#!/usr/bin/env python

# -*- coding: utf-8 -*-

# === python_patterns.utils.base_encode_test ------------------------------===

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# ===----------------------------------------------------------------------===

# Python standard library, unit-testing

import unittest2

# Python patterns, scenario unit-testing

from python_patterns.unittest.scenario import ScenarioMeta, ScenarioTest

# Python patterns, base encoding

from python_patterns.utils.base_encode import base_encode, base_decode

SCENARIOS = [

dict(num=0, string='a'),

dict(num=1, string='b'),

dict(num=2, string='c'),

dict(num=53, string='8'),

dict(num=54, string='9'),

dict(num=55, string='ba'),

dict(num=56, string='bb'),

dict(num=96**34, string='vvWPtAEc2P6nm6vrE9VAdeYabJH3KGPkSbW55PD'),

dict(base="123", num=0, string='1'),

dict(base="123", num=1, string='2'),

dict(base="123", num=2, string='3'),

dict(base="123", num=3, string='21'),

dict(base="123", num=4, string='22'),

dict(base=u"éü", num=0, string=u'é'),

dict(base=u"éü", num=1, string=u'ü'),

dict(base=u"éü", num=2, string=u'üé'),

dict(num=100, string='bY', little_endian=False),

dict(num=100, string='Yb', little_endian=True),

]

class TestBaseEncode(unittest2.TestCase):

"""Test encoding and decoding using a variety of standard scenarios."""

__metaclass__ = ScenarioMeta

class test_encode(ScenarioTest):

scenarios = SCENARIOS

def __test__(self, num, string, base=None, little_endian=False):

self.assertEqual(base_encode(num, base=base, little_endian=little_endian), string)

class test_decode(ScenarioTest):

scenarios = SCENARIOS

def __test__(self, num, string, base=None, little_endian=False):

self.assertEqual(num, base_decode(string, base=base, little_endian=little_endian))

class TestNegativeNumberEncode(unittest2.TestCase):

"""Test that encoding a negative number results in a value error."""

def test_negative_number(self):

self.assertRaises(ValueError, base_encode, (-1))

# ===----------------------------------------------------------------------===

# End of File

# ===----------------------------------------------------------------------===