##############################################################################
#
# Copyright (c) 2001, 2002 Zope Corporation and Contributors.
# All Rights Reserved.
#
# 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
#
##############################################################################
"""Tests of ZODBMountPoint
"""

import os
import sys
import unittest
import Testing
import ZODB
import transaction
from OFS.Application import Application
from OFS.Folder import Folder
import App.config
from Products.ZODBMountPoint.MountedObject import manage_addMounts
from Products.ZODBMountPoint.MountedObject import getMountPoint
from Products.ZODBMountPoint.MountedObject import manage_getMountStatus
from Zope2.Startup.datatypes import DBTab

try:
    __file__
except NameError:
    __file__ = os.path.abspath(sys.argv[0])

class TestDBConfig:
    def __init__(self, fname, mpoints):
        self.fname = fname
        self.mpoints = mpoints

    def getDB(self):
        from ZODB.config import DemoStorage
        from ZODB.Connection import Connection
        from Zope2.Startup.datatypes import ZopeDatabase
        self.name = self.fname
        self.base = None
        self.path = os.path.join(os.path.dirname(__file__),  self.fname)
        self.cache_size = 5000
        self.cache_size_bytes = 0
        self.class_factory = None
        self.connection_class = Connection
        self.container_class = None
        self.create = None
        self.factories = ()
        self.historical_pool_size = 3
        self.historical_cache_size = 1000
        self.historical_cache_size_bytes = 0
        self.historical_timeout = 300
        self.mount_points = self.mpoints
        self.pool_size = 7
        self.pool_timeout = 1<<31
        self.quota = None
        self.read_only = None
        self.storage = DemoStorage(self)
        self.version_cache_size = 100
        self.version_pool_size = 3
        return ZopeDatabase(self)

    def getSectionName(self):
        return self.name

original_config = None

class MountingTests(unittest.TestCase):

    def setUp(self):
        global original_config
        if original_config is None:
            # stow away original config so we can reset it
            original_config = App.config.getConfiguration()
            
        databases = [TestDBConfig('test_main.fs', ['/']).getDB(),
                     TestDBConfig('test_mount1.fs', ['/mount1']).getDB(),
                     TestDBConfig('test_mount2.fs', ['/mount2']).getDB(),
                     ]
        mount_points = {}
        mount_factories = {}
        for database in databases:
            points = database.getVirtualMountPaths()
            name = database.config.getSectionName()
            mount_factories[name] = database
            for point in points:
                mount_points[point] = name
        conf = DBTab(mount_factories, mount_points)
        d = App.config.DefaultConfiguration()
        d.dbtab = conf
        App.config.setConfiguration(d)
        self.conf = conf
        db = conf.getDatabase('/')
        conn = db.open()
        root = conn.root()
        root['Application'] = app = Application()
        self.app = app
        transaction.commit()  # Get app._p_jar set
        manage_addMounts(app, ('/mount1', '/mount2'))
        transaction.commit()  # Get the mount points ready



    def tearDown(self):
        App.config.setConfiguration(original_config)
        transaction.abort()
        self.app._p_jar.close()
        del self.app
        for db in self.conf.databases.values():
            db.close()
        del self.conf

    def testRead(self):
        self.assertEqual(self.app.mount1.id, 'mount1')
        self.assertEqual(self.app.mount2.id, 'mount2')

    def testWrite(self):
        app = self.app
        app.mount1.a1 = '1'
        app.mount2.a2 = '2'
        app.a3 = '3'
        self.assertEqual(app.mount1._p_changed, 1)
        self.assertEqual(app.mount2._p_changed, 1)
        self.assertEqual(app._p_changed, 1)
        transaction.commit()
        self.assertEqual(app.mount1._p_changed, 0)
        self.assertEqual(app.mount2._p_changed, 0)
        self.assertEqual(app._p_changed, 0)

        self.assertEqual(app.mount1.a1, '1')
        self.assertEqual(app.mount2.a2, '2')
        self.assertEqual(app.a3, '3')

    def testGetMountPoint(self):
        self.assert_(getMountPoint(self.app) is None)
        self.assert_(getMountPoint(self.app.mount1) is not None)
        self.assertEqual(getMountPoint(self.app.mount1)._path, '/mount1')
        self.assert_(getMountPoint(self.app.mount2) is not None)
        self.assertEqual(getMountPoint(self.app.mount2)._path, '/mount2')
        del self.app.mount2
        self.app.mount2 = Folder()
        self.app.mount2.id = 'mount2'
        self.assert_(getMountPoint(self.app.mount2) is None)
        transaction.commit()
        self.assert_(getMountPoint(self.app.mount2) is None)

    def test_manage_getMountStatus(self):
        status = manage_getMountStatus(self.app)
        expected = [{'status': 'Ok',
                     'path': '/mount1',
                     'name': 'test_mount1.fs',
                     'exists': 1},
                    {'status': 'Ok',
                     'path': '/mount2',
                     'name': 'test_mount2.fs',
                     'exists': 1}]
        self.assertEqual(expected, status)
        del self.app.mount2
        status = manage_getMountStatus(self.app)
        expected = [{'status': 'Ok',
                     'path': '/mount1',
                     'name': 'test_mount1.fs',
                     'exists': 1},
                    {'status': 'Ready to create',
                     'path': '/mount2',
                     'name': 'test_mount2.fs',
                     'exists': 0}]
        self.assertEqual(expected, status)
        self.app.mount2 = Folder('mount2')
        status = manage_getMountStatus(self.app)
        expected = [{'status': 'Ok',
                     'path': '/mount1',
                     'name': 'test_mount1.fs',
                     'exists': 1},
                    {'status': '** Something is in the way **',
                     'path': '/mount2',
                     'name': 'test_mount2.fs',
                     'exists': 1}]
        self.assertEqual(expected, status)

    def test_close(self):
        app = self.app
        app.mount1.a1 = '1'
        app.mount2.a2 = '2'
        app.a3 = '3'
        conn1 = app.mount1._p_jar
        conn2 = app.mount2._p_jar
        transaction.abort()
        # Close the main connection
        app._p_jar.close()
        self.assertEqual(app._p_jar._opened, None)
        # Check that secondary connections have been closed too
        self.assertEqual(conn1._opened, None)
        self.assertEqual(conn2._opened, None)


def test_suite():
    return unittest.makeSuite(MountingTests, 'test')

if __name__ == '__main__':
    unittest.main()

