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# Copyright (C) 2007 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""Tests for the BranchBuilder class."""
from bzrlib import (
branch as _mod_branch,
revision as _mod_revision,
tests,
)
from bzrlib.branchbuilder import BranchBuilder
class TestBranchBuilder(tests.TestCaseWithMemoryTransport):
def test_create(self):
"""Test the constructor api."""
builder = BranchBuilder(self.get_transport().clone('foo'))
# we dont care if the branch has been built or not at this point.
def test_get_branch(self):
"""get_branch returns the created branch."""
builder = BranchBuilder(self.get_transport().clone('foo'))
branch = builder.get_branch()
self.assertIsInstance(branch, _mod_branch.Branch)
self.assertEqual(self.get_transport().clone('foo').base,
branch.base)
self.assertEqual(
(0, _mod_revision.NULL_REVISION),
branch.last_revision_info())
def test_format(self):
"""Making a BranchBuilder with a format option sets the branch type."""
builder = BranchBuilder(self.get_transport(), format='dirstate-tags')
branch = builder.get_branch()
self.assertIsInstance(branch, _mod_branch.BzrBranch6)
def test_build_one_commit(self):
"""doing build_commit causes a commit to happen."""
builder = BranchBuilder(self.get_transport().clone('foo'))
rev_id = builder.build_commit()
branch = builder.get_branch()
self.assertEqual((1, rev_id), branch.last_revision_info())
self.assertEqual(
'commit 1',
branch.repository.get_revision(branch.last_revision()).message)
def test_build_two_commits(self):
"""The second commit has the right parents and message."""
builder = BranchBuilder(self.get_transport().clone('foo'))
rev_id1 = builder.build_commit()
rev_id2 = builder.build_commit()
branch = builder.get_branch()
self.assertEqual((2, rev_id2), branch.last_revision_info())
self.assertEqual(
'commit 2',
branch.repository.get_revision(branch.last_revision()).message)
self.assertEqual(
[rev_id1],
branch.repository.get_revision(branch.last_revision()).parent_ids)
class TestBranchBuilderBuildSnapshot(tests.TestCaseWithMemoryTransport):
def assertTreeShape(self, expected_shape, tree):
"""Check that the tree shape matches expectations."""
tree.lock_read()
try:
entries = [(path, ie.file_id, ie.kind)
for path, ie in tree.iter_entries_by_dir()]
finally:
tree.unlock()
self.assertEqual(expected_shape, entries)
def build_a_rev(self):
builder = BranchBuilder(self.get_transport().clone('foo'))
rev_id1 = builder.build_snapshot(None, 'A-id',
[('add', ('', 'a-root-id', 'directory', None)),
('add', ('a', 'a-id', 'file', 'contents'))])
self.assertEqual('A-id', rev_id1)
return builder
def test_add_one_file(self):
builder = self.build_a_rev()
branch = builder.get_branch()
self.assertEqual((1, 'A-id'), branch.last_revision_info())
rev_tree = branch.repository.revision_tree('A-id')
rev_tree.lock_read()
self.addCleanup(rev_tree.unlock)
self.assertTreeShape([(u'', 'a-root-id', 'directory'),
(u'a', 'a-id', 'file')], rev_tree)
self.assertEqual('contents', rev_tree.get_file_text('a-id'))
def test_add_second_file(self):
builder = self.build_a_rev()
rev_id2 = builder.build_snapshot(None, 'B-id',
[('add', ('b', 'b-id', 'file', 'content_b'))])
self.assertEqual('B-id', rev_id2)
branch = builder.get_branch()
self.assertEqual((2, rev_id2), branch.last_revision_info())
rev_tree = branch.repository.revision_tree(rev_id2)
rev_tree.lock_read()
self.addCleanup(rev_tree.unlock)
self.assertTreeShape([(u'', 'a-root-id', 'directory'),
(u'a', 'a-id', 'file'),
(u'b', 'b-id', 'file')], rev_tree)
self.assertEqual('content_b', rev_tree.get_file_text('b-id'))
def test_modify_file(self):
builder = self.build_a_rev()
rev_id2 = builder.build_snapshot(None, 'B-id',
[('modify', ('a-id', 'new\ncontent\n'))])
self.assertEqual('B-id', rev_id2)
branch = builder.get_branch()
rev_tree = branch.repository.revision_tree(rev_id2)
rev_tree.lock_read()
self.addCleanup(rev_tree.unlock)
self.assertEqual('new\ncontent\n', rev_tree.get_file_text('a-id'))
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