# -*- coding: utf-8 -*-
# test_commit.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 git.test.lib import *
from git import *
from gitdb import IStream
from gitdb.util import hex_to_bin
from cStringIO import StringIO
import time
import sys
def assert_commit_serialization(rwrepo, commit_id, print_performance_info=False):
"""traverse all commits in the history of commit identified by commit_id and check
if the serialization works.
:param print_performance_info: if True, we will show how fast we are"""
ns = 0 # num serializations
nds = 0 # num deserializations
st = time.time()
for cm in rwrepo.commit(commit_id).traverse():
nds += 1
# assert that we deserialize commits correctly, hence we get the same
# sha on serialization
stream = StringIO()
cm._serialize(stream)
ns += 1
streamlen = stream.tell()
stream.seek(0)
istream = rwrepo.odb.store(IStream(Commit.type, streamlen, stream))
assert istream.hexsha == cm.hexsha
nc = Commit(rwrepo, Commit.NULL_BIN_SHA, cm.tree,
cm.author, cm.authored_date, cm.author_tz_offset,
cm.committer, cm.committed_date, cm.committer_tz_offset,
cm.message, cm.parents, cm.encoding)
assert nc.parents == cm.parents
stream = StringIO()
nc._serialize(stream)
ns += 1
streamlen = stream.tell()
stream.seek(0)
# reuse istream
istream.size = streamlen
istream.stream = stream
istream.binsha = None
nc.binsha = rwrepo.odb.store(istream).binsha
# if it worked, we have exactly the same contents !
assert nc.hexsha == cm.hexsha
# END check commits
elapsed = time.time() - st
if print_performance_info:
print >> sys.stderr, "Serialized %i and deserialized %i commits in %f s ( (%f, %f) commits / s" % (ns, nds, elapsed, ns/elapsed, nds/elapsed)
# END handle performance info
class TestCommit(TestBase):
def test_bake(self):
commit = self.rorepo.commit('2454ae89983a4496a445ce347d7a41c0bb0ea7ae')
# commits have no dict
self.failUnlessRaises(AttributeError, setattr, commit, 'someattr', 1)
commit.author # bake
assert_equal("Sebastian Thiel", commit.author.name)
assert_equal("byronimo@gmail.com", commit.author.email)
assert commit.author == commit.committer
assert isinstance(commit.authored_date, int) and isinstance(commit.committed_date, int)
assert isinstance(commit.author_tz_offset, int) and isinstance(commit.committer_tz_offset, int)
assert commit.message == "Added missing information to docstrings of commit and stats module\n"
def test_stats(self):
commit = self.rorepo.commit('33ebe7acec14b25c5f84f35a664803fcab2f7781')
stats = commit.stats
def check_entries(d):
assert isinstance(d, dict)
for key in ("insertions", "deletions", "lines"):
assert key in d
# END assertion helper
assert stats.files
assert stats.total
check_entries(stats.total)
assert "files" in stats.total
for filepath, d in stats.files.items():
check_entries(d)
# END for each stated file
# assure data is parsed properly
michael = Actor._from_string("Michael Trier ")
assert commit.author == michael
assert commit.committer == michael
assert commit.authored_date == 1210193388
assert commit.committed_date == 1210193388
assert commit.author_tz_offset == 14400, commit.author_tz_offset
assert commit.committer_tz_offset == 14400, commit.committer_tz_offset
assert commit.message == "initial project\n"
def test_unicode_actor(self):
# assure we can parse unicode actors correctly
name = " u".decode("utf-8")
assert len(name) == 9
special = Actor._from_string(u"%s " % name)
assert special.name == name
assert isinstance(special.name, unicode)
def test_traversal(self):
start = self.rorepo.commit("a4d06724202afccd2b5c54f81bcf2bf26dea7fff")
first = self.rorepo.commit("33ebe7acec14b25c5f84f35a664803fcab2f7781")
p0 = start.parents[0]
p1 = start.parents[1]
p00 = p0.parents[0]
p10 = p1.parents[0]
# basic branch first, depth first
dfirst = start.traverse(branch_first=False)
bfirst = start.traverse(branch_first=True)
assert dfirst.next() == p0
assert dfirst.next() == p00
assert bfirst.next() == p0
assert bfirst.next() == p1
assert bfirst.next() == p00
assert bfirst.next() == p10
# at some point, both iterations should stop
assert list(bfirst)[-1] == first
stoptraverse = self.rorepo.commit("254d04aa3180eb8b8daf7b7ff25f010cd69b4e7d").traverse(as_edge=True)
l = list(stoptraverse)
assert len(l[0]) == 2
# ignore self
assert start.traverse(ignore_self=False).next() == start
# depth
assert len(list(start.traverse(ignore_self=False, depth=0))) == 1
# prune
assert start.traverse(branch_first=1, prune=lambda i,d: i==p0).next() == p1
# predicate
assert start.traverse(branch_first=1, predicate=lambda i,d: i==p1).next() == p1
# traversal should stop when the beginning is reached
self.failUnlessRaises(StopIteration, first.traverse().next)
# parents of the first commit should be empty ( as the only parent has a null
# sha )
assert len(first.parents) == 0
def test_iteration(self):
# we can iterate commits
all_commits = Commit.list_items(self.rorepo, self.rorepo.head)
assert all_commits
assert all_commits == list(self.rorepo.iter_commits())
# this includes merge commits
mcomit = self.rorepo.commit('d884adc80c80300b4cc05321494713904ef1df2d')
assert mcomit in all_commits
# we can limit the result to paths
ltd_commits = list(self.rorepo.iter_commits(paths='CHANGES'))
assert ltd_commits and len(ltd_commits) < len(all_commits)
# show commits of multiple paths, resulting in a union of commits
less_ltd_commits = list(Commit.iter_items(self.rorepo, 'master', paths=('CHANGES', 'AUTHORS')))
assert len(ltd_commits) < len(less_ltd_commits)
def test_iter_items(self):
# pretty not allowed
self.failUnlessRaises(ValueError, Commit.iter_items, self.rorepo, 'master', pretty="raw")
def test_rev_list_bisect_all(self):
"""
'git rev-list --bisect-all' returns additional information
in the commit header. This test ensures that we properly parse it.
"""
revs = self.rorepo.git.rev_list('933d23bf95a5bd1624fbcdf328d904e1fa173474',
first_parent=True,
bisect_all=True)
commits = Commit._iter_from_process_or_stream(self.rorepo, StringProcessAdapter(revs))
expected_ids = (
'7156cece3c49544abb6bf7a0c218eb36646fad6d',
'1f66cfbbce58b4b552b041707a12d437cc5f400a',
'33ebe7acec14b25c5f84f35a664803fcab2f7781',
'933d23bf95a5bd1624fbcdf328d904e1fa173474'
)
for sha1, commit in zip(expected_ids, commits):
assert_equal(sha1, commit.hexsha)
def test_count(self):
assert self.rorepo.tag('refs/tags/0.1.5').commit.count( ) == 143
def test_list(self):
assert isinstance(Commit.list_items(self.rorepo, '0.1.5', max_count=5)[hex_to_bin('5117c9c8a4d3af19a9958677e45cda9269de1541')], Commit)
def test_str(self):
commit = Commit(self.rorepo, Commit.NULL_BIN_SHA)
assert_equal(Commit.NULL_HEX_SHA, str(commit))
def test_repr(self):
commit = Commit(self.rorepo, Commit.NULL_BIN_SHA)
assert_equal('' % Commit.NULL_HEX_SHA, repr(commit))
def test_equality(self):
commit1 = Commit(self.rorepo, Commit.NULL_BIN_SHA)
commit2 = Commit(self.rorepo, Commit.NULL_BIN_SHA)
commit3 = Commit(self.rorepo, "\1"*20)
assert_equal(commit1, commit2)
assert_not_equal(commit2, commit3)
def test_iter_parents(self):
# should return all but ourselves, even if skip is defined
c = self.rorepo.commit('0.1.5')
for skip in (0, 1):
piter = c.iter_parents(skip=skip)
first_parent = piter.next()
assert first_parent != c
assert first_parent == c.parents[0]
# END for each
def test_base(self):
name_rev = self.rorepo.head.commit.name_rev
assert isinstance(name_rev, basestring)
@with_rw_repo('HEAD', bare=True)
def test_serialization(self, rwrepo):
# create all commits of our repo
assert_commit_serialization(rwrepo, '0.1.6')
def test_serialization_unicode_support(self):
assert Commit.default_encoding.lower() == 'utf-8'
# create a commit with unicode in the message, and the author's name
# Verify its serialization and deserialization
cmt = self.rorepo.commit('0.1.6')
assert isinstance(cmt.message, unicode) # it automatically decodes it as such
assert isinstance(cmt.author.name, unicode) # same here
cmt.message = "".decode("utf-8")
assert len(cmt.message) == 5
cmt.author.name = "".decode("utf-8")
assert len(cmt.author.name) == 3
cstream = StringIO()
cmt._serialize(cstream)
cstream.seek(0)
assert len(cstream.getvalue())
ncmt = Commit(self.rorepo, cmt.binsha)
ncmt._deserialize(cstream)
assert cmt.author.name == ncmt.author.name
assert cmt.message == ncmt.message
# actually, it can't be printed in a shell as repr wants to have ascii only
# it appears
cmt.author.__repr__()