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# Copyright (C) 2007 Canonical Ltd
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program 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; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""Test the model for interacting with the git process, etc."""
from bzrlib.plugins.git import tests
from bzrlib.plugins.git.gitlib import (
errors,
model,
)
class TestModel(tests.TestCaseInTempDir):
def test_no_head(self):
tests.run_git('init')
themodel = model.GitModel('.git')
self.assertIs(None, themodel.get_head())
def test_no_repository(self):
themodel = model.GitModel('.git')
self.assertRaises(errors.GitCommandError, themodel.get_head)
def test_ancestors(self):
tests.run_git('init')
builder = tests.GitBranchBuilder()
file_handle = builder.set_file('a', 'text for a\n', False)
commit1_handle = builder.commit('Joe Foo <joe@foo.com>', u'message')
file2_handle = builder.set_file('a', 'new a\n', False)
commit2_handle = builder.commit('Joe Foo <joe@foo.com>', u'new a')
file3_handle = builder.set_file('b', 'text for b\n', False)
commit3_handle = builder.commit('Jerry Bar <jerry@foo.com>', u'b',
base=commit1_handle)
commit4_handle = builder.commit('Jerry Bar <jerry@foo.com>', u'merge',
base=commit3_handle,
merge=[commit2_handle],)
mapping = builder.finish()
commit1_id = mapping[commit1_handle]
commit2_id = mapping[commit2_handle]
commit3_id = mapping[commit3_handle]
commit4_id = mapping[commit4_handle]
revisions = tests.run_git('rev-list', '--topo-order',
commit4_id)
revisions = revisions.splitlines()
self.assertEqual([commit4_id, commit2_id, commit3_id, commit1_id],
revisions)
graph = {revisions[0]:[revisions[2], revisions[1]],
revisions[1]:[revisions[3]],
revisions[2]:[revisions[3]],
revisions[3]:[],
}
themodel = model.GitModel('.git')
tests.run_git('reset', '--hard', commit4_id)
self.assertEqual(revisions[0], themodel.get_head())
self.assertEqual(graph, themodel.ancestry([revisions[0]]))
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