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# Copyright 2010-2026 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 revision parsing."""

from pytest import raises

from pygit2 import InvalidSpecError, Repository

from pygit2.enums import RevSpecFlag

HEAD_SHA = '2be5719152d4f82c7302b1c0932d8e5f0a4a0e98'

PARENT_SHA = '5ebeeebb320790caf276b9fc8b24546d63316533' # HEAD^

def test_revparse_single(testrepo: Repository) -> None:

assert testrepo.revparse_single('HEAD').id == HEAD_SHA

assert testrepo.revparse_single('HEAD^').id == PARENT_SHA

o = testrepo.revparse_single('@{-1}')

assert o.id == '5470a671a80ac3789f1a6a8cefbcf43ce7af0563'

def test_revparse_ext(testrepo: Repository) -> None:

o, r = testrepo.revparse_ext('master')

assert o.id == HEAD_SHA

assert r == testrepo.references['refs/heads/master']

o, r = testrepo.revparse_ext('HEAD^')

assert o.id == PARENT_SHA

assert r is None

o, r = testrepo.revparse_ext('i18n')

assert str(o.id).startswith('5470a67')

assert r == testrepo.references['refs/heads/i18n']

def test_revparse_1(testrepo: Repository) -> None:

s = testrepo.revparse('master')

assert s.from_object.id == HEAD_SHA

assert s.to_object is None

assert s.flags == RevSpecFlag.SINGLE

def test_revparse_range_1(testrepo: Repository) -> None:

s = testrepo.revparse('HEAD^1..acecd5e')

assert s.from_object.id == PARENT_SHA

assert str(s.to_object.id).startswith('acecd5e')

assert s.flags == RevSpecFlag.RANGE

def test_revparse_range_2(testrepo: Repository) -> None:

s = testrepo.revparse('HEAD...i18n')

assert str(s.from_object.id).startswith('2be5719')

assert str(s.to_object.id).startswith('5470a67')

assert s.flags == RevSpecFlag.RANGE | RevSpecFlag.MERGE_BASE

assert testrepo.merge_base(s.from_object.id, s.to_object.id) is not None

def test_revparse_range_errors(testrepo: Repository) -> None:

with raises(KeyError):

testrepo.revparse('nope..2be571915')

with raises(InvalidSpecError):

testrepo.revparse('master............2be571915')

def test_revparse_repr(testrepo: Repository) -> None:

s = testrepo.revparse('HEAD...i18n')

assert (

repr(s)

== '<pygit2.RevSpec{from=<pygit2.Object{commit:2be5719152d4f82c7302b1c0932d8e5f0a4a0e98}>,to=<pygit2.Object{commit:5470a671a80ac3789f1a6a8cefbcf43ce7af0563}>}>'

)