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# Copyright (C) 2005 by 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
import os
from bzrlib.selftest import TestCaseInTempDir
from bzrlib.branch import Branch
from bzrlib.commit import Commit
from bzrlib.errors import PointlessCommit, BzrError
# TODO: Test commit with some added, and added-but-missing files
class TestCommit(TestCaseInTempDir):
def test_simple_commit(self):
"""Commit and check two versions of a single file."""
b = Branch.initialize('.')
file('hello', 'w').write('hello world')
b.add('hello')
b.commit(message='add hello')
file_id = b.working_tree().path2id('hello')
file('hello', 'w').write('version 2')
b.commit(message='commit 2')
eq = self.assertEquals
eq(b.revno(), 2)
rh = b.revision_history()
rev = b.get_revision(rh[0])
eq(rev.message, 'add hello')
tree1 = b.revision_tree(rh[0])
text = tree1.get_file_text(file_id)
eq(text, 'hello world')
tree2 = b.revision_tree(rh[1])
eq(tree2.get_file_text(file_id), 'version 2')
def test_delete_commit(self):
"""Test a commit with a deleted file"""
b = Branch.initialize('.')
file('hello', 'w').write('hello world')
b.add(['hello'], ['hello-id'])
b.commit(message='add hello')
os.remove('hello')
b.commit('removed hello', rev_id='rev2')
tree = b.revision_tree('rev2')
self.assertFalse(tree.has_id('hello-id'))
def test_pointless_commit(self):
"""Commit refuses unless there are changes or it's forced."""
b = Branch.initialize('.')
file('hello', 'w').write('hello')
b.add(['hello'])
b.commit(message='add hello')
self.assertEquals(b.revno(), 1)
self.assertRaises(PointlessCommit,
b.commit,
message='fails',
allow_pointless=False)
self.assertEquals(b.revno(), 1)
def test_commit_empty(self):
"""Commiting an empty tree works."""
b = Branch.initialize('.')
b.commit(message='empty tree', allow_pointless=True)
self.assertRaises(PointlessCommit,
b.commit,
message='empty tree',
allow_pointless=False)
b.commit(message='empty tree', allow_pointless=True)
self.assertEquals(b.revno(), 2)
def test_selective_delete(self):
"""Selective commit in tree with deletions"""
b = Branch.initialize('.')
file('hello', 'w').write('hello')
file('buongia', 'w').write('buongia')
b.add(['hello', 'buongia'],
['hello-id', 'buongia-id'])
b.commit(message='add files',
rev_id='test@rev-1')
os.remove('hello')
file('buongia', 'w').write('new text')
b.commit(message='update text',
specific_files=['buongia'],
allow_pointless=False,
rev_id='test@rev-2')
b.commit(message='remove hello',
specific_files=['hello'],
allow_pointless=False,
rev_id='test@rev-3')
eq = self.assertEquals
eq(b.revno(), 3)
tree2 = b.revision_tree('test@rev-2')
self.assertTrue(tree2.has_filename('hello'))
self.assertEquals(tree2.get_file_text('hello-id'), 'hello')
self.assertEquals(tree2.get_file_text('buongia-id'), 'new text')
tree3 = b.revision_tree('test@rev-3')
self.assertFalse(tree3.has_filename('hello'))
self.assertEquals(tree3.get_file_text('buongia-id'), 'new text')
def test_commit_rename(self):
"""Test commit of a revision where a file is renamed."""
b = Branch.initialize('.')
self.build_tree(['hello'])
b.add(['hello'], ['hello-id'])
b.commit(message='one', rev_id='test@rev-1', allow_pointless=False)
b.rename_one('hello', 'fruity')
b.commit(message='renamed', rev_id='test@rev-2', allow_pointless=False)
eq = self.assertEquals
tree1 = b.revision_tree('test@rev-1')
eq(tree1.id2path('hello-id'), 'hello')
eq(tree1.get_file_text('hello-id'), 'contents of hello\n')
self.assertFalse(tree1.has_filename('fruity'))
self.check_inventory_shape(tree1.inventory, ['hello'])
ie = tree1.inventory['hello-id']
eq(ie.name_version, 'test@rev-1')
tree2 = b.revision_tree('test@rev-2')
eq(tree2.id2path('hello-id'), 'fruity')
eq(tree2.get_file_text('hello-id'), 'contents of hello\n')
self.check_inventory_shape(tree2.inventory, ['fruity'])
ie = tree2.inventory['hello-id']
eq(ie.name_version, 'test@rev-2')
def test_reused_rev_id(self):
"""Test that a revision id cannot be reused in a branch"""
b = Branch.initialize('.')
b.commit('initial', rev_id='test@rev-1', allow_pointless=True)
self.assertRaises(Exception,
b.commit,
message='reused id',
rev_id='test@rev-1',
allow_pointless=True)
def test_commit_move(self):
"""Test commit of revisions with moved files and directories"""
eq = self.assertEquals
b = Branch.initialize('.')
r1 = 'test@rev-1'
self.build_tree(['hello', 'a/', 'b/'])
b.add(['hello', 'a', 'b'], ['hello-id', 'a-id', 'b-id'])
b.commit('initial', rev_id=r1, allow_pointless=False)
b.move(['hello'], 'a')
r2 = 'test@rev-2'
b.commit('two', rev_id=r2, allow_pointless=False)
self.check_inventory_shape(b.inventory,
['a', 'a/hello', 'b'])
b.move(['b'], 'a')
r3 = 'test@rev-3'
b.commit('three', rev_id=r3, allow_pointless=False)
self.check_inventory_shape(b.inventory,
['a', 'a/hello', 'a/b'])
self.check_inventory_shape(b.get_revision_inventory(r3),
['a', 'a/hello', 'a/b'])
b.move([os.sep.join(['a', 'hello'])],
os.sep.join(['a', 'b']))
r4 = 'test@rev-4'
b.commit('four', rev_id=r4, allow_pointless=False)
self.check_inventory_shape(b.inventory,
['a', 'a/b/hello', 'a/b'])
inv = b.get_revision_inventory(r4)
eq(inv['hello-id'].name_version, r4)
eq(inv['a-id'].name_version, r1)
eq(inv['b-id'].name_version, r3)
def test_removed_commit(self):
"""Test a commit with a removed file"""
b = Branch.initialize('.')
file('hello', 'w').write('hello world')
b.add(['hello'], ['hello-id'])
b.commit(message='add hello')
b.remove('hello')
b.commit('removed hello', rev_id='rev2')
tree = b.revision_tree('rev2')
self.assertFalse(tree.has_id('hello-id'))
def test_committed_ancestry(self):
"""Test commit appends revisions to ancestry."""
b = Branch.initialize('.')
rev_ids = []
for i in range(4):
file('hello', 'w').write((str(i) * 4) + '\n')
if i == 0:
b.add(['hello'], ['hello-id'])
rev_id = 'test@rev-%d' % (i+1)
rev_ids.append(rev_id)
b.commit(message='rev %d' % (i+1),
rev_id=rev_id)
eq = self.assertEquals
eq(b.revision_history(), rev_ids)
for i in range(4):
anc = b.get_ancestry(rev_ids[i])
eq(anc, [None] + rev_ids[:i+1])
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