Files
ad-ds-simple-file-server/tests/test_backup_to_destination.py
2026-07-17 13:23:00 +00:00

163 lines
6.0 KiB
Python

import io
import os
import tempfile
import unittest
from unittest import mock
from app import backup_to_destination as backup
class BackupLoggerTests(unittest.TestCase):
def test_logger_writes_console_and_timestamped_file(self):
console = io.StringIO()
errors = io.StringIO()
with tempfile.TemporaryDirectory() as tmpdir:
log_path = os.path.join(tmpdir, "backup.log")
logger = backup.BackupLogger(console_stream=console, error_stream=errors)
logger.configure(log_path)
logger.log("hello")
logger.close()
self.assertEqual(console.getvalue(), "[backup] hello\n")
self.assertEqual(errors.getvalue(), "")
with open(log_path, encoding="utf-8") as handle:
contents = handle.read()
self.assertRegex(
contents,
r"^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}\+00:00 \[backup\] hello\n$",
)
class ProgressConfigTests(unittest.TestCase):
def test_parse_progress_mode_accepts_known_values(self):
with mock.patch.dict(os.environ, {"BACKUP_PROGRESS": "ALWAYS"}):
self.assertEqual(backup.parse_progress_mode(), "always")
def test_parse_progress_mode_defaults_invalid_values(self):
with mock.patch.dict(os.environ, {"BACKUP_PROGRESS": "loud"}):
with mock.patch.object(backup, "log") as log:
self.assertEqual(backup.parse_progress_mode(), "auto")
log.assert_called_once()
def test_should_show_progress_bar_honors_mode_and_tty(self):
class Stream:
def __init__(self, is_tty):
self.is_tty = is_tty
def isatty(self):
return self.is_tty
self.assertTrue(backup.should_show_progress_bar("always", Stream(False)))
self.assertFalse(backup.should_show_progress_bar("never", Stream(True)))
self.assertTrue(backup.should_show_progress_bar("auto", Stream(True)))
self.assertFalse(backup.should_show_progress_bar("auto", Stream(False)))
class ProgressParsingTests(unittest.TestCase):
def test_splitter_handles_carriage_returns_newlines_and_ansi(self):
splitter = backup.OutputRecordSplitter()
self.assertEqual(splitter.feed("\x1b[2Kone\rtwo\n\nthree"), ["one", "two"])
self.assertEqual(splitter.close(), ["three"])
def test_parse_rclone_file_progress(self):
progress = backup.parse_rclone_progress_record(
" * data/private/file.txt: 42.5% /10Mi, 2Mi/s, ETA 4s"
)
self.assertEqual(progress.file_path, "data/private/file.txt")
self.assertEqual(progress.percent, 42.5)
self.assertEqual(progress.detail, "/10Mi, 2Mi/s, ETA 4s")
def test_parse_rsync_file_progress_uses_current_file(self):
progress = backup.parse_rsync_progress_record(
" 1,024 50% 1.00MB/s 0:00:01", "dir/file.bin"
)
self.assertEqual(progress.file_path, "dir/file.bin")
self.assertEqual(progress.percent, 50.0)
self.assertEqual(progress.detail, "1.00MB/s 0:00:01")
def test_reporter_throttles_progress_but_logs_final_event(self):
clock = [0.0]
logs = []
reporter = backup.SyncProgressReporter(
"rsync",
"/src",
"data/private",
interval_seconds=10,
interactive=True,
stream=io.StringIO(),
now=lambda: clock[0],
log_func=lambda message, console=True: logs.append((message, console)),
)
reporter.observe("dir/file.bin")
reporter.observe(" 10 10% 1.00MB/s 0:00:09")
clock[0] = 5.0
reporter.observe(" 20 20% 1.00MB/s 0:00:08")
clock[0] = 10.0
reporter.observe(" 30 30% 1.00MB/s 0:00:07")
clock[0] = 11.0
reporter.observe(" 100 100% 1.00MB/s 0:00:00")
self.assertEqual(len(logs), 3)
self.assertIn("dir/file.bin 10%", logs[0][0])
self.assertIn("dir/file.bin 30%", logs[1][0])
self.assertIn("dir/file.bin 100%", logs[2][0])
self.assertEqual([console for _, console in logs], [False, False, False])
class BackendProgressCommandTests(unittest.TestCase):
def test_rclone_sync_uses_progress_flags(self):
destination = backup.parse_destination("sftp://user@example.com/backups")
backend = backup.RcloneBackend(destination)
try:
with mock.patch.object(backup, "run_streaming_command") as run_streaming:
backend.sync_source(
"20260101T000000Z",
"/src",
"data/private",
progress_interval_seconds=7,
interactive_progress=False,
)
command = run_streaming.call_args.args[0]
self.assertIn("--progress", command)
self.assertIn("--stats", command)
self.assertIn("7s", command)
self.assertIn("--log-level", command)
self.assertIn("INFO", command)
self.assertIn("--config", command)
self.assertEqual(
run_streaming.call_args.kwargs["progress"].backend_name, "rclone"
)
finally:
backend.close()
def test_rsync_sync_uses_progress_flags(self):
destination = backup.parse_destination("rsync://user@example.com/module/path")
backend = backup.RsyncBackend(destination)
with mock.patch.object(backup, "run_streaming_command") as run_streaming:
backend.sync_source(
"20260101T000000Z",
"/src",
"data/private",
progress_interval_seconds=7,
interactive_progress=False,
)
command = run_streaming.call_args.args[0]
self.assertIn("--progress", command)
self.assertIn("--outbuf=L", command)
self.assertEqual(
run_streaming.call_args.kwargs["progress"].backend_name, "rsync"
)
self.assertIs(run_streaming.call_args.kwargs["env"], backend.command_env)
if __name__ == "__main__":
unittest.main()