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# Copyright 2010-2024 The pygit2 contributors
#
# This file 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.
#
# In addition to the permissions in the GNU General Public License,
# the authors give you unlimited permission to link the compiled
# version of this file into combinations with other programs,
# and to distribute those combinations without any restriction
# coming from the use of this file. (The General Public License
# restrictions do apply in other respects; for example, they cover
# modification of the file, and distribution when not linked into
# a combined executable.)
#
# This file 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; see the file COPYING. If not, write to
# the Free Software Foundation, 51 Franklin Street, Fifth Floor,
# Boston, MA 02110-1301, USA.
"""Tests for Commit objects."""
import sys
import pytest
from pygit2 import Signature, Oid, GitError
from pygit2.enums import ObjectType
from . import utils
COMMIT_SHA = '5fe808e8953c12735680c257f56600cb0de44b10'
COMMIT_SHA_TO_AMEND = (
'784855caf26449a1914d2cf62d12b9374d76ae78' # tip of the master branch
)
@utils.refcount
def test_commit_refcount(barerepo):
commit = barerepo[COMMIT_SHA]
start = sys.getrefcount(commit)
tree = commit.tree
del tree
end = sys.getrefcount(commit)
assert start == end
def test_read_commit(barerepo):
commit = barerepo[COMMIT_SHA]
assert COMMIT_SHA == commit.id
parents = commit.parents
assert 1 == len(parents)
assert 'c2792cfa289ae6321ecf2cd5806c2194b0fd070c' == parents[0].id
assert commit.message_encoding is None
assert commit.message == (
'Second test data commit.\n\n' 'This commit has some additional text.\n'
)
commit_time = 1288481576
assert commit_time == commit.commit_time
assert commit.committer == Signature(
'Dave Borowitz', 'dborowitz@google.com', commit_time, -420
)
assert commit.author == Signature(
'Dave Borowitz', 'dborowitz@google.com', 1288477363, -420
)
assert '967fce8df97cc71722d3c2a5930ef3e6f1d27b12' == commit.tree.id
def test_new_commit(barerepo):
repo = barerepo
message = 'New commit.\n\nMessage with non-ascii chars: ééé.\n'
committer = Signature('John Doe', 'jdoe@example.com', 12346, 0)
author = Signature(
'J. David Ibáñez', 'jdavid@example.com', 12345, 0, encoding='utf-8'
)
tree = '967fce8df97cc71722d3c2a5930ef3e6f1d27b12'
tree_prefix = tree[:5]
too_short_prefix = tree[:3]
parents = [COMMIT_SHA[:5]]
with pytest.raises(ValueError):
repo.create_commit(None, author, committer, message, too_short_prefix, parents)
sha = repo.create_commit(None, author, committer, message, tree_prefix, parents)
commit = repo[sha]
assert ObjectType.COMMIT == commit.type
assert '98286caaab3f1fde5bf52c8369b2b0423bad743b' == commit.id
assert commit.message_encoding is None
assert message == commit.message
assert 12346 == commit.commit_time
assert committer == commit.committer
assert author == commit.author
assert tree == commit.tree.id
assert Oid(hex=tree) == commit.tree_id
assert 1 == len(commit.parents)
assert COMMIT_SHA == commit.parents[0].id
assert Oid(hex=COMMIT_SHA) == commit.parent_ids[0]
def test_new_commit_encoding(barerepo):
repo = barerepo
encoding = 'iso-8859-1'
message = 'New commit.\n\nMessage with non-ascii chars: ééé.\n'
committer = Signature('John Doe', 'jdoe@example.com', 12346, 0, encoding)
author = Signature('J. David Ibáñez', 'jdavid@example.com', 12345, 0, encoding)
tree = '967fce8df97cc71722d3c2a5930ef3e6f1d27b12'
tree_prefix = tree[:5]
parents = [COMMIT_SHA[:5]]
sha = repo.create_commit(
None, author, committer, message, tree_prefix, parents, encoding
)
commit = repo[sha]
assert ObjectType.COMMIT == commit.type
assert 'iso-8859-1' == commit.message_encoding
assert message.encode(encoding) == commit.raw_message
assert 12346 == commit.commit_time
assert committer == commit.committer
assert author == commit.author
assert tree == commit.tree.id
assert Oid(hex=tree) == commit.tree_id
assert 1 == len(commit.parents)
assert COMMIT_SHA == commit.parents[0].id
assert Oid(hex=COMMIT_SHA) == commit.parent_ids[0]
def test_modify_commit(barerepo):
message = 'New commit.\n\nMessage.\n'
committer = ('John Doe', 'jdoe@example.com', 12346)
author = ('Jane Doe', 'jdoe2@example.com', 12345)
commit = barerepo[COMMIT_SHA]
with pytest.raises(AttributeError):
setattr(commit, 'message', message)
with pytest.raises(AttributeError):
setattr(commit, 'committer', committer)
with pytest.raises(AttributeError):
setattr(commit, 'author', author)
with pytest.raises(AttributeError):
setattr(commit, 'tree', None)
with pytest.raises(AttributeError):
setattr(commit, 'parents', None)
def test_amend_commit_metadata(barerepo):
repo = barerepo
commit = repo[COMMIT_SHA_TO_AMEND]
assert commit.id == repo.head.target
encoding = 'iso-8859-1'
amended_message = 'Amended commit message.\n\nMessage with non-ascii chars: ééé.\n'
amended_author = Signature(
'Jane Author', 'jane@example.com', 12345, 0, encoding=encoding
)
amended_committer = Signature(
'John Committer', 'john@example.com', 12346, 0, encoding=encoding
)
amended_oid = repo.amend_commit(
commit,
'HEAD',
message=amended_message,
author=amended_author,
committer=amended_committer,
encoding=encoding,
)
amended_commit = repo[amended_oid]
assert repo.head.target == amended_oid
assert ObjectType.COMMIT == amended_commit.type
assert amended_committer == amended_commit.committer
assert amended_author == amended_commit.author
assert amended_message.encode(encoding) == amended_commit.raw_message
assert commit.author != amended_commit.author
assert commit.committer != amended_commit.committer
assert commit.tree == amended_commit.tree # we didn't touch the tree
def test_amend_commit_tree(barerepo):
repo = barerepo
commit = repo[COMMIT_SHA_TO_AMEND]
assert commit.id == repo.head.target
tree = '967fce8df97cc71722d3c2a5930ef3e6f1d27b12'
tree_prefix = tree[:5]
amended_oid = repo.amend_commit(commit, 'HEAD', tree=tree_prefix)
amended_commit = repo[amended_oid]
assert repo.head.target == amended_oid
assert ObjectType.COMMIT == amended_commit.type
assert commit.message == amended_commit.message
assert commit.author == amended_commit.author
assert commit.committer == amended_commit.committer
assert commit.tree_id != amended_commit.tree_id
assert Oid(hex=tree) == amended_commit.tree_id
def test_amend_commit_not_tip_of_branch(barerepo):
repo = barerepo
# This commit isn't at the tip of the branch.
commit = repo['5fe808e8953c12735680c257f56600cb0de44b10']
assert commit.id != repo.head.target
# Can't update HEAD to the rewritten commit because it's not the tip of the branch.
with pytest.raises(GitError):
repo.amend_commit(commit, 'HEAD', message="this won't work!")
# We can still amend the commit if we don't try to update a ref.
repo.amend_commit(commit, None, message='this will work')
def test_amend_commit_no_op(barerepo):
repo = barerepo
commit = repo[COMMIT_SHA_TO_AMEND]
assert commit.id == repo.head.target
amended_oid = repo.amend_commit(commit, None)
assert amended_oid == commit.id
def test_amend_commit_argument_types(barerepo):
repo = barerepo
some_tree = repo['967fce8df97cc71722d3c2a5930ef3e6f1d27b12']
commit = repo[COMMIT_SHA_TO_AMEND]
alt_commit1 = Oid(hex=COMMIT_SHA_TO_AMEND)
alt_commit2 = COMMIT_SHA_TO_AMEND
alt_tree = some_tree
alt_refname = (
repo.head
) # try this one last, because it'll change the commit at the tip
# Pass bad values/types for the commit
with pytest.raises(ValueError):
repo.amend_commit(None, None)
with pytest.raises(TypeError):
repo.amend_commit(some_tree, None)
# Pass bad types for signatures
with pytest.raises(TypeError):
repo.amend_commit(commit, None, author='Toto')
with pytest.raises(TypeError):
repo.amend_commit(commit, None, committer='Toto')
# Pass bad refnames
with pytest.raises(ValueError):
repo.amend_commit(commit, 'this-ref-doesnt-exist')
with pytest.raises(TypeError):
repo.amend_commit(commit, repo)
# Pass bad trees
with pytest.raises(ValueError):
repo.amend_commit(commit, None, tree="can't parse this")
with pytest.raises(KeyError):
repo.amend_commit(commit, None, tree='baaaaad')
# Pass an Oid for the commit
amended_oid = repo.amend_commit(alt_commit1, None, message='Hello')
amended_commit = repo[amended_oid]
assert ObjectType.COMMIT == amended_commit.type
assert amended_oid != COMMIT_SHA_TO_AMEND
# Pass a str for the commit
amended_oid = repo.amend_commit(alt_commit2, None, message='Hello', tree=alt_tree)
amended_commit = repo[amended_oid]
assert ObjectType.COMMIT == amended_commit.type
assert amended_oid != COMMIT_SHA_TO_AMEND
assert repo[COMMIT_SHA_TO_AMEND].tree != amended_commit.tree
assert alt_tree.id == amended_commit.tree_id
# Pass an actual reference object for refname
# (Warning: the tip of the branch will be altered after this test!)
amended_oid = repo.amend_commit(alt_commit2, alt_refname, message='Hello')
amended_commit = repo[amended_oid]
assert ObjectType.COMMIT == amended_commit.type
assert amended_oid != COMMIT_SHA_TO_AMEND
assert repo.head.target == amended_oid
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