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# test_performance.py
# Copyright (C) 2008, 2009 Michael Trier (mtrier@gmail.com) and contributors
#
# This module is part of GitPython and is released under
# the BSD License: http://www.opensource.org/licenses/bsd-license.php
from test.testlib import *
from git import *
from time import time
import sys
class TestPerformance(TestBase):
# ref with about 100 commits in its history
ref_100 = '0.1.6'
def _query_commit_info(self, c):
c.author
c.authored_date
c.author_tz_offset
c.committer
c.committed_date
c.committer_tz_offset
c.message
c.parents
def test_iteration(self):
no = 0
nc = 0
# find the first commit containing the given path - always do a full
# iteration ( restricted to the path in question ), but in fact it should
# return quite a lot of commits, we just take one and hence abort the operation
st = time()
for c in self.rorepo.iter_commits(self.ref_100):
nc += 1
self._query_commit_info(c)
for obj in c.tree.traverse():
obj.size
no += 1
# END for each object
# END for each commit
elapsed_time = time() - st
print >> sys.stderr, "Traversed %i Trees and a total of %i unchached objects in %s [s] ( %f objs/s )" % (nc, no, elapsed_time, no/elapsed_time)
def test_commit_traversal(self):
# bound to cat-file parsing performance
nc = 0
st = time()
for c in self.rorepo.commit(self.ref_100).traverse(branch_first=False):
nc += 1
self._query_commit_info(c)
# END for each traversed commit
elapsed_time = time() - st
print >> sys.stderr, "Traversed %i Commits in %s [s] ( %f commits/s )" % (nc, elapsed_time, nc/elapsed_time)
def test_commit_iteration(self):
# bound to stream parsing performance
nc = 0
st = time()
for c in Commit.iter_items(self.rorepo, self.ref_100):
nc += 1
self._query_commit_info(c)
# END for each traversed commit
elapsed_time = time() - st
print >> sys.stderr, "Iterated %i Commits in %s [s] ( %f commits/s )" % (nc, elapsed_time, nc/elapsed_time)
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