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# Copyright (C) 2012-2015  Codethink Limited
#
# 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; version 2 of the License.
#
# 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.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.


'''Collected utilities for use in automated tests of Morph.'''


import fs

import morphlib


def example_chunk():
    '''Returns a chunk source with some artifacts.'''

    loader = morphlib.morphloader.MorphologyLoader()
    morph = loader.load_from_string(
        '''
            name: test
            kind: chunk
            products:
              - artifact: chunk-runtime
                include:
                  - usr/bin
                  - usr/sbin
                  - usr/lib
                  - usr/libexec
              - artifact: chunk-devel
                include:
                  - usr/include
              - artifact: chunk-doc
                include:
                  - usr/share/doc
        ''')

    source = next(morphlib.source.make_sources(
        'repo', 'original/ref', 'chunk.morph', 'sha1', 'tree', morph))
    source.cache_key = 'CHUNK'
    return source


class FakeLocalArtifactCache(morphlib.localartifactcache.LocalArtifactCache):
    def __init__(self):
        super(FakeLocalArtifactCache, self).__init__(fs.tempfs.TempFS())