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# Copyright (C) 2007-2011 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 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_commit_timestamp(self):
"""You can set a date when committing."""
builder = self.make_branch_builder('foo')
rev_id = builder.build_commit(timestamp=1236043340)
branch = builder.get_branch()
self.assertEqual((1, rev_id), branch.last_revision_info())
rev = branch.repository.get_revision(branch.last_revision())
self.assertEqual(
'commit 1',
rev.message)
self.assertEqual(
1236043340,
int(rev.timestamp))
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('A-id', None,
[('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('B-id', None,
[('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_add_empty_dir(self):
builder = self.build_a_rev()
rev_id2 = builder.build_snapshot('B-id', None,
[('add', ('b', 'b-id', 'directory', None))])
rev_tree = builder.get_branch().repository.revision_tree('B-id')
self.assertTreeShape([(u'', 'a-root-id', 'directory'),
(u'a', 'a-id', 'file'),
(u'b', 'b-id', 'directory'),
], rev_tree)
def test_commit_timestamp(self):
builder = self.make_branch_builder('foo')
rev_id = builder.build_snapshot(None, None,
[('add', (u'', None, 'directory', None))],
timestamp=1234567890)
rev = builder.get_branch().repository.get_revision(rev_id)
self.assertEqual(
1234567890,
int(rev.timestamp))
def test_commit_message_default(self):
builder = BranchBuilder(self.get_transport().clone('foo'))
rev_id = builder.build_snapshot(None, None,
[('add', (u'', None, 'directory', None))])
branch = builder.get_branch()
rev = branch.repository.get_revision(rev_id)
self.assertEqual(u'commit 1', rev.message)
def test_commit_message_supplied(self):
builder = BranchBuilder(self.get_transport().clone('foo'))
rev_id = builder.build_snapshot(None, None,
[('add', (u'', None, 'directory', None))],
message=u'Foo')
branch = builder.get_branch()
rev = branch.repository.get_revision(rev_id)
self.assertEqual(u'Foo', rev.message)
def test_commit_message_callback(self):
builder = BranchBuilder(self.get_transport().clone('foo'))
rev_id = builder.build_snapshot(None, None,
[('add', (u'', None, 'directory', None))],
message_callback=lambda x:u'Foo')
branch = builder.get_branch()
rev = branch.repository.get_revision(rev_id)
self.assertEqual(u'Foo', rev.message)
def test_modify_file(self):
builder = self.build_a_rev()
rev_id2 = builder.build_snapshot('B-id', None,
[('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'))
def test_delete_file(self):
builder = self.build_a_rev()
rev_id2 = builder.build_snapshot('B-id', None,
[('unversion', 'a-id')])
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.assertTreeShape([(u'', 'a-root-id', 'directory')], rev_tree)
def test_delete_directory(self):
builder = self.build_a_rev()
rev_id2 = builder.build_snapshot('B-id', None,
[('add', ('b', 'b-id', 'directory', None)),
('add', ('b/c', 'c-id', 'file', 'foo\n')),
('add', ('b/d', 'd-id', 'directory', None)),
('add', ('b/d/e', 'e-id', 'file', 'eff\n')),
])
rev_tree = builder.get_branch().repository.revision_tree('B-id')
self.assertTreeShape([(u'', 'a-root-id', 'directory'),
(u'a', 'a-id', 'file'),
(u'b', 'b-id', 'directory'),
(u'b/c', 'c-id', 'file'),
(u'b/d', 'd-id', 'directory'),
(u'b/d/e', 'e-id', 'file')], rev_tree)
# Removing a directory removes all child dirs
builder.build_snapshot('C-id', None, [('unversion', 'b-id')])
rev_tree = builder.get_branch().repository.revision_tree('C-id')
self.assertTreeShape([(u'', 'a-root-id', 'directory'),
(u'a', 'a-id', 'file'),
], rev_tree)
def test_unknown_action(self):
builder = self.build_a_rev()
e = self.assertRaises(ValueError,
builder.build_snapshot, 'B-id', None, [('weirdo', ('foo',))])
self.assertEqual('Unknown build action: "weirdo"', str(e))
def test_rename(self):
builder = self.build_a_rev()
builder.build_snapshot('B-id', None,
[('rename', ('a', 'b'))])
rev_tree = builder.get_branch().repository.revision_tree('B-id')
self.assertTreeShape([(u'', 'a-root-id', 'directory'),
(u'b', 'a-id', 'file')], rev_tree)
def test_rename_into_subdir(self):
builder = self.build_a_rev()
builder.build_snapshot('B-id', None,
[('add', ('dir', 'dir-id', 'directory', None)),
('rename', ('a', 'dir/a'))])
rev_tree = builder.get_branch().repository.revision_tree('B-id')
self.assertTreeShape([(u'', 'a-root-id', 'directory'),
(u'dir', 'dir-id', 'directory'),
(u'dir/a', 'a-id', 'file')], rev_tree)
def test_rename_out_of_unversioned_subdir(self):
builder = self.build_a_rev()
builder.build_snapshot('B-id', None,
[('add', ('dir', 'dir-id', 'directory', None)),
('rename', ('a', 'dir/a'))])
builder.build_snapshot('C-id', None,
[('rename', ('dir/a', 'a')),
('unversion', 'dir-id')])
rev_tree = builder.get_branch().repository.revision_tree('C-id')
self.assertTreeShape([(u'', 'a-root-id', 'directory'),
(u'a', 'a-id', 'file')], rev_tree)
def test_set_parent(self):
builder = self.build_a_rev()
builder.start_series()
self.addCleanup(builder.finish_series)
builder.build_snapshot('B-id', ['A-id'],
[('modify', ('a-id', 'new\ncontent\n'))])
builder.build_snapshot('C-id', ['A-id'],
[('add', ('c', 'c-id', 'file', 'alt\ncontent\n'))])
# We should now have a graph:
# A
# |\
# C B
# And not A => B => C
repo = builder.get_branch().repository
self.assertEqual({'B-id': ('A-id',), 'C-id': ('A-id',)},
repo.get_parent_map(['B-id', 'C-id']))
b_tree = repo.revision_tree('B-id')
self.assertTreeShape([(u'', 'a-root-id', 'directory'),
(u'a', 'a-id', 'file'),
], b_tree)
self.assertEqual('new\ncontent\n', b_tree.get_file_text('a-id'))
# We should still be using the content from A in C, not from B
c_tree = repo.revision_tree('C-id')
self.assertTreeShape([(u'', 'a-root-id', 'directory'),
(u'a', 'a-id', 'file'),
(u'c', 'c-id', 'file'),
], c_tree)
self.assertEqual('contents', c_tree.get_file_text('a-id'))
self.assertEqual('alt\ncontent\n', c_tree.get_file_text('c-id'))
def test_set_merge_parent(self):
builder = self.build_a_rev()
builder.start_series()
self.addCleanup(builder.finish_series)
builder.build_snapshot('B-id', ['A-id'],
[('add', ('b', 'b-id', 'file', 'b\ncontent\n'))])
builder.build_snapshot('C-id', ['A-id'],
[('add', ('c', 'c-id', 'file', 'alt\ncontent\n'))])
builder.build_snapshot('D-id', ['B-id', 'C-id'], [])
repo = builder.get_branch().repository
self.assertEqual({'B-id': ('A-id',), 'C-id': ('A-id',),
'D-id': ('B-id', 'C-id')},
repo.get_parent_map(['B-id', 'C-id', 'D-id']))
d_tree = repo.revision_tree('D-id')
# Note: by default a merge node does *not* pull in the changes from the
# merged tree, you have to supply it yourself.
self.assertTreeShape([(u'', 'a-root-id', 'directory'),
(u'a', 'a-id', 'file'),
(u'b', 'b-id', 'file'),
], d_tree)
def test_set_merge_parent_and_contents(self):
builder = self.build_a_rev()
builder.start_series()
self.addCleanup(builder.finish_series)
builder.build_snapshot('B-id', ['A-id'],
[('add', ('b', 'b-id', 'file', 'b\ncontent\n'))])
builder.build_snapshot('C-id', ['A-id'],
[('add', ('c', 'c-id', 'file', 'alt\ncontent\n'))])
builder.build_snapshot('D-id', ['B-id', 'C-id'],
[('add', ('c', 'c-id', 'file', 'alt\ncontent\n'))])
repo = builder.get_branch().repository
self.assertEqual({'B-id': ('A-id',), 'C-id': ('A-id',),
'D-id': ('B-id', 'C-id')},
repo.get_parent_map(['B-id', 'C-id', 'D-id']))
d_tree = repo.revision_tree('D-id')
self.assertTreeShape([(u'', 'a-root-id', 'directory'),
(u'a', 'a-id', 'file'),
(u'b', 'b-id', 'file'),
(u'c', 'c-id', 'file'),
], d_tree)
# Because we copied the exact text into *this* tree, the 'c' file
# should look like it was not modified in the merge
self.assertEqual('C-id', d_tree.get_file_revision('c-id'))
def test_set_parent_to_null(self):
builder = self.build_a_rev()
builder.start_series()
self.addCleanup(builder.finish_series)
builder.build_snapshot('B-id', [],
[('add', ('', None, 'directory', None))])
# We should now have a graph:
# A B
# And not A => B
repo = builder.get_branch().repository
self.assertEqual({'A-id': (_mod_revision.NULL_REVISION,),
'B-id': (_mod_revision.NULL_REVISION,),},
repo.get_parent_map(['A-id', 'B-id']))
def test_start_finish_series(self):
builder = BranchBuilder(self.get_transport().clone('foo'))
builder.start_series()
try:
self.assertIsNot(None, builder._tree)
self.assertEqual('w', builder._tree._lock_mode)
self.assertTrue(builder._branch.is_locked())
finally:
builder.finish_series()
self.assertIs(None, builder._tree)
self.assertFalse(builder._branch.is_locked())
def test_ghost_mainline_history(self):
builder = BranchBuilder(self.get_transport().clone('foo'))
builder.start_series()
try:
builder.build_snapshot('tip', ['ghost'],
[('add', ('', 'ROOT_ID', 'directory', ''))],
allow_leftmost_as_ghost=True)
finally:
builder.finish_series()
b = builder.get_branch()
b.lock_read()
self.addCleanup(b.unlock)
self.assertEqual(('ghost',),
b.repository.get_graph().get_parent_map(['tip'])['tip'])
def test_unversion_root_add_new_root(self):
builder = BranchBuilder(self.get_transport().clone('foo'))
builder.start_series()
builder.build_snapshot('rev-1', None,
[('add', ('', 'TREE_ROOT', 'directory', ''))])
builder.build_snapshot('rev-2', None,
[('unversion', 'TREE_ROOT'),
('add', ('', 'my-root', 'directory', ''))])
builder.finish_series()
rev_tree = builder.get_branch().repository.revision_tree('rev-2')
self.assertTreeShape([(u'', 'my-root', 'directory')], rev_tree)
def test_empty_flush(self):
"""A flush with no actions before it is a no-op."""
builder = BranchBuilder(self.get_transport().clone('foo'))
builder.start_series()
builder.build_snapshot('rev-1', None,
[('add', ('', 'TREE_ROOT', 'directory', ''))])
builder.build_snapshot('rev-2', None, [('flush', None)])
builder.finish_series()
rev_tree = builder.get_branch().repository.revision_tree('rev-2')
self.assertTreeShape([(u'', 'TREE_ROOT', 'directory')], rev_tree)
def test_kind_change(self):
"""It's possible to change the kind of an entry in a single snapshot
with a bit of help from the 'flush' action.
"""
builder = BranchBuilder(self.get_transport().clone('foo'))
builder.start_series()
builder.build_snapshot('A-id', None,
[('add', (u'', 'a-root-id', 'directory', None)),
('add', (u'a', 'a-id', 'file', 'content\n'))])
builder.build_snapshot('B-id', None,
[('unversion', 'a-id'),
('flush', None),
('add', (u'a', 'a-id', 'directory', None))])
builder.finish_series()
rev_tree = builder.get_branch().repository.revision_tree('B-id')
self.assertTreeShape(
[(u'', 'a-root-id', 'directory'), (u'a', 'a-id', 'directory')],
rev_tree)
def test_pivot_root(self):
"""It's possible (albeit awkward) to move an existing dir to the root
in a single snapshot by using unversion then flush then add.
"""
builder = BranchBuilder(self.get_transport().clone('foo'))
builder.start_series()
builder.build_snapshot('A-id', None,
[('add', (u'', 'orig-root', 'directory', None)),
('add', (u'dir', 'dir-id', 'directory', None))])
builder.build_snapshot('B-id', None,
[('unversion', 'orig-root'), # implicitly unversions all children
('flush', None),
('add', (u'', 'dir-id', 'directory', None))])
builder.finish_series()
rev_tree = builder.get_branch().repository.revision_tree('B-id')
self.assertTreeShape([(u'', 'dir-id', 'directory')], rev_tree)
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