# Copyright (C) 2006, 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
import os
from bzrlib import errors,tests,workingtree,workingtree_4
from bzrlib.tests.per_workingtree import TestCaseWithWorkingTree
TREES_NOT_SUPPORTING_REFERENCES = (workingtree.WorkingTree2,
workingtree.WorkingTree3,
workingtree_4.WorkingTree4)
class TestBasisInventory(TestCaseWithWorkingTree):
def make_trees(self):
tree = self.make_branch_and_tree('tree')
tree.set_root_id('root-id')
self.build_tree(['tree/file1'])
tree.add('file1', 'file1-id')
sub_tree = self.make_branch_and_tree('tree/sub-tree')
sub_tree.set_root_id('sub-tree-root-id')
sub_tree.commit('commit', rev_id='sub_1')
return tree, sub_tree
def _references_unsupported(self, tree):
if tree.__class__ in TREES_NOT_SUPPORTING_REFERENCES:
raise tests.TestSkipped('Tree format does not support references')
else:
self.fail('%r does not support references but should'
% (tree, ))
def make_nested_trees(self):
tree, sub_tree = self.make_trees()
try:
tree.add_reference(sub_tree)
except errors.UnsupportedOperation:
self._references_unsupported(tree)
return tree, sub_tree
def test_add_reference(self):
self.make_nested_trees()
tree = workingtree.WorkingTree.open('tree')
tree.lock_write()
try:
self.assertEqual(tree.path2id('sub-tree'), 'sub-tree-root-id')
self.assertEqual(tree.inventory['sub-tree-root-id'].kind,
'tree-reference')
tree.commit('commit reference')
basis = tree.basis_tree()
basis.lock_read()
try:
sub_tree = tree.get_nested_tree('sub-tree-root-id')
self.assertEqual(sub_tree.last_revision(),
tree.get_reference_revision('sub-tree-root-id'))
finally:
basis.unlock()
finally:
tree.unlock()
def test_add_reference_same_root(self):
tree = self.make_branch_and_tree('tree')
self.build_tree(['tree/file1'])
tree.add('file1', 'file1-id')
tree.set_root_id('root-id')
sub_tree = self.make_branch_and_tree('tree/sub-tree')
sub_tree.set_root_id('root-id')
try:
self.assertRaises(errors.BadReferenceTarget, tree.add_reference,
sub_tree)
except errors.UnsupportedOperation:
self._references_unsupported(tree)
def test_root_present(self):
"""Subtree root is present, though not the working tree root"""
tree, sub_tree = self.make_trees()
sub_tree.set_root_id('file1-id')
try:
self.assertRaises(errors.BadReferenceTarget, tree.add_reference,
sub_tree)
except errors.UnsupportedOperation:
self._references_unsupported(tree)
def test_add_non_subtree(self):
tree, sub_tree = self.make_trees()
os.rename('tree/sub-tree', 'sibling')
sibling = workingtree.WorkingTree.open('sibling')
try:
self.assertRaises(errors.BadReferenceTarget, tree.add_reference,
sibling)
except errors.UnsupportedOperation:
self._references_unsupported(tree)
def test_get_nested_tree(self):
tree, sub_tree = self.make_nested_trees()
tree.lock_read()
try:
sub_tree2 = tree.get_nested_tree('sub-tree-root-id')
self.assertEqual(sub_tree.basedir, sub_tree2.basedir)
sub_tree2 = tree.get_nested_tree('sub-tree-root-id', 'sub-tree')
finally:
tree.unlock()
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