, "binary.bin")), "binary.bin should be included"
class TestSizeFilters:
def test_max_size(self, shared_server):
clean_dir(DEST_DIR)
result, dur = run_client(
SOURCE_DIR, DEST_DIR,
flags=["--max-size", "100"],
port=shared_server.port,
)
if result.returncode != 0:
pytest.fail(f"Exit {result.returncode}: {(result.stderr or result.stdout)[:200]}")
received = get_dest_received_dir(DEST_DIR, SOURCE_DIR)
assert os.path.exists(os.path.join(received, "small.txt")), "small.txt should be present"
assert not os.path.exists(os.path.join(received, "medium.txt")), "medium.txt should be skipped"
def test_min_size(self, shared_server):
clean_dir(DEST_DIR)
result, dur = run_client(
SOURCE_DIR, DEST_DIR,
flags=["--min-size", "1000"],
port=shared_server.port,
)
if result.returncode != 0:
pytest.fail(f"Exit {result.returncode}: {(result.stderr or result.stdout)[:200]}")
received = get_dest_received_dir(DEST_DIR, SOURCE_DIR)
assert not os.path.exists(os.path.join(received, "small.txt")), "small.txt should be skipped"
assert os.path.exists(os.path.join(received, "medium.txt")), "medium.txt should be present"
class TestIncremental:
def test_incremental_skips_unchanged(self, shared_server):
clean_dir(DEST_DIR)
result, dur = run_client(
SOURCE_DIR, DEST_DIR,
flags=["-M"],
port=shared_server.port,
)
assert result.returncode == 0, f"First sync failed: {result.stderr[:100]}"
start = time.monotonic()
result, dur = run_client(
SOURCE_DIR, DEST_DIR,
flags=["-M", "--incremental"],
port=shared_server.port,
)
incremental_time = time.monotonic() - start
assert result.returncode == 0, f"Incremental sync failed: {(result.stderr or result.stdout)[:200]}"
received = get_dest_received_dir(DEST_DIR, SOURCE_DIR)
mismatches, missing = verify_transfer(SOURCE_DIR, received)
assert not missing, f"Missing: {missing}"
assert not mismatches, f"Mismatch: {mismatches}"
def test_incremental_detects_changes(self, shared_server):
clean_dir(DEST_DIR)
result, _ = run_client(
SOURCE_DIR, DEST_DIR,
flags=["-M"],
port=shared_server.port,
)
assert result.returncode == 0
modified_file = os.path.join(SOURCE_DIR, "small.txt")
with open(modified_file, "wb") as f:
f.write(b"modified content for incremental test\n")
result, dur = run_client(
SOURCE_DIR, DEST_DIR,
flags=["-M", "--incremental"],
port=shared_server.port,
)
assert result.returncode == 0
with open(modified_file, "wb") as f:
f.write(b"hello world\n")
received = get_dest_received_dir(DEST_DIR, SOURCE_DIR)
received_file = os.path.join(received, "small.txt")
assert os.path.exists(received_file), "Modified file should be present"
with open(received_file, "rb") as f:
content = f.read()
assert b"modified content" in content, f"Modified content not transferred: {content[:50]}"
def test_checksum_detects_same_size_and_mtime_change(self, shared_server):
clean_dir(DEST_DIR)
result, _ = run_client(SOURCE_DIR, DEST_DIR, flags=["-M"], port=shared_server.port)
assert result.returncode == 0
received = get_dest_received_dir(DEST_DIR, SOURCE_DIR)
source_file = os.path.join(SOURCE_DIR, "small.txt")
received_file = os.path.join(received, "small.txt")
source_stat = os.stat(source_file)
with open(received_file, "wb") as f:
f.write(b"different!\n")
os.utime(received_file, (source_stat.st_atime, source_stat.st_mtime))
result, _ = run_client(SOURCE_DIR, DEST_DIR,
flags=["-M", "--incremental", "--checksum"],
port=shared_server.port)
assert result.returncode == 0, f"Checksum sync failed: {result.stderr[:200]}"
with open(received_file, "rb") as f:
assert f.read() == b"hello world\n"
def test_size_only_skips_same_size_with_different_mtime(self, shared_server):
clean_dir(DEST_DIR)
result, _ = run_client(SOURCE_DIR, DEST_DIR, flags=["-M"], port=shared_server.port)
assert result.returncode == 0
received = get_dest_received_dir(DEST_DIR, SOURCE_DIR)
received_file = os.path.join(received, "small.txt")
with open(received_file, "wb") as f:
f.write(b"different!!\n")
os.utime(received_file, (time.time() - 3600, time.time() - 3600))
result, _ = run_client(
SOURCE_DIR, DEST_DIR,
flags=["-M", "--incremental", "--size-only"],
port=shared_server.port,
)
assert result.returncode == 0, f"Size-only sync failed: {result.stderr[:200]}"
with open(received_file, "rb") as f:
assert f.read() == b"different!!\n"
def test_ignore_times_transfers_same_size_and_mtime(self, shared_server):
clean_dir(DEST_DIR)
result, _ = run_client(SOURCE_DIR, DEST_DIR, flags=["-M"], port=shared_server.port)
assert result.returncode == 0
received = get_dest_received_dir(DEST_DIR, SOURCE_DIR)
source_file = os.path.join(SOURCE_DIR, "small.txt")
received_file = os.path.join(received, "small.txt")
source_stat = os.stat(source_file)
with open(received_file, "wb") as f:
f.write(b"stale data!\n")
os.utime(received_file, (source_stat.st_atime, source_stat.st_mtime))
result, _ = run_client(SOURCE_DIR, DEST_DIR,
flags=["-M", "--incremental", "--ignore-times"],
port=shared_server.port)
assert result.returncode == 0, f"Ignore-times sync failed: {result.stderr[:200]}"
with open(received_file, "rb") as f:
assert f.read() == b"hello world\n"
def test_modify_window_allows_subsecond_mtime_difference(self, shared_server):
clean_dir(DEST_DIR)
result, _ = run_client(SOURCE_DIR, DEST_DIR, flags=["-M"], port=shared_server.port)
assert result.returncode == 0
received = get_dest_received_dir(DEST_DIR, SOURCE_DIR)
source_file = os.path.join(SOURCE_DIR, "small.txt")
received_file = os.path.join(received, "small.txt")
source_stat = os.stat(source_file)
with open(received_file, "wb") as f:
f.write(b"modified!!!\n")
os.utime(received_file, ns=(source_stat.st_atime_ns,
source_stat.st_mtime_ns - 1500000000))
result, _ = run_client(SOURCE_DIR, DEST_DIR,
flags=["-M", "--incremental", "--modify-window=2"],
port=shared_server.port)
assert result.returncode == 0, f"Modify-window sync failed: {result.stderr[:200]}"
with open(received_file, "rb") as f:
assert f.read() == b"modified!!!\n"
def test_whole_file_disables_delta_and_keeps_compression(self, shared_server):
clean_dir(DEST_DIR)
result, _ = run_client(SOURCE_DIR, DEST_DIR, flags=["-M"], port=shared_server.port)
assert result.returncode == 0
source_file = os.path.join(SOURCE_DIR, "medium.txt")
with open(source_file, "wb") as f:
f.write(b"whole-file replacement\n" * 5000)
result, _ = run_client(
SOURCE_DIR,
DEST_DIR,
flags=["-M", "--incremental", "--delta", "-W", "-c"],
port=shared_server.port,
)
assert result.returncode == 0, f"Whole-file sync failed: {(result.stderr or result.stdout)[:200]}"
received = get_dest_received_dir(DEST_DIR, SOURCE_DIR)
mismatches, missing = verify_transfer(SOURCE_DIR, received)
assert not missing, f"Missing: {missing}"
assert not mismatches, f"Mismatch: {mismatches}"
class TestUpdate:
def test_update_skips_older_destination_and_allows_equal_or_newer_source(self, shared_server):
clean_dir(DEST_DIR)
result, _ = run_client(SOURCE_DIR, DEST_DIR, flags=["-u"], port=shared_server.port)
assert result.returncode == 0
received = get_dest_received_dir(DEST_DIR, SOURCE_DIR)
source_file = os.path.join(SOURCE_DIR, "small.txt")
received_file = os.path.join(received, "small.txt")
source_stat = os.stat(source_file)
with open(received_file, "wb") as f:
f.write(b"newer destination\n")
os.utime(received_file, ns=(source_stat.st_atime_ns, source_stat.st_mtime_ns + 10_000_000_000))
result, _ = run_client(SOURCE_DIR, DEST_DIR, flags=["-u"], port=shared_server.port)
assert result.returncode == 0
with open(received_file, "rb") as f:
assert f.read() == b"newer destination\n"
os.utime(received_file, ns=(source_stat.st_atime_ns, source_stat.st_mtime_ns))
result, _ = run_client(SOURCE_DIR, DEST_DIR, flags=["-u"], port=shared_server.port)
assert result.returncode == 0
with open(received_file, "rb") as f:
assert f.read() == b"hello world\n"
def test_update_skips_unreadable_newer_destination(self, shared_server):
clean_dir(DEST_DIR)
result, _ = run_client(SOURCE_DIR, DEST_DIR, flags=["-u"], port=shared_server.port)
assert result.returncode == 0
received_file = os.path.join(get_dest_received_dir(DEST_DIR, SOURCE_DIR), "small.txt")
source_stat = os.stat(os.path.join(SOURCE_DIR, "small.txt"))
with open(received_file, "wb") as f:
f.write(b"protected destination\n")
os.utime(received_file, ns=(source_stat.st_atime_ns, source_stat.st_mtime_ns + 10_000_000_000))
original_mode = os.stat(received_file).st_mode
try:
os.chmod(received_file, 0)
result, _ = run_client(SOURCE_DIR, DEST_DIR, flags=["-u"], port=shared_server.port)
assert result.returncode == 0
os.chmod(received_file, original_mode)
with open(received_file, "rb") as f:
assert f.read() == b"protected destination\n"
finally:
os.chmod(received_file, original_mode)
with open(received_file, "wb") as f:
f.write(b"older destination\n")
os.utime(received_file, ns=(source_stat.st_atime_ns, source_stat.st_mtime_ns - 10_000_000_000))
result, _ = run_client(SOURCE_DIR, DEST_DIR, flags=["-u"], port=shared_server.port)
assert result.returncode == 0
with open(received_file, "rb") as f:
assert f.read() == b"hello world\n"
class TestExisting:
def test_existing_updates_existing_and_skips_new(self, shared_server):
clean_dir(DEST_DIR)
result, _ = run_client(SOURCE_DIR, DEST_DIR, flags=["-M"], port=shared_server.port)
assert result.returncode == 0, f"Initial sync failed: {(result.stderr or result.stdout)[:200]}"
received = get_dest_received_dir(DEST_DIR, SOURCE_DIR)
source_file = os.path.join(SOURCE_DIR, "small.txt")
new_source_file = os.path.join(SOURCE_DIR, "new-existing-test.txt")
with open(source_file, "wb") as f:
f.write(b"updated existing content\n")
with open(new_source_file, "wb") as f:
f.write(b"this file must not be created\n")
try:
result, _ = run_client(SOURCE_DIR, DEST_DIR,
flags=["-M", "--existing"], port=shared_server.port)
assert result.returncode == 0, f"--existing sync failed: {(result.stderr or result.stdout)[:200]}"
with open(os.path.join(received, "small.txt"), "rb") as f:
assert f.read() == b"updated existing content\n"
assert not os.path.exists(os.path.join(received, "new-existing-test.txt"))
finally:
os.unlink(new_source_file)
with open(source_file, "wb") as f:
f.write(b"hello world\n")
class TestIgnoreExisting:
def test_ignore_existing_preserves_existing_and_transfers_new(self, shared_server):
clean_dir(DEST_DIR)
result, _ = run_client(SOURCE_DIR, DEST_DIR, port=shared_server.port)
assert result.returncode == 0
received = get_dest_received_dir(DEST_DIR, SOURCE_DIR)
existing_file = os.path.join(received, "small.txt")
with open(existing_file, "wb") as f:
f.write(b"destination content\n")
new_source = os.path.join(SOURCE_DIR, "new.txt")
try:
with open(new_source, "wb") as f:
f.write(b"new file\n")
result, _ = run_client(SOURCE_DIR, DEST_DIR,
flags=["--ignore-existing"], port=shared_server.port)
assert result.returncode == 0, f"Sync failed: {(result.stderr or result.stdout)[:200]}"
with open(existing_file, "rb") as f:
assert f.read() == b"destination content\n"
with open(os.path.join(received, "new.txt"), "rb") as f:
assert f.read() == b"new file\n"
finally:
if os.path.lexists(new_source):
os.unlink(new_source)
class TestIgnoreExisting:
def test_ignore_existing_preserves_existing_and_transfers_new(self, shared_server):
clean_dir(DEST_DIR)
result, _ = run_client(SOURCE_DIR, DEST_DIR, port=shared_server.port)
assert result.returncode == 0
received = get_dest_received_dir(DEST_DIR, SOURCE_DIR)
existing_file = os.path.join(received, "small.txt")
with open(existing_file, "wb") as f:
f.write(b"destination content\n")
new_source = os.path.join(SOURCE_DIR, "new.txt")
try:
with open(new_source, "wb") as f:
f.write(b"new file\n")
result, _ = run_client(SOURCE_DIR, DEST_DIR,
flags=["--ignore-existing"], port=shared_server.port)
assert result.returncode == 0, f"Sync failed: {(result.stderr or result.stdout)[:200]}"
with open(existing_file, "rb") as f:
assert f.read() == b"destination content\n"
with open(os.path.join(received, "new.txt"), "rb") as f:
assert f.read() == b"new file\n"
finally:
if os.path.lexists(new_source):
os.unlink(new_source)
class TestDelete:
def test_delete_removes_extra_files(self, shared_server):
clean_dir(DEST_DIR)
result, _ = run_client(
SOURCE_DIR, DEST_DIR,
flags=["-M"],
port=shared_server.port,
)
assert result.returncode == 0
received = get_dest_received_dir(DEST_DIR, SOURCE_DIR)
extra_file = os.path.join(received, "extra_file.txt")
extra_dir = os.path.join(received, "extra_dir")
with open(extra_file, "w") as f:
f.write("should be deleted")
os.makedirs(extra_dir, exist_ok=True)
with open(os.path.join(extra_dir, "nested.txt"), "w") as f:
f.write("nested extra")
result, dur = run_client(
SOURCE_DIR, DEST_DIR,
flags=["-M", "--delete"],
port=shared_server.port,
)
assert result.returncode == 0, f"Delete sync failed: {(result.stderr or result.stdout)[:200]}"
# The default server policy intentionally refuses client-requested
# deletion unless it is started with --allow-delete.
assert os.path.exists(extra_file), "unauthorized delete removed an extra file"
assert os.path.exists(extra_dir), "unauthorized delete removed an extra directory"
mismatches, missing = verify_transfer(SOURCE_DIR, received)
assert not missing, f"Missing: {missing}"
assert not mismatches, f"Mismatch: {mismatches}"
class TestProgress:
def test_progress_output(self, shared_server):
clean_dir(DEST_DIR)
result, dur = run_client(
SOURCE_DIR, DEST_DIR,
flags=["--progress"],
port=shared_server.port,
)
assert result.returncode == 0, f"Exit {result.returncode}: {result.stderr[:100]}"
output = result.stdout + result.stderr
assert "Sent " in output and "MB" in output, "--progress produced no stable byte marker"
assert "Done." in output, "--progress did not report completion"
def test_human_readable_stats(self, shared_server):
clean_dir(DEST_DIR)
result, dur = run_client(
SOURCE_DIR, DEST_DIR,
flags=["-h", "--stats"],
port=shared_server.port,
)
assert result.returncode == 0, f"Exit {result.returncode}: {result.stderr[:100]}"
assert "Stats:" in result.stderr
assert "KB" in result.stderr
def test_human_readable_progress_multithreaded(self, shared_server):
clean_dir(DEST_DIR)
result, dur = run_client(
SOURCE_DIR, DEST_DIR,
flags=["-m", "-h", "--progress"],
port=shared_server.port,
)
assert result.returncode == 0, f"Exit {result.returncode}: {result.stderr[:100]}"
output = result.stdout + result.stderr
assert "Sent " in output
assert "KB" in output
assert "Done." in output
class TestInfo:
def test_info_copy_reports_transfers(self, shared_server):
clean_dir(DEST_DIR)
result, _ = run_client(
SOURCE_DIR, DEST_DIR,
flags=["--info=copy"],
port=shared_server.port,
)
assert result.returncode == 0, f"Info sync failed: {(result.stderr or result.stdout)[:200]}"
output = result.stdout + result.stderr
assert "[INFO]" in output and "Transferring" in output
def test_info_stats_reports_multithreaded_transfer(self, shared_server):
clean_dir(DEST_DIR)
result, _ = run_client(
SOURCE_DIR, DEST_DIR,
flags=["-m", "--info=stats"],
port=shared_server.port,
)
assert result.returncode == 0, f"Info stats sync failed: {(result.stderr or result.stdout)[:200]}"
output = result.stdout + result.stderr
assert "[INFO]" in output and "Transfer summary:" in output
def test_info_rejects_unknown_flag(self):
result, _ = run_client(
SOURCE_DIR, DEST_DIR,
flags=["--info=unknown"],
)
assert result.returncode != 0
assert "unsupported --info flag" in result.stderr
@pytest.mark.parametrize("flags", [
["--info=none", "--verbose"],
["--verbose", "--info=none"],
])
def test_info_none_suppresses_verbose_info(self, shared_server, flags):
clean_dir(DEST_DIR)
result, _ = run_client(SOURCE_DIR, DEST_DIR, flags=flags, port=shared_server.port)
assert result.returncode == 0, f"Info sync failed: {(result.stderr or result.stdout)[:200]}"
output = result.stdout + result.stderr
assert "[INFO]" not in output
assert "Transferring" not in output
assert "Transfer summary:" not in output
class TestBandwidthLimit:
def test_bwlimit_runs(self, shared_server):
clean_dir(DEST_DIR)
result, dur = run_client(
SOURCE_DIR, DEST_DIR,
flags=["--bwlimit", "10240"],
port=shared_server.port,
)
assert result.returncode == 0, f"Exit {result.returncode}: {(result.stderr or result.stdout)[:200]}"
received = get_dest_received_dir(DEST_DIR, SOURCE_DIR)
mismatches, missing = verify_transfer(SOURCE_DIR, received)
assert not missing, f"Missing: {missing}"
assert not mismatches, f"Mismatch: {mismatches}"
def _read_file(path):
with open(path, "rb") as fh:
return fh.read()
class TestRemoveSourceFilesSkips:
"""--remove-source-files must not delete sources the receiver skipped
(rsync reference behavior)."""
def test_existing_first_sync_keeps_new_source(self, shared_server):
source = os.path.join(TEST_DATA_DIR, "remove_rsf_existing_src")
dest = os.path.join(TEST_DATA_DIR, "remove_rsf_existing_dst")
clean_dir(source)
clean_dir(dest)
with open(os.path.join(source, "only.txt"), "wb") as f:
f.write(b"keep me")
result, _ = run_client(source, dest, flags=["--remove-source-files", "--existing"],
port=shared_server.port)
assert result.returncode == 0, f"Sync failed: {result.stderr[:200]}"
# The file exists only on the source side, so --existing makes the
# receiver skip it; the source must therefore not be removed.
assert os.path.isfile(os.path.join(source, "only.txt"))
received = get_dest_received_dir(dest, source)
assert not os.path.exists(os.path.join(received, "only.txt"))
def test_ignore_existing_keeps_skipped_source(self, shared_server):
source = os.path.join(TEST_DATA_DIR, "remove_rsf_ignore_src")
dest = os.path.join(TEST_DATA_DIR, "remove_rsf_ignore_dst")
clean_dir(source)
clean_dir(dest)
source_file = os.path.join(source, "file.txt")
with open(source_file, "wb") as f:
f.write(b"payload")
result, _ = run_client(source, dest, port=shared_server.port)
assert result.returncode == 0
result, _ = run_client(source, dest, flags=["--remove-source-files", "--ignore-existing"],
port=shared_server.port)
assert result.returncode == 0, f"Sync failed: {result.stderr[:200]}"
# Destination already has the file, so the second run is a receiver
# skip; the source file must survive.
assert os.path.isfile(source_file)
received = get_dest_received_dir(dest, source)
assert _read_file(os.path.join(received, "file.txt")) == b"payload"
def test_update_newer_destination_keeps_source(self, shared_server):
source = os.path.join(TEST_DATA_DIR, "remove_rsf_update_src")
dest = os.path.join(TEST_DATA_DIR, "remove_rsf_update_dst")
clean_dir(source)
clean_dir(dest)
source_file = os.path.join(source, "file.txt")
with open(source_file, "wb") as f:
f.write(b"source payload")
result, _ = run_client(source, dest, port=shared_server.port)
assert result.returncode == 0
received = get_dest_received_dir(dest, source)
received_file = os.path.join(received, "file.txt")
with open(received_file, "wb") as f:
f.write(b"newer destination payload")
os.utime(received_file, ns=(time.time_ns() + 10**9, time.time_ns() + 10**9))
result, _ = run_client(source, dest, flags=["--remove-source-files", "--update"],
port=shared_server.port)
assert result.returncode == 0, f"Sync failed: {result.stderr[:200]}"
# --update skips a destination that is newer than the source, so the
# source must not be removed.
assert os.path.isfile(source_file)
assert _read_file(received_file) == b"newer destination payload"
def test_multithreaded_ignore_existing_keeps_skipped_source(self, shared_server):
"""The multithreaded writer path must also report per-file outcomes so a
--remove-source-files sender does not delete skipped sources."""
source = os.path.join(TEST_DATA_DIR, "remove_rsf_mt_ignore_src")
dest = os.path.join(TEST_DATA_DIR, "remove_rsf_mt_ignore_dst")
clean_dir(source)
clean_dir(dest)
source_file = os.path.join(source, "file.txt")
with open(source_file, "wb") as f:
f.write(b"payload")
result, _ = run_client(source, dest, port=shared_server.port)
assert result.returncode == 0
result, _ = run_client(source, dest,
flags=["--remove-source-files", "--ignore-existing", "-m"],
port=shared_server.port)
assert result.returncode == 0, f"Sync failed: {result.stderr[:200]}"
# Destination already has the file, so the receiver (writer thread)
# skips it; the source must survive.
assert os.path.isfile(source_file)
received = get_dest_received_dir(dest, source)
assert _read_file(os.path.join(received, "file.txt")) == b"payload"
class TestBackup:
def _sync(self, source, dest, flags, port):
return run_client(source, dest, flags=flags, port=port)
def test_plain_backup_keeps_previous_version(self, shared_server):
source = os.path.join(TEST_DATA_DIR, "backup_src")
dest = os.path.join(TEST_DATA_DIR, "backup_dst")
clean_dir(source)
clean_dir(dest)
source_file = os.path.join(source, "f.txt")
with open(source_file, "wb") as f:
f.write(b"AAAA")
result, _ = self._sync(source, dest, ["--backup"], shared_server.port)
assert result.returncode == 0, f"Backup sync failed: {result.stderr[:200]}"
with open(source_file, "wb") as f:
f.write(b"BBBB")
result, _ = self._sync(source, dest, ["--backup"], shared_server.port)
assert result.returncode == 0, f"Backup sync failed: {result.stderr[:200]}"
received = get_dest_received_dir(dest, source)
assert _read_file(os.path.join(received, "f.txt")) == b"BBBB"
# rsync default suffix "~" keeps the overwritten version.
assert _read_file(os.path.join(received, "f.txt~")) == b"AAAA"
def test_backup_custom_suffix(self, shared_server):
source = os.path.join(TEST_DATA_DIR, "backup_suffix_src")
dest = os.path.join(TEST_DATA_DIR, "backup_suffix_dst")
clean_dir(source)
clean_dir(dest)
source_file = os.path.join(source, "f.txt")
with open(source_file, "wb") as f:
f.write(b"AAAA")
flags = ["--backup", "--suffix", ".bak"]
result, _ = self._sync(source, dest, flags, shared_server.port)
assert result.returncode == 0, f"Backup sync failed: {result.stderr[:200]}"
with open(source_file, "wb") as f:
f.write(b"BBBB")
result, _ = self._sync(source, dest, flags, shared_server.port)
assert result.returncode == 0, f"Backup sync failed: {result.stderr[:200]}"
received = get_dest_received_dir(dest, source)
assert _read_file(os.path.join(received, "f.txt")) == b"BBBB"
assert _read_file(os.path.join(received, "f.txt.bak")) == b"AAAA"
def test_backup_dir_stores_backups_separately(self, shared_server):
source = os.path.join(TEST_DATA_DIR, "backup_dir_src")
dest = os.path.join(TEST_DATA_DIR, "backup_dir_dst")
clean_dir(source)
clean_dir(dest)
source_file = os.path.join(source, "f.txt")
with open(source_file, "wb") as f:
f.write(b"AAAA")
flags = ["--backup", "--backup-dir", "backups"]
result, _ = self._sync(source, dest, flags, shared_server.port)
assert result.returncode == 0, f"Backup sync failed: {result.stderr[:200]}"
with open(source_file, "wb") as f:
f.write(b"BBBB")
result, _ = self._sync(source, dest, flags, shared_server.port)
assert result.returncode == 0, f"Backup sync failed: {result.stderr[:200]}"
received = get_dest_received_dir(dest, source)
assert _read_file(os.path.join(received, "f.txt")) == b"BBBB"
backup = os.path.join(dest, "backups", os.path.relpath(source_file, os.path.sep))
assert _read_file(backup) == b"AAAA"
class TestPartialDir:
def test_completed_transfer_installed_in_destination(self, shared_server):
source = os.path.join(TEST_DATA_DIR, "partial_src")
dest = os.path.join(TEST_DATA_DIR, "partial_dst")
clean_dir(source)
clean_dir(dest)
source_file = os.path.join(source, "f.txt")
with open(source_file, "wb") as f:
f.write(b"partial payload")
result, _ = run_client(source, dest, flags=["--partial", "--partial-dir", ".partial"],
port=shared_server.port)
assert result.returncode == 0, f"Partial sync failed: {result.stderr[:200]}"
received = get_dest_received_dir(dest, source)
assert _read_file(os.path.join(received, "f.txt")) == b"partial payload"
# A completed transfer must not remain under the partial directory.
partial = os.path.join(dest, ".partial", os.path.relpath(source_file, os.path.sep))
assert not os.path.exists(partial)
class TestLargeFile:
def test_transfer_100mb_file(self, shared_server):
source = os.path.join(TEST_DATA_DIR, "large_src")
dest = os.path.join(TEST_DATA_DIR, "large_dst")
clean_dir(source)
clean_dir(dest)
source_file = os.path.join(source, "big.bin")
chunk = os.urandom(1024 * 1024)
with open(source_file, "wb") as f:
for _ in range(100):
f.write(chunk)
result, _ = run_client(source, dest, port=shared_server.port)
assert result.returncode == 0, f"Large-file sync failed: {result.stderr[:200]}"
received = get_dest_received_dir(dest, source)
assert filecmp.cmp(source_file, os.path.join(received, "big.bin"), shallow=False)
class TestOneFileSystem:
def _make_tree(self, source):
clean_dir(source)
os.makedirs(os.path.join(source, "nested", "deeper"))
with open(os.path.join(source, "root.txt"), "wb") as f:
f.write(b"root")
with open(os.path.join(source, "nested", "inner.txt"), "wb") as f:
f.write(b"inner")
with open(os.path.join(source, "nested", "deeper", "deep.txt"), "wb") as f:
f.write(b"deep")
def _assert_full_tree_transferred(self, source, dest, port, flags):
clean_dir(dest)
result, _ = run_client(source, dest, flags=flags, port=port)
assert result.returncode == 0, f"Sync failed: {result.stderr[:200]}"
received = get_dest_received_dir(dest, source)
mismatches, missing = verify_transfer(source, received)
assert not missing, f"Missing: {missing}"
assert not mismatches, f"Mismatch: {mismatches}"
def test_x_transfer_matches_plain_over_single_filesystem(self, shared_server):
source = os.path.join(TEST_DATA_DIR, "ofs_src")
self._make_tree(source)
self._assert_full_tree_transferred(source, os.path.join(TEST_DATA_DIR, "ofs_dst"),
shared_server.port, ["-x"])
def test_x_multithreaded_transfer_matches_plain_over_single_filesystem(self, shared_server):
source = os.path.join(TEST_DATA_DIR, "ofs_m_src")
self._make_tree(source)
self._assert_full_tree_transferred(source, os.path.join(TEST_DATA_DIR, "ofs_m_dst"),
shared_server.port, ["-m", "--one-file-system"])
def test_x_skips_other_device_mountpoint(self, shared_server):
if os.geteuid() != 0 or shutil.which("mount") is None or shutil.which("umount") is None:
pytest.skip("cross-device test requires root and mount(8)")
source = os.path.join(TEST_DATA_DIR, "ofs_mnt_src")
dest = os.path.join(TEST_DATA_DIR, "ofs_mnt_dst")
dest_plain = os.path.join(TEST_DATA_DIR, "ofs_mnt_plain_dst")
mountpoint = os.path.join(source, "external")
clean_dir(source)
clean_dir(dest)
clean_dir(dest_plain)
os.makedirs(mountpoint)
os.makedirs(os.path.join(source, "nested"))
with open(os.path.join(source, "root.txt"), "wb") as f:
f.write(b"root")
with open(os.path.join(source, "nested", "inner.txt"), "wb") as f:
f.write(b"inner")
mounted = False
unmount_error = ""
try:
mount = subprocess.run(["mount", "-t", "tmpfs", "tmpfs", mountpoint],
capture_output=True, text=True)
if mount.returncode != 0:
pytest.skip(f"cannot mount tmpfs: {mount.stderr.strip()}")
mounted = True
with open(os.path.join(mountpoint, "away.txt"), "wb") as f:
f.write(b"cross device")
result, _ = run_client(source, dest, flags=["-x"], port=shared_server.port)
assert result.returncode == 0, f"-x sync failed: {result.stderr[:200]}"
received = get_dest_received_dir(dest, source)
assert os.path.isfile(os.path.join(received, "root.txt"))
assert os.path.isfile(os.path.join(received, "nested", "inner.txt"))
assert not os.path.exists(os.path.join(received, "external", "away.txt")), \
"-x must not cross into the mounted filesystem"
result, _ = run_client(source, dest_plain, port=shared_server.port)
assert result.returncode == 0, f"plain sync failed: {result.stderr[:200]}"
received_plain = get_dest_received_dir(dest_plain, source)
assert os.path.isfile(os.path.join(received_plain, "external", "away.txt")), \
"without -x the mounted subtree must be transferred"
finally:
if mounted:
umount = subprocess.run(["umount", mountpoint], capture_output=True, text=True)
if umount.returncode != 0:
unmount_error = umount.stderr.strip()
if unmount_error:
pytest.fail(f"test mountpoint {mountpoint} still mounted after umount: {unmount_error}")
def _walk_tmp_files(root):
"""Recursively list *.tmp* leftovers under root (empty if root missing)."""
leftovers = []
if not os.path.isdir(root):
return leftovers
for base, _, files in os.walk(root):
for name in files:
if ".tmp." in name:
leftovers.append(os.path.join(base, name))
return leftovers
class TestTempDir:
"""--temp-dir=DIR puts the receiver's temporary working copies in a scratch
directory below the destination root and atomically renames each completed
file into its final destination. Files sharing a basename across
directories exercise the flat scratch namespace."""
def _make_source(self, name):
source = os.path.join(TEST_DATA_DIR, name)
clean_dir(source)
entries = {
"top.txt": b"top level\n",
"sub/file.txt": b"nested file\n" * 20,
"other/file.txt": b"other nested file\n",
"sub/deep.bin": bytes(range(256)) * 8,
}
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)
return source
def _assert_clean_scratch(self, scratch):
assert os.path.isdir(scratch), f"scratch dir {scratch} was not created"
leftovers = _walk_tmp_files(scratch)
assert leftovers == [], f"leftover temp files in scratch dir: {leftovers}"
@pytest.mark.parametrize("mt", [False, True])
def test_temp_dir_scratch(self, shared_server, mt):
source = self._make_source("tempdir_src")
dest = os.path.join(TEST_DATA_DIR, "tempdir_dst")
clean_dir(dest)
flags = ["--temp-dir=scratch"] + (["-m"] if mt else [])
result, _ = run_client(source, dest, flags=flags, port=shared_server.port)
assert result.returncode == 0, f"temp-dir sync failed: {result.stderr[:200]}"
received = get_dest_received_dir(dest, source)
mismatches, missing = verify_transfer(source, received)
assert not missing, f"Missing: {missing}"
assert not mismatches, f"Mismatch: {mismatches}"
self._assert_clean_scratch(os.path.join(dest, "scratch"))
def test_default_behavior_has_no_scratch_dir(self, shared_server):
source = self._make_source("tempdir_default_src")
dest = os.path.join(TEST_DATA_DIR, "tempdir_default_dst")
clean_dir(dest)
result, _ = run_client(source, dest, port=shared_server.port)
assert result.returncode == 0, f"Default sync failed: {result.stderr[:200]}"
received = get_dest_received_dir(dest, source)
mismatches, missing = verify_transfer(source, received)
assert not missing, f"Missing: {missing}"
assert not mismatches, f"Mismatch: {mismatches}"
assert not os.path.exists(os.path.join(dest, "scratch"))
def test_temp_dir_ignored_with_inplace(self, shared_server):
"""--inplace writes directly into the destination; --temp-dir must not
redirect those writes into a scratch dir."""
source = self._make_source("tempdir_inplace_src")
dest = os.path.join(TEST_DATA_DIR, "tempdir_inplace_dst")
clean_dir(dest)
result, _ = run_client(source, dest,
flags=["--inplace", "--temp-dir=scratch"],
port=shared_server.port)
assert result.returncode == 0, f"inplace+temp-dir sync failed: {result.stderr[:200]}"
received = get_dest_received_dir(dest, source)
mismatches, missing = verify_transfer(source, received)
assert not missing, f"Missing: {missing}"
assert not mismatches, f"Mismatch: {mismatches}"
assert not os.path.exists(os.path.join(dest, "scratch")), \
"--inplace wrote through the scratch dir"
def test_temp_dir_ignored_with_partial_dir(self, shared_server):
"""--partial --partial-dir already stages in a separate directory;
--temp-dir must not be used on top of it."""
source = self._make_source("tempdir_partial_src")
dest = os.path.join(TEST_DATA_DIR, "tempdir_partial_dst")
clean_dir(dest)
result, _ = run_client(source, dest,
flags=["--partial", "--partial-dir", ".partial",
"--temp-dir=scratch"],
port=shared_server.port)
assert result.returncode == 0, f"partial+temp-dir sync failed: {result.stderr[:200]}"
received = get_dest_received_dir(dest, source)
mismatches, missing = verify_transfer(source, received)
assert not missing, f"Missing: {missing}"
assert not mismatches, f"Mismatch: {mismatches}"
partial = os.path.join(dest, ".partial",
os.path.relpath(os.path.join(source, "top.txt"), os.path.sep))
assert not os.path.exists(partial), "completed file remained under the partial dir"
assert not os.path.exists(os.path.join(dest, "scratch")), \
"--partial-dir wrote through the scratch dir"
def test_temp_dir_escape_rejected(self, shared_server):
source = self._make_source("tempdir_escape_src")
dest = os.path.join(TEST_DATA_DIR, "tempdir_escape_dst")
clean_dir(dest)
# "../escape" would resolve one level above the destination root.
outside = os.path.join(TEST_DATA_DIR, "escape")
assert not os.path.lexists(outside)
result, _ = run_client(source, dest, flags=["--temp-dir=../escape"],
port=shared_server.port)
assert result.returncode != 0, "relative escaping --temp-dir was not rejected"
assert not os.path.lexists(outside), "file created outside the destination root"
clean_dir(dest)
abs_escape = os.path.join(TEST_DATA_DIR, "abs_escape_probe")
assert not os.path.lexists(abs_escape)
result, _ = run_client(source, dest, flags=["--temp-dir", abs_escape],
port=shared_server.port)
assert result.returncode != 0, "absolute --temp-dir was not rejected"
assert not os.path.lexists(abs_escape), "file created outside the destination root"
def _source_files():
"""All source paths (absolute) that a transfer would send right now."""
return [
os.path.join(root, name)
for root, _dirs, names in os.walk(SOURCE_DIR)
for name in names
]
class TestListOnly:
"""--list-only prints every transfer candidate and changes nothing."""
def test_list_only_prints_each_file_and_does_not_transfer(self):
clean_dir(DEST_DIR)
result, _ = run_client(SOURCE_DIR, DEST_DIR, flags=["--list-only"])
assert result.returncode == 0, f"list-only failed: {result.stderr[:200]}"
for full_path in _source_files():
assert full_path in result.stdout, f"list-only omitted {full_path}"
received = get_dest_received_dir(DEST_DIR, SOURCE_DIR)
assert not os.path.exists(received), "list-only wrote to the destination"
def test_list_only_with_dry_run_does_not_error(self):
clean_dir(DEST_DIR)
result, _ = run_client(SOURCE_DIR, DEST_DIR, flags=["--list-only", "--dry-run"])
assert result.returncode == 0, f"list-only -n failed: {result.stderr[:200]}"
received = get_dest_received_dir(DEST_DIR, SOURCE_DIR)
assert not os.path.exists(received)
def test_list_only_multithreaded(self):
clean_dir(DEST_DIR)
result, _ = run_client(SOURCE_DIR, DEST_DIR, flags=["--list-only", "-m"])
assert result.returncode == 0, f"list-only -m failed: {result.stderr[:200]}"
for full_path in _source_files():
assert full_path in result.stdout, f"list-only -m omitted {full_path}"
received = get_dest_received_dir(DEST_DIR, SOURCE_DIR)
assert not os.path.exists(received), "list-only -m wrote to the destination"
class TestItemizeChanges:
"""-i/--itemize-changes prints rsync-style lines only for files sent."""
def test_first_run_prints_sent_lines(self, shared_server):
clean_dir(DEST_DIR)
result, _ = run_client(SOURCE_DIR, DEST_DIR,
flags=["-M", "-i"], port=shared_server.port)
assert result.returncode == 0, f"itemize sync failed: {result.stderr[:200]}"
sent_lines = {">f+++++++++ " + p for p in _source_files()}
assert sent_lines <= set(result.stdout.splitlines()), (
f"missing itemize lines; got {result.stdout[:500]}"
)
def test_incremental_second_run_prints_no_line_for_unchanged(self, shared_server):
clean_dir(DEST_DIR)
result, _ = run_client(SOURCE_DIR, DEST_DIR, flags=["-M"], port=shared_server.port)
assert result.returncode == 0, f"seed sync failed: {result.stderr[:200]}"
result, _ = run_client(SOURCE_DIR, DEST_DIR,
flags=["-M", "-i", "--incremental"],
port=shared_server.port)
assert result.returncode == 0, f"incremental itemize failed: {result.stderr[:200]}"
itemized = [line for line in result.stdout.splitlines() if line and line[0] in ">.<c"]
assert itemized == [], f"unchanged files were itemized: {itemized[:5]}"
def test_multithreaded_emits_same_itemize_lines(self, shared_server):
clean_dir(DEST_DIR)
result, _ = run_client(SOURCE_DIR, DEST_DIR,
flags=["-M", "-i", "-m"], port=shared_server.port)
assert result.returncode == 0, f"itemize -m sync failed: {result.stderr[:200]}"
sent_lines = {">f+++++++++ " + p for p in _source_files()}
assert sent_lines <= set(result.stdout.splitlines()), (
f"missing itemize lines in -m mode; got {result.stdout[:500]}"
)
def test_dry_run_with_itemize_does_not_error(self):
clean_dir(DEST_DIR)
result, _ = run_client(SOURCE_DIR, DEST_DIR, flags=["-i", "--dry-run"])
assert result.returncode == 0, f"dry-run -i failed: {result.stderr[:200]}"
def test_changed_file_on_second_incremental_run_prints_exactly_one_line(self, shared_server):
"""A changed file itemizes exactly once on an incremental rerun while
unchanged files print nothing (no double emission)."""
source = os.path.join(TEST_DATA_DIR, "itemize_change_src")
dest = os.path.join(TEST_DATA_DIR, "itemize_change_dst")
clean_dir(source)
clean_dir(dest)
changed = os.path.join(source, "changed.txt")
untouched = os.path.join(source, "untouched.txt")
with open(changed, "wb") as fh:
fh.write(b"original\n")
with open(untouched, "wb") as fh:
fh.write(b"stable\n")
result, _ = run_client(source, dest, flags=["-M"], port=shared_server.port)
assert result.returncode == 0, f"seed sync failed: {result.stderr[:200]}"
with open(changed, "wb") as fh:
fh.write(b"edited payload\n")
result, _ = run_client(source, dest,
flags=["-M", "-i", "--incremental"],
port=shared_server.port)
assert result.returncode == 0, f"incremental itemize failed: {result.stderr[:200]}"
itemized = [line for line in result.stdout.splitlines() if line.startswith(">f")]
assert itemized == [">f+++++++++ " + changed], (
f"expected exactly one itemize line for {changed}, got {itemized}"
)
received = get_dest_received_dir(dest, source)
assert _read_file(os.path.join(received, "changed.txt")) == b"edited payload\n"
assert _read_file(os.path.join(received, "untouched.txt")) == b"stable\n"
class TestOutFormat:
"""--out-format prints a line per transferred file using the template."""
def test_out_format_path_and_size(self, shared_server):
clean_dir(DEST_DIR)
result, _ = run_client(SOURCE_DIR, DEST_DIR,
flags=["--out-format=%f %l"], port=shared_server.port)
assert result.returncode == 0, f"out-format sync failed: {result.stderr[:200]}"
expected = {f"{p} {os.path.getsize(p)}" for p in _source_files()}
got = set(result.stdout.splitlines())
assert expected <= got, f"out-format lines missing: expected {len(expected)} got {len(got)}"
def test_out_format_multithreaded_matches_single(self, shared_server):
clean_dir(DEST_DIR)
result, _ = run_client(SOURCE_DIR, DEST_DIR,
flags=["--out-format=%f %l", "-m"], port=shared_server.port)
assert result.returncode == 0, f"out-format -m sync failed: {result.stderr[:200]}"
expected = {f"{p} {os.path.getsize(p)}" for p in _source_files()}
got = set(result.stdout.splitlines())
assert expected <= got, f"out-format -m lines missing: {result.stdout[:500]}"
class TestLogFileFormat:
"""--log-file plus --log-file-format writes per-file lines to the log."""
def test_log_file_format_writes_transferred_files(self, shared_server):
clean_dir(DEST_DIR)
log_path = os.path.join(TEST_DATA_DIR, "itemize_transfer.log")
if os.path.exists(log_path):
os.unlink(log_path)
result, _ = run_client(
SOURCE_DIR, DEST_DIR,
flags=["--log-file", log_path, "--log-file-format=%f %l"],
port=shared_server.port,
)
assert result.returncode == 0, f"log-file sync failed: {result.stderr[:200]}"
assert os.path.exists(log_path), "--log-file created no log"
with open(log_path, encoding="utf-8", errors="replace") as fh:
content = fh.read()
expected = {f"{p} {os.path.getsize(p)}" for p in _source_files()}
for line in expected:
assert line in content, f"log file missing {line!r}"
def test_log_file_format_multithreaded_writes_transferred_files(self, shared_server):
source = os.path.join(TEST_DATA_DIR, "itemize_log_mt_src")
dest = os.path.join(TEST_DATA_DIR, "itemize_log_mt_dst")
clean_dir(source)
clean_dir(dest)
files = {"a.txt": b"alpha\n", "b.txt": b"beta\n"}
for rel, data in files.items():
with open(os.path.join(source, rel), "wb") as fh:
fh.write(data)
log_path = os.path.join(TEST_DATA_DIR, "itemize_mt.log")
if os.path.exists(log_path):
os.unlink(log_path)
result, _ = run_client(
source,
dest,
flags=["--log-file", log_path, "--log-file-format=%f %l", "-m"],
port=shared_server.port,
)
assert result.returncode == 0, f"log-file -m sync failed: {result.stderr[:200]}"
assert os.path.exists(log_path), "--log-file created no log"
with open(log_path, encoding="utf-8", errors="replace") as fh:
content = fh.read()
expected = {f"{os.path.join(source, rel)} {len(data)}" for rel, data in files.items()}
for line in expected:
assert line in content, f"log file (-m) missing {line!r}"
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