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"""
fs.tests.test_xattr: testcases for extended attribute support
"""
import unittest
import os
from fs.path import *
from fs.errors import *
from fs.tests import FSTestCases
from six import b
class XAttrTestCases:
"""Testcases for filesystems providing extended attribute support.
This class should be used as a mixin to the unittest.TestCase class
for filesystems that provide extended attribute support.
"""
def test_getsetdel(self):
def do_getsetdel(p):
self.assertEqual(self.fs.getxattr(p,"xattr1"),None)
self.fs.setxattr(p,"xattr1","value1")
self.assertEqual(self.fs.getxattr(p,"xattr1"),"value1")
self.fs.delxattr(p,"xattr1")
self.assertEqual(self.fs.getxattr(p,"xattr1"),None)
self.fs.setcontents("test.txt",b("hello"))
do_getsetdel("test.txt")
self.assertRaises(ResourceNotFoundError,self.fs.getxattr,"test2.txt","xattr1")
self.fs.makedir("mystuff")
self.fs.setcontents("/mystuff/test.txt",b(""))
do_getsetdel("mystuff")
do_getsetdel("mystuff/test.txt")
def test_list_xattrs(self):
def do_list(p):
self.assertEquals(sorted(self.fs.listxattrs(p)),[])
self.fs.setxattr(p,"xattr1","value1")
self.assertEquals(self.fs.getxattr(p,"xattr1"),"value1")
self.assertEquals(sorted(self.fs.listxattrs(p)),["xattr1"])
self.assertTrue(isinstance(self.fs.listxattrs(p)[0],unicode))
self.fs.setxattr(p,"attr2","value2")
self.assertEquals(sorted(self.fs.listxattrs(p)),["attr2","xattr1"])
self.assertTrue(isinstance(self.fs.listxattrs(p)[0],unicode))
self.assertTrue(isinstance(self.fs.listxattrs(p)[1],unicode))
self.fs.delxattr(p,"xattr1")
self.assertEquals(sorted(self.fs.listxattrs(p)),["attr2"])
self.fs.delxattr(p,"attr2")
self.assertEquals(sorted(self.fs.listxattrs(p)),[])
self.fs.setcontents("test.txt",b("hello"))
do_list("test.txt")
self.fs.makedir("mystuff")
self.fs.setcontents("/mystuff/test.txt",b(""))
do_list("mystuff")
do_list("mystuff/test.txt")
def test_copy_xattrs(self):
self.fs.setcontents("a.txt",b("content"))
self.fs.setxattr("a.txt","myattr","myvalue")
self.fs.setxattr("a.txt","testattr","testvalue")
self.fs.makedir("stuff")
self.fs.copy("a.txt","stuff/a.txt")
self.assertTrue(self.fs.exists("stuff/a.txt"))
self.assertEquals(self.fs.getxattr("stuff/a.txt","myattr"),"myvalue")
self.assertEquals(self.fs.getxattr("stuff/a.txt","testattr"),"testvalue")
self.assertEquals(self.fs.getxattr("a.txt","myattr"),"myvalue")
self.assertEquals(self.fs.getxattr("a.txt","testattr"),"testvalue")
self.fs.setxattr("stuff","dirattr","a directory")
self.fs.copydir("stuff","stuff2")
self.assertEquals(self.fs.getxattr("stuff2/a.txt","myattr"),"myvalue")
self.assertEquals(self.fs.getxattr("stuff2/a.txt","testattr"),"testvalue")
self.assertEquals(self.fs.getxattr("stuff2","dirattr"),"a directory")
self.assertEquals(self.fs.getxattr("stuff","dirattr"),"a directory")
def test_move_xattrs(self):
self.fs.setcontents("a.txt",b("content"))
self.fs.setxattr("a.txt","myattr","myvalue")
self.fs.setxattr("a.txt","testattr","testvalue")
self.fs.makedir("stuff")
self.fs.move("a.txt","stuff/a.txt")
self.assertTrue(self.fs.exists("stuff/a.txt"))
self.assertEquals(self.fs.getxattr("stuff/a.txt","myattr"),"myvalue")
self.assertEquals(self.fs.getxattr("stuff/a.txt","testattr"),"testvalue")
self.fs.setxattr("stuff","dirattr","a directory")
self.fs.movedir("stuff","stuff2")
self.assertEquals(self.fs.getxattr("stuff2/a.txt","myattr"),"myvalue")
self.assertEquals(self.fs.getxattr("stuff2/a.txt","testattr"),"testvalue")
self.assertEquals(self.fs.getxattr("stuff2","dirattr"),"a directory")
def test_remove_file(self):
def listxattrs(path):
return list(self.fs.listxattrs(path))
# Check that xattrs aren't preserved after a file is removed
self.fs.createfile("myfile")
self.assertEquals(listxattrs("myfile"),[])
self.fs.setxattr("myfile","testattr","testvalue")
self.assertEquals(listxattrs("myfile"),["testattr"])
self.fs.remove("myfile")
self.assertRaises(ResourceNotFoundError,listxattrs,"myfile")
self.fs.createfile("myfile")
self.assertEquals(listxattrs("myfile"),[])
self.fs.setxattr("myfile","testattr2","testvalue2")
self.assertEquals(listxattrs("myfile"),["testattr2"])
self.assertEquals(self.fs.getxattr("myfile","testattr2"),"testvalue2")
# Check that removing a file without xattrs still works
self.fs.createfile("myfile2")
self.fs.remove("myfile2")
def test_remove_dir(self):
def listxattrs(path):
return list(self.fs.listxattrs(path))
# Check that xattrs aren't preserved after a dir is removed
self.fs.makedir("mydir")
self.assertEquals(listxattrs("mydir"),[])
self.fs.setxattr("mydir","testattr","testvalue")
self.assertEquals(listxattrs("mydir"),["testattr"])
self.fs.removedir("mydir")
self.assertRaises(ResourceNotFoundError,listxattrs,"mydir")
self.fs.makedir("mydir")
self.assertEquals(listxattrs("mydir"),[])
self.fs.setxattr("mydir","testattr2","testvalue2")
self.assertEquals(listxattrs("mydir"),["testattr2"])
self.assertEquals(self.fs.getxattr("mydir","testattr2"),"testvalue2")
# Check that removing a dir without xattrs still works
self.fs.makedir("mydir2")
self.fs.removedir("mydir2")
# Check that forcibly removing a dir with xattrs still works
self.fs.makedir("mydir3")
self.fs.createfile("mydir3/testfile")
self.fs.removedir("mydir3",force=True)
self.assertFalse(self.fs.exists("mydir3"))
from fs.xattrs import ensure_xattrs
from fs import tempfs
class TestXAttr_TempFS(unittest.TestCase,FSTestCases,XAttrTestCases):
def setUp(self):
fs = tempfs.TempFS()
self.fs = ensure_xattrs(fs)
def tearDown(self):
try:
td = self.fs._temp_dir
except AttributeError:
td = self.fs.wrapped_fs._temp_dir
self.fs.close()
self.assert_(not os.path.exists(td))
def check(self, p):
try:
td = self.fs._temp_dir
except AttributeError:
td = self.fs.wrapped_fs._temp_dir
return os.path.exists(os.path.join(td, relpath(p)))
from fs import memoryfs
class TestXAttr_MemoryFS(unittest.TestCase,FSTestCases,XAttrTestCases):
def setUp(self):
self.fs = ensure_xattrs(memoryfs.MemoryFS())
def check(self, p):
return self.fs.exists(p)
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