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Viewing changes to bzrlib/tests/per_branch/test_create_clone.py

  • Committer: Martin von Gagern
  • Date: 2010-04-20 08:47:38 UTC
  • mfrom: (5167 +trunk)
  • mto: This revision was merged to the branch mainline in revision 5195.
  • Revision ID: martin.vgagern@gmx.net-20100420084738-ygymnqmdllzrhpfn
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bzrlib/tests/per_branch/test_create_clone.py
 
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# Copyright (C) 2009, 2010 Canonical Ltd
 
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#
 
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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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#
 
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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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#
 
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
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"""Tests for branch.create_clone behaviour."""
 
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from bzrlib import (
 
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    branch,
 
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    errors,
 
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    remote,
 
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    tests,
 
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    )
 
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from bzrlib.tests import per_branch
 
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class TestCreateClone(per_branch.TestCaseWithBranch):
 
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    def test_create_clone_on_transport_missing_parent_dir(self):
 
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        tree = self.make_branch_and_tree('source')
 
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        tree.commit('a commit')
 
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        source = tree.branch
 
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        target_transport = self.get_transport('subdir').clone('target')
 
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        self.assertRaises(errors.NoSuchFile,
 
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            tree.branch.create_clone_on_transport, target_transport)
 
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        self.assertFalse(self.get_transport('.').has('subdir'))
 
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    def test_create_clone_on_transport_missing_parent_dir_create(self):
 
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        tree = self.make_branch_and_tree('source')
 
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        tree.commit('a commit')
 
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        source = tree.branch
 
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        target_transport = self.get_transport('subdir').clone('target')
 
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        result = tree.branch.create_clone_on_transport(target_transport,
 
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            create_prefix=True)
 
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        self.assertEqual(source.last_revision(), result.last_revision())
 
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        self.assertEqual(target_transport.base,
 
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            result.bzrdir.root_transport.base)
 
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    def test_create_clone_on_transport_use_existing_dir_false(self):
 
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        tree = self.make_branch_and_tree('source')
 
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        tree.commit('a commit')
 
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        source = tree.branch
 
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        target_transport = self.get_transport('target')
 
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        target_transport.create_prefix()
 
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        self.assertRaises(errors.FileExists,
 
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            tree.branch.create_clone_on_transport, target_transport)
 
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        self.assertFalse(target_transport.has(".bzr"))
 
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    def test_create_clone_on_transport_use_existing_dir_true(self):
 
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        tree = self.make_branch_and_tree('source')
 
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        tree.commit('a commit')
 
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        source = tree.branch
 
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        target_transport = self.get_transport('target')
 
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        target_transport.create_prefix()
 
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        result = tree.branch.create_clone_on_transport(target_transport,
 
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            use_existing_dir=True)
 
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        self.assertEqual(source.last_revision(), result.last_revision())
 
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    def test_create_clone_on_transport_no_revision_id(self):
 
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        tree = self.make_branch_and_tree('source')
 
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        tree.commit('a commit')
 
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        source = tree.branch
 
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        target_transport = self.get_transport('target')
 
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        result = tree.branch.create_clone_on_transport(target_transport)
 
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        self.assertEqual(source.last_revision(), result.last_revision())
 
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    def test_create_clone_on_transport_revision_id(self):
 
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        tree = self.make_branch_and_tree('source')
 
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        old_revid = tree.commit('a commit')
 
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        source_tip = tree.commit('a second commit')
 
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        source = tree.branch
 
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        target_transport = self.get_transport('target')
 
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        result = tree.branch.create_clone_on_transport(target_transport,
 
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            revision_id=old_revid)
 
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        self.assertEqual(old_revid, result.last_revision())
 
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        result.lock_read()
 
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        self.addCleanup(result.unlock)
 
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        self.assertFalse(result.repository.has_revision(source_tip))
 
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    def test_create_clone_on_transport_stacked(self):
 
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        tree = self.make_branch_and_tree('source')
 
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        tree.commit('a commit')
 
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        trunk = tree.branch.create_clone_on_transport(
 
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            self.get_transport('trunk'))
 
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        revid = tree.commit('a second commit')
 
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        source = tree.branch
 
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        target_transport = self.get_transport('target')
 
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        result = tree.branch.create_clone_on_transport(target_transport,
 
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            stacked_on=trunk.base)
 
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        self.assertEqual(revid, result.last_revision())
 
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        self.assertEqual(trunk.base, result.get_stacked_on_url())
 
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    def test_create_clone_of_multiple_roots(self):
 
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        try:
 
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            builder = self.make_branch_builder('local')
 
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        except (errors.TransportNotPossible, errors.UninitializableFormat):
 
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            raise tests.TestNotApplicable('format not directly constructable')
 
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        builder.start_series()
 
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        builder.build_snapshot('rev1', None, [
 
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            ('add', ('', 'root-id', 'directory', ''))])
 
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        builder.build_snapshot('rev2', ['rev1'], [])
 
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        builder.build_snapshot('other', None, [
 
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            ('add', ('', 'root-id', 'directory', ''))])
 
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        builder.build_snapshot('rev3', ['rev2', 'other'], [])
 
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        builder.finish_series()
 
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        local = builder.get_branch()
 
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        local.bzrdir.clone(self.get_url('remote'), revision_id='rev3')
 
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    def assertBranchHookBranchIsStacked(self, pre_change_params):
 
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        # Just calling will either succeed or fail.
 
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        pre_change_params.branch.get_stacked_on_url()
 
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        self.hook_calls.append(pre_change_params)
 
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    def test_create_clone_on_transport_stacked_hooks_get_stacked_branch(self):
 
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        tree = self.make_branch_and_tree('source')
 
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        tree.commit('a commit')
 
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        trunk = tree.branch.create_clone_on_transport(
 
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            self.get_transport('trunk'))
 
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        revid = tree.commit('a second commit')
 
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        source = tree.branch
 
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        target_transport = self.get_transport('target')
 
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        self.hook_calls = []
 
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        branch.Branch.hooks.install_named_hook(
 
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            'pre_change_branch_tip', self.assertBranchHookBranchIsStacked, None)
 
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        result = tree.branch.create_clone_on_transport(target_transport,
 
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            stacked_on=trunk.base)
 
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        self.assertEqual(revid, result.last_revision())
 
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        self.assertEqual(trunk.base, result.get_stacked_on_url())
 
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        # Smart servers invoke hooks on both sides
 
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        if isinstance(result, remote.RemoteBranch):
 
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            expected_calls = 2
 
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        else:
 
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            expected_calls = 1
 
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        self.assertEqual(expected_calls, len(self.hook_calls))