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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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from bzrlib import (
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revision as _mod_revision,
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from bzrlib.branch import Branch
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from bzrlib.bzrdir import BzrDir
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from bzrlib.repofmt import knitrepo
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from bzrlib.tests import TestCaseWithTransport
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from bzrlib.tests.http_utils import TestCaseWithWebserver
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from bzrlib.tests.test_revision import make_branches
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from bzrlib.trace import mutter
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from bzrlib.upgrade import Convert
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from bzrlib.workingtree import WorkingTree
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# These tests are a bit old; please instead add new tests into
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# per_interrepository/ so they'll run on all relevant
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# interrepository_implementations/ so they'll run on all relevant
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def has_revision(branch, revision_id):
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return branch.repository.has_revision(revision_id)
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def revision_history(branch):
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graph = branch.repository.get_graph()
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history = list(graph.iter_lefthand_ancestry(branch.last_revision(),
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[_mod_revision.NULL_REVISION]))
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def fetch_steps(self, br_a, br_b, writable_a):
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"""A foreign test method for testing fetch locally and remotely."""
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# TODO RBC 20060201 make this a repository test.
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repo_b = br_b.repository
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self.assertFalse(repo_b.has_revision(revision_history(br_a)[3]))
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self.assertTrue(repo_b.has_revision(revision_history(br_a)[2]))
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self.assertEqual(len(revision_history(br_b)), 7)
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br_b.fetch(br_a, revision_history(br_a)[2])
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self.assertFalse(repo_b.has_revision(br_a.revision_history()[3]))
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self.assertTrue(repo_b.has_revision(br_a.revision_history()[2]))
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self.assertEquals(len(br_b.revision_history()), 7)
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self.assertEquals(br_b.fetch(br_a, br_a.revision_history()[2])[0], 0)
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# branch.fetch is not supposed to alter the revision history
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self.assertEqual(len(revision_history(br_b)), 7)
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self.assertFalse(repo_b.has_revision(revision_history(br_a)[3]))
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self.assertEquals(len(br_b.revision_history()), 7)
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self.assertFalse(repo_b.has_revision(br_a.revision_history()[3]))
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# fetching the next revision up in sample data copies one revision
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br_b.fetch(br_a, revision_history(br_a)[3])
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self.assertTrue(repo_b.has_revision(revision_history(br_a)[3]))
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self.assertFalse(has_revision(br_a, revision_history(br_b)[6]))
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self.assertTrue(br_a.repository.has_revision(revision_history(br_b)[5]))
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self.assertEquals(br_b.fetch(br_a, br_a.revision_history()[3])[0], 1)
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self.assertTrue(repo_b.has_revision(br_a.revision_history()[3]))
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self.assertFalse(has_revision(br_a, br_b.revision_history()[6]))
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self.assertTrue(br_a.repository.has_revision(br_b.revision_history()[5]))
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# When a non-branch ancestor is missing, it should be unlisted...
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# as its not reference from the inventory weave.
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br_b4 = self.make_branch('br_4')
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writable_a.fetch(br_b)
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self.assertTrue(has_revision(br_a, revision_history(br_b)[3]))
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self.assertTrue(has_revision(br_a, revision_history(br_b)[4]))
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count, failures = br_b4.fetch(br_b)
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self.assertEqual(count, 7)
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self.assertEqual(failures, [])
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self.assertEqual(writable_a.fetch(br_b)[0], 1)
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self.assertTrue(has_revision(br_a, br_b.revision_history()[3]))
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self.assertTrue(has_revision(br_a, br_b.revision_history()[4]))
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br_b2 = self.make_branch('br_b2')
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self.assertTrue(has_revision(br_b2, revision_history(br_b)[4]))
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self.assertTrue(has_revision(br_b2, revision_history(br_a)[2]))
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self.assertFalse(has_revision(br_b2, revision_history(br_a)[3]))
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self.assertEquals(br_b2.fetch(br_b)[0], 7)
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self.assertTrue(has_revision(br_b2, br_b.revision_history()[4]))
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self.assertTrue(has_revision(br_b2, br_a.revision_history()[2]))
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self.assertFalse(has_revision(br_b2, br_a.revision_history()[3]))
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br_a2 = self.make_branch('br_a2')
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self.assertTrue(has_revision(br_a2, revision_history(br_b)[4]))
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self.assertTrue(has_revision(br_a2, revision_history(br_a)[3]))
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self.assertTrue(has_revision(br_a2, revision_history(br_a)[2]))
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self.assertEquals(br_a2.fetch(br_a)[0], 9)
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self.assertTrue(has_revision(br_a2, br_b.revision_history()[4]))
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self.assertTrue(has_revision(br_a2, br_a.revision_history()[3]))
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self.assertTrue(has_revision(br_a2, br_a.revision_history()[2]))
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br_a3 = self.make_branch('br_a3')
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# pulling a branch with no revisions grabs nothing, regardless of
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# pulling a branch with no revisions grabs nothing, regardless of
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# whats in the inventory.
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self.assertEquals(br_a3.fetch(br_a2)[0], 0)
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for revno in range(4):
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br_a3.repository.has_revision(revision_history(br_a)[revno]))
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br_a3.fetch(br_a2, revision_history(br_a)[2])
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br_a3.repository.has_revision(br_a.revision_history()[revno]))
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self.assertEqual(br_a3.fetch(br_a2, br_a.revision_history()[2])[0], 3)
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# pull the 3 revisions introduced by a@u-0-3
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br_a3.fetch(br_a2, revision_history(br_a)[3])
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# NoSuchRevision should be raised if the branch is missing the revision
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fetched = br_a3.fetch(br_a2, br_a.revision_history()[3])[0]
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self.assertEquals(fetched, 3, "fetched %d instead of 3" % fetched)
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# InstallFailed should be raised if the branch is missing the revision
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# that was requested.
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self.assertRaises(errors.NoSuchRevision, br_a3.fetch, br_a2, 'pizza')
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self.assertRaises(errors.InstallFailed, br_a3.fetch, br_a2, 'pizza')
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# TODO: Test trying to fetch from a branch that points to a revision not
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# actually present in its repository. Not every branch format allows you
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rev_id).get_file_text('this-file-id'), text)
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class TestHttpFetch(TestCaseWithWebserver):
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# FIXME RBC 20060124 this really isn't web specific, perhaps an
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# instrumented readonly transport? Can we do an instrumented
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# adapter and use self.get_readonly_url ?
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def test_fetch(self):
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#highest indices a: 5, b: 7
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br_a, br_b = make_branches(self)
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br_rem_a = Branch.open(self.get_readonly_url('branch1'))
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fetch_steps(self, br_rem_a, br_b, br_a)
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def _count_log_matches(self, target, logs):
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"""Count the number of times the target file pattern was fetched in an http log"""
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get_succeeds_re = re.compile(
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'.*"GET .*%s HTTP/1.1" 20[06] - "-" "bzr/%s' %
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( target, bzrlib.__version__))
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if get_succeeds_re.match(line):
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def test_weaves_are_retrieved_once(self):
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self.build_tree(("source/", "source/file", "target/"))
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# This test depends on knit dasta storage.
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wt = self.make_branch_and_tree('source', format='dirstate-tags')
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wt.add(["file"], ["id"])
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wt.commit("added file")
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open("source/file", 'w').write("blah\n")
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wt.commit("changed file")
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target = BzrDir.create_branch_and_repo("target/")
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source = Branch.open(self.get_readonly_url("source/"))
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self.assertEqual(target.fetch(source), (2, []))
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# this is the path to the literal file. As format changes
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# occur it needs to be updated. FIXME: ask the store for the
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self.log("web server logs are:")
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http_logs = self.get_readonly_server().logs
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self.log('\n'.join(http_logs))
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# unfortunately this log entry is branch format specific. We could
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# factor out the 'what files does this format use' to a method on the
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# repository, which would let us to this generically. RBC 20060419
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# RBC 20080408: Or perhaps we can assert that no files are fully read
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self.assertEqual(1, self._count_log_matches('/ce/id.kndx', http_logs))
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self.assertEqual(1, self._count_log_matches('/ce/id.knit', http_logs))
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self.assertEqual(1, self._count_log_matches('inventory.kndx', http_logs))
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# this r-h check test will prevent regressions, but it currently already
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# passes, before the patch to cache-rh is applied :[
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self.assertTrue(1 >= self._count_log_matches('revision-history',
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self.assertTrue(1 >= self._count_log_matches('last-revision',
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# FIXME naughty poking in there.
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self.get_readonly_server().logs = []
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# check there is nothing more to fetch. We take care to re-use the
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# existing transport so that the request logs we're about to examine
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# aren't cluttered with redundant probes for a smart server.
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# XXX: Perhaps this further parameterisation: test http with smart
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# server, and test http without smart server?
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source = Branch.open(
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self.get_readonly_url("source/"),
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possible_transports=[source.bzrdir.root_transport])
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self.assertEqual(target.fetch(source), (0, []))
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# should make just two requests
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http_logs = self.get_readonly_server().logs
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self.log("web server logs are:")
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self.log('\n'.join(http_logs))
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self.assertEqual(1, self._count_log_matches('branch-format', http_logs))
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self.assertEqual(1, self._count_log_matches('branch/format', http_logs))
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self.assertEqual(1, self._count_log_matches('repository/format',
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self.assertTrue(1 >= self._count_log_matches('revision-history',
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self.assertTrue(1 >= self._count_log_matches('last-revision',
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self.assertEqual(4, len(http_logs))
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class TestKnitToPackFetch(TestCaseWithTransport):
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def find_get_record_stream(self, calls, expected_count=1):
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"""In a list of calls, find the last 'get_record_stream'.
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def find_get_record_stream(self, calls):
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"""In a list of calls, find 'get_record_stream' calls.
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:param expected_count: The number of calls we should exepect to find.
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If a different number is found, an assertion is raised.
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This also ensures that there is only one get_record_stream call.
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get_record_call = None
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for call in calls:
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if call[0] == 'get_record_stream':
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self.assertIs(None, get_record_call,
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"there should only be one call to"
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" get_record_stream")
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get_record_call = call
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self.assertEqual(expected_count, call_count)
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self.assertIsNot(None, get_record_call,
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"there should be exactly one call to "
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" get_record_stream")
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return get_record_call
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def test_fetch_with_deltas_no_delta_closure(self):
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source.inventories = versionedfile.RecordingVersionedFilesDecorator(
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source.inventories)
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self.assertTrue(target._format._fetch_uses_deltas)
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self.assertTrue(target._fetch_uses_deltas)
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target.fetch(source, revision_id='rev-one')
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self.assertEqual(('get_record_stream', [('file-id', 'rev-one')],
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target._format._fetch_order, False),
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target._fetch_order, False),
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self.find_get_record_stream(source.texts.calls))
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self.assertEqual(('get_record_stream', [('rev-one',)],
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target._format._fetch_order, False),
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self.find_get_record_stream(source.inventories.calls, 2))
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target._fetch_order, False),
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self.find_get_record_stream(source.inventories.calls))
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# Because of bugs in the old fetch code, revisions could accidentally
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# have deltas present in knits. However, it was never intended, so we
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# always for include_delta_closure=True, to make sure we get fulltexts.
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self.assertEqual(('get_record_stream', [('rev-one',)],
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target._format._fetch_order, False),
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target._fetch_order, True),
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self.find_get_record_stream(source.revisions.calls))
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# XXX: Signatures is special, and slightly broken. The
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# standard item_keys_introduced_by actually does a lookup for every
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source.revisions)
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source.inventories = versionedfile.RecordingVersionedFilesDecorator(
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source.inventories)
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# XXX: This won't work in general, but for the dirstate format it does.
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self.overrideAttr(target._format, '_fetch_uses_deltas', False)
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target._fetch_uses_deltas = False
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target.fetch(source, revision_id='rev-one')
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self.assertEqual(('get_record_stream', [('file-id', 'rev-one')],
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target._format._fetch_order, True),
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target._fetch_order, True),
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self.find_get_record_stream(source.texts.calls))
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self.assertEqual(('get_record_stream', [('rev-one',)],
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target._format._fetch_order, True),
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self.find_get_record_stream(source.inventories.calls, 2))
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target._fetch_order, True),
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self.find_get_record_stream(source.inventories.calls))
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self.assertEqual(('get_record_stream', [('rev-one',)],
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target._format._fetch_order, True),
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target._fetch_order, True),
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self.find_get_record_stream(source.revisions.calls))
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# XXX: Signatures is special, and slightly broken. The
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# standard item_keys_introduced_by actually does a lookup for every
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signature_calls = source.signatures.calls[-1:]
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self.assertEqual(('get_record_stream', [('rev-one',)],
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target._format._fetch_order, True),
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target._fetch_order, True),
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self.find_get_record_stream(signature_calls))
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def test_fetch_revisions_with_deltas_into_pack(self):
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# See BUG #261339, dev versions of bzr could accidentally create deltas
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# in revision texts in knit branches (when fetching from packs). So we
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# ensure that *if* a knit repository has a delta in revisions, that it
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# gets properly expanded back into a fulltext when stored in the pack
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tree = self.make_branch_and_tree('source', format='dirstate')
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target = self.make_repository('target', format='pack-0.92')
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self.build_tree(['source/file'])
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tree.set_root_id('root-id')
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tree.add('file', 'file-id')
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tree.commit('one', rev_id='rev-one')
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# Hack the KVF for revisions so that it "accidentally" allows a delta
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tree.branch.repository.revisions._max_delta_chain = 200
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tree.commit('two', rev_id='rev-two')
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source = tree.branch.repository
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# Ensure that we stored a delta
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self.addCleanup(source.unlock)
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record = source.revisions.get_record_stream([('rev-two',)],
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'unordered', False).next()
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self.assertEqual('knit-delta-gz', record.storage_kind)
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target.fetch(tree.branch.repository, revision_id='rev-two')
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# The record should get expanded back to a fulltext
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self.addCleanup(target.unlock)
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record = target.revisions.get_record_stream([('rev-two',)],
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'unordered', False).next()
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self.assertEqual('knit-ft-gz', record.storage_kind)
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def test_fetch_with_fallback_and_merge(self):
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builder = self.make_branch_builder('source', format='pack-0.92')
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builder.start_series()
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# A & B are present in the base (stacked-on) repository, A-E are
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# present in the source.
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# This reproduces bug #304841
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# We need a large enough inventory that total size of compressed deltas
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# is shorter than the size of a compressed fulltext. We have to use
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# random ids because otherwise the inventory fulltext compresses too
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# well and the deltas get bigger.
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('add', ('', 'TREE_ROOT', 'directory', None))]
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fname = 'file%03d' % (i,)
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fileid = '%s-%s' % (fname, osutils.rand_chars(64))
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to_add.append(('add', (fname, fileid, 'file', 'content\n')))
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builder.build_snapshot('A', None, to_add)
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builder.build_snapshot('B', ['A'], [])
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builder.build_snapshot('C', ['A'], [])
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builder.build_snapshot('D', ['C'], [])
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builder.build_snapshot('E', ['D'], [])
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builder.build_snapshot('F', ['E', 'B'], [])
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builder.finish_series()
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source_branch = builder.get_branch()
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source_branch.bzrdir.sprout('base', revision_id='B')
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target_branch = self.make_branch('target', format='1.6')
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target_branch.set_stacked_on_url('../base')
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source = source_branch.repository
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self.addCleanup(source.unlock)
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source.inventories = versionedfile.OrderingVersionedFilesDecorator(
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key_priority={('E',): 1, ('D',): 2, ('C',): 4,
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# Ensure that the content is yielded in the proper order, and given as
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records = [(record.key, record.storage_kind)
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for record in source.inventories.get_record_stream(
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[('D',), ('C',), ('E',), ('F',)], 'unordered', False)]
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self.assertEqual([(('E',), 'knit-delta-gz'), (('D',), 'knit-delta-gz'),
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(('F',), 'knit-delta-gz'), (('C',), 'knit-delta-gz')],
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target_branch.lock_write()
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self.addCleanup(target_branch.unlock)
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target = target_branch.repository
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target.fetch(source, revision_id='F')
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# 'C' should be expanded to a fulltext, but D and E should still be
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stream = target.inventories.get_record_stream(
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[('C',), ('D',), ('E',), ('F',)],
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kinds = dict((record.key, record.storage_kind) for record in stream)
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self.assertEqual({('C',): 'knit-ft-gz', ('D',): 'knit-delta-gz',
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('E',): 'knit-delta-gz', ('F',): 'knit-delta-gz'},
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class Test1To2Fetch(TestCaseWithTransport):
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"""Tests for Model1To2 failure modes"""
added
removed
bzrlib/tests/test_fetch.py
