/brz/remove-bazaar

# Copyright (C) 2006-2011 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 the commit CLI of bzr."""

import doctest

import os

import re

import sys

from testtools.matchers import DocTestMatches

from bzrlib import (

    config,

    osutils,

    ignores,

    msgeditor,

    tests,

    )

from bzrlib.bzrdir import BzrDir

from bzrlib.tests import (

    probe_bad_non_ascii,

    TestSkipped,

    UnicodeFilenameFeature,

    )

from bzrlib.tests import TestCaseWithTransport

class TestCommit(TestCaseWithTransport):

    def test_05_empty_commit(self):

        """Commit of tree with no versioned files should fail"""

        # If forced, it should succeed, but this is not tested here.

        self.make_branch_and_tree('.')

        self.build_tree(['hello.txt'])

        out,err = self.run_bzr('commit -m empty', retcode=3)

        self.assertEqual('', out)

        # Two ugly bits here.

        # 1) We really don't want 'aborting commit write group' anymore.

        # 2) bzr: ERROR: is a really long line, so we wrap it with '\'

        self.assertThat(

            err,

            DocTestMatches("""\

Committing to: ...

aborting commit write group: PointlessCommit(No changes to commit)

bzr: ERROR: No changes to commit.\

 Please 'bzr add' the files you want to commit,\

 or use --unchanged to force an empty commit.

""", flags=doctest.ELLIPSIS|doctest.REPORT_UDIFF))

    def test_commit_success(self):

        """Successful commit should not leave behind a bzr-commit-* file"""

        self.make_branch_and_tree('.')

        self.run_bzr('commit --unchanged -m message')

        self.assertEqual('', self.run_bzr('unknowns')[0])

        # same for unicode messages

        self.run_bzr(["commit", "--unchanged", "-m", u'foo\xb5'])

        self.assertEqual('', self.run_bzr('unknowns')[0])

    def test_commit_with_path(self):

        """Commit tree with path of root specified"""

        a_tree = self.make_branch_and_tree('a')

        self.build_tree(['a/a_file'])

        a_tree.add('a_file')

        self.run_bzr(['commit', '-m', 'first commit', 'a'])

        b_tree = a_tree.bzrdir.sprout('b').open_workingtree()

        self.build_tree_contents([('b/a_file', 'changes in b')])

        self.run_bzr(['commit', '-m', 'first commit in b', 'b'])

        self.build_tree_contents([('a/a_file', 'new contents')])

        self.run_bzr(['commit', '-m', 'change in a', 'a'])

        b_tree.merge_from_branch(a_tree.branch)

        self.assertEqual(len(b_tree.conflicts()), 1)

        self.run_bzr('resolved b/a_file')

        self.run_bzr(['commit', '-m', 'merge into b', 'b'])

    def test_10_verbose_commit(self):

        """Add one file and examine verbose commit output"""

        tree = self.make_branch_and_tree('.')

        self.build_tree(['hello.txt'])

        tree.add("hello.txt")

        out,err = self.run_bzr('commit -m added')

        self.assertEqual('', out)

        self.assertContainsRe(err, '^Committing to: .*\n'

                              'added hello.txt\n'

                              'Committed revision 1.\n$',)

    def prepare_simple_history(self):

        """Prepare and return a working tree with one commit of one file"""

        # Commit with modified file should say so

        wt = BzrDir.create_standalone_workingtree('.')

        self.build_tree(['hello.txt', 'extra.txt'])

        wt.add(['hello.txt'])

        wt.commit(message='added')

        return wt

    def test_verbose_commit_modified(self):

        # Verbose commit of modified file should say so

        wt = self.prepare_simple_history()

        self.build_tree_contents([('hello.txt', 'new contents')])

        out, err = self.run_bzr('commit -m modified')

        self.assertEqual('', out)

        self.assertContainsRe(err, '^Committing to: .*\n'

                              'modified hello\.txt\n'

                              'Committed revision 2\.\n$')

    def test_unicode_commit_message_is_filename(self):

        """Unicode commit message same as a filename (Bug #563646).

        """

        self.requireFeature(UnicodeFilenameFeature)

        file_name = u'\N{euro sign}'

        self.run_bzr(['init'])

        open(file_name, 'w').write('hello world')

        self.run_bzr(['add'])

        out, err = self.run_bzr(['commit', '-m', file_name])

        reflags = re.MULTILINE|re.DOTALL|re.UNICODE

        te = osutils.get_terminal_encoding()

        self.assertContainsRe(err.decode(te),

            u'The commit message is a file name:',

            flags=reflags)

        # Run same test with a filename that causes encode

        # error for the terminal encoding. We do this

        # by forcing terminal encoding of ascii for

        # osutils.get_terminal_encoding which is used

        # by ui.text.show_warning

        default_get_terminal_enc = osutils.get_terminal_encoding

        try:

            osutils.get_terminal_encoding = lambda trace=None: 'ascii'

            file_name = u'foo\u1234'

            open(file_name, 'w').write('hello world')

            self.run_bzr(['add'])

            out, err = self.run_bzr(['commit', '-m', file_name])

            reflags = re.MULTILINE|re.DOTALL|re.UNICODE

            te = osutils.get_terminal_encoding()

            self.assertContainsRe(err.decode(te, 'replace'),

                u'The commit message is a file name:',

                flags=reflags)

        finally:

            osutils.get_terminal_encoding = default_get_terminal_enc

    def test_warn_about_forgotten_commit_message(self):

        """Test that the lack of -m parameter is caught"""

        wt = self.make_branch_and_tree('.')

        self.build_tree(['one', 'two'])

        wt.add(['two'])

        out, err = self.run_bzr('commit -m one two')

        self.assertContainsRe(err, "The commit message is a file name")

    def test_verbose_commit_renamed(self):

        # Verbose commit of renamed file should say so

        wt = self.prepare_simple_history()

        wt.rename_one('hello.txt', 'gutentag.txt')

        out, err = self.run_bzr('commit -m renamed')

        self.assertEqual('', out)

        self.assertContainsRe(err, '^Committing to: .*\n'

                              'renamed hello\.txt => gutentag\.txt\n'

                              'Committed revision 2\.$\n')

    def test_verbose_commit_moved(self):

        # Verbose commit of file moved to new directory should say so

        wt = self.prepare_simple_history()

        os.mkdir('subdir')

        wt.add(['subdir'])

        wt.rename_one('hello.txt', 'subdir/hello.txt')

        out, err = self.run_bzr('commit -m renamed')

        self.assertEqual('', out)

        self.assertEqual(set([

            'Committing to: %s/' % osutils.getcwd(),

            'added subdir',

            'renamed hello.txt => subdir/hello.txt',

            'Committed revision 2.',

            '',

            ]), set(err.split('\n')))

    def test_verbose_commit_with_unknown(self):

        """Unknown files should not be listed by default in verbose output"""

        # Is that really the best policy?

        wt = BzrDir.create_standalone_workingtree('.')

        self.build_tree(['hello.txt', 'extra.txt'])

        wt.add(['hello.txt'])

        out,err = self.run_bzr('commit -m added')

        self.assertEqual('', out)

        self.assertContainsRe(err, '^Committing to: .*\n'

                              'added hello\.txt\n'

                              'Committed revision 1\.\n$')

    def test_verbose_commit_with_unchanged(self):

        """Unchanged files should not be listed by default in verbose output"""

        tree = self.make_branch_and_tree('.')

        self.build_tree(['hello.txt', 'unchanged.txt'])

        tree.add('unchanged.txt')

        self.run_bzr('commit -m unchanged unchanged.txt')

        tree.add("hello.txt")

        out,err = self.run_bzr('commit -m added')

        self.assertEqual('', out)

        self.assertContainsRe(err, '^Committing to: .*\n'

                              'added hello\.txt\n'

                              'Committed revision 2\.$\n')

    def test_verbose_commit_includes_master_location(self):

        """Location of master is displayed when committing to bound branch"""

        a_tree = self.make_branch_and_tree('a')

        self.build_tree(['a/b'])

        a_tree.add('b')

        a_tree.commit(message='Initial message')

        b_tree = a_tree.branch.create_checkout('b')

        expected = "%s/" % (osutils.abspath('a'), )

        out, err = self.run_bzr('commit -m blah --unchanged', working_dir='b')

        self.assertEqual(err, 'Committing to: %s\n'

                         'Committed revision 2.\n' % expected)

    def test_commit_sanitizes_CR_in_message(self):

        # See bug #433779, basically Emacs likes to pass '\r\n' style line

        # endings to 'bzr commit -m ""' which breaks because we don't allow

        # '\r' in commit messages. (Mostly because of issues where XML style

        # formats arbitrarily strip it out of the data while parsing.)

        # To make life easier for users, we just always translate '\r\n' =>

        # '\n'. And '\r' => '\n'.

        a_tree = self.make_branch_and_tree('a')

        self.build_tree(['a/b'])

        a_tree.add('b')

        self.run_bzr(['commit',

                      '-m', 'a string\r\n\r\nwith mixed\r\rendings\n'],

                     working_dir='a')

        rev_id = a_tree.branch.last_revision()

        rev = a_tree.branch.repository.get_revision(rev_id)

        self.assertEqualDiff('a string\n\nwith mixed\n\nendings\n',

                             rev.message)

    def test_commit_merge_reports_all_modified_files(self):

        # the commit command should show all the files that are shown by

        # bzr diff or bzr status when committing, even when they were not

        # changed by the user but rather through doing a merge.

        this_tree = self.make_branch_and_tree('this')

        # we need a bunch of files and dirs, to perform one action on each.

        self.build_tree([

            'this/dirtorename/',

            'this/dirtoreparent/',

            'this/dirtoleave/',

            'this/dirtoremove/',

            'this/filetoreparent',

            'this/filetorename',

            'this/filetomodify',

            'this/filetoremove',

            'this/filetoleave']

            )

        this_tree.add([

            'dirtorename',

            'dirtoreparent',

            'dirtoleave',

            'dirtoremove',

            'filetoreparent',

            'filetorename',

            'filetomodify',

            'filetoremove',

            'filetoleave']

            )

        this_tree.commit('create_files')

        other_dir = this_tree.bzrdir.sprout('other')

        other_tree = other_dir.open_workingtree()

        other_tree.lock_write()

        # perform the needed actions on the files and dirs.

        try:

            other_tree.rename_one('dirtorename', 'renameddir')

            other_tree.rename_one('dirtoreparent', 'renameddir/reparenteddir')

            other_tree.rename_one('filetorename', 'renamedfile')

            other_tree.rename_one('filetoreparent',

                                  'renameddir/reparentedfile')

            other_tree.remove(['dirtoremove', 'filetoremove'])

            self.build_tree_contents([

                ('other/newdir/',),

                ('other/filetomodify', 'new content'),

                ('other/newfile', 'new file content')])

            other_tree.add('newfile')

            other_tree.add('newdir/')

            other_tree.commit('modify all sample files and dirs.')

        finally:

            other_tree.unlock()

        this_tree.merge_from_branch(other_tree.branch)

        os.chdir('this')

        out,err = self.run_bzr('commit -m added')

        self.assertEqual('', out)

        self.assertEqual(set([

            'Committing to: %s/' % osutils.getcwd(),

            'modified filetomodify',

            'added newdir',

            'added newfile',

            'renamed dirtorename => renameddir',

            'renamed filetorename => renamedfile',

            'renamed dirtoreparent => renameddir/reparenteddir',

            'renamed filetoreparent => renameddir/reparentedfile',

            'deleted dirtoremove',

            'deleted filetoremove',

            'Committed revision 2.',

            ''

            ]), set(err.split('\n')))

    def test_empty_commit_message(self):

        tree = self.make_branch_and_tree('.')

        self.build_tree_contents([('foo.c', 'int main() {}')])

        tree.add('foo.c')

        self.run_bzr('commit -m ""', retcode=3)

    def test_unsupported_encoding_commit_message(self):

        if sys.platform == 'win32':

            raise tests.TestNotApplicable('Win32 parses arguments directly'

                ' as Unicode, so we can\'t pass invalid non-ascii')

        tree = self.make_branch_and_tree('.')

        self.build_tree_contents([('foo.c', 'int main() {}')])

        tree.add('foo.c')

        # LANG env variable has no effect on Windows

        # but some characters anyway cannot be represented

        # in default user encoding

        char = probe_bad_non_ascii(osutils.get_user_encoding())

        if char is None:

            raise TestSkipped('Cannot find suitable non-ascii character'

                'for user_encoding (%s)' % osutils.get_user_encoding())

        out,err = self.run_bzr_subprocess('commit -m "%s"' % char,

                                          retcode=1,

                                          env_changes={'LANG': 'C'})

        self.assertContainsRe(err, r'bzrlib.errors.BzrError: Parameter.*is '

                                    'unsupported by the current encoding.')

    def test_other_branch_commit(self):

        # this branch is to ensure consistent behaviour, whether we're run

        # inside a branch, or not.

        outer_tree = self.make_branch_and_tree('.')

        inner_tree = self.make_branch_and_tree('branch')

        self.build_tree_contents([

            ('branch/foo.c', 'int main() {}'),

            ('branch/bar.c', 'int main() {}')])

        inner_tree.add(['foo.c', 'bar.c'])

        # can't commit files in different trees; sane error

        self.run_bzr('commit -m newstuff branch/foo.c .', retcode=3)

        # can commit to branch - records foo.c only

        self.run_bzr('commit -m newstuff branch/foo.c')

        # can commit to branch - records bar.c

        self.run_bzr('commit -m newstuff branch')

        # No changes left

        self.run_bzr_error(["No changes to commit"], 'commit -m newstuff branch')

    def test_out_of_date_tree_commit(self):

        # check we get an error code and a clear message committing with an out

        # of date checkout

        tree = self.make_branch_and_tree('branch')

        # make a checkout

        checkout = tree.branch.create_checkout('checkout', lightweight=True)

        # commit to the original branch to make the checkout out of date

        tree.commit('message branch', allow_pointless=True)

        # now commit to the checkout should emit

        # ERROR: Out of date with the branch, 'bzr update' is suggested

        output = self.run_bzr('commit --unchanged -m checkout_message '

                             'checkout', retcode=3)

        self.assertEqual(output,

                         ('',

                          "bzr: ERROR: Working tree is out of date, please "

                          "run 'bzr update'.\n"))

    def test_local_commit_unbound(self):

        # a --local commit on an unbound branch is an error

        self.make_branch_and_tree('.')

        out, err = self.run_bzr('commit --local', retcode=3)

        self.assertEqualDiff('', out)

        self.assertEqualDiff('bzr: ERROR: Cannot perform local-only commits '

                             'on unbound branches.\n', err)

    def test_commit_a_text_merge_in_a_checkout(self):

        # checkouts perform multiple actions in a transaction across bond

        # branches and their master, and have been observed to fail in the

        # past. This is a user story reported to fail in bug #43959 where

        # a merge done in a checkout (using the update command) failed to

        # commit correctly.

        trunk = self.make_branch_and_tree('trunk')

        u1 = trunk.branch.create_checkout('u1')

        self.build_tree_contents([('u1/hosts', 'initial contents\n')])

        u1.add('hosts')

        self.run_bzr('commit -m add-hosts u1')

        u2 = trunk.branch.create_checkout('u2')

        self.build_tree_contents([('u2/hosts', 'altered in u2\n')])

        self.run_bzr('commit -m checkin-from-u2 u2')

        # make an offline commits

        self.build_tree_contents([('u1/hosts', 'first offline change in u1\n')])

        self.run_bzr('commit -m checkin-offline --local u1')

        # now try to pull in online work from u2, and then commit our offline

        # work as a merge

        # retcode 1 as we expect a text conflict

        self.run_bzr('update u1', retcode=1)

        self.assertFileEqual('''\

<<<<<<< TREE

first offline change in u1

=======

altered in u2

>>>>>>> MERGE-SOURCE

''',

                             'u1/hosts')

        self.run_bzr('resolved u1/hosts')

        # add a text change here to represent resolving the merge conflicts in

        # favour of a new version of the file not identical to either the u1

        # version or the u2 version.

        self.build_tree_contents([('u1/hosts', 'merge resolution\n')])

        self.run_bzr('commit -m checkin-merge-of-the-offline-work-from-u1 u1')

    def test_commit_exclude_excludes_modified_files(self):

        """Commit -x foo should ignore changes to foo."""

        tree = self.make_branch_and_tree('.')

        self.build_tree(['a', 'b', 'c'])

        tree.smart_add(['.'])

        out, err = self.run_bzr(['commit', '-m', 'test', '-x', 'b'])

        self.assertFalse('added b' in out)

        self.assertFalse('added b' in err)

        # If b was excluded it will still be 'added' in status.

        out, err = self.run_bzr(['added'])

        self.assertEqual('b\n', out)

        self.assertEqual('', err)

    def test_commit_exclude_twice_uses_both_rules(self):

        """Commit -x foo -x bar should ignore changes to foo and bar."""

        tree = self.make_branch_and_tree('.')

        self.build_tree(['a', 'b', 'c'])

        tree.smart_add(['.'])

        out, err = self.run_bzr(['commit', '-m', 'test', '-x', 'b', '-x', 'c'])

        self.assertFalse('added b' in out)

        self.assertFalse('added c' in out)

        self.assertFalse('added b' in err)

        self.assertFalse('added c' in err)

        # If b was excluded it will still be 'added' in status.

        out, err = self.run_bzr(['added'])

        self.assertTrue('b\n' in out)

        self.assertTrue('c\n' in out)

        self.assertEqual('', err)

    def test_commit_respects_spec_for_removals(self):

        """Commit with a file spec should only commit removals that match"""

        t = self.make_branch_and_tree('.')

        self.build_tree(['file-a', 'dir-a/', 'dir-a/file-b'])

        t.add(['file-a', 'dir-a', 'dir-a/file-b'])

        t.commit('Create')

        t.remove(['file-a', 'dir-a/file-b'])

        os.chdir('dir-a')

        result = self.run_bzr('commit . -m removed-file-b')[1]

        self.assertNotContainsRe(result, 'file-a')

        result = self.run_bzr('status')[0]

        self.assertContainsRe(result, 'removed:\n  file-a')

    def test_strict_commit(self):

        """Commit with --strict works if everything is known"""

        ignores._set_user_ignores([])

        tree = self.make_branch_and_tree('tree')

        self.build_tree(['tree/a'])

        tree.add('a')

        # A simple change should just work

        self.run_bzr('commit --strict -m adding-a',

                     working_dir='tree')

    def test_strict_commit_no_changes(self):

        """commit --strict gives "no changes" if there is nothing to commit"""

        tree = self.make_branch_and_tree('tree')

        self.build_tree(['tree/a'])

        tree.add('a')

        tree.commit('adding a')

        # With no changes, it should just be 'no changes'

        # Make sure that commit is failing because there is nothing to do

        self.run_bzr_error(['No changes to commit'],

                           'commit --strict -m no-changes',

                           working_dir='tree')

        # But --strict doesn't care if you supply --unchanged

        self.run_bzr('commit --strict --unchanged -m no-changes',

                     working_dir='tree')

    def test_strict_commit_unknown(self):

        """commit --strict fails if a file is unknown"""

        tree = self.make_branch_and_tree('tree')

        self.build_tree(['tree/a'])

        tree.add('a')

        tree.commit('adding a')

        # Add one file so there is a change, but forget the other

        self.build_tree(['tree/b', 'tree/c'])

        tree.add('b')

        self.run_bzr_error(['Commit refused because there are unknown files'],

                           'commit --strict -m add-b',

                           working_dir='tree')

        # --no-strict overrides --strict

        self.run_bzr('commit --strict -m add-b --no-strict',

                     working_dir='tree')

    def test_fixes_bug_output(self):

        """commit --fixes=lp:23452 succeeds without output."""

        tree = self.make_branch_and_tree('tree')

        self.build_tree(['tree/hello.txt'])

        tree.add('hello.txt')

        output, err = self.run_bzr(

            'commit -m hello --fixes=lp:23452 tree/hello.txt')

        self.assertEqual('', output)

        self.assertContainsRe(err, 'Committing to: .*\n'

                              'added hello\.txt\n'

                              'Committed revision 1\.\n')

    def test_no_bugs_no_properties(self):

        """If no bugs are fixed, the bugs property is not set.

        see https://beta.launchpad.net/bzr/+bug/109613

        """

        tree = self.make_branch_and_tree('tree')

        self.build_tree(['tree/hello.txt'])

        tree.add('hello.txt')

        self.run_bzr( 'commit -m hello tree/hello.txt')

        # Get the revision properties, ignoring the branch-nick property, which

        # we don't care about for this test.

        last_rev = tree.branch.repository.get_revision(tree.last_revision())

        properties = dict(last_rev.properties)

        del properties['branch-nick']

        self.assertFalse('bugs' in properties)

    def test_fixes_bug_sets_property(self):

        """commit --fixes=lp:234 sets the lp:234 revprop to 'fixed'."""

        tree = self.make_branch_and_tree('tree')

        self.build_tree(['tree/hello.txt'])

        tree.add('hello.txt')

        self.run_bzr('commit -m hello --fixes=lp:234 tree/hello.txt')

        # Get the revision properties, ignoring the branch-nick property, which

        # we don't care about for this test.

        last_rev = tree.branch.repository.get_revision(tree.last_revision())

        properties = dict(last_rev.properties)

        del properties['branch-nick']

        self.assertEqual({'bugs': 'https://launchpad.net/bugs/234 fixed'},

                         properties)

    def test_fixes_multiple_bugs_sets_properties(self):

        """--fixes can be used more than once to show that bugs are fixed."""

        tree = self.make_branch_and_tree('tree')

        self.build_tree(['tree/hello.txt'])

        tree.add('hello.txt')

        self.run_bzr('commit -m hello --fixes=lp:123 --fixes=lp:235'

                     ' tree/hello.txt')

        # Get the revision properties, ignoring the branch-nick property, which

        # we don't care about for this test.

        last_rev = tree.branch.repository.get_revision(tree.last_revision())

        properties = dict(last_rev.properties)

        del properties['branch-nick']

        self.assertEqual(

            {'bugs': 'https://launchpad.net/bugs/123 fixed\n'

                     'https://launchpad.net/bugs/235 fixed'},

            properties)

    def test_fixes_bug_with_alternate_trackers(self):

        """--fixes can be used on a properly configured branch to mark bug

        fixes on multiple trackers.

        """

        tree = self.make_branch_and_tree('tree')

        tree.branch.get_config().set_user_option(

            'trac_twisted_url', 'http://twistedmatrix.com/trac')

        self.build_tree(['tree/hello.txt'])

        tree.add('hello.txt')

        self.run_bzr('commit -m hello --fixes=lp:123 --fixes=twisted:235 tree/')

        # Get the revision properties, ignoring the branch-nick property, which

        # we don't care about for this test.

        last_rev = tree.branch.repository.get_revision(tree.last_revision())

        properties = dict(last_rev.properties)

        del properties['branch-nick']

        self.assertEqual(

            {'bugs': 'https://launchpad.net/bugs/123 fixed\n'

                     'http://twistedmatrix.com/trac/ticket/235 fixed'},

            properties)

    def test_fixes_unknown_bug_prefix(self):

        tree = self.make_branch_and_tree('tree')

        self.build_tree(['tree/hello.txt'])

        tree.add('hello.txt')

        self.run_bzr_error(

            ["Unrecognized bug %s. Commit refused." % 'xxx:123'],

            'commit -m add-b --fixes=xxx:123',

            working_dir='tree')

    def test_fixes_invalid_bug_number(self):

        tree = self.make_branch_and_tree('tree')

        self.build_tree(['tree/hello.txt'])

        tree.add('hello.txt')

        self.run_bzr_error(

            ["Did not understand bug identifier orange: Must be an integer. "

             "See \"bzr help bugs\" for more information on this feature.\n"

             "Commit refused."],

            'commit -m add-b --fixes=lp:orange',

            working_dir='tree')

    def test_fixes_invalid_argument(self):

        """Raise an appropriate error when the fixes argument isn't tag:id."""

        tree = self.make_branch_and_tree('tree')