def test_cat_get(ftp_writable, tmpdir):
host, port, user, pw = ftp_writable
fs = FTPFileSystem(host, port, user, pw, block_size=500)
fs.mkdir("/tmp")
data = b"hello" * 500
fs.pipe("/tmp/myfile", data)
assert fs.cat_file("/tmp/myfile") == data
fn = os.path.join(tmpdir, "lfile")
fs.get_file("/tmp/myfile", fn)
assert open(fn, "rb").read() == data
def test_transaction(ftp_writable):
host, port, user, pw = ftp_writable
fs = FTPFileSystem(host, port, user, pw)
fs.mkdir('/tmp')
fn = '/tr'
with fs.transaction:
with fs.open(fn, 'wb') as f:
f.write(b'not')
assert not fs.exists(fn)
assert fs.exists(fn)
assert fs.cat(fn) == b'not'
def test_mkdir(ftp_writable):
host, port, user, pw = ftp_writable
fs = FTPFileSystem(host, port, user, pw)
with pytest.raises(ftplib.error_perm):
fs.mkdir("/tmp/not/exist", create_parents=False)
fs.mkdir("/tmp/not/exist")
assert fs.exists("/tmp/not/exist")
fs.makedirs("/tmp/not/exist", exist_ok=True)
with pytest.raises(FileExistsError):
fs.makedirs("/tmp/not/exist", exist_ok=False)
fs.makedirs("/tmp/not/exist/inner/inner")
assert fs.isdir("/tmp/not/exist/inner/inner")
def test_transaction_with_cache(ftp_writable, tmpdir):
host, port, user, pw = ftp_writable
fs = FTPFileSystem(host, port, user, pw)
fs.mkdir("/tmp")
fs.mkdir("/tmp/dir")
assert "dir" in fs.ls("/tmp", detail=False)
with fs.transaction:
fs.rmdir("/tmp/dir")
assert "dir" not in fs.ls("/tmp", detail=False)
assert not fs.exists("/tmp/dir")
def test_rm_recursive(ftp_writable):
host, port, user, pw = ftp_writable
fs = FTPFileSystem(host, port, user, pw)
fs.mkdir("/tmp/topdir")
fs.mkdir("/tmp/topdir/underdir")
fs.touch("/tmp/topdir/afile")
fs.touch("/tmp/topdir/underdir/afile")
with pytest.raises(ftplib.error_perm):
fs.rmdir("/tmp/topdir")
fs.rm("/tmp/topdir", recursive=True)
assert not fs.exists("/tmp/topdir")
def test_transaction(ftp_writable):
host, port, user, pw = ftp_writable
fs = FTPFileSystem(host, port, user, pw)
fs.mkdir("/tmp")
fn = "/tr"
with fs.transaction:
with fs.open(fn, "wb") as f:
f.write(b"not")
assert not fs.exists(fn)
assert fs.exists(fn)
assert fs.cat(fn) == b"not"
fs.rm(fn)
assert not fs.exists(fn)