##############################################################################
#
# Copyright (c) 2005 Zope Foundation and Contributors.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
"""Example ZopeTestCase testing the ShoppingCart example application

Note the use of sessions and how the SESSION object is added to
the REQUEST in afterSetUp().

$Id: testShoppingCart.py 110402 2010-04-01 16:04:02Z tseaver $
"""

import os

from Testing import ZopeTestCase

from Testing.ZopeTestCase import layer
from Testing.ZopeTestCase import utils
from Testing.ZopeTestCase import transaction

here = os.path.dirname(ZopeTestCase.__file__)
examples_path = os.path.join(here, 'testimport', 'Examples.zexp')


class ShoppingCartLayer(layer.ZopeLite):

    @classmethod
    def setUp(cls):
        # Set up sessioning objects
        utils.appcall(utils.setupCoreSessions)

        # Set up example applications
        utils.appcall(utils.importObjectFromFile, examples_path, quiet=1)

    @classmethod
    def tearDown(cls):
        def cleanup(app):
            app._delObject('Examples')
            transaction.commit()
        utils.appcall(cleanup)


class DummyOrder:
    '''Construct an order we can add to the cart'''
    __allow_access_to_unprotected_subobjects__ = 1

    def __init__(self, id, quantity):
        self.id = id
        self.quantity = quantity


class TestShoppingCart(ZopeTestCase.ZopeTestCase):
    '''Test the ShoppingCart example application'''

    _setup_fixture = 0  # No default fixture

    layer = ShoppingCartLayer

    def afterSetUp(self):
        self.cart = self.app.Examples.ShoppingCart
        # Put SESSION object into REQUEST
        request = self.app.REQUEST
        sdm = self.app.session_data_manager
        request.set('SESSION', sdm.getSessionData())
        self.session = request.SESSION

    def testSession(self):
        # Session should work
        self.session.set('boring', 'boring')
        self.assertEqual(self.session.get('boring'), 'boring')

    def testCartIsEmpty(self):
        # Cart should be empty
        self.assertEqual(len(self.cart.currentItems()), 0)

    def testAddItems(self):
        # Adding to the cart should work
        self.cart.addItems([DummyOrder('510-115', 1),])
        self.assertEqual(len(self.cart.currentItems()), 1)

    def testDeleteItems(self):
        # Deleting from the cart should work
        self.cart.addItems([DummyOrder('510-115', 1),])
        self.cart.deleteItems(['510-115'])
        self.assertEqual(len(self.cart.currentItems()), 0)

    def testAddQuantity(self):
        # Adding to quantity should work
        self.cart.addItems([DummyOrder('510-115', 1),])
        self.cart.addItems([DummyOrder('510-115', 2),])
        self.cart.addItems([DummyOrder('510-115', 3),])
        self.assertEqual(self.cart.currentItems()[0]['quantity'], 6)

    def testGetTotal(self):
        # Totals should be computed correctly
        self.cart.addItems([DummyOrder('510-115', 1),])
        self.cart.addItems([DummyOrder('510-122', 2),])
        self.cart.addItems([DummyOrder('510-007', 2),])
        self.assertEqual(self.cart.getTotal(), 149.95)

    def testGetItem(self):
        # Getting an item from the "database" should work
        item = self.cart.getItem('510-115')
        self.assertEqual(item['id'], '510-115')
        self.assertEqual(item['title'], 'Econo Feeder')
        self.assertEqual(item['price'], 7.95)

    def testEight(self):
        # Additional test to trigger connection pool depletion bug
        pass


class TestSandboxedShoppingCart(ZopeTestCase.Sandboxed, TestShoppingCart):
    '''Demonstrate that sessions work in sandboxes''' 


def test_suite():
    from unittest import TestSuite, makeSuite
    suite = TestSuite()
    suite.addTest(makeSuite(TestShoppingCart))
    suite.addTest(makeSuite(TestSandboxedShoppingCart))
    return suite

