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  • Committer: Robert Collins
  • Date: 2007-07-15 15:40:37 UTC
  • mto: (2592.3.33 repository)
  • mto: This revision was merged to the branch mainline in revision 2624.
  • Revision ID: robertc@robertcollins.net-20070715154037-3ar8g89decddc9su
Make GraphIndex accept nodes as key, value, references, so that the method
signature is closer to what a simple key->value index delivers. Also
change the behaviour when the reference list count is zero to accept
key, value as nodes, and emit key, value to make it identical in that case
to a simple key->value index. This may not be a good idea, but for now it
seems ok.

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bzrlib/tests/test_tuned_gzip.py
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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"""Tests for tuned_gzip."""
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    def decompress(self, buf):
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        """Return an empty string as though we are at eof."""
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        # note that the zlib module *overwrites* unused data
 
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        # note that the zlib module *overwrites* unused data 
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        # on writes after EOF.
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        self.unused_data = buf
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        return ''
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    def test__read_short_remainder(self):
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        # a _read call at the end of a compressed hunk should
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        # read more bytes if there is less than 8 bytes (the
 
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        # read more bytes if there is less than 8 bytes (the 
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        # gzip trailer) unread.
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        stream = StringIO('\0\0\0\0\0\0\0\0')
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        myfile = tuned_gzip.GzipFile(fileobj=stream)
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        self.assertEqual('', stream.read())
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        # and it should be new member time in the stream.
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        self.failUnless(myfile._new_member)
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class TestToGzip(TestCase):
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    def assertToGzip(self, chunks):
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        bytes = ''.join(chunks)
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        gzfromchunks = tuned_gzip.chunks_to_gzip(chunks)
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        gzfrombytes = tuned_gzip.bytes_to_gzip(bytes)
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        self.assertEqual(gzfrombytes, gzfromchunks)
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        decoded = tuned_gzip.GzipFile(fileobj=StringIO(gzfromchunks)).read()
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        self.assertEqual(bytes, decoded)
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    def test_single_chunk(self):
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        self.assertToGzip(['a modest chunk\nwith some various\nbits\n'])
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    def test_simple_text(self):
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        self.assertToGzip(['some\n', 'strings\n', 'to\n', 'process\n'])
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    def test_large_chunks(self):
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        self.assertToGzip(['a large string\n'*1024])
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        self.assertToGzip(['a large string\n']*1024)
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    def test_enormous_chunks(self):
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        self.assertToGzip(['a large string\n'*1024*256])
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        self.assertToGzip(['a large string\n']*1024*256)