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#!/usr/bin/env python

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

import unittest

from creational.prototype import Prototype, PrototypeDispatcher

class TestPrototypeFeatures(unittest.TestCase):

def setUp(self):

self.prototype = Prototype()

def test_cloning_propperty_innate_values(self):

sample_object_1 = self.prototype.clone()

sample_object_2 = self.prototype.clone()

self.assertEqual(sample_object_1.value, sample_object_2.value)

def test_extended_property_values_cloning(self):

sample_object_1 = self.prototype.clone()

sample_object_1.some_value = 'test string'

sample_object_2 = self.prototype.clone()

self.assertRaises(AttributeError, lambda: sample_object_2.some_value)

def test_cloning_propperty_assigned_values(self):

sample_object_1 = self.prototype.clone()

sample_object_2 = self.prototype.clone(value='re-assigned')

self.assertNotEqual(sample_object_1.value, sample_object_2.value)

class TestDispatcherFeatures(unittest.TestCase):

def setUp(self):

self.dispatcher = PrototypeDispatcher()

self.prototype = Prototype()

c = self.prototype.clone()

a = self.prototype.clone(value='a-value', ext_value='E')

b = self.prototype.clone(value='b-value', diff=True)

self.dispatcher.register_object('A', a)

self.dispatcher.register_object('B', b)

self.dispatcher.register_object('C', c)

def test_batch_retrieving(self):

self.assertEqual(len(self.dispatcher.get_objects()), 3)

def test_particular_properties_retrieving(self):

self.assertEqual(self.dispatcher.get_objects()['A'].value, 'a-value')

self.assertEqual(self.dispatcher.get_objects()['B'].value, 'b-value')

self.assertEqual(self.dispatcher.get_objects()['C'].value, 'default')

def test_extended_properties_retrieving(self):

self.assertEqual(self.dispatcher.get_objects()['A'].ext_value, 'E')

self.assertTrue(self.dispatcher.get_objects()['B'].diff)