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)
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)
def test_write_big(ftp_writable):
host, port, user, pw = ftp_writable
fs = FTPFileSystem(host, port, user, pw, block_size=1000)
fn = '/bigger'
with fs.open(fn, 'wb') as f:
f.write(b'o' * 500)
assert not fs.exists(fn)
f.write(b'o' * 1000)
fs.invalidate_cache()
assert fs.exists(fn)
f.write(b'o' * 200)
f.flush()
assert f.buffer.tell() == 0
assert fs.cat(fn) == b'o' * 1700
def test_write_big(ftp_writable, cache_type):
host, port, user, pw = ftp_writable
fs = FTPFileSystem(host,
port,
user,
pw,
block_size=1000,
cache_type=cache_type)
fn = "/bigger"
with fs.open(fn, "wb") as f:
f.write(b"o" * 500)
assert not fs.exists(fn)
f.write(b"o" * 1000)
fs.invalidate_cache()
assert fs.exists(fn)
f.write(b"o" * 200)
f.flush()
assert fs.info(fn)["size"] == 1700
assert fs.cat(fn) == b"o" * 1700
def test_write_small(ftp_writable):
host, port, user, pw = ftp_writable
fs = FTPFileSystem(host, port, user, pw)
with fs.open("/out2", "wb") as f:
f.write(b"oi")
assert fs.cat("/out2") == b"oi"
def test_basic(ftp):
host, port = ftp
fs = FTPFileSystem(host, port)
assert fs.ls("/", detail=False) == sorted(os.listdir(here))
out = fs.cat("/" + os.path.basename(__file__))
assert out == open(__file__, "rb").read()
def test_write_small(ftp_writable):
host, port, user, pw = ftp_writable
fs = FTPFileSystem(host, port, user, pw)
with fs.open('/out2', 'wb') as f:
f.write(b'oi')
assert fs.cat('/out2') == b'oi'