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################################################################################
# Copyright 2018-2020, Barcelona Supercomputing Center (BSC), Spain #
# Copyright 2015-2020, Johannes Gutenberg Universitaet Mainz, Germany #
# #
# This software was partially supported by the #
# EC H2020 funded project NEXTGenIO (Project ID: 671951, www.nextgenio.eu). #
# #
# This software was partially supported by the #
# ADA-FS project under the SPPEXA project funded by the DFG. #
# #
# SPDX-License-Identifier: MIT #
################################################################################
import harness
from pathlib import Path
import errno
import stat
import os
import ctypes
import sh
import sys
import pytest
from harness.logger import logger
nonexisting = "nonexisting"
#@pytest.mark.xfail(reason="invalid errno returned on success")
def test_mkdir(gkfs_daemon, gkfs_client):
"""Create a new directory in the FS's root"""
topdir = gkfs_daemon.mountdir / "top"
longer = Path(topdir.parent, topdir.name + "_plus")
dir_a = topdir / "dir_a"
dir_b = topdir / "dir_b"
file_a = topdir / "file_a"
subdir_a = dir_a / "subdir_a"
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# create topdir
ret = gkfs_client.mkdir(
topdir,
stat.S_IRWXU | stat.S_IRWXG | stat.S_IRWXO)
assert ret.retval == 0
# test stat on existing dir
ret = gkfs_client.stat(topdir)
assert ret.retval == 0
assert stat.S_ISDIR(ret.statbuf.st_mode)
# open topdir
ret = gkfs_client.open(topdir, os.O_DIRECTORY)
assert ret.retval != -1
# read and write should be impossible on directories
ret = gkfs_client.read(topdir, 1)
assert ret.buf is None
assert ret.retval == -1
assert ret.errno == errno.EISDIR
# buf = bytes('42', sys.stdout.encoding)
# print(buf.hex())
buf = b'42'
ret = gkfs_client.write(topdir, buf, 1)
assert ret.retval == -1
assert ret.errno == errno.EISDIR
# read top directory that is empty
ret = gkfs_client.opendir(topdir)
assert ret.dirp is not None
ret = gkfs_client.readdir(topdir)
# XXX: This might change in the future if we add '.' and '..'
assert len(ret.dirents) == 0
# close directory
# TODO: disabled for now because we have no way to keep DIR* alive
# between gkfs.io executions
# ret = gkfs_client.opendir(XXX)
# populate top directory
for d in [dir_a, dir_b]:
ret = gkfs_client.mkdir(
d,
stat.S_IRWXU | stat.S_IRWXG | stat.S_IRWXO)
assert ret.retval == 0
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os.O_CREAT,
stat.S_IRWXU | stat.S_IRWXG | stat.S_IRWXO)
assert ret.retval != -1
ret = gkfs_client.readdir(gkfs_daemon.mountdir)
# XXX: This might change in the future if we add '.' and '..'
assert len(ret.dirents) == 1
assert ret.dirents[0].d_name == 'top'
assert ret.dirents[0].d_type == 4 # DT_DIR
expected = [
( dir_a.name, 4 ), # DT_DIR
( dir_b.name, 4 ),
( file_a.name, 8 ) # DT_REG
]
ret = gkfs_client.readdir(topdir)
assert len(ret.dirents) == len(expected)
for d,e in zip(ret.dirents, expected):
assert d.d_name == e[0]
assert d.d_type == e[1]
# remove file using rmdir should produce an error
ret = gkfs_client.rmdir(file_a)
assert ret.retval == -1
assert ret.errno == errno.ENOTDIR
# create a directory with the same prefix as topdir but longer name
ret = gkfs_client.mkdir(
longer,
stat.S_IRWXU | stat.S_IRWXG | stat.S_IRWXO)
assert ret.retval == 0
expected = [
( topdir.name, 4 ), # DT_DIR
( longer.name, 4 ), # DT_DIR
]
ret = gkfs_client.readdir(gkfs_daemon.mountdir)
assert len(ret.dirents) == len(expected)
for d,e in zip(ret.dirents, expected):
assert d.d_name == e[0]
assert d.d_type == e[1]
# create 2nd level subdir and check it's not included in readdir()
ret = gkfs_client.mkdir(
stat.S_IRWXU | stat.S_IRWXG | stat.S_IRWXO)
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assert ret.retval == 0
expected = [
( topdir.name, 4 ), # DT_DIR
( longer.name, 4 ), # DT_DIR
]
ret = gkfs_client.readdir(gkfs_daemon.mountdir)
assert len(ret.dirents) == len(expected)
for d,e in zip(ret.dirents, expected):
assert d.d_name == e[0]
assert d.d_type == e[1]
expected = [
( subdir_a.name, 4 ), # DT_DIR
]
ret = gkfs_client.readdir(dir_a)
assert len(ret.dirents) == len(expected)
for d,e in zip(ret.dirents, expected):
assert d.d_name == e[0]
assert d.d_type == e[1]
return
@pytest.mark.skip(reason="invalid errno returned on success")
@pytest.mark.parametrize("directory_path",
[ nonexisting ])
def test_opendir(gkfs_daemon, gkfs_client, directory_path):
ret = gkfs_client.opendir(gkfs_daemon.mountdir / directory_path)
assert ret.dirp is None
assert ret.errno == errno.ENOENT
# def test_stat(gkfs_daemon):
# pass
# def test_rmdir(gkfs_daemon):
# pass
# def test_closedir(gkfs_daemon):
# pass