def test_load_WhenCalledWithLogIndexAndBufferReader_WriteLogsAreCorrectlyAssigned(self):
logbuffer_reader = mock.Mock(read_entry = lambda pos: {0: ("log1", 1), 10: ("log2", 5)}[pos])
logindex = mock.Mock(tocommit = [ LogIndexEntry(LogIndexEntry.WRITE, 0),
LogIndexEntry(LogIndexEntry.WRITE, 10)])
logbuff = LogBuffer.load(logindex, logbuffer_reader)
self.assertEquals(logbuff.writelogs,
{(0, 1) : "log1", (10, 15): "log2"})
def test_load_WhenCalledWithLogIndexAndBufferReader_WriteLogsAreCorrectlyAssigned(
self):
logbuffer_reader = mock.Mock(read_entry=lambda pos: {
0: ("log1", 1),
10: ("log2", 5)
}[pos])
logindex = mock.Mock(tocommit=[
LogIndexEntry(LogIndexEntry.WRITE, 0),
LogIndexEntry(LogIndexEntry.WRITE, 10)
])
logbuff = LogBuffer.load(logindex, logbuffer_reader)
self.assertEquals(logbuff.writelogs, {
(0, 1): "log1",
(10, 15): "log2"
})
def load(cls, io):
chunkfile = ChunkFile.open(io)
_, logindexheader, logindexio = ChunkIO.from_name(chunkfile, LOG_INDEX_NAME)
_, logbufferheader, logbufferio = ChunkIO.from_name(chunkfile, LOG_BUFFER_NAME)
logindex_reader = LogIndexReader(logindexio, logindexheader.length/LogIndexEntrySerializer.SERIALIZED_LENGTH)
logindex = SerializedLogIndex.load(logindex_reader)
logbuffer_reader = LogBufferReader(logbufferio, logbufferheader.length)
logbuffer = LogBuffer.load(logindex, logbuffer_reader)
txlog = TransactionLog(chunkfile, logindex, logbuffer)
outpointchunk, outpointchunkheader = chunkfile.get_chunk(OUTPOINTS_NAME)
outpoint_io = TransactionalIO(txlog, outpointchunk)
outpoint_reader = OutpointIndexReader(outpoint_io, outpointchunkheader.length)
outpoints = SerializedItemSet.load(outpoint_reader)
return cls(txlog, outpoints)
def load(cls, io):
chunkfile = ChunkFile.open(io)
_, logindexheader, logindexio = ChunkIO.from_name(
chunkfile, LOG_INDEX_NAME)
_, logbufferheader, logbufferio = ChunkIO.from_name(
chunkfile, LOG_BUFFER_NAME)
logindex_reader = LogIndexReader(
logindexio,
logindexheader.length / LogIndexEntrySerializer.SERIALIZED_LENGTH)
logindex = SerializedLogIndex.load(logindex_reader)
logbuffer_reader = LogBufferReader(logbufferio, logbufferheader.length)
logbuffer = LogBuffer.load(logindex, logbuffer_reader)
txlog = TransactionLog(chunkfile, logindex, logbuffer)
outpointchunk, outpointchunkheader = chunkfile.get_chunk(
OUTPOINTS_NAME)
outpoint_io = TransactionalIO(txlog, outpointchunk)
outpoint_reader = OutpointIndexReader(outpoint_io,
outpointchunkheader.length)
outpoints = SerializedItemSet.load(outpoint_reader)
return cls(txlog, outpoints)