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# Copyright (C) 2004, 2005 by Canonical Ltd
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# Copyright (C) 2004, 2005, 2006 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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from bzrlib.branch import Branch
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from bzrlib.tests import TestCaseInTempDir
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from bzrlib.errors import NoCommonAncestor, NoCommits
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from bzrlib.errors import NoSuchRevision
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from bzrlib.clone import copy_branch
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from bzrlib.merge import merge
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from bzrlib.builtins import merge
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from bzrlib.tests import TestCaseWithTransport
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from bzrlib.revisionspec import RevisionSpec
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class TestRevisionNamespaces(TestCaseInTempDir):
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def test_revision_namespaces(self):
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"""Test revision specifiers.
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These identify revisions by date, etc."""
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b = Branch.initialize(u'.')
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b.working_tree().commit('Commit one', rev_id='a@r-0-1', timestamp=time.time() - 60*60*24)
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b.working_tree().commit('Commit two', rev_id='a@r-0-2')
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b.working_tree().commit('Commit three', rev_id='a@r-0-3')
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self.assertEquals(RevisionSpec(None).in_history(b), (0, None))
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self.assertEquals(RevisionSpec(1).in_history(b), (1, 'a@r-0-1'))
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self.assertEquals(RevisionSpec('revno:1').in_history(b),
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self.assertEquals(RevisionSpec('revid:a@r-0-1').in_history(b),
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self.assertRaises(NoSuchRevision,
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RevisionSpec('revid:a@r-0-0').in_history, b)
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self.assertRaises(TypeError, RevisionSpec, object)
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self.assertEquals(RevisionSpec('date:today').in_history(b),
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self.assertEquals(RevisionSpec('date:yesterday').in_history(b),
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self.assertEquals(RevisionSpec('before:date:today').in_history(b),
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self.assertEquals(RevisionSpec('last:1').in_history(b),
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self.assertEquals(RevisionSpec('-1').in_history(b), (3, 'a@r-0-3'))
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# self.assertEquals(b.get_revision_info('last:1'), (3, 'a@r-0-3'))
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# self.assertEquals(b.get_revision_info('-1'), (3, 'a@r-0-3'))
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self.assertEquals(RevisionSpec('ancestor:.').in_history(b).rev_id,
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b2 = Branch.initialize('newbranch')
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self.assertRaises(NoCommits, RevisionSpec('ancestor:.').in_history, b2)
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b3 = copy_branch(b, 'copy')
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b3.working_tree().commit('Commit four', rev_id='b@r-0-4')
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self.assertEquals(RevisionSpec('ancestor:.').in_history(b3).rev_id,
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merge(['copy', -1], [None, None])
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b.working_tree().commit('Commit five', rev_id='a@r-0-4')
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self.assertEquals(RevisionSpec('ancestor:copy').in_history(b).rev_id,
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self.assertEquals(RevisionSpec('ancestor:.').in_history(b3).rev_id,
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def test_branch_namespace(self):
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"""Ensure that the branch namespace pulls in the requisite content."""
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self.build_tree(['branch1/', 'branch1/file', 'branch2/'])
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branch = Branch.initialize('branch1')
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branch.working_tree().add(['file'])
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branch.working_tree().commit('add file')
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copy_branch(branch, 'branch2')
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print >> open('branch2/file', 'w'), 'new content'
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branch2 = Branch.open('branch2')
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branch2.working_tree().commit('update file', rev_id='A')
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spec = RevisionSpec('branch:./branch2/.bzr/../')
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rev_info = spec.in_history(branch)
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self.assertEqual(rev_info, (None, 'A'))
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def spec_in_history(spec, branch):
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"""A simple helper to change a revision spec into a branch search"""
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return RevisionSpec.from_string(spec).in_history(branch)
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# Basic class, which just creates a really basic set of revisions
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class TestRevisionSpec(TestCaseWithTransport):
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super(TestRevisionSpec, self).setUp()
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self.tree = self.make_branch_and_tree('tree')
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self.build_tree(['tree/a'])
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self.tree.commit('a', rev_id='r1')
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self.tree2 = self.tree.bzrdir.sprout('tree2').open_workingtree()
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self.tree2.commit('alt', rev_id='alt_r2')
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self.tree.branch.repository.fetch(self.tree2.branch.repository,
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self.tree.set_pending_merges(['alt_r2'])
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self.tree.commit('second', rev_id='r2')
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def get_in_history(self, revision_spec):
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return spec_in_history(revision_spec, self.tree.branch)
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def assertInHistoryIs(self, exp_revno, exp_revision_id, revision_spec):
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rev_info = self.get_in_history(revision_spec)
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self.assertEqual(exp_revno, rev_info.revno,
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'Revision spec: %s returned wrong revno: %s != %s'
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% (revision_spec, exp_revno, rev_info.revno))
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self.assertEqual(exp_revision_id, rev_info.rev_id,
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'Revision spec: %s returned wrong revision id:'
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% (revision_spec, exp_revision_id, rev_info.rev_id))
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def assertInvalid(self, revision_spec, extra=''):
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self.get_in_history(revision_spec)
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except errors.InvalidRevisionSpec, e:
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self.assertEqual(revision_spec, e.spec)
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self.assertEqual(extra, e.extra)
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self.fail('Expected InvalidRevisionSpec to be raised for %s'
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class TestOddRevisionSpec(TestRevisionSpec):
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"""Test things that aren't normally thought of as revision specs"""
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self.assertInHistoryIs(0, None, None)
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def test_object(self):
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self.assertRaises(TypeError, RevisionSpec.from_string, object())
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def test_unregistered_spec(self):
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self.assertRaises(errors.NoSuchRevisionSpec,
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RevisionSpec.from_string, 'foo')
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self.assertRaises(errors.NoSuchRevisionSpec,
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RevisionSpec.from_string, '123a')
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class TestRevisionSpec_revno(TestRevisionSpec):
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def test_positive_int(self):
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self.assertInHistoryIs(0, None, '0')
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self.assertInHistoryIs(1, 'r1', '1')
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self.assertInHistoryIs(2, 'r2', '2')
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self.assertInvalid('3')
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def test_negative_int(self):
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self.assertInHistoryIs(2, 'r2', '-1')
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self.assertInHistoryIs(1, 'r1', '-2')
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self.assertInHistoryIs(1, 'r1', '-3')
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self.assertInHistoryIs(1, 'r1', '-4')
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self.assertInHistoryIs(1, 'r1', '-100')
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def test_positive(self):
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self.assertInHistoryIs(0, None, 'revno:0')
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self.assertInHistoryIs(1, 'r1', 'revno:1')
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self.assertInHistoryIs(2, 'r2', 'revno:2')
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self.assertInvalid('revno:3')
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def test_negative(self):
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self.assertInHistoryIs(2, 'r2', 'revno:-1')
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self.assertInHistoryIs(1, 'r1', 'revno:-2')
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self.assertInHistoryIs(1, 'r1', 'revno:-3')
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self.assertInHistoryIs(1, 'r1', 'revno:-4')
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def test_invalid_number(self):
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# Get the right exception text
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except ValueError, e:
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self.assertInvalid('revno:X', extra='\n' + str(e))
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def test_missing_number_and_branch(self):
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self.assertInvalid('revno::',
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extra='\ncannot have an empty revno and no branch')
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def test_invalid_number_with_branch(self):
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except ValueError, e:
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self.assertInvalid('revno:X:tree2', extra='\n' + str(e))
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def test_non_exact_branch(self):
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# It seems better to require an exact path to the branch
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# Branch.open() rather than using Branch.open_containing()
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spec = RevisionSpec.from_string('revno:2:tree2/a')
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self.assertRaises(errors.NotBranchError,
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spec.in_history, self.tree.branch)
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def test_with_branch(self):
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# Passing a URL overrides the supplied branch path
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revinfo = self.get_in_history('revno:2:tree2')
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self.assertNotEqual(self.tree.branch.base, revinfo.branch.base)
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self.assertEqual(self.tree2.branch.base, revinfo.branch.base)
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self.assertEqual(2, revinfo.revno)
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self.assertEqual('alt_r2', revinfo.rev_id)
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def test_int_with_branch(self):
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revinfo = self.get_in_history('2:tree2')
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self.assertNotEqual(self.tree.branch.base, revinfo.branch.base)
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self.assertEqual(self.tree2.branch.base, revinfo.branch.base)
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self.assertEqual(2, revinfo.revno)
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self.assertEqual('alt_r2', revinfo.rev_id)
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def test_with_url(self):
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url = self.get_url() + '/tree2'
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revinfo = self.get_in_history('revno:2:%s' % (url,))
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self.assertNotEqual(self.tree.branch.base, revinfo.branch.base)
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self.assertEqual(self.tree2.branch.base, revinfo.branch.base)
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self.assertEqual(2, revinfo.revno)
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self.assertEqual('alt_r2', revinfo.rev_id)
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def test_negative_with_url(self):
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url = self.get_url() + '/tree2'
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revinfo = self.get_in_history('revno:-1:%s' % (url,))
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self.assertNotEqual(self.tree.branch.base, revinfo.branch.base)
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self.assertEqual(self.tree2.branch.base, revinfo.branch.base)
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self.assertEqual(2, revinfo.revno)
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self.assertEqual('alt_r2', revinfo.rev_id)
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def test_different_history_lengths(self):
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# Make sure we use the revisions and offsets in the supplied branch
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# not the ones in the original branch.
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self.tree2.commit('three', rev_id='r3')
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self.assertInHistoryIs(3, 'r3', 'revno:3:tree2')
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self.assertInHistoryIs(3, 'r3', 'revno:-1:tree2')
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def test_invalid_branch(self):
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self.assertRaises(errors.NotBranchError,
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self.get_in_history, 'revno:-1:tree3')
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def test_invalid_revno_in_branch(self):
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self.tree.commit('three', rev_id='r3')
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self.assertInvalid('revno:3:tree2')
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def test_revno_n_path(self):
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"""Old revno:N:path tests"""
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wta = self.make_branch_and_tree('a')
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wta.commit('Commit one', rev_id='a@r-0-1')
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wta.commit('Commit two', rev_id='a@r-0-2')
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wta.commit('Commit three', rev_id='a@r-0-3')
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wtb = self.make_branch_and_tree('b')
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wtb.commit('Commit one', rev_id='b@r-0-1')
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wtb.commit('Commit two', rev_id='b@r-0-2')
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wtb.commit('Commit three', rev_id='b@r-0-3')
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self.assertEqual((1, 'a@r-0-1'),
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spec_in_history('revno:1:a/', ba))
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# The argument of in_history should be ignored since it is
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# redundant with the path in the spec.
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self.assertEqual((1, 'a@r-0-1'),
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spec_in_history('revno:1:a/', None))
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self.assertEqual((1, 'a@r-0-1'),
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spec_in_history('revno:1:a/', bb))
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self.assertEqual((2, 'b@r-0-2'),
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spec_in_history('revno:2:b/', None))
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class TestRevisionSpec_revid(TestRevisionSpec):
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def test_in_history(self):
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# We should be able to access revisions that are directly
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self.assertInHistoryIs(1, 'r1', 'revid:r1')
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self.assertInHistoryIs(2, 'r2', 'revid:r2')
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def test_missing(self):
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self.assertInvalid('revid:r3')
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def test_merged(self):
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"""We can reach revisions in the ancestry"""
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self.assertInHistoryIs(None, 'alt_r2', 'revid:alt_r2')
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def test_not_here(self):
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self.tree2.commit('alt third', rev_id='alt_r3')
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# It exists in tree2, but not in tree
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self.assertInvalid('revid:alt_r3')
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def test_in_repository(self):
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"""We can get any revision id in the repository"""
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# XXX: This may change in the future, but for now, it is true
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self.tree2.commit('alt third', rev_id='alt_r3')
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self.tree.branch.repository.fetch(self.tree2.branch.repository,
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revision_id='alt_r3')
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self.assertInHistoryIs(None, 'alt_r3', 'revid:alt_r3')
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class TestRevisionSpec_last(TestRevisionSpec):
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def test_positive(self):
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self.assertInHistoryIs(2, 'r2', 'last:1')
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self.assertInHistoryIs(1, 'r1', 'last:2')
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self.assertInHistoryIs(0, None, 'last:3')
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def test_empty(self):
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self.assertInHistoryIs(2, 'r2', 'last:')
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def test_negative(self):
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self.assertInvalid('last:-1',
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extra='\nyou must supply a positive value')
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def test_missing(self):
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self.assertInvalid('last:4')
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def test_no_history(self):
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tree = self.make_branch_and_tree('tree3')
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self.assertRaises(errors.NoCommits,
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spec_in_history, 'last:', tree.branch)
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def test_not_a_number(self):
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except ValueError, e:
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self.assertInvalid('last:Y', extra='\n' + str(e))
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class TestRevisionSpec_before(TestRevisionSpec):
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self.assertInHistoryIs(1, 'r1', 'before:2')
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self.assertInHistoryIs(1, 'r1', 'before:-1')
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def test_before_one(self):
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self.assertInHistoryIs(0, None, 'before:1')
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def test_before_none(self):
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self.assertInvalid('before:0',
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extra='\ncannot go before the null: revision')
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def test_revid(self):
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self.assertInHistoryIs(1, 'r1', 'before:revid:r2')
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self.assertInHistoryIs(1, 'r1', 'before:last:1')
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def test_alt_revid(self):
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# This will grab the left-most ancestor for alternate histories
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self.assertInHistoryIs(1, 'r1', 'before:revid:alt_r2')
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def test_alt_no_parents(self):
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new_tree = self.make_branch_and_tree('new_tree')
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new_tree.commit('first', rev_id='new_r1')
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self.tree.branch.repository.fetch(new_tree.branch.repository,
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revision_id='new_r1')
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self.assertInHistoryIs(0, None, 'before:revid:new_r1')
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class TestRevisionSpec_tag(TestRevisionSpec):
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def test_invalid(self):
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self.assertInvalid('tag:foo', extra='\ntag: namespace registered,'
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' but not implemented')
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class TestRevisionSpec_date(TestRevisionSpec):
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super(TestRevisionSpec, self).setUp()
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new_tree = self.make_branch_and_tree('new_tree')
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new_tree.commit('Commit one', rev_id='new_r1',
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timestamp=time.time() - 60*60*24)
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new_tree.commit('Commit two', rev_id='new_r2')
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new_tree.commit('Commit three', rev_id='new_r3')
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def test_tomorrow(self):
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self.assertInvalid('date:tomorrow')
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def test_today(self):
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self.assertInHistoryIs(2, 'new_r2', 'date:today')
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self.assertInHistoryIs(1, 'new_r1', 'before:date:today')
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def test_yesterday(self):
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self.assertInHistoryIs(1, 'new_r1', 'date:yesterday')
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def test_invalid(self):
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self.assertInvalid('date:foobar', extra='\ninvalid date')
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# You must have '-' between year/month/day
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self.assertInvalid('date:20040404', extra='\ninvalid date')
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# Need 2 digits for each date piece
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self.assertInvalid('date:2004-4-4', extra='\ninvalid date')
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now = datetime.datetime.now()
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self.assertInHistoryIs(2, 'new_r2',
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'date:%04d-%02d-%02d' % (now.year, now.month, now.day))
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class TestRevisionSpec_ancestor(TestRevisionSpec):
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def test_non_exact_branch(self):
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# It seems better to require an exact path to the branch
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# Branch.open() rather than using Branch.open_containing()
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self.assertRaises(errors.NotBranchError,
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self.get_in_history, 'ancestor:tree2/a')
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def test_simple(self):
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# Common ancestor of trees is 'alt_r2'
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self.assertInHistoryIs(None, 'alt_r2', 'ancestor:tree2')
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# Going the other way, we get a valid revno
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self.tree = self.tree2
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self.assertInHistoryIs(2, 'alt_r2', 'ancestor:tree')
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self.assertInHistoryIs(2, 'r2', 'ancestor:tree')
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def test_unrelated(self):
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new_tree = self.make_branch_and_tree('new_tree')
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new_tree.commit('Commit one', rev_id='new_r1')
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new_tree.commit('Commit two', rev_id='new_r2')
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new_tree.commit('Commit three', rev_id='new_r3')
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# With no common ancestor, we should raise another user error
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self.assertRaises(errors.NoCommonAncestor,
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self.get_in_history, 'ancestor:new_tree')
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def test_no_commits(self):
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new_tree = self.make_branch_and_tree('new_tree')
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self.assertRaises(errors.NoCommits,
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spec_in_history, 'ancestor:new_tree',
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self.assertRaises(errors.NoCommits,
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spec_in_history, 'ancestor:tree',
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class TestRevisionSpec_branch(TestRevisionSpec):
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def test_non_exact_branch(self):
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# It seems better to require an exact path to the branch
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# Branch.open() rather than using Branch.open_containing()
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self.assertRaises(errors.NotBranchError,
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self.get_in_history, 'branch:tree2/a')
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def test_simple(self):
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self.assertInHistoryIs(None, 'alt_r2', 'branch:tree2')
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self.assertInHistoryIs(2, 'r2', 'branch:tree')
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def test_unrelated(self):
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new_tree = self.make_branch_and_tree('new_tree')
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new_tree.commit('Commit one', rev_id='new_r1')
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new_tree.commit('Commit two', rev_id='new_r2')
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new_tree.commit('Commit three', rev_id='new_r3')
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self.assertInHistoryIs(None, 'new_r3', 'branch:new_tree')
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# XXX: Right now, we use fetch() to make sure the remote revisions
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# have been pulled into the local branch. We may change that
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# behavior in the future.
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self.failUnless(self.tree.branch.repository.has_revision('new_r3'))
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def test_no_commits(self):
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new_tree = self.make_branch_and_tree('new_tree')
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self.assertRaises(errors.NoCommits,
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self.get_in_history, 'branch:new_tree')