# Copyright (C) 2005 by Canonical Ltd

# 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


"""Tests for plugins"""

# NOT RUN YET







from bzrlib.selftest import InTempDir


def PluginTest(InTempDir):
    """Create an external plugin and test loading."""
    def runTest(self):
        import os
        
        orig_help = self.backtick('bzr help commands') # No plugins yet
        os.mkdir('plugin_test')
        f = open(os.path.join('plugin_test', 'myplug.py'), 'wt')
        f.write(PLUGIN_TEXT)
        f.close()

        newhelp = backtick('bzr help commands')
        assert newhelp.startswith('You have been overridden\n')
        # We added a line, but the rest should work
        assert newhelp[25:] == help

        assert backtick('bzr commit -m test') == "I'm sorry dave, you can't do that\n"

        shutil.rmtree('plugin_test')




PLUGIN_TEXT = \
"""import bzrlib, bzrlib.commands
class cmd_myplug(bzrlib.commands.Command):
    '''Just a simple test plugin.'''
    aliases = ['mplg']
    def run(self):
        print 'Hello from my plugin'
""")
    f.close()

    os.environ['BZRPLUGINPATH'] = os.path.abspath('plugin_test')
    help = backtick('bzr help commands')
    assert help.find('myplug') != -1
    assert help.find('Just a simple test plugin.') != -1


    assert backtick('bzr myplug') == 'Hello from my plugin\n'
    assert backtick('bzr mplg') == 'Hello from my plugin\n'

    f = open(os.path.join('plugin_test', 'override.py'), 'wb')
    f.write("""import bzrlib, bzrlib.commands
class cmd_commit(bzrlib.commands.cmd_commit):
    '''Commit changes into a new revision.'''
    def run(self, *args, **kwargs):
        print "I'm sorry dave, you can't do that"

class cmd_help(bzrlib.commands.cmd_help):
    '''Show help on a command or other topic.'''
    def run(self, *args, **kwargs):
        print "You have been overridden"
        bzrlib.commands.cmd_help.run(self, *args, **kwargs)

    """