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68 lines
2.2 KiB
Python
68 lines
2.2 KiB
Python
from unittest.mock import patch
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from multipipes import Pipe
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from bigchaindb.db.utils import Connection
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from bigchaindb.pipelines.utils import ChangeFeed
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MOCK_CHANGEFEED_DATA = [{
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'new_val': 'seems like we have an insert here',
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'old_val': None,
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}, {
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'new_val': None,
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'old_val': 'seems like we have a delete here',
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}, {
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'new_val': 'seems like we have an update here',
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'old_val': 'seems like we have an update here',
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}]
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@patch.object(Connection, 'run', return_value=MOCK_CHANGEFEED_DATA)
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def test_changefeed_insert(mock_run):
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outpipe = Pipe()
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changefeed = ChangeFeed('backlog', ChangeFeed.INSERT)
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changefeed.outqueue = outpipe
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changefeed.run_forever()
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assert outpipe.get() == 'seems like we have an insert here'
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assert outpipe.qsize() == 0
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@patch.object(Connection, 'run', return_value=MOCK_CHANGEFEED_DATA)
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def test_changefeed_delete(mock_run):
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outpipe = Pipe()
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changefeed = ChangeFeed('backlog', ChangeFeed.DELETE)
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changefeed.outqueue = outpipe
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changefeed.run_forever()
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assert outpipe.get() == 'seems like we have a delete here'
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assert outpipe.qsize() == 0
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@patch.object(Connection, 'run', return_value=MOCK_CHANGEFEED_DATA)
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def test_changefeed_update(mock_run):
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outpipe = Pipe()
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changefeed = ChangeFeed('backlog', ChangeFeed.UPDATE)
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changefeed.outqueue = outpipe
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changefeed.run_forever()
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assert outpipe.get() == 'seems like we have an update here'
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assert outpipe.qsize() == 0
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@patch.object(Connection, 'run', return_value=MOCK_CHANGEFEED_DATA)
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def test_changefeed_multiple_operations(mock_run):
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outpipe = Pipe()
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changefeed = ChangeFeed('backlog', ChangeFeed.INSERT | ChangeFeed.UPDATE)
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changefeed.outqueue = outpipe
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changefeed.run_forever()
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assert outpipe.get() == 'seems like we have an insert here'
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assert outpipe.get() == 'seems like we have an update here'
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assert outpipe.qsize() == 0
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@patch.object(Connection, 'run', return_value=MOCK_CHANGEFEED_DATA)
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def test_changefeed_prefeed(mock_run):
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outpipe = Pipe()
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changefeed = ChangeFeed('backlog', ChangeFeed.INSERT, prefeed=[1, 2, 3])
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changefeed.outqueue = outpipe
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changefeed.run_forever()
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assert outpipe.qsize() == 4
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