##
## test_root.py
## Login : <uli@pu.smp.net>
## Started on  Thu Jan 20 09:26:54 2011 Uli Fouquet
## $Id$
## 
## Copyright (C) 2011 Uli Fouquet
## 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 2 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, write to the Free Software
## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
##
"""
Test applicants root.
"""
import logging
import unittest
from StringIO import StringIO
from zope.interface.verify import verifyClass, verifyObject
from waeup.sirp.applicants import interfaces
from waeup.sirp.applicants.root import (
    ApplicantsRoot, ApplicantsPlugin,
    )

class FakeSite(dict):
    pass

class ApplicantsRootTestCase(unittest.TestCase):

    def test_interfaces(self):
        # Make sure the correct interfaces are implemented.
        self.assertTrue(
            verifyClass(
                interfaces.IApplicantsRoot, ApplicantsRoot)
            )
        self.assertTrue(
            verifyObject(
                interfaces.IApplicantsRoot, ApplicantsRoot())
            )
        return

class ApplicantsRootPluginTestCase(unittest.TestCase):
    def create_logger(self):
        # create a logger suitable for local tests.
        test_logger = logging.getLogger('waeup.sirp.applicants.testlogger')
        log = StringIO()
        handler = logging.StreamHandler(log)
        handler.setLevel(logging.DEBUG)
        test_logger.addHandler(handler)
        test_logger.setLevel(logging.DEBUG)
        self.logger = test_logger
        self.log = log
        self.handler = handler
        return self.logger

    def remove_logger(self):
        del self.handler
        del self.logger
        del self.log
        pass

    def get_log(self):
        self.log.seek(0)
        return self.log.read()

    def setUp(self):
        self.create_logger()
        return

    def tearDown(self):
        self.remove_logger()
        return

    # Real tests start here...
    def test_pluginsetup(self):
        # Make sure we can add ApplicantsRoot to sites.
        site = FakeSite()
        plugin = ApplicantsPlugin()
        plugin.setup(site, 'blah', self.logger)
        self.assertTrue('applicants' in site.keys())
        log = self.get_log()
        self.assertTrue('Installed applicants root.' in log)
        return

    def test_update_new(self):
        # Run update on a site without applicants root.
        site = FakeSite()
        plugin = ApplicantsPlugin()
        plugin.update(site, 'blah', self.logger)
        self.assertTrue('applicants' in site.keys())
        log = self.get_log()
        self.assertTrue('Updating site at <Unnamed Site>' in log)
        self.assertTrue('Installed applicants root.' in log)
        return

    def test_update_outdated(self):
        # Run update on a site with outdated applicants root.
        site = FakeSite()
        root = object() # # This is not a proper applicants root
        site['applicants'] = root
        plugin = ApplicantsPlugin()
        plugin.update(site, 'blah', self.logger)
        self.assertTrue(site['applicants'] is not root)
        self.assertTrue(isinstance(site['applicants'], ApplicantsRoot))
        log = self.get_log()
        self.assertTrue('Outdated applicants folder detected' in log)
        self.assertTrue('Updating site at <Unnamed Site>' in log)
        self.assertTrue('Installed applicants root.' in log)
        return

    def test_update_uptodate(self):
        # Run update on a site with proper applicants root.
        site = FakeSite()
        root = ApplicantsRoot()
        site['applicants'] = root
        plugin = ApplicantsPlugin()
        plugin.update(site, 'blah', self.logger)
        self.assertTrue(site['applicants'] is root)
        log = self.get_log()
        self.assertTrue('Updating site at <Unnamed Site>' in log)
        self.assertTrue('Nothing to do' in log)
        return

    def test_update_log(self):
        # Check that sitename is used in log messages on updates.
        site = FakeSite()
        site.__name__ = 'my_site'
        plugin = ApplicantsPlugin()
        plugin.update(site, 'blah', self.logger)
        log = self.get_log()
        self.assertTrue('Updating site at my_site.' in log)
        return
        
def suite():
    suite = unittest.TestSuite()
    for testcase in [
            ApplicantsRootTestCase,
            ApplicantsRootPluginTestCase,
            ]:
        suite.addTests(unittest.TestLoader().loadTestsFromTestCase(testcase))
    return suite

test_suite = suite