def test_keep_two_backup_directories_per_datadirectory(tmp_path):
"""Delete all but two subsubdirectories if backup depth is two."""
to_keep = 2
Path(tmp_path).joinpath(CONFIGFILE_NAME).write_text("config stuff")
datadir = Path(tmp_path) / "datadir"
datadir.mkdir() # create a "data directory"
os.chdir(datadir) # starting point would normally be a data directory
backups_dir = Path(tmp_path) / BACKUPDIR_NAME
backups_dir.mkdir()
Path(backups_dir).joinpath("agenda/2020-01-01").mkdir(parents=True,
exist_ok=True)
Path(backups_dir).joinpath("agenda/2020-01-02").mkdir(parents=True,
exist_ok=True)
Path(backups_dir).joinpath("agenda/2020-01-03").mkdir(parents=True,
exist_ok=True)
Path(backups_dir).joinpath("agendab/2020-01-01").mkdir(parents=True,
exist_ok=True)
Path(backups_dir).joinpath("agendab/2020-01-02").mkdir(parents=True,
exist_ok=True)
Path(backups_dir).joinpath("agendab/2020-01-03").mkdir(parents=True,
exist_ok=True)
delete_older_backupdirs(depth=to_keep, backupdir=BACKUPDIR_NAME)
expected = [
Path(backups_dir, "agenda"),
Path(backups_dir, "agenda/2020-01-02"),
Path(backups_dir, "agenda/2020-01-03"),
Path(backups_dir, "agendab"),
Path(backups_dir, "agendab/2020-01-02"),
Path(backups_dir, "agendab/2020-01-03"),
]
actual = list(Path(backups_dir).rglob("*"))
assert sorted(expected) == sorted(actual)
def test_delete_all_if_backup_depth_is_none(tmp_path):
"""Delete all sub-sub- and subdirectories if backup depth not an integer."""
to_keep = None
Path(tmp_path).joinpath(CONFIGFILE_NAME).write_text("config stuff")
datadir = Path(tmp_path) / "datadir"
datadir.mkdir() # create a "data directory"
os.chdir(datadir) # starting point would normally be a data directory
backups_dir = Path(tmp_path) / BACKUPDIR_NAME
backups_dir.mkdir()
Path(backups_dir).joinpath("agenda/2020-01-01").mkdir(parents=True,
exist_ok=True)
Path(backups_dir).joinpath("agenda/2020-01-02").mkdir(parents=True,
exist_ok=True)
Path(backups_dir).joinpath("agenda/2020-01-03").mkdir(parents=True,
exist_ok=True)
Path(backups_dir).joinpath("agendab/2020-01-01").mkdir(parents=True,
exist_ok=True)
Path(backups_dir).joinpath("agendab/2020-01-02").mkdir(parents=True,
exist_ok=True)
Path(backups_dir).joinpath("agendab/2020-01-03").mkdir(parents=True,
exist_ok=True)
delete_older_backupdirs(depth=to_keep, backupdir=BACKUPDIR_NAME)
expected = []
actual = list(Path(backups_dir).rglob("*"))
assert sorted(expected) == sorted(actual)
def test_exits_if_bad_value_passed_for_depth(tmp_path):
"""Exits if a bad value is passed for depth."""
to_keep = "some_inappropriate_value_such_as_a_string"
Path(tmp_path).joinpath(CONFIGFILE_NAME).write_text("config stuff")
datadir = Path(tmp_path) / "datadir"
datadir.mkdir()
os.chdir(datadir)
backups_dir = Path(tmp_path) / BACKUPDIR_NAME
backups_dir.mkdir()
Path(backups_dir).joinpath("agenda/2020-01-01").mkdir(parents=True,
exist_ok=True)
with pytest.raises(SystemExit):
delete_older_backupdirs(depth=to_keep, backupdir=BACKUPDIR_NAME)
def test_delete_nothing_if_no_backupdirs_found(tmp_path):
"""Delete nothing (obviously) if no backup directories are found."""
to_keep = 3
Path(tmp_path).joinpath(CONFIGFILE_NAME).write_text("config stuff")
datadir = Path(tmp_path) / "datadir"
datadir.mkdir()
os.chdir(datadir)
backups_dir = Path(tmp_path) / BACKUPDIR_NAME
backups_dir.mkdir()
delete_older_backupdirs(depth=to_keep, backupdir=BACKUPDIR_NAME)
expected = []
actual = list(Path(backups_dir).rglob("*"))
assert sorted(expected) == sorted(actual)