File: test_treebuilder.py

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# Copyright 2010-2020 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.


TREE_SHA = '967fce8df97cc71722d3c2a5930ef3e6f1d27b12'


def test_new_empty_treebuilder(barerepo):
    barerepo.TreeBuilder()


def test_noop_treebuilder(barerepo):
    tree = barerepo[TREE_SHA]
    bld = barerepo.TreeBuilder(TREE_SHA)
    result = bld.write()

    assert len(bld) == len(tree)
    assert tree.id == result


def test_noop_treebuilder_from_tree(barerepo):
    tree = barerepo[TREE_SHA]
    bld = barerepo.TreeBuilder(tree)
    result = bld.write()

    assert len(bld) == len(tree)
    assert tree.id == result


def test_rebuild_treebuilder(barerepo):
    tree = barerepo[TREE_SHA]
    bld = barerepo.TreeBuilder()
    for entry in tree:
        name = entry.name
        assert bld.get(name) is None
        bld.insert(name, entry.hex, entry.filemode)
        assert bld.get(name).id == entry.id
    result = bld.write()

    assert len(bld) == len(tree)
    assert tree.id == result