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from __future__ import unicode_literals
import unittest
from fs import errors
from fs import open_fs
from fs import wrap
class TestWrap(unittest.TestCase):
def test_readonly(self):
mem_fs = open_fs("mem://")
fs = wrap.read_only(mem_fs)
with self.assertRaises(errors.ResourceReadOnly):
fs.open("foo", "w")
with self.assertRaises(errors.ResourceReadOnly):
fs.appendtext("foo", "bar")
with self.assertRaises(errors.ResourceReadOnly):
fs.appendbytes("foo", b"bar")
with self.assertRaises(errors.ResourceReadOnly):
fs.makedir("foo")
with self.assertRaises(errors.ResourceReadOnly):
fs.move("foo", "bar")
with self.assertRaises(errors.ResourceReadOnly):
fs.openbin("foo", "w")
with self.assertRaises(errors.ResourceReadOnly):
fs.remove("foo")
with self.assertRaises(errors.ResourceReadOnly):
fs.removedir("foo")
with self.assertRaises(errors.ResourceReadOnly):
fs.setinfo("foo", {})
with self.assertRaises(errors.ResourceReadOnly):
fs.settimes("foo", {})
with self.assertRaises(errors.ResourceReadOnly):
fs.copy("foo", "bar")
with self.assertRaises(errors.ResourceReadOnly):
fs.create("foo")
with self.assertRaises(errors.ResourceReadOnly):
fs.writetext("foo", "bar")
with self.assertRaises(errors.ResourceReadOnly):
fs.writebytes("foo", b"bar")
with self.assertRaises(errors.ResourceReadOnly):
fs.makedirs("foo/bar")
with self.assertRaises(errors.ResourceReadOnly):
fs.touch("foo")
with self.assertRaises(errors.ResourceReadOnly):
fs.upload("foo", None)
with self.assertRaises(errors.ResourceReadOnly):
fs.writefile("foo", None)
self.assertTrue(mem_fs.isempty("/"))
mem_fs.writebytes("file", b"read me")
with fs.openbin("file") as read_file:
self.assertEqual(read_file.read(), b"read me")
with fs.open("file", "rb") as read_file:
self.assertEqual(read_file.read(), b"read me")
def test_cachedir(self):
mem_fs = open_fs("mem://")
mem_fs.makedirs("foo/bar/baz")
mem_fs.touch("egg")
fs = wrap.cache_directory(mem_fs)
self.assertEqual(sorted(fs.listdir("/")), ["egg", "foo"])
self.assertEqual(sorted(fs.listdir("/")), ["egg", "foo"])
self.assertTrue(fs.isdir("foo"))
self.assertTrue(fs.isdir("foo"))
self.assertTrue(fs.isfile("egg"))
self.assertTrue(fs.isfile("egg"))
self.assertEqual(fs.getinfo("foo"), mem_fs.getinfo("foo"))
self.assertEqual(fs.getinfo("foo"), mem_fs.getinfo("foo"))
self.assertEqual(fs.getinfo("/"), mem_fs.getinfo("/"))
self.assertEqual(fs.getinfo("/"), mem_fs.getinfo("/"))
with self.assertRaises(errors.ResourceNotFound):
fs.getinfo("/foofoo")
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