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test_commit.py
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129 lines (109 loc) · 3.89 KB
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# Copyright (C) 2008, 2009 Michael Trier (mtrier@gmail.com) and contributors
#
# This module is part of GitPython and is released under the
# 3-Clause BSD License: https://opensource.org/license/bsd-3-clause/
"""Performance tests for commits (iteration, traversal, and serialization)."""
importgc
fromioimportBytesIO
fromtimeimporttime
importsys
fromgitdbimportIStream
fromgitimportCommit
fromtest.performance.libimportTestBigRepoRW
fromtest.test_commitimportTestCommitSerialization
classTestPerformance(TestBigRepoRW,TestCommitSerialization):
deftearDown(self):
gc.collect()
# 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
deftest_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). This should return quite a lot of
# commits. We just take one and hence abort the operation.
st=time()
forcinself.rorepo.iter_commits(self.ref_100):
nc+=1
self._query_commit_info(c)
forobjinc.tree.traverse():
obj.size
no+=1
# END for each object
# END for each commit
elapsed_time=time()-st
print(
"Traversed %i Trees and a total of %i uncached objects in %s [s] ( %f objs/s )"
% (nc,no,elapsed_time,no/elapsed_time),
file=sys.stderr,
)
deftest_commit_traversal(self):
# Bound to cat-file parsing performance.
nc=0
st=time()
forcinself.gitrorepo.commit().traverse(branch_first=False):
nc+=1
self._query_commit_info(c)
# END for each traversed commit
elapsed_time=time()-st
print(
"Traversed %i Commits in %s [s] ( %f commits/s )"% (nc,elapsed_time,nc/elapsed_time),
file=sys.stderr,
)
deftest_commit_iteration(self):
# Bound to stream parsing performance.
nc=0
st=time()
forcinCommit.iter_items(self.gitrorepo,self.gitrorepo.head):
nc+=1
self._query_commit_info(c)
# END for each traversed commit
elapsed_time=time()-st
print(
"Iterated %i Commits in %s [s] ( %f commits/s )"% (nc,elapsed_time,nc/elapsed_time),
file=sys.stderr,
)
deftest_commit_serialization(self):
self.assert_commit_serialization(self.gitrwrepo,"58c78e6",True)
rwrepo=self.gitrwrepo
make_object=rwrepo.odb.store
# Direct serialization - deserialization can be tested afterwards.
# Serialization is probably limited on IO.
hc=rwrepo.commit(rwrepo.head)
nc=5000
st=time()
foriinrange(nc):
cm=Commit(
rwrepo,
Commit.NULL_BIN_SHA,
hc.tree,
hc.author,
hc.authored_date,
hc.author_tz_offset,
hc.committer,
hc.committed_date,
hc.committer_tz_offset,
str(i),
parents=hc.parents,
encoding=hc.encoding,
)
stream=BytesIO()
cm._serialize(stream)
slen=stream.tell()
stream.seek(0)
cm.binsha=make_object(IStream(Commit.type,slen,stream)).binsha
# END commit creation
elapsed=time()-st
print(
"Serialized %i commits to loose objects in %f s ( %f commits / s )"% (nc,elapsed,nc/elapsed),
file=sys.stderr,
)