[7.x] Add async helpers
This commit is contained in:
Seth Michael Larson
committed by
Seth Michael Larson
Seth Michael Larson
parent
62e2b16cdf
commit
680ab85275
@@ -0,0 +1,751 @@
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# Licensed to Elasticsearch B.V. under one or more contributor
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# license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright
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# ownership. Elasticsearch B.V. licenses this file to you under
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# the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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# Licensed to Elasticsearch B.V under one or more agreements.
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# Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
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# See the LICENSE file in the project root for more information
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import pytest
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import asyncio
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from mock import patch, MagicMock
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from elasticsearch import helpers, TransportError
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from elasticsearch.helpers import ScanError
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pytestmark = pytest.mark.asyncio
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class AsyncMock(MagicMock):
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async def __call__(self, *args, **kwargs):
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return super(AsyncMock, self).__call__(*args, **kwargs)
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class FailingBulkClient(object):
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def __init__(
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self, client, fail_at=(2,), fail_with=TransportError(599, "Error!", {})
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):
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self.client = client
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self._called = 0
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self._fail_at = fail_at
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self.transport = client.transport
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self._fail_with = fail_with
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async def bulk(self, *args, **kwargs):
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self._called += 1
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if self._called in self._fail_at:
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raise self._fail_with
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return await self.client.bulk(*args, **kwargs)
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class TestStreamingBulk(object):
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async def test_actions_remain_unchanged(self, async_client):
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actions = [{"_id": 1}, {"_id": 2}]
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async for ok, item in helpers.async_streaming_bulk(
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async_client, actions, index="test-index"
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):
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assert ok
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assert [{"_id": 1}, {"_id": 2}] == actions
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async def test_all_documents_get_inserted(self, async_client):
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docs = [{"answer": x, "_id": x} for x in range(100)]
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async for ok, item in helpers.async_streaming_bulk(
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async_client, docs, index="test-index", refresh=True
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):
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assert ok
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assert 100 == (await async_client.count(index="test-index"))["count"]
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assert {"answer": 42} == (await async_client.get(index="test-index", id=42))[
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"_source"
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]
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async def test_documents_data_types(self, async_client):
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async def async_gen():
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for x in range(100):
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await asyncio.sleep(0)
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yield {"answer": x, "_id": x}
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def sync_gen():
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for x in range(100):
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yield {"answer": x, "_id": x}
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async for ok, item in helpers.async_streaming_bulk(
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async_client, async_gen(), index="test-index", refresh=True
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):
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assert ok
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assert 100 == (await async_client.count(index="test-index"))["count"]
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assert {"answer": 42} == (await async_client.get(index="test-index", id=42))[
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"_source"
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]
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await async_client.delete_by_query(
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index="test-index", body={"query": {"match_all": {}}}
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)
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async for ok, item in helpers.async_streaming_bulk(
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async_client, sync_gen(), index="test-index", refresh=True
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):
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assert ok
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assert 100 == (await async_client.count(index="test-index"))["count"]
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assert {"answer": 42} == (await async_client.get(index="test-index", id=42))[
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"_source"
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]
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async def test_all_errors_from_chunk_are_raised_on_failure(self, async_client):
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await async_client.indices.create(
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"i",
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{
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"mappings": {"properties": {"a": {"type": "integer"}}},
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"settings": {"number_of_shards": 1, "number_of_replicas": 0},
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},
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)
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await async_client.cluster.health(wait_for_status="yellow")
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try:
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async for ok, item in helpers.async_streaming_bulk(
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async_client, [{"a": "b"}, {"a": "c"}], index="i", raise_on_error=True
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):
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assert ok
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except helpers.BulkIndexError as e:
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assert 2 == len(e.errors)
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else:
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assert False, "exception should have been raised"
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async def test_different_op_types(self, async_client):
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await async_client.index(index="i", id=45, body={})
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await async_client.index(index="i", id=42, body={})
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docs = [
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{"_index": "i", "_id": 47, "f": "v"},
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{"_op_type": "delete", "_index": "i", "_id": 45},
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{"_op_type": "update", "_index": "i", "_id": 42, "doc": {"answer": 42}},
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]
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async for ok, item in helpers.async_streaming_bulk(async_client, docs):
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assert ok
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assert not await async_client.exists(index="i", id=45)
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assert {"answer": 42} == (await async_client.get(index="i", id=42))["_source"]
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assert {"f": "v"} == (await async_client.get(index="i", id=47))["_source"]
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async def test_transport_error_can_becaught(self, async_client):
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failing_client = FailingBulkClient(async_client)
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docs = [
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{"_index": "i", "_id": 47, "f": "v"},
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{"_index": "i", "_id": 45, "f": "v"},
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{"_index": "i", "_id": 42, "f": "v"},
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]
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results = [
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x
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async for x in helpers.async_streaming_bulk(
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failing_client,
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docs,
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raise_on_exception=False,
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raise_on_error=False,
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chunk_size=1,
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)
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]
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assert 3 == len(results)
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assert [True, False, True] == [r[0] for r in results]
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exc = results[1][1]["index"].pop("exception")
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assert isinstance(exc, TransportError)
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assert 599 == exc.status_code
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assert {
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"index": {
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"_index": "i",
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"_id": 45,
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"data": {"f": "v"},
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"error": "TransportError(599, 'Error!')",
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"status": 599,
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}
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} == results[1][1]
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async def test_rejected_documents_are_retried(self, async_client):
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failing_client = FailingBulkClient(
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async_client, fail_with=TransportError(429, "Rejected!", {})
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)
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docs = [
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{"_index": "i", "_id": 47, "f": "v"},
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{"_index": "i", "_id": 45, "f": "v"},
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{"_index": "i", "_id": 42, "f": "v"},
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]
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results = [
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x
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async for x in helpers.async_streaming_bulk(
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failing_client,
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docs,
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raise_on_exception=False,
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raise_on_error=False,
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chunk_size=1,
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max_retries=1,
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initial_backoff=0,
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)
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]
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assert 3 == len(results)
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assert [True, True, True] == [r[0] for r in results]
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await async_client.indices.refresh(index="i")
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res = await async_client.search(index="i")
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assert {"value": 3, "relation": "eq"} == res["hits"]["total"]
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assert 4 == failing_client._called
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async def test_rejected_documents_are_retried_at_most_max_retries_times(
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self, async_client
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):
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failing_client = FailingBulkClient(
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async_client, fail_at=(1, 2), fail_with=TransportError(429, "Rejected!", {})
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)
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docs = [
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{"_index": "i", "_id": 47, "f": "v"},
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{"_index": "i", "_id": 45, "f": "v"},
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{"_index": "i", "_id": 42, "f": "v"},
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]
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results = [
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x
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async for x in helpers.async_streaming_bulk(
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failing_client,
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docs,
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raise_on_exception=False,
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raise_on_error=False,
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chunk_size=1,
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max_retries=1,
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initial_backoff=0,
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)
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]
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assert 3 == len(results)
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assert [False, True, True] == [r[0] for r in results]
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await async_client.indices.refresh(index="i")
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res = await async_client.search(index="i")
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assert {"value": 2, "relation": "eq"} == res["hits"]["total"]
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assert 4 == failing_client._called
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async def test_transport_error_is_raised_with_max_retries(self, async_client):
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failing_client = FailingBulkClient(
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async_client,
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fail_at=(1, 2, 3, 4),
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fail_with=TransportError(429, "Rejected!", {}),
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)
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async def streaming_bulk():
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results = [
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x
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async for x in helpers.async_streaming_bulk(
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failing_client,
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[{"a": 42}, {"a": 39}],
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raise_on_exception=True,
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max_retries=3,
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initial_backoff=0,
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)
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]
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return results
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with pytest.raises(TransportError):
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await streaming_bulk()
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assert 4 == failing_client._called
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class TestBulk(object):
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async def test_bulk_works_with_single_item(self, async_client):
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docs = [{"answer": 42, "_id": 1}]
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success, failed = await helpers.async_bulk(
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async_client, docs, index="test-index", refresh=True
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)
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assert 1 == success
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assert not failed
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assert 1 == (await async_client.count(index="test-index"))["count"]
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assert {"answer": 42} == (await async_client.get(index="test-index", id=1))[
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"_source"
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]
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async def test_all_documents_get_inserted(self, async_client):
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docs = [{"answer": x, "_id": x} for x in range(100)]
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success, failed = await helpers.async_bulk(
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async_client, docs, index="test-index", refresh=True
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)
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assert 100 == success
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assert not failed
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assert 100 == (await async_client.count(index="test-index"))["count"]
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assert {"answer": 42} == (await async_client.get(index="test-index", id=42))[
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"_source"
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]
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async def test_stats_only_reports_numbers(self, async_client):
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docs = [{"answer": x} for x in range(100)]
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success, failed = await helpers.async_bulk(
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async_client, docs, index="test-index", refresh=True, stats_only=True
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)
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assert 100 == success
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assert 0 == failed
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assert 100 == (await async_client.count(index="test-index"))["count"]
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async def test_errors_are_reported_correctly(self, async_client):
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await async_client.indices.create(
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"i",
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{
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"mappings": {"properties": {"a": {"type": "integer"}}},
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"settings": {"number_of_shards": 1, "number_of_replicas": 0},
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},
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)
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await async_client.cluster.health(wait_for_status="yellow")
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success, failed = await helpers.async_bulk(
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async_client,
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[{"a": 42}, {"a": "c", "_id": 42}],
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index="i",
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raise_on_error=False,
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)
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assert 1 == success
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assert 1 == len(failed)
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error = failed[0]
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assert "42" == error["index"]["_id"]
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assert "i" == error["index"]["_index"]
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print(error["index"]["error"])
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assert "MapperParsingException" in repr(
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error["index"]["error"]
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) or "mapper_parsing_exception" in repr(error["index"]["error"])
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async def test_error_is_raised(self, async_client):
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await async_client.indices.create(
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"i",
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{
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"mappings": {"properties": {"a": {"type": "integer"}}},
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"settings": {"number_of_shards": 1, "number_of_replicas": 0},
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},
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)
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await async_client.cluster.health(wait_for_status="yellow")
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with pytest.raises(helpers.BulkIndexError):
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await helpers.async_bulk(async_client, [{"a": 42}, {"a": "c"}], index="i")
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async def test_errors_are_collected_properly(self, async_client):
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await async_client.indices.create(
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"i",
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{
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"mappings": {"properties": {"a": {"type": "integer"}}},
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"settings": {"number_of_shards": 1, "number_of_replicas": 0},
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},
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)
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await async_client.cluster.health(wait_for_status="yellow")
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success, failed = await helpers.async_bulk(
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async_client,
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[{"a": 42}, {"a": "c"}],
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index="i",
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stats_only=True,
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raise_on_error=False,
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)
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assert 1 == success
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assert 1 == failed
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class MockScroll:
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def __init__(self):
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self.calls = []
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async def __call__(self, *args, **kwargs):
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self.calls.append((args, kwargs))
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if len(self.calls) == 1:
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return {
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"_scroll_id": "dummy_id",
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"_shards": {"successful": 4, "total": 5, "skipped": 0},
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"hits": {"hits": [{"scroll_data": 42}]},
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}
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elif len(self.calls) == 2:
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return {
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"_scroll_id": "dummy_id",
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"_shards": {"successful": 4, "total": 5, "skipped": 0},
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"hits": {"hits": []},
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}
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else:
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raise Exception("no more responses")
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class MockResponse:
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def __init__(self, resp):
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self.resp = resp
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async def __call__(self, *args, **kwargs):
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return self.resp
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class TestScan(object):
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async def teardown_method(self, async_client):
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await async_client.transport.perform_request("DELETE", "/_search/scroll/_all")
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async def test_order_can_be_preserved(self, async_client):
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bulk = []
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for x in range(100):
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bulk.append({"index": {"_index": "test_index", "_id": x}})
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bulk.append({"answer": x, "correct": x == 42})
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await async_client.bulk(bulk, refresh=True)
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docs = [
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doc
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async for doc in helpers.async_scan(
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async_client,
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index="test_index",
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query={"sort": "answer"},
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preserve_order=True,
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)
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]
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assert 100 == len(docs)
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assert list(map(str, range(100))) == list(d["_id"] for d in docs)
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assert list(range(100)) == list(d["_source"]["answer"] for d in docs)
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async def test_all_documents_are_read(self, async_client):
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bulk = []
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for x in range(100):
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bulk.append({"index": {"_index": "test_index", "_id": x}})
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bulk.append({"answer": x, "correct": x == 42})
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await async_client.bulk(bulk, refresh=True)
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docs = [
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x
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async for x in helpers.async_scan(async_client, index="test_index", size=2)
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]
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assert 100 == len(docs)
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assert set(map(str, range(100))) == set(d["_id"] for d in docs)
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assert set(range(100)) == set(d["_source"]["answer"] for d in docs)
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async def test_scroll_error(self, async_client):
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bulk = []
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for x in range(4):
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bulk.append({"index": {"_index": "test_index"}})
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bulk.append({"value": x})
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await async_client.bulk(bulk, refresh=True)
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with patch.object(async_client, "scroll", MockScroll()):
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data = [
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x
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async for x in helpers.async_scan(
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async_client,
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index="test_index",
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size=2,
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raise_on_error=False,
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clear_scroll=False,
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)
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]
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assert len(data) == 3
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assert data[-1] == {"scroll_data": 42}
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with patch.object(async_client, "scroll", MockScroll()):
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with pytest.raises(ScanError):
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data = [
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x
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async for x in helpers.async_scan(
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async_client,
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index="test_index",
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size=2,
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raise_on_error=True,
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clear_scroll=False,
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)
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]
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assert len(data) == 3
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assert data[-1] == {"scroll_data": 42}
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async def test_initial_search_error(self, async_client):
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with patch.object(async_client, "clear_scroll", new_callable=AsyncMock):
|
||||
with patch.object(
|
||||
async_client,
|
||||
"search",
|
||||
MockResponse(
|
||||
{
|
||||
"_scroll_id": "dummy_id",
|
||||
"_shards": {"successful": 4, "total": 5, "skipped": 0},
|
||||
"hits": {"hits": [{"search_data": 1}]},
|
||||
}
|
||||
),
|
||||
):
|
||||
with patch.object(async_client, "scroll", MockScroll()):
|
||||
|
||||
data = [
|
||||
x
|
||||
async for x in helpers.async_scan(
|
||||
async_client,
|
||||
index="test_index",
|
||||
size=2,
|
||||
raise_on_error=False,
|
||||
)
|
||||
]
|
||||
assert data == [{"search_data": 1}, {"scroll_data": 42}]
|
||||
|
||||
with patch.object(
|
||||
async_client,
|
||||
"search",
|
||||
MockResponse(
|
||||
{
|
||||
"_scroll_id": "dummy_id",
|
||||
"_shards": {"successful": 4, "total": 5, "skipped": 0},
|
||||
"hits": {"hits": [{"search_data": 1}]},
|
||||
}
|
||||
),
|
||||
):
|
||||
with patch.object(async_client, "scroll", MockScroll()) as mock_scroll:
|
||||
|
||||
with pytest.raises(ScanError):
|
||||
data = [
|
||||
x
|
||||
async for x in helpers.async_scan(
|
||||
async_client,
|
||||
index="test_index",
|
||||
size=2,
|
||||
raise_on_error=True,
|
||||
)
|
||||
]
|
||||
assert data == [{"search_data": 1}]
|
||||
assert mock_scroll.calls == []
|
||||
|
||||
async def test_no_scroll_id_fast_route(self, async_client):
|
||||
with patch.object(async_client, "search", MockResponse({"no": "_scroll_id"})):
|
||||
with patch.object(async_client, "scroll") as scroll_mock:
|
||||
with patch.object(async_client, "clear_scroll") as clear_mock:
|
||||
data = [
|
||||
x
|
||||
async for x in helpers.async_scan(
|
||||
async_client, index="test_index"
|
||||
)
|
||||
]
|
||||
|
||||
assert data == []
|
||||
scroll_mock.assert_not_called()
|
||||
clear_mock.assert_not_called()
|
||||
|
||||
@patch("elasticsearch._async.helpers.logger")
|
||||
async def test_logger(self, logger_mock, async_client):
|
||||
bulk = []
|
||||
for x in range(4):
|
||||
bulk.append({"index": {"_index": "test_index"}})
|
||||
bulk.append({"value": x})
|
||||
await async_client.bulk(bulk, refresh=True)
|
||||
|
||||
with patch.object(async_client, "scroll", MockScroll()):
|
||||
_ = [
|
||||
x
|
||||
async for x in helpers.async_scan(
|
||||
async_client,
|
||||
index="test_index",
|
||||
size=2,
|
||||
raise_on_error=False,
|
||||
clear_scroll=False,
|
||||
)
|
||||
]
|
||||
logger_mock.warning.assert_called()
|
||||
|
||||
with patch.object(async_client, "scroll", MockScroll()):
|
||||
try:
|
||||
_ = [
|
||||
x
|
||||
async for x in helpers.async_scan(
|
||||
async_client,
|
||||
index="test_index",
|
||||
size=2,
|
||||
raise_on_error=True,
|
||||
clear_scroll=False,
|
||||
)
|
||||
]
|
||||
except ScanError:
|
||||
pass
|
||||
logger_mock.warning.assert_called_with(
|
||||
"Scroll request has only succeeded on %d (+%d skipped) shards out of %d.",
|
||||
4,
|
||||
0,
|
||||
5,
|
||||
)
|
||||
|
||||
async def test_clear_scroll(self, async_client):
|
||||
bulk = []
|
||||
for x in range(4):
|
||||
bulk.append({"index": {"_index": "test_index"}})
|
||||
bulk.append({"value": x})
|
||||
await async_client.bulk(bulk, refresh=True)
|
||||
|
||||
with patch.object(
|
||||
async_client, "clear_scroll", wraps=async_client.clear_scroll
|
||||
) as spy:
|
||||
_ = [
|
||||
x
|
||||
async for x in helpers.async_scan(
|
||||
async_client, index="test_index", size=2
|
||||
)
|
||||
]
|
||||
spy.assert_called_once()
|
||||
|
||||
spy.reset_mock()
|
||||
_ = [
|
||||
x
|
||||
async for x in helpers.async_scan(
|
||||
async_client, index="test_index", size=2, clear_scroll=True
|
||||
)
|
||||
]
|
||||
spy.assert_called_once()
|
||||
|
||||
spy.reset_mock()
|
||||
_ = [
|
||||
x
|
||||
async for x in helpers.async_scan(
|
||||
async_client, index="test_index", size=2, clear_scroll=False
|
||||
)
|
||||
]
|
||||
spy.assert_not_called()
|
||||
|
||||
|
||||
@pytest.fixture(scope="function")
|
||||
async def reindex_setup(async_client):
|
||||
bulk = []
|
||||
for x in range(100):
|
||||
bulk.append({"index": {"_index": "test_index", "_id": x}})
|
||||
bulk.append(
|
||||
{
|
||||
"answer": x,
|
||||
"correct": x == 42,
|
||||
"type": "answers" if x % 2 == 0 else "questions",
|
||||
}
|
||||
)
|
||||
await async_client.bulk(bulk, refresh=True)
|
||||
yield
|
||||
|
||||
|
||||
class TestReindex(object):
|
||||
async def test_reindex_passes_kwargs_to_scan_and_bulk(
|
||||
self, async_client, reindex_setup
|
||||
):
|
||||
await helpers.async_reindex(
|
||||
async_client,
|
||||
"test_index",
|
||||
"prod_index",
|
||||
scan_kwargs={"q": "type:answers"},
|
||||
bulk_kwargs={"refresh": True},
|
||||
)
|
||||
|
||||
assert await async_client.indices.exists("prod_index")
|
||||
assert (
|
||||
50
|
||||
== (await async_client.count(index="prod_index", q="type:answers"))["count"]
|
||||
)
|
||||
|
||||
assert {"answer": 42, "correct": True, "type": "answers"} == (
|
||||
await async_client.get(index="prod_index", id=42)
|
||||
)["_source"]
|
||||
|
||||
async def test_reindex_accepts_a_query(self, async_client, reindex_setup):
|
||||
await helpers.async_reindex(
|
||||
async_client,
|
||||
"test_index",
|
||||
"prod_index",
|
||||
query={"query": {"bool": {"filter": {"term": {"type": "answers"}}}}},
|
||||
)
|
||||
await async_client.indices.refresh()
|
||||
|
||||
assert await async_client.indices.exists("prod_index")
|
||||
assert (
|
||||
50
|
||||
== (await async_client.count(index="prod_index", q="type:answers"))["count"]
|
||||
)
|
||||
|
||||
assert {"answer": 42, "correct": True, "type": "answers"} == (
|
||||
await async_client.get(index="prod_index", id=42)
|
||||
)["_source"]
|
||||
|
||||
async def test_all_documents_get_moved(self, async_client, reindex_setup):
|
||||
await helpers.async_reindex(async_client, "test_index", "prod_index")
|
||||
await async_client.indices.refresh()
|
||||
|
||||
assert await async_client.indices.exists("prod_index")
|
||||
assert (
|
||||
50
|
||||
== (await async_client.count(index="prod_index", q="type:questions"))[
|
||||
"count"
|
||||
]
|
||||
)
|
||||
assert (
|
||||
50
|
||||
== (await async_client.count(index="prod_index", q="type:answers"))["count"]
|
||||
)
|
||||
|
||||
assert {"answer": 42, "correct": True, "type": "answers"} == (
|
||||
await async_client.get(index="prod_index", id=42)
|
||||
)["_source"]
|
||||
|
||||
|
||||
@pytest.fixture(scope="function")
|
||||
async def parent_reindex_setup(async_client):
|
||||
body = {
|
||||
"settings": {"number_of_shards": 1, "number_of_replicas": 0},
|
||||
"mappings": {
|
||||
"properties": {
|
||||
"question_answer": {
|
||||
"type": "join",
|
||||
"relations": {"question": "answer"},
|
||||
}
|
||||
}
|
||||
},
|
||||
}
|
||||
await async_client.indices.create(index="test-index", body=body)
|
||||
await async_client.indices.create(index="real-index", body=body)
|
||||
|
||||
await async_client.index(
|
||||
index="test-index", id=42, body={"question_answer": "question"}
|
||||
)
|
||||
await async_client.index(
|
||||
index="test-index",
|
||||
id=47,
|
||||
routing=42,
|
||||
body={"some": "data", "question_answer": {"name": "answer", "parent": 42}},
|
||||
)
|
||||
await async_client.indices.refresh(index="test-index")
|
||||
|
||||
|
||||
class TestParentChildReindex:
|
||||
async def test_children_are_reindexed_correctly(
|
||||
self, async_client, parent_reindex_setup
|
||||
):
|
||||
await helpers.async_reindex(async_client, "test-index", "real-index")
|
||||
|
||||
q = await async_client.get(index="real-index", id=42)
|
||||
assert {
|
||||
"_id": "42",
|
||||
"_index": "real-index",
|
||||
"_primary_term": 1,
|
||||
"_seq_no": 0,
|
||||
"_source": {"question_answer": "question"},
|
||||
"_type": "_doc",
|
||||
"_version": 1,
|
||||
"found": True,
|
||||
} == q
|
||||
|
||||
q = await async_client.get(index="test-index", id=47, routing=42)
|
||||
assert {
|
||||
"_routing": "42",
|
||||
"_id": "47",
|
||||
"_index": "test-index",
|
||||
"_primary_term": 1,
|
||||
"_seq_no": 1,
|
||||
"_source": {
|
||||
"some": "data",
|
||||
"question_answer": {"name": "answer", "parent": 42},
|
||||
},
|
||||
"_type": "_doc",
|
||||
"_version": 1,
|
||||
"found": True,
|
||||
} == q
|
||||
Reference in New Issue
Block a user