~bzr-pqm/bzr/bzr.dev

750 by Martin Pool
- stubbed-out tests for python plugins
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# Copyright (C) 2005 by Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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"""Tests for plugins"""
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# NOT RUN YET
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from bzrlib.selftest import InTempDir
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def PluginTest(InTempDir):
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    """Create an external plugin and test loading."""
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    def runTest(self):
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        import os
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        orig_help = self.backtick('bzr help commands') # No plugins yet
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        os.mkdir('plugin_test')
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        f = open(os.path.join('plugin_test', 'myplug.py'), 'wt')
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        f.write(PLUGIN_TEXT)
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        f.close()
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        newhelp = backtick('bzr help commands')
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        assert newhelp.startswith('You have been overridden\n')
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        # We added a line, but the rest should work
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        assert newhelp[25:] == help
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        assert backtick('bzr commit -m test') == "I'm sorry dave, you can't do that\n"
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        shutil.rmtree('plugin_test')
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PLUGIN_TEXT = \
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"""import bzrlib, bzrlib.commands
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class cmd_myplug(bzrlib.commands.Command):
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    '''Just a simple test plugin.'''
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    aliases = ['mplg']
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    def run(self):
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        print 'Hello from my plugin'
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""")
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    f.close()
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    os.environ['BZRPLUGINPATH'] = os.path.abspath('plugin_test')
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    help = backtick('bzr help commands')
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    assert help.find('myplug') != -1
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    assert help.find('Just a simple test plugin.') != -1
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    assert backtick('bzr myplug') == 'Hello from my plugin\n'
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    assert backtick('bzr mplg') == 'Hello from my plugin\n'
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    f = open(os.path.join('plugin_test', 'override.py'), 'wb')
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    f.write("""import bzrlib, bzrlib.commands
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class cmd_commit(bzrlib.commands.cmd_commit):
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    '''Commit changes into a new revision.'''
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    def run(self, *args, **kwargs):
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        print "I'm sorry dave, you can't do that"
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class cmd_help(bzrlib.commands.cmd_help):
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    '''Show help on a command or other topic.'''
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    def run(self, *args, **kwargs):
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        print "You have been overridden"
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        bzrlib.commands.cmd_help.run(self, *args, **kwargs)
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    """