# Copyright (C) 2006 by Canonical Ltd # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License version 2 as published by # the Free Software Foundation. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA """Tests for bzr bundle performance.""" import os import shutil from cStringIO import StringIO from bzrlib.add import smart_add from bzrlib import bzrdir from bzrlib.benchmarks import Benchmark from bzrlib.branch import Branch from bzrlib.bundle import read_bundle from bzrlib.bundle.serializer import write_bundle from bzrlib.revisionspec import RevisionSpec from bzrlib.workingtree import WorkingTree class BundleBenchmark(Benchmark): """The bundle tests should (also) be done at a lower level with direct call to the bzrlib. """ def make_kernel_like_tree_committed(self): self.make_kernel_like_added_tree() self.run_bzr('commit', '-m', 'initial import') def test_create_bundle_known_kernel_like_tree(self): """Create a bundle for a kernel sized tree with no ignored, unknowns, or added and one commit. """ self.make_kernel_like_committed_tree() self.time(self.run_bzr, 'bundle', '--revision', '..-1') def test_create_bundle_many_commit_tree (self): """Create a bundle for a tree with many commits but no changes.""" self.make_many_commit_tree() self.time(self.run_bzr, 'bundle', '--revision', '..-1') def test_create_bundle_heavily_merged_tree(self): """Create a bundle for a heavily merged tree.""" self.make_heavily_merged_tree() self.time(self.run_bzr, 'bundle', '--revision', '..-1') def test_apply_bundle_known_kernel_like_tree(self): """Create a bundle for a kernel sized tree with no ignored, unknowns, or added and one commit. """ self.make_kernel_like_tree_committed() f = file('../bundle', 'wb') try: f.write(self.run_bzr('bundle', '--revision', '..-1')[0]) finally: f.close() self.run_bzr("init", "../branch_a") os.chdir('../branch_a') self.time(self.run_bzr, 'merge', '../bundle') class BundleLibraryLevelBenchmark(Benchmark): def _time_read_write(self): branch, relpath = Branch.open_containing("a") revision_history = branch.revision_history() bundle_text = StringIO() self.time(write_bundle, branch.repository, revision_history[-1], None, bundle_text) bundle_text.seek(0) self.time(read_bundle, bundle_text) def test_few_files_small_tree_1_revision(self): os.mkdir("a") tree, files = self.create_with_commits(5, 1, directory_name="a") self.commit_some_revisions(tree, files[:5], 1, 1) self._time_read_write() def test_few_files_small_tree_500_revision(self): os.mkdir("a") tree, files = self.create_with_commits(5, 1, directory_name="a") self.commit_some_revisions(tree, files[:5], 500, 1) self._time_read_write() def test_few_files_small_tree_1000_revision(self): os.mkdir("a") tree, files = self.create_with_commits(5, 1, directory_name="a") self.commit_some_revisions(tree, files[:5], 1000, 1) self._time_read_write() def test_few_files_moderate_tree_1_revision(self): os.mkdir("a") tree, files = self.create_with_commits(100, 1, directory_name="a") self.commit_some_revisions(tree, files[:5], 1, 1) self._time_read_write() def test_few_files_moderate_tree_500_revision(self): os.mkdir("a") tree, files = self.create_with_commits(100, 1, directory_name="a") self.commit_some_revisions(tree, files[:5], 500, 1) self._time_read_write() def test_few_files_moderate_tree_1000_revision(self): os.mkdir("a") tree, files = self.create_with_commits(100, 1, directory_name="a") self.commit_some_revisions(tree, files[:5], 1000, 1) self._time_read_write() def test_some_files_moderate_tree_1_revision(self): os.mkdir("a") tree, files = self.create_with_commits(100, 1, directory_name="a") self.commit_some_revisions(tree, files[:100], 1, 1) self._time_read_write() def test_some_files_moderate_tree_500_revision(self): os.mkdir("a") tree, files = self.create_with_commits(100, 1, directory_name="a") self.commit_some_revisions(tree, files[:100], 500, 1) self._time_read_write() def test_some_files_moderate_tree_1000_revision(self): os.mkdir("a") tree, files = self.create_with_commits(100, 1, directory_name="a") self.commit_some_revisions(tree, files[:100], 1000, 1) self._time_read_write() def test_few_files_big_tree_1_revision(self): os.mkdir("a") tree, files = self.create_with_commits(1000, 1, directory_name="a") self.commit_some_revisions(tree, files[:5], 1, 1) self._time_read_write() def test_few_files_big_tree_500_revision(self): os.mkdir("a") tree, files = self.create_with_commits(1000, 1, directory_name="a") self.commit_some_revisions(tree, files[:5], 500, 1) self._time_read_write() def test_few_files_big_tree_1000_revision(self): os.mkdir("a") tree, files = self.create_with_commits(1000, 1, directory_name="a") self.commit_some_revisions(tree, files[:5], 1000, 1) self._time_read_write() def test_some_files_big_tree_1_revision(self): os.mkdir("a") tree, files = self.create_with_commits(1000, 1, directory_name="a") self.commit_some_revisions(tree, files[:100], 1, 1) self._time_read_write() def test_some_files_big_tree_500_revision(self): os.mkdir("a") tree, files = self.create_with_commits(1000, 1, directory_name="a") self.commit_some_revisions(tree, files[:100], 500, 1) self._time_read_write() def test_some_files_big_tree_1000_revision(self): os.mkdir("a") tree, files = self.create_with_commits(1000, 1, directory_name="a") self.commit_some_revisions(tree, files[:100], 1000, 1) self._time_read_write() def test_many_files_big_tree_1_revision(self): os.mkdir("a") tree, files = self.create_with_commits(1000, 1, directory_name="a") self.commit_some_revisions(tree, files[:1000], 1, 1) self._time_read_write() def test_many_files_big_tree_500_revision(self): os.mkdir("a") tree, files = self.create_with_commits(1000, 1, directory_name="a") self.commit_some_revisions(tree, files[:1000], 500, 1) self._time_read_write() def test_many_files_big_tree_1000_revision(self): os.mkdir("a") tree, files = self.create_with_commits(1000, 1, directory_name="a") self.commit_some_revisions(tree, files[:1000], 1000, 1) self._time_read_write() if __name__ == '__main__': # USE the following if you want to regenerate the above test functions for treesize, treesize_h in [(5, "small"), (100, "moderate"), (1000, "big")]: for bundlefiles, bundlefiles_h in [(5, "few"), (100, "some"), (1000, "many")]: if bundlefiles > treesize: continue for num_revisions in [1, 500, 1000]: code = """\ def test_%s_files_%s_tree_%s_revision(self): os.mkdir("a") tree, files = self.create_with_commits(%s, 1, directory_name="a") self.commit_some_revisions(tree, files[:%s], %s, 1) self._time_read_write() """ % (bundlefiles_h, treesize_h, num_revisions, treesize, bundlefiles, num_revisions) print code