~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2006, 2007, 2009, 2010, 2011 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 display of exceptions."""

import os

import re

from bzrlib import (

    bzrdir,

    config,

    controldir,

    errors,

    osutils,

    repository,

    tests,

    )

from bzrlib.repofmt.groupcompress_repo import RepositoryFormat2a

class TestExceptionReporting(tests.TestCaseInTempDir):

    def test_exception_exitcode(self):

        # we must use a subprocess, because the normal in-memory mechanism

        # allows errors to propagate up through the test suite

        out, err = self.run_bzr_subprocess(['assert-fail'],

            universal_newlines=True,

            retcode=errors.EXIT_INTERNAL_ERROR)

        self.assertEqual(4, errors.EXIT_INTERNAL_ERROR)

        self.assertContainsRe(err,

                r'exceptions\.AssertionError: always fails\n')

        self.assertContainsRe(err, r'Bazaar has encountered an internal error')

    def test_undecodable_argv(self):

        """A user error must be reported if argv is not in the locale encoding

        A subprocess with an environment ascii-only setting is used so the test

        can run without worrying about the locale the test suite is using.

        """

        if os.name != "posix":

            raise tests.TestNotApplicable("Needs system beholden to C locales")

        out, err = self.run_bzr_subprocess(["\xa0"],

            env_changes={"LANG": "C", "LC_ALL": "C"},

            universal_newlines=True,

            retcode=errors.EXIT_ERROR)

        self.assertContainsRe(err, r"^bzr: ERROR: .*'\\xa0'.* unsupported",

            flags=re.MULTILINE)

        self.assertEquals(out, "")

    def test_utf8_default_fs_enc(self):

        """In the C locale bzr treats a posix filesystem as UTF-8 encoded"""

        if os.name != "posix":

            raise tests.TestNotApplicable("Needs system beholden to C locales")

        out, err = self.run_bzr_subprocess(["init", "file:%C2%A7"],

            env_changes={"LANG": "C", "LC_ALL": "C"})

        self.assertContainsRe(out, "^Created a standalone tree .*$")

class TestOptParseBugHandling(tests.TestCase):

    "Test that we handle http://bugs.python.org/issue2931"

    def test_nonascii_optparse(self):

        """Reasonable error raised when non-ascii in option name"""

        error_re = 'Only ASCII permitted in option names'

        out = self.run_bzr_error([error_re], ['st',u'-\xe4'])

class TestObsoleteRepoFormat(RepositoryFormat2a):

    @classmethod

    def get_format_string(cls):

        return "Test Obsolete Repository Format"

    def is_deprecated(self):

        return True

class TestDeprecationWarning(tests.TestCaseWithTransport):

    """The deprecation warning is controlled via a global variable:

    repository._deprecation_warning_done. As such, it can be emitted only once

    during a bzr invocation, no matter how many repositories are involved.

    It would be better if it was a repo attribute instead but that's far more

    work than I want to do right now -- vila 20091215.

    """

    def setUp(self):

        super(TestDeprecationWarning, self).setUp()

        self.addCleanup(repository.format_registry.remove,

            TestObsoleteRepoFormat)

        repository.format_registry.register(TestObsoleteRepoFormat)

        self.addCleanup(controldir.format_registry.remove, "testobsolete")

        bzrdir.register_metadir(controldir.format_registry, "testobsolete",

            "bzrlib.tests.blackbox.test_exceptions.TestObsoleteRepoFormat",

            branch_format='bzrlib.branch.BzrBranchFormat7',

            tree_format='bzrlib.workingtree_4.WorkingTreeFormat6',

            deprecated=True,

            help='Same as 2a, but with an obsolete repo format.')

        self.disable_deprecation_warning()

    def enable_deprecation_warning(self, repo=None):

        """repo is not used yet since _deprecation_warning_done is a global"""

        repository._deprecation_warning_done = False

    def disable_deprecation_warning(self, repo=None):

        """repo is not used yet since _deprecation_warning_done is a global"""

        repository._deprecation_warning_done = True

    def make_obsolete_repo(self, path):

        # We don't want the deprecation raising during the repo creation

        format = controldir.format_registry.make_bzrdir("testobsolete")

        tree = self.make_branch_and_tree(path, format=format)

        return tree

    def check_warning(self, present):

        if present:

            check = self.assertContainsRe

        else:

            check = self.assertNotContainsRe

        check(self.get_log(), 'WARNING.*bzr upgrade')

    def test_repository_deprecation_warning(self):

        """Old formats give a warning"""

        self.make_obsolete_repo('foo')

        self.enable_deprecation_warning()

        out, err = self.run_bzr('status', working_dir='foo')

        self.check_warning(True)

    def test_repository_deprecation_warning_suppressed_global(self):

        """Old formats give a warning"""

        conf = config.GlobalStack()

        conf.set('suppress_warnings', 'format_deprecation')

        self.make_obsolete_repo('foo')

        self.enable_deprecation_warning()

        out, err = self.run_bzr('status', working_dir='foo')

        self.check_warning(False)

    def test_repository_deprecation_warning_suppressed_locations(self):

        """Old formats give a warning"""

        self.make_obsolete_repo('foo')

        conf = config.LocationStack(osutils.pathjoin(self.test_dir, 'foo'))

        conf.set('suppress_warnings', 'format_deprecation')

        self.enable_deprecation_warning()

        out, err = self.run_bzr('status', working_dir='foo')

        self.check_warning(False)

    def test_repository_deprecation_warning_suppressed_branch(self):

        """Old formats give a warning"""

        tree = self.make_obsolete_repo('foo')

        conf = tree.branch.get_config_stack()

        conf.set('suppress_warnings', 'format_deprecation')

        self.enable_deprecation_warning()

        out, err = self.run_bzr('status', working_dir='foo')

        self.check_warning(False)