~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2006-2012 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

"""Black-box tests for bzr push."""

import re

from bzrlib import (

    branch,

    bzrdir,

    controldir,

    errors,

    osutils,

    tests,

    transport,

    uncommit,

    urlutils,

    workingtree

    )

from bzrlib.repofmt import knitrepo

from bzrlib.tests import (

    http_server,

    scenarios,

    script,

    test_foreign,

    )

from bzrlib.tests.matchers import ContainsNoVfsCalls

from bzrlib.transport import memory

load_tests = scenarios.load_tests_apply_scenarios

class TestPush(tests.TestCaseWithTransport):

    def test_push_error_on_vfs_http(self):

        """ pushing a branch to a HTTP server fails cleanly. """

        # the trunk is published on a web server

        self.transport_readonly_server = http_server.HttpServer

        self.make_branch('source')

        public_url = self.get_readonly_url('target')

        self.run_bzr_error(['http does not support mkdir'],

                           ['push', public_url],

                           working_dir='source')

    def test_push_suggests_parent_alias(self):

        """Push suggests using :parent if there is a known parent branch."""

        tree_a = self.make_branch_and_tree('a')

        tree_a.commit('this is a commit')

        tree_b = self.make_branch_and_tree('b')

        # If there is no parent location set, :parent isn't mentioned.

        out = self.run_bzr('push', working_dir='a', retcode=3)

        self.assertEquals(out,

                ('','bzr: ERROR: No push location known or specified.\n'))

        # If there is a parent location set, the error suggests :parent.

        tree_a.branch.set_parent(tree_b.branch.base)

        out = self.run_bzr('push', working_dir='a', retcode=3)

        self.assertEquals(out,

            ('','bzr: ERROR: No push location known or specified. '

                'To push to the parent branch '

                '(at %s), use \'bzr push :parent\'.\n' %

                urlutils.unescape_for_display(tree_b.branch.base, 'utf-8')))

    def test_push_remember(self):

        """Push changes from one branch to another and test push location."""

        transport = self.get_transport()

        tree_a = self.make_branch_and_tree('branch_a')

        branch_a = tree_a.branch

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

        tree_a.add('a')

        tree_a.commit('commit a')

        tree_b = branch_a.bzrdir.sprout('branch_b').open_workingtree()

        branch_b = tree_b.branch

        tree_c = branch_a.bzrdir.sprout('branch_c').open_workingtree()

        branch_c = tree_c.branch

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

        tree_a.add('b')

        tree_a.commit('commit b')

        self.build_tree(['branch_b/c'])

        tree_b.add('c')

        tree_b.commit('commit c')

        # initial push location must be empty

        self.assertEqual(None, branch_b.get_push_location())

        # test push for failure without push location set

        out = self.run_bzr('push', working_dir='branch_a', retcode=3)

        self.assertEquals(out,

                ('','bzr: ERROR: No push location known or specified.\n'))

        # test not remembered if cannot actually push

        self.run_bzr('push path/which/doesnt/exist',

                     working_dir='branch_a', retcode=3)

        out = self.run_bzr('push', working_dir='branch_a', retcode=3)

        self.assertEquals(

                ('', 'bzr: ERROR: No push location known or specified.\n'),

                out)

        # test implicit --remember when no push location set, push fails

        out = self.run_bzr('push ../branch_b',

                           working_dir='branch_a', retcode=3)

        self.assertEquals(out,

                ('','bzr: ERROR: These branches have diverged.  '

                 'See "bzr help diverged-branches" for more information.\n'))

        # Refresh the branch as 'push' modified it

        branch_a = branch_a.bzrdir.open_branch()

        self.assertEquals(osutils.abspath(branch_a.get_push_location()),

                          osutils.abspath(branch_b.bzrdir.root_transport.base))

        # test implicit --remember after resolving previous failure

        uncommit.uncommit(branch=branch_b, tree=tree_b)

        transport.delete('branch_b/c')

        out, err = self.run_bzr('push', working_dir='branch_a')

        # Refresh the branch as 'push' modified it

        branch_a = branch_a.bzrdir.open_branch()

        path = branch_a.get_push_location()

        self.assertEqual(err,

                         'Using saved push location: %s\n'

                         'All changes applied successfully.\n'

                         'Pushed up to revision 2.\n'

                         % urlutils.local_path_from_url(path))

        self.assertEqual(path,

                         branch_b.bzrdir.root_transport.base)

        # test explicit --remember

        self.run_bzr('push ../branch_c --remember', working_dir='branch_a')

        # Refresh the branch as 'push' modified it

        branch_a = branch_a.bzrdir.open_branch()

        self.assertEquals(branch_a.get_push_location(),

                          branch_c.bzrdir.root_transport.base)

    def test_push_without_tree(self):

        # bzr push from a branch that does not have a checkout should work.

        b = self.make_branch('.')

        out, err = self.run_bzr('push pushed-location')

        self.assertEqual('', out)

        self.assertEqual('Created new branch.\n', err)

        b2 = branch.Branch.open('pushed-location')

        self.assertEndsWith(b2.base, 'pushed-location/')

    def test_push_no_tree(self):

        # bzr push --no-tree of a branch with working trees

        b = self.make_branch_and_tree('push-from')

        self.build_tree(['push-from/file'])

        b.add('file')

        b.commit('commit 1')

        out, err = self.run_bzr('push --no-tree -d push-from push-to')

        self.assertEqual('', out)

        self.assertEqual('Created new branch.\n', err)

        self.assertPathDoesNotExist('push-to/file')

    def test_push_new_branch_revision_count(self):

        # bzr push of a branch with revisions to a new location

        # should print the number of revisions equal to the length of the

        # local branch.

        t = self.make_branch_and_tree('tree')

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

        t.add('file')

        t.commit('commit 1')

        out, err = self.run_bzr('push -d tree pushed-to')

        self.assertEqual('', out)

        self.assertEqual('Created new branch.\n', err)

    def test_push_quiet(self):

        # test that using -q makes output quiet

        t = self.make_branch_and_tree('tree')

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

        t.add('file')

        t.commit('commit 1')

        self.run_bzr('push -d tree pushed-to')

        # Refresh the branch as 'push' modified it and get the push location

        push_loc = t.branch.bzrdir.open_branch().get_push_location()

        out, err = self.run_bzr('push', working_dir="tree")

        self.assertEqual('Using saved push location: %s\n'

                         'No new revisions or tags to push.\n' %

                         urlutils.local_path_from_url(push_loc), err)

        out, err = self.run_bzr('push -q', working_dir="tree")

        self.assertEqual('', out)

        self.assertEqual('', err)

    def test_push_only_pushes_history(self):

        # Knit branches should only push the history for the current revision.

        format = bzrdir.BzrDirMetaFormat1()

        format.repository_format = knitrepo.RepositoryFormatKnit1()

        shared_repo = self.make_repository('repo', format=format, shared=True)

        shared_repo.set_make_working_trees(True)

        def make_shared_tree(path):

            shared_repo.bzrdir.root_transport.mkdir(path)

            controldir.ControlDir.create_branch_convenience('repo/' + path)

            return workingtree.WorkingTree.open('repo/' + path)

        tree_a = make_shared_tree('a')

        self.build_tree(['repo/a/file'])

        tree_a.add('file')

        tree_a.commit('commit a-1', rev_id='a-1')

        f = open('repo/a/file', 'ab')

        f.write('more stuff\n')

        f.close()

        tree_a.commit('commit a-2', rev_id='a-2')

        tree_b = make_shared_tree('b')

        self.build_tree(['repo/b/file'])

        tree_b.add('file')

        tree_b.commit('commit b-1', rev_id='b-1')

        self.assertTrue(shared_repo.has_revision('a-1'))

        self.assertTrue(shared_repo.has_revision('a-2'))

        self.assertTrue(shared_repo.has_revision('b-1'))

        # Now that we have a repository with shared files, make sure

        # that things aren't copied out by a 'push'

        self.run_bzr('push ../../push-b', working_dir='repo/b')

        pushed_tree = workingtree.WorkingTree.open('push-b')

        pushed_repo = pushed_tree.branch.repository

        self.assertFalse(pushed_repo.has_revision('a-1'))

        self.assertFalse(pushed_repo.has_revision('a-2'))

        self.assertTrue(pushed_repo.has_revision('b-1'))

    def test_push_funky_id(self):

        t = self.make_branch_and_tree('tree')

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

        t.add('filename', 'funky-chars<>%&;"\'')

        t.commit('commit filename')

        self.run_bzr('push -d tree new-tree')

    def test_push_dash_d(self):

        t = self.make_branch_and_tree('from')

        t.commit(allow_pointless=True,

                message='first commit')

        self.run_bzr('push -d from to-one')

        self.assertPathExists('to-one')

        self.run_bzr('push -d %s %s'

            % tuple(map(urlutils.local_path_to_url, ['from', 'to-two'])))

        self.assertPathExists('to-two')

    def test_push_repository_no_branch_doesnt_fetch_all_revs(self):

        # See https://bugs.launchpad.net/bzr/+bug/465517

        target_repo = self.make_repository('target')

        source = self.make_branch_builder('source')

        source.start_series()

        source.build_snapshot('A', None, [

            ('add', ('', 'root-id', 'directory', None))])

        source.build_snapshot('B', ['A'], [])

        source.build_snapshot('C', ['A'], [])

        source.finish_series()

        self.run_bzr('push target -d source')

        self.addCleanup(target_repo.lock_read().unlock)

        # We should have pushed 'C', but not 'B', since it isn't in the

        # ancestry

        self.assertEqual([('A',), ('C',)], sorted(target_repo.revisions.keys()))

    def test_push_smart_non_stacked_streaming_acceptance(self):

        self.setup_smart_server_with_call_log()

        t = self.make_branch_and_tree('from')

        t.commit(allow_pointless=True, message='first commit')

        self.reset_smart_call_log()

        self.run_bzr(['push', self.get_url('to-one')], working_dir='from')

        # This figure represent the amount of work to perform this use case. It

        # is entirely ok to reduce this number if a test fails due to rpc_count

        # being too low. If rpc_count increases, more network roundtrips have

        # become necessary for this use case. Please do not adjust this number

        # upwards without agreement from bzr's network support maintainers.

        self.assertLength(9, self.hpss_calls)

        self.assertLength(1, self.hpss_connections)

        self.assertThat(self.hpss_calls, ContainsNoVfsCalls)

    def test_push_smart_stacked_streaming_acceptance(self):

        self.setup_smart_server_with_call_log()

        parent = self.make_branch_and_tree('parent', format='1.9')

        parent.commit(message='first commit')

        local = parent.bzrdir.sprout('local').open_workingtree()

        local.commit(message='local commit')

        self.reset_smart_call_log()

        self.run_bzr(['push', '--stacked', '--stacked-on', '../parent',

            self.get_url('public')], working_dir='local')

        # This figure represent the amount of work to perform this use case. It

        # is entirely ok to reduce this number if a test fails due to rpc_count

        # being too low. If rpc_count increases, more network roundtrips have

        # become necessary for this use case. Please do not adjust this number

        # upwards without agreement from bzr's network support maintainers.

        self.assertLength(15, self.hpss_calls)

        self.assertLength(1, self.hpss_connections)

        self.assertThat(self.hpss_calls, ContainsNoVfsCalls)

        remote = branch.Branch.open('public')

        self.assertEndsWith(remote.get_stacked_on_url(), '/parent')

    def test_push_smart_tags_streaming_acceptance(self):

        self.setup_smart_server_with_call_log()

        t = self.make_branch_and_tree('from')

        rev_id = t.commit(allow_pointless=True, message='first commit')

        t.branch.tags.set_tag('new-tag', rev_id)

        self.reset_smart_call_log()

        self.run_bzr(['push', self.get_url('to-one')], working_dir='from')

        # This figure represent the amount of work to perform this use case. It

        # is entirely ok to reduce this number if a test fails due to rpc_count

        # being too low. If rpc_count increases, more network roundtrips have

        # become necessary for this use case. Please do not adjust this number

        # upwards without agreement from bzr's network support maintainers.

        self.assertLength(11, self.hpss_calls)

        self.assertLength(1, self.hpss_connections)

        self.assertThat(self.hpss_calls, ContainsNoVfsCalls)

    def test_push_smart_incremental_acceptance(self):

        self.setup_smart_server_with_call_log()

        t = self.make_branch_and_tree('from')

        rev_id1 = t.commit(allow_pointless=True, message='first commit')

        rev_id2 = t.commit(allow_pointless=True, message='second commit')

        self.run_bzr(

            ['push', self.get_url('to-one'), '-r1'], working_dir='from')

        self.reset_smart_call_log()

        self.run_bzr(['push', self.get_url('to-one')], working_dir='from')

        # This figure represent the amount of work to perform this use case. It

        # is entirely ok to reduce this number if a test fails due to rpc_count

        # being too low. If rpc_count increases, more network roundtrips have

        # become necessary for this use case. Please do not adjust this number

        # upwards without agreement from bzr's network support maintainers.

        self.assertLength(11, self.hpss_calls)

        self.assertLength(1, self.hpss_connections)

        self.assertThat(self.hpss_calls, ContainsNoVfsCalls)

    def test_push_smart_with_default_stacking_url_path_segment(self):

        # If the default stacked-on location is a path element then branches

        # we push there over the smart server are stacked and their

        # stacked_on_url is that exact path segment. Added to nail bug 385132.

        self.setup_smart_server_with_call_log()

        self.make_branch('stack-on', format='1.9')

        self.make_bzrdir('.').get_config().set_default_stack_on(

            '/stack-on')

        self.make_branch('from', format='1.9')

        out, err = self.run_bzr(['push', '-d', 'from', self.get_url('to')])

        b = branch.Branch.open(self.get_url('to'))

        self.assertEqual('/extra/stack-on', b.get_stacked_on_url())

    def test_push_smart_with_default_stacking_relative_path(self):

        # If the default stacked-on location is a relative path then branches

        # we push there over the smart server are stacked and their

        # stacked_on_url is a relative path. Added to nail bug 385132.

        self.setup_smart_server_with_call_log()

        self.make_branch('stack-on', format='1.9')

        self.make_bzrdir('.').get_config().set_default_stack_on('stack-on')

        self.make_branch('from', format='1.9')

        out, err = self.run_bzr(['push', '-d', 'from', self.get_url('to')])

        b = branch.Branch.open(self.get_url('to'))

        self.assertEqual('../stack-on', b.get_stacked_on_url())

    def create_simple_tree(self):

        tree = self.make_branch_and_tree('tree')

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

        tree.add(['a'], ['a-id'])

        tree.commit('one', rev_id='r1')

        return tree

    def test_push_create_prefix(self):

        """'bzr push --create-prefix' will create leading directories."""

        tree = self.create_simple_tree()

        self.run_bzr_error(['Parent directory of ../new/tree does not exist'],

                           'push ../new/tree',

                           working_dir='tree')

        self.run_bzr('push ../new/tree --create-prefix',

                     working_dir='tree')

        new_tree = workingtree.WorkingTree.open('new/tree')

        self.assertEqual(tree.last_revision(), new_tree.last_revision())

        self.assertPathExists('new/tree/a')

    def test_push_use_existing(self):

        """'bzr push --use-existing-dir' can push into an existing dir.

        By default, 'bzr push' will not use an existing, non-versioned dir.

        """

        tree = self.create_simple_tree()

        self.build_tree(['target/'])

        self.run_bzr_error(['Target directory ../target already exists',

                            'Supply --use-existing-dir',

                           ],

                           'push ../target', working_dir='tree')

        self.run_bzr('push --use-existing-dir ../target',

                     working_dir='tree')

        new_tree = workingtree.WorkingTree.open('target')

        self.assertEqual(tree.last_revision(), new_tree.last_revision())

        # The push should have created target/a

        self.assertPathExists('target/a')

    def test_push_use_existing_into_empty_bzrdir(self):

        """'bzr push --use-existing-dir' into a dir with an empty .bzr dir

        fails.

        """

        tree = self.create_simple_tree()

        self.build_tree(['target/', 'target/.bzr/'])

        self.run_bzr_error(

            ['Target directory ../target already contains a .bzr directory, '

             'but it is not valid.'],

            'push ../target --use-existing-dir', working_dir='tree')

    def test_push_onto_repo(self):

        """We should be able to 'bzr push' into an existing bzrdir."""

        tree = self.create_simple_tree()

        repo = self.make_repository('repo', shared=True)

        self.run_bzr('push ../repo',

                     working_dir='tree')

        # Pushing onto an existing bzrdir will create a repository and

        # branch as needed, but will only create a working tree if there was

        # no BzrDir before.

        self.assertRaises(errors.NoWorkingTree,

                          workingtree.WorkingTree.open, 'repo')

        new_branch = branch.Branch.open('repo')

        self.assertEqual(tree.last_revision(), new_branch.last_revision())

    def test_push_onto_just_bzrdir(self):

        """We don't handle when the target is just a bzrdir.

        Because you shouldn't be able to create *just* a bzrdir in the wild.

        """

        # TODO: jam 20070109 Maybe it would be better to create the repository

        #       if at this point

        tree = self.create_simple_tree()

        a_bzrdir = self.make_bzrdir('dir')

        self.run_bzr_error(['At ../dir you have a valid .bzr control'],

                'push ../dir',

                working_dir='tree')

    def test_push_with_revisionspec(self):

        """We should be able to push a revision older than the tip."""

        tree_from = self.make_branch_and_tree('from')

        tree_from.commit("One.", rev_id="from-1")

        tree_from.commit("Two.", rev_id="from-2")

        self.run_bzr('push -r1 ../to', working_dir='from')

        tree_to = workingtree.WorkingTree.open('to')

        repo_to = tree_to.branch.repository

        self.assertTrue(repo_to.has_revision('from-1'))

        self.assertFalse(repo_to.has_revision('from-2'))

        self.assertEqual(tree_to.branch.last_revision_info()[1], 'from-1')

        self.assertFalse(

            tree_to.changes_from(tree_to.basis_tree()).has_changed())

        self.run_bzr_error(

            ['bzr: ERROR: bzr push --revision '

             'takes exactly one revision identifier\n'],

            'push -r0..2 ../to', working_dir='from')

    def create_trunk_and_feature_branch(self):

        # We have a mainline

        trunk_tree = self.make_branch_and_tree('target',

            format='1.9')

        trunk_tree.commit('mainline')

        # and a branch from it

        branch_tree = self.make_branch_and_tree('branch',

            format='1.9')

        branch_tree.pull(trunk_tree.branch)

        branch_tree.branch.set_parent(trunk_tree.branch.base)

        # with some work on it

        branch_tree.commit('moar work plz')

        return trunk_tree, branch_tree

    def assertPublished(self, branch_revid, stacked_on):

        """Assert that the branch 'published' has been published correctly."""

        published_branch = branch.Branch.open('published')

        # The published branch refers to the mainline

        self.assertEqual(stacked_on, published_branch.get_stacked_on_url())

        # and the branch's work was pushed

        self.assertTrue(published_branch.repository.has_revision(branch_revid))

    def test_push_new_branch_stacked_on(self):

        """Pushing a new branch with --stacked-on creates a stacked branch."""

        trunk_tree, branch_tree = self.create_trunk_and_feature_branch()

        # we publish branch_tree with a reference to the mainline.

        out, err = self.run_bzr(['push', '--stacked-on', trunk_tree.branch.base,

            self.get_url('published')], working_dir='branch')

        self.assertEqual('', out)

        self.assertEqual('Created new stacked branch referring to %s.\n' %

            trunk_tree.branch.base, err)

        self.assertPublished(branch_tree.last_revision(),

            trunk_tree.branch.base)

    def test_push_new_branch_stacked_uses_parent_when_no_public_url(self):

        """When the parent has no public url the parent is used as-is."""

        trunk_tree, branch_tree = self.create_trunk_and_feature_branch()

        # now we do a stacked push, which should determine the public location

        # for us.

        out, err = self.run_bzr(['push', '--stacked',

            self.get_url('published')], working_dir='branch')

        self.assertEqual('', out)

        self.assertEqual('Created new stacked branch referring to %s.\n' %

            trunk_tree.branch.base, err)

        self.assertPublished(branch_tree.last_revision(),

                             trunk_tree.branch.base)

    def test_push_new_branch_stacked_uses_parent_public(self):

        """Pushing a new branch with --stacked creates a stacked branch."""

        trunk_tree, branch_tree = self.create_trunk_and_feature_branch()

        # the trunk is published on a web server

        self.transport_readonly_server = http_server.HttpServer

        trunk_public = self.make_branch('public_trunk', format='1.9')

        trunk_public.pull(trunk_tree.branch)

        trunk_public_url = self.get_readonly_url('public_trunk')

        br = trunk_tree.branch

        br.set_public_branch(trunk_public_url)

        # now we do a stacked push, which should determine the public location

        # for us.

        out, err = self.run_bzr(['push', '--stacked',

            self.get_url('published')], working_dir='branch')

        self.assertEqual('', out)

        self.assertEqual('Created new stacked branch referring to %s.\n' %

            trunk_public_url, err)

        self.assertPublished(branch_tree.last_revision(), trunk_public_url)

    def test_push_new_branch_stacked_no_parent(self):

        """Pushing with --stacked and no parent branch errors."""

        branch = self.make_branch_and_tree('branch', format='1.9')

        # now we do a stacked push, which should fail as the place to refer too

        # cannot be determined.

        out, err = self.run_bzr_error(

            ['Could not determine branch to refer to\\.'], ['push', '--stacked',

            self.get_url('published')], working_dir='branch')

        self.assertEqual('', out)

        self.assertFalse(self.get_transport('published').has('.'))

    def test_push_notifies_default_stacking(self):

        self.make_branch('stack_on', format='1.6')

        self.make_bzrdir('.').get_config().set_default_stack_on('stack_on')

        self.make_branch('from', format='1.6')

        out, err = self.run_bzr('push -d from to')

        self.assertContainsRe(err,

                              'Using default stacking branch stack_on at .*')

    def test_push_stacks_with_default_stacking_if_target_is_stackable(self):

        self.make_branch('stack_on', format='1.6')

        self.make_bzrdir('.').get_config().set_default_stack_on('stack_on')

        self.make_branch('from', format='pack-0.92')

        out, err = self.run_bzr('push -d from to')

        b = branch.Branch.open('to')

        self.assertEqual('../stack_on', b.get_stacked_on_url())

    def test_push_does_not_change_format_with_default_if_target_cannot(self):

        self.make_branch('stack_on', format='pack-0.92')

        self.make_bzrdir('.').get_config().set_default_stack_on('stack_on')

        self.make_branch('from', format='pack-0.92')

        out, err = self.run_bzr('push -d from to')

        b = branch.Branch.open('to')

        self.assertRaises(errors.UnstackableBranchFormat, b.get_stacked_on_url)

    def test_push_doesnt_create_broken_branch(self):

        """Pushing a new standalone branch works even when there's a default

        stacking policy at the destination.

        The new branch will preserve the repo format (even if it isn't the

        default for the branch), and will be stacked when the repo format

        allows (which means that the branch format isn't necessarly preserved).

        """

        self.make_repository('repo', shared=True, format='1.6')

        builder = self.make_branch_builder('repo/local', format='pack-0.92')

        builder.start_series()

        builder.build_snapshot('rev-1', None, [

            ('add', ('', 'root-id', 'directory', '')),