~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2009, 2010 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

"""Tests for bzrlib.debug"""

import os

from bzrlib import (

    debug,

    tests,

    )

from bzrlib.config import config_filename, ensure_config_dir_exists

class TestDebugFlags(tests.TestCaseInTempDir):

    def test_set_debug_flags_from_config(self):

        # test both combinations because configobject automatically splits up

        # comma-separated lists

        if os.path.isfile(config_filename()):

            # Something is wrong in environment,

            # we risk overwriting users config

            self.assert_(config_filename() + "exists, abort")

        self.try_debug_flags(

            """debug_flags = hpss, error\n""",

            set(['hpss', 'error']))

        self.try_debug_flags(

            """debug_flags = hpss\n""",

            set(['hpss']))

    def try_debug_flags(self, conf_bytes, expected_flags):

        ensure_config_dir_exists()

        f = open(config_filename(), 'wb')

        try:

            f.write(conf_bytes)

        finally:

            f.close()

        saved_debug = set(debug.debug_flags)

        debug.debug_flags.clear()

        try:

            debug.set_debug_flags_from_config()

            self.assertEqual(expected_flags,

                debug.debug_flags)

        finally:

            # restore without rebinding the variable

            debug.debug_flags.clear()

            debug.debug_flags.update(saved_debug)