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Viewing changes to bzrlib/selftest/test_commit.py

  • Committer: Martin Pool
  • Date: 2005-09-16 09:19:54 UTC
  • Revision ID: mbp@sourcefrog.net-20050916091954-aee6d7be00db6354
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# Copyright (C) 2005 by Canonical Ltd
 
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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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# 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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# 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
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import os
 
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from bzrlib.selftest import TestCaseInTempDir
 
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from bzrlib.branch import Branch
 
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from bzrlib.commit import Commit
 
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from bzrlib.errors import PointlessCommit, BzrError
 
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# TODO: Test commit with some added, and added-but-missing files
 
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class TestCommit(TestCaseInTempDir):
 
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    def test_simple_commit(self):
 
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        """Commit and check two versions of a single file."""
 
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        b = Branch('.', init=True)
 
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        file('hello', 'w').write('hello world')
 
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        b.add('hello')
 
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        b.commit(message='add hello')
 
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        file_id = b.working_tree().path2id('hello')
 
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        file('hello', 'w').write('version 2')
 
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        b.commit(message='commit 2')
 
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        eq = self.assertEquals
 
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        eq(b.revno(), 2)
 
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        rh = b.revision_history()
 
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        rev = b.get_revision(rh[0])
 
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        eq(rev.message, 'add hello')
 
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        tree1 = b.revision_tree(rh[0])
 
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        text = tree1.get_file_text(file_id)
 
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        eq(text, 'hello world')
 
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        tree2 = b.revision_tree(rh[1])
 
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        eq(tree2.get_file_text(file_id), 'version 2')
 
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    def test_delete_commit(self):
 
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        """Test a commit with a deleted file"""
 
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        b = Branch('.', init=True)
 
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        file('hello', 'w').write('hello world')
 
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        b.add(['hello'], ['hello-id'])
 
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        b.commit(message='add hello')
 
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        os.remove('hello')
 
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        b.commit('removed hello', rev_id='rev2')
 
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        tree = b.revision_tree('rev2')
 
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        self.assertFalse(tree.has_id('hello-id'))
 
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    def test_pointless_commit(self):
 
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        """Commit refuses unless there are changes or it's forced."""
 
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        b = Branch('.', init=True)
 
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        file('hello', 'w').write('hello')
 
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        b.add(['hello'])
 
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        b.commit(message='add hello')
 
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        self.assertEquals(b.revno(), 1)
 
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        self.assertRaises(PointlessCommit,
 
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                          b.commit,
 
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                          message='fails',
 
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                          allow_pointless=False)
 
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        self.assertEquals(b.revno(), 1)
 
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    def test_commit_empty(self):
 
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        """Commiting an empty tree works."""
 
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        b = Branch('.', init=True)
 
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        b.commit(message='empty tree', allow_pointless=True)
 
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        self.assertRaises(PointlessCommit,
 
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                          b.commit,
 
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                          message='empty tree',
 
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                          allow_pointless=False)
 
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        b.commit(message='empty tree', allow_pointless=True)
 
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        self.assertEquals(b.revno(), 2)
 
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    def test_selective_delete(self):
 
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        """Selective commit in tree with deletions"""
 
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        b = Branch('.', init=True)
 
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        file('hello', 'w').write('hello')
 
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        file('buongia', 'w').write('buongia')
 
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        b.add(['hello', 'buongia'],
 
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              ['hello-id', 'buongia-id'])
 
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        b.commit(message='add files',
 
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                 rev_id='test@rev-1')
 
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        os.remove('hello')
 
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        file('buongia', 'w').write('new text')
 
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        b.commit(message='update text',
 
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                 specific_files=['buongia'],
 
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                 allow_pointless=False,
 
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                 rev_id='test@rev-2')
 
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        b.commit(message='remove hello',
 
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                 specific_files=['hello'],
 
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                 allow_pointless=False,
 
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                 rev_id='test@rev-3')
 
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        eq = self.assertEquals
 
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        eq(b.revno(), 3)
 
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        tree2 = b.revision_tree('test@rev-2')
 
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        self.assertTrue(tree2.has_filename('hello'))
 
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        self.assertEquals(tree2.get_file_text('hello-id'), 'hello')
 
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        self.assertEquals(tree2.get_file_text('buongia-id'), 'new text')
 
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        tree3 = b.revision_tree('test@rev-3')
 
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        self.assertFalse(tree3.has_filename('hello'))
 
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        self.assertEquals(tree3.get_file_text('buongia-id'), 'new text')
 
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    def test_commit_rename(self):
 
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        """Test commit of a revision where a file is renamed."""
 
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        b = Branch('.', init=True)
 
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        self.build_tree(['hello'])
 
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        b.add(['hello'], ['hello-id'])
 
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        b.commit(message='one', rev_id='test@rev-1', allow_pointless=False)
 
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        b.rename_one('hello', 'fruity')
 
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        b.commit(message='renamed', rev_id='test@rev-2', allow_pointless=False)
 
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        tree1 = b.revision_tree('test@rev-1')
 
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        self.assertEquals(tree1.id2path('hello-id'), 'hello')
 
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        self.assertEquals(tree1.get_file_text('hello-id'), 'contents of hello\n')
 
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        self.assertFalse(tree1.has_filename('fruity'))
 
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        self.check_inventory_shape(tree1.inventory, ['hello'])
 
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        tree2 = b.revision_tree('test@rev-2')
 
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        self.assertEquals(tree2.id2path('hello-id'), 'fruity')
 
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        self.assertEquals(tree2.get_file_text('hello-id'), 'contents of hello\n')
 
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        self.check_inventory_shape(tree2.inventory, ['fruity'])
 
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    def test_reused_rev_id(self):
 
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        """Test that a revision id cannot be reused in a branch"""
 
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        b = Branch('.', init=True)
 
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        b.commit('initial', rev_id='test@rev-1', allow_pointless=True)
 
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        self.assertRaises(Exception,
 
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                          b.commit,
 
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                          message='reused id',
 
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                          rev_id='test@rev-1',
 
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                          allow_pointless=True)
 
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    def test_commit_move(self):
 
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        """Test commit of revisions with moved files and directories"""
 
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        b = Branch('.', init=True)
 
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        self.build_tree(['hello', 'a/', 'b/'])
 
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        b.add(['hello', 'a', 'b'], ['hello-id', 'a-id', 'b-id'])
 
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        b.commit('initial', rev_id='test@rev-1', allow_pointless=False)
 
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        b.move(['hello'], 'a')
 
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        b.commit('two', rev_id='test@rev-2', allow_pointless=False)
 
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        self.check_inventory_shape(b.inventory,
 
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                                   ['a', 'a/hello', 'b'])
 
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        b.move(['b'], 'a')
 
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        b.commit('three', rev_id='test@rev-3', allow_pointless=False)
 
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        self.check_inventory_shape(b.inventory,
 
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                                   ['a', 'a/hello', 'a/b'])
 
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        self.check_inventory_shape(b.get_revision_inventory('test@rev-3'),
 
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                                   ['a', 'a/hello', 'a/b'])
 
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        b.move([os.sep.join(['a', 'hello'])],
 
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               os.sep.join(['a', 'b']))
 
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        b.commit('four', rev_id='test@rev-4', allow_pointless=False)
 
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        self.check_inventory_shape(b.inventory,
 
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                                   ['a', 'a/b/hello', 'a/b'])
 
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    def test_removed_commit(self):
 
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        """Test a commit with a removed file"""
 
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        b = Branch('.', init=True)
 
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        file('hello', 'w').write('hello world')
 
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        b.add(['hello'], ['hello-id'])
 
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        b.commit(message='add hello')
 
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        b.remove('hello')
 
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        b.commit('removed hello', rev_id='rev2')
 
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        tree = b.revision_tree('rev2')
 
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        self.assertFalse(tree.has_id('hello-id'))
 
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    def test_committed_ancestry(self):
 
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        """Test commit appends revisions to ancestry."""
 
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        b = Branch('.', init=True)
 
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        rev_ids = []
 
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        for i in range(4):
 
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            file('hello', 'w').write((str(i) * 4) + '\n')
 
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            if i == 0:
 
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                b.add(['hello'], ['hello-id'])
 
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            rev_id = 'test@rev-%d' % (i+1)
 
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            rev_ids.append(rev_id)
 
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            b.commit(message='rev %d' % (i+1),
 
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                     rev_id=rev_id)
 
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        eq = self.assertEquals
 
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        eq(b.revision_history(), rev_ids)
 
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        for i in range(4):
 
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            anc = b.get_ancestry(rev_ids[i])
 
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            eq(anc, rev_ids[:i+1])
 
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if __name__ == '__main__':
 
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    import unittest
 
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    unittest.main()
 
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