pygit2/test/test_commit.py at master · libgit2/pygit2 · GitHub

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# 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 Commit, GitError, Oid, Repository, Signature, Tree

from pygit2.enums import ObjectType

from . import utils

COMMIT_SHA = '5fe808e8953c12735680c257f56600cb0de44b10'

COMMIT_SHA_TO_AMEND = (

'784855caf26449a1914d2cf62d12b9374d76ae78' # tip of the master branch

)

@utils.requires_refcount

def test_commit_refcount(barerepo: Repository) -> None:

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: Repository) -> None:

commit = barerepo[COMMIT_SHA]

assert isinstance(commit, Commit)

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\nThis 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: Repository) -> None:

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 isinstance(commit, Commit)

assert ObjectType.COMMIT.value == 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: Repository) -> None:

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 isinstance(commit, Commit)

assert ObjectType.COMMIT.value == 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: Repository) -> None:

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: Repository) -> None:

repo = barerepo

commit = repo[COMMIT_SHA_TO_AMEND]

assert isinstance(commit, Commit)

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 isinstance(amended_commit, Commit)

assert repo.head.target == amended_oid

assert ObjectType.COMMIT.value == 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: Repository) -> None:

repo = barerepo

commit = repo[COMMIT_SHA_TO_AMEND]

assert isinstance(commit, Commit)

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 isinstance(amended_commit, Commit)

assert isinstance(commit, Commit)

assert repo.head.target == amended_oid

assert ObjectType.COMMIT.value == 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: Repository) -> None:

repo = barerepo

# This commit isn't at the tip of the branch.

commit = repo['5fe808e8953c12735680c257f56600cb0de44b10']

assert isinstance(commit, Commit)

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: Repository) -> None:

repo = barerepo

commit = repo[COMMIT_SHA_TO_AMEND]

assert isinstance(commit, Commit)

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: Repository) -> None:

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

assert isinstance(alt_tree, 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) # type: ignore

with pytest.raises(TypeError):

repo.amend_commit(some_tree, None) # type: ignore

# Pass bad types for signatures

with pytest.raises(TypeError):

repo.amend_commit(commit, None, author='Toto') # type: ignore

with pytest.raises(TypeError):

repo.amend_commit(commit, None, committer='Toto') # type: ignore

# Pass bad refnames

with pytest.raises(ValueError):

repo.amend_commit(commit, 'this-ref-doesnt-exist') # type: ignore

with pytest.raises(TypeError):

repo.amend_commit(commit, repo) # type: ignore

# Pass bad trees

with pytest.raises(ValueError):

repo.amend_commit(commit, None, tree="can't parse this") # type: ignore

with pytest.raises(KeyError):

repo.amend_commit(commit, None, tree='baaaaad') # type: ignore

# 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 isinstance(amended_commit, Commit)

assert ObjectType.COMMIT.value == 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

pygit2/test/test_commit.py at master · libgit2/pygit2 · GitHub

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