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bzrlib/tests/revisionstore_implementations/test_all.py
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# Copyright (C) 2006 by Canonical Ltd
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#
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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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#
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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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#
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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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"""Revision store tests."""
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import bzrlib.errors as errors
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from bzrlib.revision import Revision
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from bzrlib.store.revision import RevisionStore
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from bzrlib.tests import TestCaseWithTransport
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from bzrlib.transactions import PassThroughTransaction
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class TestFactory(TestCaseWithTransport):
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    def test_factory_keeps_smoke_in(self):
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        s = self.store_factory.create(self.get_url('.'))
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        self.assertTrue(isinstance(s, RevisionStore))
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class TestAll(TestCaseWithTransport):
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    def setUp(self):
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        super(TestAll, self).setUp()
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        self.store = self.store_factory.create(self.get_url('.'))
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        self.transaction = PassThroughTransaction()
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    def test_add_has_get(self):
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        rev = self.add_sample_rev()
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        self.assertTrue(self.store.has_revision_id('A', self.transaction))
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        rev2 = self.store.get_revision('A', self.transaction)
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        self.assertEqual(rev, rev2)
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    def add_sample_rev(self):
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        rev = Revision(timestamp=0,
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                       timezone=0,
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                       committer="Foo Bar <foo@example.com>",
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                       message="Message",
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                       inventory_sha1='aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa',
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                       revision_id='A')
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        self.store.add_revision(rev, self.transaction)
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        return rev
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    def test_has_missing(self):
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        # has of a non present id -> False
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        self.assertFalse(self.store.has_revision_id('missing', self.transaction))
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    def test_has_None(self):
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        # has of None -> True
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        self.assertTrue(self.store.has_revision_id(None, self.transaction))
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    def test_get_revision_none(self):
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        # get_revision(None) -> raises NoSuchRevision
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        self.assertRaises(errors.NoSuchRevision,
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                          self.store.get_revision,
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                          'B',
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                          self.transaction)
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    def test_add_signature_text_missing(self):
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        # add of a text signature for a missing revision must work, to allow
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        # revisions to be added after the signature.
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        self.store.add_revision_signature_text('A', 'foo\nbar', self.transaction)
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        # but must not be visible
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        self.assertRaises(errors.NoSuchRevision,
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                          self.store.has_signature,
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                          'A',
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                          self.transaction)
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        # at all
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        self.assertRaises(errors.NoSuchRevision,
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                          self.store.get_signature_text,
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                          'A',
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                          self.transaction)
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        # until the revision is added
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        self.add_sample_rev()
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        self.assertTrue(self.store.has_signature('A', self.transaction))
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        self.assertEqual('foo\nbar',
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                         self.store.get_signature_text('A', self.transaction))
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    def test_add_signature_text(self):
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        # add a signature to a existing revision works.
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        self.add_sample_rev()
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        self.assertFalse(self.store.has_signature('A', self.transaction))
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        self.assertRaises(errors.NoSuchRevision,
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                          self.store.get_signature_text,
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                          'A',
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                          self.transaction)
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        self.store.add_revision_signature_text('A', 'foo\nbar', self.transaction)
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        self.assertTrue(self.store.has_signature('A', self.transaction))
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        self.assertEqual('foo\nbar',
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                         self.store.get_signature_text('A', self.transaction))
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    def test_total_size(self):
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        # we get a revision count and a numeric size figure from total_size().
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        count, bytes = self.store.total_size(self.transaction)
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        self.assertEqual(0, count)
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        # some stores use disk immediately that they are created so we just 
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        # check that its an int.
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        self.assertIsInstance(bytes, (int, long))
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        self.add_sample_rev()
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        count, bytes = self.store.total_size(self.transaction)
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        self.assertEqual(1, count)
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        self.assertNotEqual(0, bytes)
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    def test_all_revision_ids(self):
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        self.assertEqual([], self.store.all_revision_ids(self.transaction))
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        self.add_sample_rev()
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        self.assertEqual(['A'], self.store.all_revision_ids(self.transaction))