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# coding: utf-8
from __future__ import unicode_literals
import sys
import errno
import io
import os
import shutil
import tempfile
import time
import unittest
import warnings
from six import text_type
from fs import errors, open_fs, osfs
from fs.path import dirname, relpath
from fs.test import FSTestCases
try:
from unittest import mock
except ImportError:
import mock
class TestOSFS(FSTestCases, unittest.TestCase):
"""Test OSFS implementation."""
@classmethod
def setUpClass(cls):
warnings.simplefilter("error")
@classmethod
def tearDownClass(cls):
warnings.simplefilter(warnings.defaultaction)
def make_fs(self):
temp_dir = tempfile.mkdtemp("fstestosfs")
return osfs.OSFS(temp_dir)
def destroy_fs(self, fs):
self.fs.close()
try:
shutil.rmtree(fs.getsyspath("/"))
except OSError:
# Already deleted
pass
def _get_real_path(self, path):
_path = os.path.join(self.fs.root_path, relpath(path))
return _path
def assert_exists(self, path):
_path = self._get_real_path(path)
self.assertTrue(os.path.exists(_path))
def assert_not_exists(self, path):
_path = self._get_real_path(path)
self.assertFalse(os.path.exists(_path))
def assert_isfile(self, path):
_path = self._get_real_path(path)
self.assertTrue(os.path.isfile(_path))
def assert_isdir(self, path):
_path = self._get_real_path(path)
self.assertTrue(os.path.isdir(_path))
def assert_bytes(self, path, contents):
assert isinstance(contents, bytes)
_path = self._get_real_path(path)
with io.open(_path, "rb") as f:
data = f.read()
self.assertEqual(data, contents)
self.assertIsInstance(data, bytes)
def assert_text(self, path, contents):
assert isinstance(contents, text_type)
_path = self._get_real_path(path)
with io.open(_path, "rt", encoding="utf-8") as f:
data = f.read()
self.assertEqual(data, contents)
self.assertIsInstance(data, text_type)
def test_not_exists(self):
with self.assertRaises(errors.CreateFailed):
osfs.OSFS("/does/not/exists/")
def test_expand_vars(self):
self.fs.makedir("TYRIONLANISTER")
self.fs.makedir("$FOO")
path = self.fs.getsyspath("$FOO")
os.environ["FOO"] = "TYRIONLANISTER"
fs1 = osfs.OSFS(path)
fs2 = osfs.OSFS(path, expand_vars=False)
self.assertIn("TYRIONLANISTER", fs1.getsyspath("/"))
self.assertNotIn("TYRIONLANISTER", fs2.getsyspath("/"))
def test_copy_preserve_time(self):
self.fs.makedir("foo")
self.fs.makedir("bar")
self.fs.create("foo/file.txt")
raw_info = {"details": {"modified": time.time() - 10000}}
self.fs.setinfo("foo/file.txt", raw_info)
namespaces = ("details", "modified")
src_info = self.fs.getinfo("foo/file.txt", namespaces)
self.fs.copy("foo/file.txt", "bar/file.txt", preserve_time=True)
self.assertTrue(self.fs.exists("bar/file.txt"))
dst_info = self.fs.getinfo("bar/file.txt", namespaces)
delta = dst_info.modified - src_info.modified
self.assertAlmostEqual(delta.total_seconds(), 0, places=2)
@unittest.skipUnless(osfs.sendfile, "sendfile not supported")
@unittest.skipIf(
sys.version_info >= (3, 8),
"the copy function uses sendfile in Python 3.8+, "
"making the patched implementation irrelevant",
)
def test_copy_sendfile(self):
# try copying using sendfile
with mock.patch.object(osfs, "sendfile") as sendfile:
sendfile.side_effect = OSError(errno.ENOSYS, "sendfile not supported")
self.test_copy()
# check other errors are transmitted
self.fs.touch("foo")
with mock.patch.object(osfs, "sendfile") as sendfile:
sendfile.side_effect = OSError(errno.EWOULDBLOCK)
with self.assertRaises(OSError):
self.fs.copy("foo", "foo_copy")
# check parent exist and is dir
with self.assertRaises(errors.ResourceNotFound):
self.fs.copy("foo", "spam/eggs")
with self.assertRaises(errors.DirectoryExpected):
self.fs.copy("foo", "foo_copy/foo")
def test_create(self):
"""Test create=True"""
dir_path = tempfile.mkdtemp()
try:
create_dir = os.path.join(dir_path, "test_create")
with osfs.OSFS(create_dir, create=True):
self.assertTrue(os.path.isdir(create_dir))
self.assertTrue(os.path.isdir(create_dir))
finally:
shutil.rmtree(dir_path)
# Test exception when unable to create dir
with tempfile.NamedTemporaryFile() as tmp_file:
with self.assertRaises(errors.CreateFailed):
# Trying to create a dir that exists as a file
osfs.OSFS(tmp_file.name, create=True)
def test_unicode_paths(self):
dir_path = tempfile.mkdtemp()
try:
fs_dir = os.path.join(dir_path, "te\u0161t_\u00fanicod\u0113")
os.mkdir(fs_dir)
with osfs.OSFS(fs_dir):
self.assertTrue(os.path.isdir(fs_dir))
finally:
shutil.rmtree(dir_path)
@unittest.skipUnless(hasattr(os, "symlink"), "No symlink support")
def test_symlinks(self):
with open(self._get_real_path("foo"), "wb") as f:
f.write(b"foobar")
os.symlink(self._get_real_path("foo"), self._get_real_path("bar"))
self.assertFalse(self.fs.islink("foo"))
self.assertFalse(self.fs.getinfo("foo", namespaces=["link"]).is_link)
self.assertTrue(self.fs.islink("bar"))
self.assertTrue(self.fs.getinfo("bar", namespaces=["link"]).is_link)
foo_info = self.fs.getinfo("foo", namespaces=["link", "lstat"])
self.assertIn("link", foo_info.raw)
self.assertIn("lstat", foo_info.raw)
self.assertEqual(foo_info.get("link", "target"), None)
self.assertEqual(foo_info.target, foo_info.raw["link"]["target"])
bar_info = self.fs.getinfo("bar", namespaces=["link", "lstat"])
self.assertIn("link", bar_info.raw)
self.assertIn("lstat", bar_info.raw)
def test_validatepath(self):
"""Check validatepath detects bad encodings."""
with mock.patch("fs.osfs.fsencode") as fsencode:
fsencode.side_effect = lambda error: "–".encode("ascii")
with self.assertRaises(errors.InvalidCharsInPath):
with self.fs.open("13 – Marked Register.pdf", "wb") as fh:
fh.write(b"foo")
def test_consume_geturl(self):
self.fs.create("foo")
try:
url = self.fs.geturl("foo", purpose="fs")
except errors.NoURL:
self.assertFalse(self.fs.hasurl("foo"))
else:
self.assertTrue(self.fs.hasurl("foo"))
# Should not throw an error
base_dir = dirname(url)
open_fs(base_dir)
def test_complex_geturl(self):
self.fs.makedirs("foo/bar ha")
test_fixtures = [
# test file, expected url path
["foo", "foo"],
["foo-bar", "foo-bar"],
["foo_bar", "foo_bar"],
["foo/bar ha/barz", "foo/bar%20ha/barz"],
["example b.txt", "example%20b.txt"],
["exampleㄓ.txt", "example%E3%84%93.txt"],
]
file_uri_prefix = "osfs://"
for test_file, relative_url_path in test_fixtures:
self.fs.create(test_file)
expected = file_uri_prefix + self.fs.getsyspath(relative_url_path).replace(
"\\", "/"
)
actual = self.fs.geturl(test_file, purpose="fs")
self.assertEqual(actual, expected)
def test_geturl_return_no_url(self):
self.assertRaises(errors.NoURL, self.fs.geturl, "test/path", "upload")
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