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from __future__ import unicode_literals
import operator
import unittest
try:
from unittest import mock
except ImportError:
import mock
import six
import fs.copy
import fs.errors
import fs.mirror
import fs.move
import fs.wrap
from fs import open_fs
from fs.info import Info
class TestWrapReadOnly(unittest.TestCase):
def setUp(self):
self.fs = open_fs("mem://")
self.ro = fs.wrap.read_only(self.fs)
def tearDown(self):
self.fs.close()
def assertReadOnly(self, func, *args, **kwargs):
self.assertRaises(fs.errors.ResourceReadOnly, func, *args, **kwargs)
def test_open_w(self):
self.assertReadOnly(self.ro.open, "foo", "w")
def test_appendtext(self):
self.assertReadOnly(self.ro.appendtext, "foo", "bar")
def test_appendbytes(self):
self.assertReadOnly(self.ro.appendbytes, "foo", b"bar")
def test_makedir(self):
self.assertReadOnly(self.ro.makedir, "foo")
def test_move(self):
self.assertReadOnly(self.ro.move, "foo", "bar")
def test_openbin_w(self):
self.assertReadOnly(self.ro.openbin, "foo", "w")
def test_remove(self):
self.assertReadOnly(self.ro.remove, "foo")
def test_removedir(self):
self.assertReadOnly(self.ro.removedir, "foo")
def test_removetree(self):
self.assertReadOnly(self.ro.removetree, "foo")
def test_setinfo(self):
self.assertReadOnly(self.ro.setinfo, "foo", {})
def test_settimes(self):
self.assertReadOnly(self.ro.settimes, "foo", {})
def test_copy(self):
self.assertReadOnly(self.ro.copy, "foo", "bar")
def test_create(self):
self.assertReadOnly(self.ro.create, "foo")
def test_writetext(self):
self.assertReadOnly(self.ro.writetext, "foo", "bar")
def test_writebytes(self):
self.assertReadOnly(self.ro.writebytes, "foo", b"bar")
def test_makedirs(self):
self.assertReadOnly(self.ro.makedirs, "foo/bar")
def test_touch(self):
self.assertReadOnly(self.ro.touch, "foo")
def test_upload(self):
self.assertReadOnly(self.ro.upload, "foo", six.BytesIO())
def test_writefile(self):
self.assertReadOnly(self.ro.writefile, "foo", six.StringIO())
def test_openbin_r(self):
self.fs.writebytes("file", b"read me")
with self.ro.openbin("file") as read_file:
self.assertEqual(read_file.read(), b"read me")
def test_open_r(self):
self.fs.writebytes("file", b"read me")
with self.ro.open("file", "rb") as read_file:
self.assertEqual(read_file.read(), b"read me")
class TestWrapReadOnlySyspath(unittest.TestCase):
# If the wrapped fs has a syspath, there is a chance that somewhere
# in fs.copy or fs.mirror we try to use it to our advantage, but
# we want to make sure these implementations don't circumvent the
# wrapper.
def setUp(self):
self.fs = open_fs("temp://")
self.ro = fs.wrap.read_only(self.fs)
self.src = open_fs("temp://")
self.src.touch("foo")
self.src.makedir("bar")
def tearDown(self):
self.fs.close()
self.src.close()
def assertReadOnly(self, func, *args, **kwargs):
self.assertRaises(fs.errors.ResourceReadOnly, func, *args, **kwargs)
def test_copy_fs(self):
self.assertReadOnly(fs.copy.copy_fs, self.src, self.ro)
def test_copy_fs_if_newer(self):
self.assertReadOnly(fs.copy.copy_fs_if_newer, self.src, self.ro)
def test_copy_file(self):
self.assertReadOnly(fs.copy.copy_file, self.src, "foo", self.ro, "foo")
def test_copy_file_if_newer(self):
self.assertReadOnly(fs.copy.copy_file_if_newer, self.src, "foo", self.ro, "foo")
def test_copy_structure(self):
self.assertReadOnly(fs.copy.copy_structure, self.src, self.ro)
def test_mirror(self):
self.assertReadOnly(fs.mirror.mirror, self.src, self.ro)
fs.mirror.mirror(self.src, self.fs)
self.fs.touch("baz")
self.assertReadOnly(fs.mirror.mirror, self.src, self.ro)
def test_move_fs(self):
self.assertReadOnly(fs.move.move_fs, self.src, self.ro)
self.src.removetree("/")
self.fs.touch("foo")
self.assertReadOnly(fs.move.move_fs, self.ro, self.src)
def test_move_file(self):
self.assertReadOnly(fs.move.move_file, self.src, "foo", self.ro, "foo")
self.fs.touch("baz")
self.assertReadOnly(fs.move.move_file, self.ro, "baz", self.src, "foo")
def test_move_dir(self):
self.assertReadOnly(fs.move.move_file, self.src, "bar", self.ro, "bar")
self.fs.makedir("baz")
self.assertReadOnly(fs.move.move_dir, self.ro, "baz", self.src, "baz")
class TestWrapCachedDir(unittest.TestCase):
def setUp(self):
self.fs = open_fs("mem://")
self.fs.makedirs("foo/bar/baz")
self.fs.touch("egg")
self.cached = fs.wrap.cache_directory(self.fs)
def tearDown(self):
self.fs.close()
def assertNotFound(self, func, *args, **kwargs):
self.assertRaises(fs.errors.ResourceNotFound, func, *args, **kwargs)
def test_scandir(self):
key = operator.attrgetter("name")
expected = [
Info({"basic": {"name": "egg", "is_dir": False}}),
Info({"basic": {"name": "foo", "is_dir": True}}),
]
with mock.patch.object(self.fs, "scandir", wraps=self.fs.scandir) as scandir:
self.assertEqual(sorted(self.cached.scandir("/"), key=key), expected)
scandir.assert_has_calls([mock.call("/", namespaces=None, page=None)])
with mock.patch.object(self.fs, "scandir", wraps=self.fs.scandir) as scandir:
self.assertEqual(sorted(self.cached.scandir("/"), key=key), expected)
scandir.assert_not_called()
def test_isdir(self):
with mock.patch.object(self.fs, "scandir", wraps=self.fs.scandir) as scandir:
self.assertTrue(self.cached.isdir("foo"))
self.assertFalse(self.cached.isdir("egg")) # is file
self.assertFalse(self.cached.isdir("spam")) # doesn't exist
scandir.assert_has_calls([mock.call("/", namespaces=None, page=None)])
with mock.patch.object(self.fs, "scandir", wraps=self.fs.scandir) as scandir:
self.assertTrue(self.cached.isdir("foo"))
self.assertFalse(self.cached.isdir("egg"))
self.assertFalse(self.cached.isdir("spam"))
scandir.assert_not_called()
def test_isfile(self):
with mock.patch.object(self.fs, "scandir", wraps=self.fs.scandir) as scandir:
self.assertTrue(self.cached.isfile("egg"))
self.assertFalse(self.cached.isfile("foo")) # is dir
self.assertFalse(self.cached.isfile("spam")) # doesn't exist
scandir.assert_has_calls([mock.call("/", namespaces=None, page=None)])
with mock.patch.object(self.fs, "scandir", wraps=self.fs.scandir) as scandir:
self.assertTrue(self.cached.isfile("egg"))
self.assertFalse(self.cached.isfile("foo"))
self.assertFalse(self.cached.isfile("spam"))
scandir.assert_not_called()
def test_getinfo(self):
with mock.patch.object(self.fs, "scandir", wraps=self.fs.scandir) as scandir:
self.assertEqual(self.cached.getinfo("foo"), self.fs.getinfo("foo"))
self.assertEqual(self.cached.getinfo("/"), self.fs.getinfo("/"))
self.assertNotFound(self.cached.getinfo, "spam")
scandir.assert_has_calls([mock.call("/", namespaces=None, page=None)])
with mock.patch.object(self.fs, "scandir", wraps=self.fs.scandir) as scandir:
self.assertEqual(self.cached.getinfo("foo"), self.fs.getinfo("foo"))
self.assertEqual(self.cached.getinfo("/"), self.fs.getinfo("/"))
self.assertNotFound(self.cached.getinfo, "spam")
scandir.assert_not_called()
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