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1417.1.6
by Robert Collins
introduce transactions for grouping actions done to and with branches |
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# Copyright (C) 2005 by Canonical Ltd
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# Authors: Robert Collins <robert.collins@canonical.com>
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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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"""Tests for the behaviour of the Transaction concept in bzr."""
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# import system imports here
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import os |
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import sys |
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#import bzrlib specific imports here
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import bzrlib.errors as errors |
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1185.31.25
by John Arbash Meinel
Renamed all of the tests from selftest/foo.py to tests/test_foo.py |
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from bzrlib.tests import TestCase, TestCaseInTempDir |
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1417.1.6
by Robert Collins
introduce transactions for grouping actions done to and with branches |
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import bzrlib.transactions as transactions |
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1417.1.10
by Robert Collins
add a cache bound to Transactions, and a precious facility, so that we keep inventory.weave in memory, but can discard weaves for other such files. |
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class DummyWeave(object): |
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"""A class that can be instantiated and compared."""
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def __init__(self, message): |
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self._message = message |
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def __eq__(self, other): |
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if other is None: |
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return False |
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return self._message == other._message |
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class TestSymbols(TestCase): |
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1417.1.12
by Robert Collins
cache revision history during read transactions |
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def test_public_symbols(self): |
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1417.1.10
by Robert Collins
add a cache bound to Transactions, and a precious facility, so that we keep inventory.weave in memory, but can discard weaves for other such files. |
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from bzrlib.transactions import ReadOnlyTransaction |
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from bzrlib.transactions import PassThroughTransaction |
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1417.1.6
by Robert Collins
introduce transactions for grouping actions done to and with branches |
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class TestReadOnlyTransaction(TestCase): |
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1417.1.10
by Robert Collins
add a cache bound to Transactions, and a precious facility, so that we keep inventory.weave in memory, but can discard weaves for other such files. |
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def setUp(self): |
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self.transaction = transactions.ReadOnlyTransaction() |
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super(TestReadOnlyTransaction, self).setUp() |
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1417.1.6
by Robert Collins
introduce transactions for grouping actions done to and with branches |
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def test_register_clean(self): |
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1417.1.10
by Robert Collins
add a cache bound to Transactions, and a precious facility, so that we keep inventory.weave in memory, but can discard weaves for other such files. |
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self.transaction.register_clean("anobject") |
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1417.1.8
by Robert Collins
use transactions in the weave store interface, which enables caching for log |
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def test_register_dirty_raises(self): |
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self.assertRaises(errors.ReadOnlyError, |
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1417.1.10
by Robert Collins
add a cache bound to Transactions, and a precious facility, so that we keep inventory.weave in memory, but can discard weaves for other such files. |
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self.transaction.register_dirty,"anobject") |
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1417.1.6
by Robert Collins
introduce transactions for grouping actions done to and with branches |
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def test_commit_raises(self): |
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1417.1.10
by Robert Collins
add a cache bound to Transactions, and a precious facility, so that we keep inventory.weave in memory, but can discard weaves for other such files. |
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self.assertRaises(errors.CommitNotPossible, self.transaction.commit) |
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1417.1.6
by Robert Collins
introduce transactions for grouping actions done to and with branches |
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def test_map(self): |
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1417.1.10
by Robert Collins
add a cache bound to Transactions, and a precious facility, so that we keep inventory.weave in memory, but can discard weaves for other such files. |
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self.assertNotEqual(None, getattr(self.transaction, "map", None)) |
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1417.1.6
by Robert Collins
introduce transactions for grouping actions done to and with branches |
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def test_add_and_get(self): |
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weave = "a weave" |
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1417.1.10
by Robert Collins
add a cache bound to Transactions, and a precious facility, so that we keep inventory.weave in memory, but can discard weaves for other such files. |
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self.transaction.map.add_weave("id", weave) |
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self.assertEqual(weave, self.transaction.map.find_weave("id")) |
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1417.1.6
by Robert Collins
introduce transactions for grouping actions done to and with branches |
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def test_rollback_returns(self): |
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1417.1.10
by Robert Collins
add a cache bound to Transactions, and a precious facility, so that we keep inventory.weave in memory, but can discard weaves for other such files. |
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self.transaction.rollback() |
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1417.1.6
by Robert Collins
introduce transactions for grouping actions done to and with branches |
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def test_finish_returns(self): |
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1417.1.10
by Robert Collins
add a cache bound to Transactions, and a precious facility, so that we keep inventory.weave in memory, but can discard weaves for other such files. |
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self.transaction.finish() |
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1417.1.6
by Robert Collins
introduce transactions for grouping actions done to and with branches |
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1417.1.10
by Robert Collins
add a cache bound to Transactions, and a precious facility, so that we keep inventory.weave in memory, but can discard weaves for other such files. |
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def test_zero_size_cache(self): |
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self.transaction.set_cache_size(0) |
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weave = DummyWeave('a weave') |
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self.transaction.map.add_weave("id", weave) |
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self.assertEqual(weave, self.transaction.map.find_weave("id")) |
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weave = None |
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# add an object, should fall right out if there are no references
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self.transaction.register_clean(self.transaction.map.find_weave("id")) |
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self.assertEqual(None, self.transaction.map.find_weave("id")) |
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# but if we have a reference it should stick around
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weave = DummyWeave("another weave") |
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self.transaction.map.add_weave("id", weave) |
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self.transaction.register_clean(self.transaction.map.find_weave("id")) |
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self.assertEqual(weave, self.transaction.map.find_weave("id")) |
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del weave |
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# its not a weakref system
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self.assertEqual(DummyWeave("another weave"), |
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self.transaction.map.find_weave("id")) |
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1417.1.6
by Robert Collins
introduce transactions for grouping actions done to and with branches |
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1417.1.10
by Robert Collins
add a cache bound to Transactions, and a precious facility, so that we keep inventory.weave in memory, but can discard weaves for other such files. |
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def test_small_cache(self): |
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self.transaction.set_cache_size(1) |
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# add an object, should not fall right out if there are no references
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#sys.getrefcounts(foo)
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self.transaction.map.add_weave("id", DummyWeave("a weave")) |
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self.transaction.register_clean(self.transaction.map.find_weave("id")) |
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self.assertEqual(DummyWeave("a weave"), |
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self.transaction.map.find_weave("id")) |
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self.transaction.map.add_weave("id2", DummyWeave("a weave also")) |
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self.transaction.register_clean(self.transaction.map.find_weave("id2")) |
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# currently a fifo
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self.assertEqual(None, self.transaction.map.find_weave("id")) |
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self.assertEqual(DummyWeave("a weave also"), |
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self.transaction.map.find_weave("id2")) |
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def test_small_cache_with_references(self): |
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# if we have a reference it should stick around
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weave = "a weave" |
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weave2 = "another weave" |
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self.transaction.map.add_weave("id", weave) |
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self.transaction.map.add_weave("id2", weave2) |
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self.assertEqual(weave, self.transaction.map.find_weave("id")) |
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self.assertEqual(weave2, self.transaction.map.find_weave("id2")) |
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weave = None |
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# its not a weakref system
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self.assertEqual("a weave", self.transaction.map.find_weave("id")) |
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def test_precious_with_zero_size_cache(self): |
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self.transaction.set_cache_size(0) |
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weave = DummyWeave('a weave') |
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self.transaction.map.add_weave("id", weave) |
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self.assertEqual(weave, self.transaction.map.find_weave("id")) |
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weave = None |
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# add an object, should not fall out even with no references.
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self.transaction.register_clean(self.transaction.map.find_weave("id"), |
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precious=True) |
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self.assertEqual(DummyWeave('a weave'), |
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self.transaction.map.find_weave("id")) |
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1417.1.12
by Robert Collins
cache revision history during read transactions |
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def test_precious_revision_history(self): |
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"""Disabled test until revision-history is a real object."""
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print "Disabled: test_precious_revision_history" |
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return
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self.transaction.set_cache_size(0) |
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history = [] |
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self.transaction.map.add_revision_history(history) |
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self.assertEqual(history, self.transaction.map.find_revision_history()) |
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history = None |
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# add an object, should not fall out even with no references.
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self.transaction.register_clean( |
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self.transaction.map.find_revision_history(), precious=True) |
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self.assertEqual([], self.transaction.map.find_revision_history()) |
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1417.1.10
by Robert Collins
add a cache bound to Transactions, and a precious facility, so that we keep inventory.weave in memory, but can discard weaves for other such files. |
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1417.1.6
by Robert Collins
introduce transactions for grouping actions done to and with branches |
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class TestPassThroughTransaction(TestCase): |
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def test_construct(self): |
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transactions.PassThroughTransaction() |
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def test_register_clean(self): |
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transaction = transactions.PassThroughTransaction() |
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transaction.register_clean("anobject") |
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1417.1.8
by Robert Collins
use transactions in the weave store interface, which enables caching for log |
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def test_register_dirty(self): |
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transaction = transactions.PassThroughTransaction() |
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transaction.register_dirty("anobject") |
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1417.1.6
by Robert Collins
introduce transactions for grouping actions done to and with branches |
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def test_commit_nothing_returns(self): |
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transaction = transactions.PassThroughTransaction() |
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transaction.commit() |
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def test_map(self): |
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transaction = transactions.PassThroughTransaction() |
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self.assertNotEqual(None, getattr(transaction, "map", None)) |
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def test_add_and_get(self): |
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transaction = transactions.PassThroughTransaction() |
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weave = "a weave" |
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transaction.map.add_weave("id", weave) |
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self.assertEqual(None, transaction.map.find_weave("id")) |
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def test_rollback_asserts(self): |
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transaction = transactions.PassThroughTransaction() |
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self.assertRaises(errors.AlreadyCommitted, transaction.rollback) |
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def test_finish_returns(self): |
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transaction = transactions.PassThroughTransaction() |
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transaction.finish() |
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1417.1.10
by Robert Collins
add a cache bound to Transactions, and a precious facility, so that we keep inventory.weave in memory, but can discard weaves for other such files. |
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def test_cache_is_ignored(self): |
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transaction = transactions.PassThroughTransaction() |
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transaction.set_cache_size(100) |
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weave = "a weave" |
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transaction.map.add_weave("id", weave) |
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self.assertEqual(None, transaction.map.find_weave("id")) |