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 # encoding: utf-8  
# Authors:  
#   Pavel Zuna <pzuna@redhat.com>  
#  
# Copyright (C) 2009  Red Hat  
# see file 'COPYING' for use and warranty information  
#  
# This program is free software; you can redistribute it and/or modify  
# it under the terms of the GNU General Public License as published by  
# the Free Software Foundation, either version 3 of the License, or  
# (at your option) any later version.  
#  
# This program is distributed in the hope that it will be useful,  
# but WITHOUT ANY WARRANTY; without even the implied warranty of  
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the  
# GNU General Public License for more details.  
#  
# You should have received a copy of the GNU General Public License  
# along with this program.  If not, see <http://www.gnu.org/licenses/>.  
"""  
Test the `ipalib.encoder` module.  
"""  
  
import string  
  
from tests.util import ClassChecker, assert_equal  
from ipalib.encoder import Encoder, EncoderSettings, encode_args, decode_retval  
  
_encoder_settings = EncoderSettings()  
  
_test_str_d = u'ěščřžýáíé'  
_test_str_e = u'ěščřžýáíé'.encode(_encoder_settings.encode_to)  
  
  
class test_Encoder(ClassChecker):  
    """  
    Test the `ipalib.encoder.Encoder` class.  
    """  
    _cls = Encoder  
  
    def test_encode(self):  
        """  
        Test the `ipalib.encoder.Encoder.encode` method.  
        """  
        o = self.cls()  
        encode_to = o.encoder_settings.encode_to  
        o.encoder_settings.encode_postprocessor = lambda x: x  
        # strings  
        assert_equal(o.encode('ahoj'), 'ahoj'.encode(encode_to))  
        assert_equal(o.encode(_test_str_d), _test_str_e)  
        # bool, float, int, long  
        assert_equal(o.encode(True), 'TRUE'.encode(encode_to))  
        assert_equal(o.encode(1.01), str(1.01).encode(encode_to))  
        assert_equal(o.encode(1000), str(1000).encode(encode_to))  
        assert_equal(o.encode(long(1)), str(long(1)).encode(encode_to))  
        # lists  
        expected = [_test_str_e, '1']  
        assert_equal(o.encode([_test_str_d, 1]), expected)  
        expected = ['1', ['1', '2', '3']]  
        assert_equal(o.encode([1, [1, 2, 3]]), expected)  
        # tuples  
        expected = (_test_str_e, '1')  
        assert_equal(o.encode((_test_str_d, 1)), expected)  
        expected = ('1', ('1', '2', '3'))  
        assert_equal(o.encode((1, (1, 2, 3))), expected)  
        # dicts: only values, no postprocessing  
        o.encoder_settings.encode_dict_keys = False  
        o.encoder_settings.encode_dict_keys_postprocess = False  
        o.encoder_settings.encode_dict_vals = True  
        o.encoder_settings.encode_dict_vals_postprocess = False  
        expected = {_test_str_d: _test_str_e}  
        assert_equal(o.encode({_test_str_d: _test_str_d}), expected)  
        # dicts: only keys, no postprocessing  
        o.encoder_settings.encode_dict_keys = True  
        o.encoder_settings.encode_dict_vals = False  
        expected = {_test_str_e: _test_str_d}  
        assert_equal(o.encode({_test_str_d: _test_str_d}), expected)  
        # dicts: both keys and values, no postprocessing  
        o.encoder_settings.encode_dict_vals = True  
        expected = {_test_str_e: _test_str_e}  
        assert_equal(o.encode({_test_str_d: _test_str_d}), expected)  
        # dicts: both keys and values, postprocessing on keys only  
        o.encoder_settings.encode_dict_keys = True  
        o.encoder_settings.encode_dict_keys_postprocess = True  
        o.encoder_settings.encode_postprocessor = string.upper  
        expected = {_test_str_e.upper(): _test_str_e}  
        assert_equal(o.encode({u'ěščřžýáíé': u'ěščřžýáíé'}), expected)  
        # None  
        o.encoder_settings.encode_postprocessor = lambda x: x  
        o.encoder_settings.encode_none = False  
        assert_equal(o.encode(None), None)  
        o.encoder_settings.encode_none = True  
        assert_equal(o.encode(None), str(None).encode(encode_to))  
  
    def test_decode(self):  
        """  
        Test the `ipalib.encoder.Encoder.decode` method.  
        """  
        o = self.cls()  
        decode_from = o.encoder_settings.decode_from  
        o.encoder_settings.decode_postprocessor = lambda x: x  
        # strings  
        assert_equal(o.decode('ahoj'), 'ahoj'.decode(decode_from))  
        assert_equal(o.decode(_test_str_e), _test_str_d)  
        # bool, float, int, long  
        assert_equal(o.decode('True'), str(True).decode(decode_from))  
        assert_equal(o.decode('1.01'), str(1.01).decode(decode_from))  
        assert_equal(o.decode('1000'), str(1000).decode(decode_from))  
        assert_equal(o.decode('1'), str(long(1)).decode(decode_from))  
        # lists  
        expected = [_test_str_d, '1']  
        assert_equal(o.decode([_test_str_e, '1']), expected)  
        expected = [u'1', [u'1', u'2', u'3']]  
        assert_equal(o.decode(['1', ['1', '2', '3']]), expected)  
        # tuples  
        expected = (_test_str_d, 1)  
        assert_equal(o.decode((_test_str_e, 1)), expected)  
        expected = (u'1', (u'1', u'2', u'3'))  
        assert_equal(o.decode(('1', ('1', '2', '3'))), expected)  
        # dicts: only values, no postprocessing  
        o.encoder_settings.decode_dict_keys = False  
        o.encoder_settings.decode_dict_keys_postprocess = False  
        o.encoder_settings.decode_dict_vals = True  
        o.encoder_settings.decode_dict_vals_postprocess = False  
        expected = {_test_str_e: _test_str_d}  
        assert_equal(o.decode({_test_str_e: _test_str_e}), expected)  
        # dicts: only keys, no postprocessing  
        o.encoder_settings.decode_dict_keys = True  
        o.encoder_settings.decode_dict_vals = False  
        expected = {_test_str_d: _test_str_e}  
        assert_equal(o.decode({_test_str_e: _test_str_e}), expected)  
        # dicts: both keys and values, no postprocessing  
        o.encoder_settings.decode_dict_vals = True  
        expected = {_test_str_d: _test_str_d}  
        assert_equal(o.decode({_test_str_e: _test_str_e}), expected)  
        # dicts: both keys and values, postprocessing on keys only  
        o.encoder_settings.decode_dict_keys = True  
        o.encoder_settings.decode_dict_keys_postprocess = True  
        o.encoder_settings.decode_postprocessor = string.upper  
        expected = {_test_str_d.upper(): _test_str_d}  
        assert_equal(o.decode({_test_str_e: _test_str_e}), expected)  
        # TODO: dict decoding using a table  
        # None  
        o.encoder_settings.decode_postprocessor = lambda x: x  
        o.encoder_settings.decode_none = False  
        assert_equal(o.decode(None), None)  
        o.encoder_settings.decode_none = True  
        assert_equal(o.decode(None), str(None).decode(decode_from))  
  
                
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