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# Copyright (C) 2010, 2011 Sebastian Thiel (byronimo@gmail.com) and contributors
#
# This module is part of GitDB and is released under
# the New BSD License: http://www.opensource.org/licenses/bsd-license.php
from git.test.db.lib import TestDBBase, with_rw_directory
from git.db.py.mem import PureMemoryDB
from git.db.py.loose import PureLooseObjectODB
        
class TestPureMemoryDB(TestDBBase):
    
    needs_ro_repo = False

    @with_rw_directory
    def test_writing(self, path):
        mdb = PureMemoryDB()
        
        # write data
        self._assert_object_writing_simple(mdb)
        
        # test stream copy
        ldb = PureLooseObjectODB(path)
        assert ldb.size() == 0
        num_streams_copied = mdb.stream_copy(mdb.sha_iter(), ldb)
        assert num_streams_copied == mdb.size()
        
        assert ldb.size() == mdb.size()
        for sha in mdb.sha_iter():
            assert ldb.has_object(sha)
            assert ldb.stream(sha).read() == mdb.stream(sha).read() 
        # END verify objects where copied and are equal