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#
# 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.
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"""This is an 'abstract' test for the IMessageCatalog interface.

$Id: test_imessagecatalog.py 27081 2004-08-12 19:56:31Z srichter $
"""
import unittest
from zope.interface.verify import verifyObject
from zope.i18n.interfaces import IMessageCatalog


class TestIMessageCatalog(object):


    # This should be overwritten by every class that inherits this test
    def _getMessageCatalog(self):
        pass

    def _getUniqueIndentifier(self):
        pass


    def setUp(self):
        self._catalog = self._getMessageCatalog()

    def testInterface(self):
        verifyObject(IMessageCatalog, self._catalog)

    def testGetMessage(self):
        catalog = self._catalog
        self.assertEqual(catalog.getMessage('short_greeting'), 'Hello!')
        self.assertRaises(KeyError, catalog.getMessage, 'foo')


    def testQueryMessage(self):
        catalog = self._catalog
        self.assertEqual(catalog.queryMessage('short_greeting'), 'Hello!')
        self.assertEqual(catalog.queryMessage('foo'), None)
        self.assertEqual(catalog.queryMessage('foo', 'bar'), 'bar')


    def testGetLanguage(self):
        catalog = self._catalog
        self.assertEqual(catalog.language, 'en')


    def testGetDomain(self):
        catalog = self._catalog
        self.assertEqual(catalog.domain, 'default')


    def testGetIdentifier(self):
        catalog = self._catalog
        self.assertEqual(catalog.getIdentifier(), self._getUniqueIndentifier())


def test_suite():
    return unittest.TestSuite() # Deliberatly empty
