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https://github.com/bigchaindb/bigchaindb.git
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8a68e24e69
* Add README.md to tests/ to describe test structure and pytest customizations * Add package-level docstrings to backends * Add README.md explaining the backend architecture * Small improvements to docstrings in backend modules * Restructure the backend automodule docs * Add more docstrings to backend connections * Add init to base backend Connection class to document expected interface * Reword the backend/README.md docs
81 lines
2.6 KiB
Python
81 lines
2.6 KiB
Python
import pytest
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from unittest.mock import Mock
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from multipipes import Pipe
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from bigchaindb import Bigchain
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from bigchaindb.backend.connection import Connection
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from bigchaindb.pipelines.utils import ChangeFeed
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@pytest.fixture
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def mock_changefeed_data():
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return [
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{
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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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]
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@pytest.fixture
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def mock_changefeed_bigchain(mock_changefeed_data):
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connection = Connection(host=None, port=None, dbname=None)
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connection.run = Mock(return_value=mock_changefeed_data)
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return Bigchain(connection=connection)
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def test_changefeed_insert(mock_changefeed_bigchain):
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outpipe = Pipe()
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changefeed = ChangeFeed('backlog', ChangeFeed.INSERT, bigchain=mock_changefeed_bigchain)
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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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def test_changefeed_delete(mock_changefeed_bigchain):
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outpipe = Pipe()
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changefeed = ChangeFeed('backlog', ChangeFeed.DELETE, bigchain=mock_changefeed_bigchain)
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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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def test_changefeed_update(mock_changefeed_bigchain):
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outpipe = Pipe()
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changefeed = ChangeFeed('backlog', ChangeFeed.UPDATE, bigchain=mock_changefeed_bigchain)
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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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def test_changefeed_multiple_operations(mock_changefeed_bigchain):
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outpipe = Pipe()
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changefeed = ChangeFeed('backlog',
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ChangeFeed.INSERT | ChangeFeed.UPDATE,
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bigchain=mock_changefeed_bigchain)
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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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def test_changefeed_prefeed(mock_changefeed_bigchain):
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outpipe = Pipe()
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changefeed = ChangeFeed('backlog',
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ChangeFeed.INSERT,
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prefeed=[1, 2, 3],
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bigchain=mock_changefeed_bigchain)
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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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