# -*- coding: iso-8859-1 -*-
"""
    MoinMoin - MoinMoin.PageEditor Tests

    @copyright: 2003-2004 by Jürgen Hermann <jh@web.de>
    @license: GNU GPL, see COPYING for details.
"""

import unittest
from MoinMoin.Page import Page
from MoinMoin.PageEditor import PageEditor
from MoinMoin._tests import TestConfig, TestSkiped


class ExpandVarsTestCase(unittest.TestCase):
    """PageEditor: testing page editor"""   

    pagename = u'AutoCreatedMoinMoinTemporaryTestPage'

    _tests = (
        # Variable,             Expanded
        ("@PAGE@",              pagename),
        ("em@PAGE@bedded",      "em%sbedded" % pagename),
        ("@NOVAR@",             "@NOVAR@"),
        ("case@Page@sensitive", "case@Page@sensitive"),
        )

    def setUp(self):
        self.page = PageEditor(self.request, self.pagename)

    def testExpandVariables(self):
        """ PageEditor: expand general variables """
        for var, expected in self._tests:
            result = self.page._expand_variables(var)
            self.assertEqual(result, expected,
                'Expected "%(expected)s" but got "%(result)s"' % locals())   


class ExpandUserNameTest(unittest.TestCase):
    """ Base class for user name tests
    
    Set user name during tests.
    """
    pagename = u'AutoCreatedMoinMoinTemporaryTestPage'
    variable = u'@USERNAME@'
    
    def setUp(self):
        self.page = PageEditor(self.request, self.pagename)
        self.savedName = self.request.user.name
        self.request.user.name = self.name

    def tearDown(self):
        self.request.user.name = self.savedName
    
    def expand(self):
        return self.page._expand_variables(self.variable)


class ExpandCamelCaseName(ExpandUserNameTest):
    
    name = u'UserName'
    
    def testExpandCamelCaseUserName(self):
        """ PageEditor: expand @USERNAME@ CamelCase """
        self.assertEqual(self.expand(), self.name)


class ExpandExtendedName(ExpandUserNameTest):
    
    name = u'user name'
    
    def testExtendedNamesEnabled(self):
        """ PageEditor: expand @USERNAME@ extended name - enabled """
        try:
            config = TestConfig(self.request)
            self.assertEqual(self.expand(), u'["%s"]' % self.name)
        finally:
            del config

        
class ExpandMailto(ExpandUserNameTest):

    variable = u'@MAILTO@'
    name = u'user name'
    email = 'user@example.com'

    def setUp(self):
        ExpandUserNameTest.setUp(self)
        self.savedValid = self.request.user.valid
        self.request.user.valid = 1
        self.savedEmail = self.request.user.email
        self.request.user.email = self.email

    def tearDown(self):
        ExpandUserNameTest.tearDown(self)
        self.request.user.valid = self.savedValid
        self.request.user.email = self.savedEmail
    
    def testMailto(self):
        """ PageEditor: expand @MAILTO@ """
        self.assertEqual(self.expand(), u'[[MailTo(%s)]]' % self.email)
        

class ExpandPrivateVariables(ExpandUserNameTest):

    variable = u'@ME@'
    name = u'AutoCreatedMoinMoinTemporaryTestUser'
    dictPage = name + '/MyDict'
    shouldDeleteTestPage = True
    
    def setUp(self):
        ExpandUserNameTest.setUp(self)
        self.savedValid = self.request.user.valid
        self.request.user.valid = 1
        self.createTestPage()
        self.deleteCaches()

    def tearDown(self):
        ExpandUserNameTest.tearDown(self)
        self.request.user.valid = self.savedValid
        self.deleteTestPage()

    def testPrivateVariables(self):
        """ PageEditor: expand user variables """        
        self.assertEqual(self.expand(), self.name)

    def createTestPage(self):
        """ Create temporary page, bypass logs, notification and backups
        
        TODO: this code is very fragile, any change in the
        implementation will break this test. Need to factor PageEditor
        to make it possible to create page without loging and notifying.
        """
        import os
        path = self.dictPagePath()
        if os.path.exists(path):
            self.shouldDeleteTestPage = False
            raise TestSkiped("%s exists. Won't overwrite exiting page" % 
                             self.dictPage)
        try:
            os.mkdir(path)
            revisionsDir = os.path.join(path, 'revisions')
            os.mkdir(revisionsDir)
            current = '00000001'
            file(os.path.join(path, 'current'), 'w').write('%s\n' % current)
            text = u' ME:: %s\n' % self.name
            file(os.path.join(revisionsDir, current), 'w').write(text)
        except Exception, err:
            raise TestSkiped("Can not be create test page: %s" % err)

    def deleteCaches(self):
        """ Force the wiki to scan the test page into the dicts """
        from MoinMoin import caching
        caching.CacheEntry(self.request, 'wikidicts', 'dicts_groups').remove()
        if hasattr(self.request, 'dicts'):
            del self.request.dicts
        if hasattr(self.request.cfg, 'DICTS_DATA'):
            del self.request.cfg.DICTS_DATA
        self.request.pages = {}
        
    def deleteTestPage(self):
        """ Delete temporary page, bypass logs and notifications """
        if self.shouldDeleteTestPage:
            import shutil
            shutil.rmtree(self.dictPagePath(), True)
        
    def dictPagePath(self):
        page = Page(self.request, self.dictPage)
        return page.getPagePath(use_underlay=0, check_create=0)