def test_write(self):
     permission = Permission(True, True, False, False, False)
     self.assertFalse(permission.get_write())
     permission.set_write(True)
     self.assertTrue(permission.get_write())
     permission.set_write(None)
     self.assertEqual(None, permission.get_write())
     permission = Permission(write = True)
     self.assertTrue(permission.get_write())

 def test_read(self):
     permission = Permission(True)
     self.assertTrue(permission.get_read())
     permission.set_read(False)
     self.assertFalse(permission.get_read())
     permission.set_read(None)
     self.assertEqual(None, permission.get_read())
     permission = Permission(read = True)
     self.assertTrue(permission.get_read())

 def test_execute(self):
     permission = Permission(True, True)
     self.assertTrue(permission.get_execute())
     permission.set_execute(False)
     self.assertFalse(permission.get_execute())
     permission.set_execute(None)
     self.assertEqual(None, permission.get_execute())
     permission = Permission(execute = True)
     self.assertTrue(permission.get_execute())

    def permission_test(self):
        text = '''
<PERMISSION custom="unknown">
  <UNKNOWN>
    <CUSTOM />
  </UNKNOWN>
</CONDITION>'''
        permission = Permission.from_string(text)
        tree = permission.to_lxml_element()
        self.assertEqual('unknown', tree.get('custom'))
        unknown = tree.findall('UNKNOWN')
        self.assertEqual(1, len(unknown))
        unknown = unknown[0]
        custom = list(unknown)
        self.assertEqual(1, len(custom))
        custom = custom[0]
        self.assertEqual('CUSTOM', custom.tag)

 def test_to_string_read(self):
     permission = Permission(read = True)
     copy = Permission.from_string(str(permission))
     self.assertEqual(permission, copy)

    def test_from_lxml_full(self):
        text = '''
<PERMISSION READ="NO" EXECUTE="YES" BROWSE="NO" DELETE="YES" WRITE="NO" />'''
        permission = Permission.from_lxml_element(etree.XML(text))
        right = Permission(False, True, False, True, False)
        self.assertEqual(permission, right)

 def test_from_lxml_write(self):
     text = '<PERMISSION WRITE="NO" />'
     permission = Permission.from_lxml_element(etree.XML(text))
     right = Permission(write = False)
     self.assertEqual(permission, right)

 def test_from_lxml_browse(self):
     text = '<PERMISSION BROWSE="NO" />'
     permission = Permission.from_lxml_element(etree.XML(text))
     right = Permission(browse = False)
     self.assertEqual(permission, right)

 def test_from_lxml_read(self):
     text = '<PERMISSION READ="NO" />'
     permission = Permission.from_lxml_element(etree.XML(text))
     right = Permission(read = False)
     self.assertEqual(permission, right)

 def test_to_lxml_write(self):
     permission = Permission(write = True)
     copy = Permission.from_lxml_element(permission.to_lxml_element())
     self.assertEqual(permission, copy)

 def test_from_string_write(self):
     text = '<PERMISSION WRITE="NO" />'
     permission = Permission.from_string(text)
     right = Permission(write = False)
     self.assertEqual(permission, right)

 def test_from_string_browse(self):
     text = '<PERMISSION BROWSE="NO" />'
     permission = Permission.from_string(text)
     right = Permission(browse = False)
     self.assertEqual(permission, right)

 def test_from_string_execute(self):
     text = '<PERMISSION EXECUTE="NO" />'
     permission = Permission.from_string(text)
     right = Permission(execute = False)
     self.assertEqual(permission, right)

 def test_from_string_read(self):
     text = '<PERMISSION READ="NO" />'
     permission = Permission.from_string(text)
     right = Permission(read = False)
     self.assertEqual(permission, right)

 def test_from_string(self):
     text = '<PERMISSION />'
     permission = Permission.from_string(text)
     right = Permission()
     self.assertEqual(permission, right)

 def test_to_string_write(self):
     permission = Permission(write = True)
     copy = Permission.from_string(str(permission))
     self.assertEqual(permission, copy)

 def test_to_string_full(self):
     permission = Permission(True, False, True, False, True)
     copy = Permission.from_string(str(permission))
     self.assertEqual(permission, copy)

    def test_from_string_full(self):
        text = '''
<PERMISSION READ="NO" EXECUTE="YES" BROWSE="NO" DELETE="YES" WRITE="NO" />'''
        permission = Permission.from_string(text)
        right = Permission(False, True, False, True, False)
        self.assertEqual(permission, right)

 def test_to_lxml_full(self):
     permission = Permission(True, False, True, False, True)
     copy = Permission.from_lxml_element(permission.to_lxml_element())
     self.assertEqual(permission, copy)

 def test_from_lxml(self):
     text = '<PERMISSION />'
     permission = Permission.from_lxml_element(etree.XML(text))
     right = Permission()
     self.assertEqual(permission, right)