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Viewing changes to bzrlib/benchmarks/bench_sftp.py

  • Committer: Canonical.com Patch Queue Manager
  • Date: 2010-09-01 08:02:42 UTC
  • mfrom: (5390.3.3 faster-revert-593560)
  • Revision ID: pqm@pqm.ubuntu.com-20100901080242-esg62ody4frwmy66
(spiv) Avoid repeatedly calling self.target.all_file_ids() in
 InterTree.iter_changes. (Andrew Bennetts)

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bzrlib/benchmarks/bench_sftp.py
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# Copyright (C) 2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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"""Tests for bzr performance over SFTP"""
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import os
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from bzrlib import (
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    bzrdir,
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    )
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from bzrlib.benchmarks import Benchmark
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from bzrlib.tests import test_sftp_transport, TestSkipped
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try:
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    import paramiko
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    paramiko_loaded = True
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except ImportError:
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    paramiko_loaded = False
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class SFTPBenchmark(Benchmark):
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    """Benchmark branch, push and pull across a local sftp connection."""
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    def setUp(self):
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        super(SFTPBenchmark, self).setUp()
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        if not paramiko_loaded:
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            raise TestSkipped('you must have paramiko to run this test')
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        test_sftp_transport.set_test_transport_to_sftp(self)
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    def test_branch(self):
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        os.mkdir("a")
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        tree, files = self.create_with_commits(100, 100, "a")
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        self.time(bzrdir.BzrDir.open(self.get_url('a')).sprout, "b")
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    def create_commit_and_pull(self, num_pull_revisions):
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        os.mkdir("a")
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        tree, files = self.create_with_commits(100, 100, "a")
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        rbzrdir = bzrdir.BzrDir.open(self.get_url('a'))
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        b2 = tree.bzrdir.sprout("b") # branch
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        # change a few files and commit
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        self.commit_some_revisions(tree, files, num_pull_revisions, 20)
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        self.time(b2.open_branch().pull, rbzrdir.open_branch())
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    def test_pull_1(self):
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        self.create_commit_and_pull(1)
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    def test_pull_10(self):
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        self.create_commit_and_pull(10)
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    def test_pull_100(self):
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        self.create_commit_and_pull(100)
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    def create_commit_and_push(self, num_push_revisions):
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        os.mkdir("a")
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        tree, files = self.create_with_commits(100, 100, "a")
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        rbzrdir = bzrdir.BzrDir.open(self.get_url('a'))
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        b2 = tree.bzrdir.sprout("b") # branch
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        wtree = b2.open_workingtree()
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        # change a few files and commit
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        self.commit_some_revisions(
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            wtree, ["b/%i" for i in range(100)],
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            num_commits=num_push_revisions,
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            changes_per_commit=20)
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        self.time(rbzrdir.open_branch().pull, wtree.branch)
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    def test_initial_push(self):
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        os.mkdir('a')
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        tree, files = self.create_with_commits(100, 100, "a")
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        self.time(tree.bzrdir.clone, self.get_url('b'),
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                  revision_id=tree.last_revision())
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    def test_push_1(self):
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        self.create_commit_and_push(1)
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    def test_push_10(self):
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        self.create_commit_and_push(10)
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    def test_push_100(self):
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        self.create_commit_and_push(100)
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class SFTPSlowSocketBenchmark(SFTPBenchmark):
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    """Benchmarks of SFTP performance with a 30ms delay per roundtrip."""
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    def setUp(self):
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        super(SFTPSlowSocketBenchmark, self).setUp()
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        self.get_server().add_latency = 0.03
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