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# Licensed to Elasticsearch B.V. under one or more contributor
# license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright
# ownership. Elasticsearch B.V. licenses this file to you under
# the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
import pickle
import threading
import time
from unittest import mock
import pytest
from elasticsearch import Elasticsearch, helpers
from elasticsearch.serializer import JSONSerializer
lock_side_effect = threading.Lock()
def mock_process_bulk_chunk(*args, **kwargs):
"""
Threadsafe way of mocking process bulk chunk:
https://stackoverflow.com/questions/39332139/thread-safe-version-of-mock-call-count
"""
with lock_side_effect:
mock_process_bulk_chunk.call_count += 1
time.sleep(0.1)
return []
mock_process_bulk_chunk.call_count = 0
class TestParallelBulk:
@mock.patch(
"elasticsearch.helpers.actions._process_bulk_chunk",
side_effect=mock_process_bulk_chunk,
)
def test_all_chunks_sent(self, _process_bulk_chunk):
actions = ({"x": i} for i in range(100))
list(
helpers.parallel_bulk(
Elasticsearch("http://localhost:9200"), actions, chunk_size=2
)
)
assert 50 == mock_process_bulk_chunk.call_count
@mock.patch(
"elasticsearch.helpers.actions._process_bulk_chunk",
# make sure we spend some time in the thread
side_effect=lambda *_, **__: [
(True, time.sleep(0.001) or threading.current_thread().ident)
],
)
def test_chunk_sent_from_different_threads(self, _process_bulk_chunk):
actions = ({"x": i} for i in range(100))
results = list(
helpers.parallel_bulk(
Elasticsearch("http://localhost:9200"),
actions,
thread_count=10,
chunk_size=2,
)
)
assert len({r[1] for r in results}) > 1
class TestChunkActions:
def setup_method(self, _):
self.actions = [({"index": {}}, {"some": "datá", "i": i}) for i in range(100)]
def test_expand_action(self):
assert helpers.expand_action({}) == ({"index": {}}, {})
assert helpers.expand_action({"key": "val"}) == ({"index": {}}, {"key": "val"})
def test_expand_action_actions(self):
assert helpers.expand_action(
{"_op_type": "delete", "_id": "id", "_index": "index"}
) == ({"delete": {"_id": "id", "_index": "index"}}, None)
assert helpers.expand_action(
{"_op_type": "update", "_id": "id", "_index": "index", "key": "val"}
) == ({"update": {"_id": "id", "_index": "index"}}, {"key": "val"})
assert helpers.expand_action(
{"_op_type": "create", "_id": "id", "_index": "index", "key": "val"}
) == ({"create": {"_id": "id", "_index": "index"}}, {"key": "val"})
assert helpers.expand_action(
{
"_op_type": "create",
"_id": "id",
"_index": "index",
"_source": {"key": "val"},
}
) == ({"create": {"_id": "id", "_index": "index"}}, {"key": "val"})
def test_expand_action_options(self):
for option in (
"_id",
"_index",
"_percolate",
"_timestamp",
"_type",
"if_seq_no",
"if_primary_term",
"parent",
"pipeline",
"retry_on_conflict",
"routing",
"version",
"version_type",
("_parent", "parent"),
("_retry_on_conflict", "retry_on_conflict"),
("_routing", "routing"),
("_version", "version"),
("_version_type", "version_type"),
("_if_seq_no", "if_seq_no"),
("_if_primary_term", "if_primary_term"),
):
if isinstance(option, str):
action_option = option
else:
option, action_option = option
assert helpers.expand_action({"key": "val", option: 0}) == (
{"index": {action_option: 0}},
{"key": "val"},
)
def test__source_metadata_or_source(self):
assert helpers.expand_action({"_source": {"key": "val"}}) == (
{"index": {}},
{"key": "val"},
)
assert helpers.expand_action(
{"_source": ["key"], "key": "val", "_op_type": "update"}
) == ({"update": {"_source": ["key"]}}, {"key": "val"})
assert helpers.expand_action(
{"_source": True, "key": "val", "_op_type": "update"}
) == ({"update": {"_source": True}}, {"key": "val"})
# This case is only to ensure backwards compatibility with old functionality.
assert helpers.expand_action(
{"_source": {"key2": "val2"}, "key": "val", "_op_type": "update"}
) == ({"update": {}}, {"key2": "val2"})
def test_chunks_are_chopped_by_byte_size(self):
assert 100 == len(
list(helpers._chunk_actions(self.actions, 100000, 1, JSONSerializer()))
)
def test_chunks_are_chopped_by_chunk_size(self):
assert 10 == len(
list(helpers._chunk_actions(self.actions, 10, 99999999, JSONSerializer()))
)
def test_chunks_are_chopped_by_byte_size_properly(self):
max_byte_size = 170
chunks = list(
helpers._chunk_actions(
self.actions, 100000, max_byte_size, JSONSerializer()
)
)
assert 25 == len(chunks)
for chunk_data, chunk_actions in chunks:
chunk = b"".join(chunk_actions)
assert len(chunk) <= max_byte_size
class TestExpandActions:
@pytest.mark.parametrize("action", ["whatever", b"whatever"])
def test_string_actions_are_marked_as_simple_inserts(self, action):
assert ({"index": {}}, b"whatever") == helpers.expand_action(action)
def test_serialize_bulk_index_error():
error = helpers.BulkIndexError("message", [{"error": 1}])
pickled = pickle.loads(pickle.dumps(error))
assert pickled.__class__ == helpers.BulkIndexError
assert pickled.errors == error.errors
assert pickled.args == error.args
def test_serialize_scan_error():
error = helpers.ScanError("scroll_id", "shard_message")
pickled = pickle.loads(pickle.dumps(error))
assert pickled.__class__ == helpers.ScanError
assert pickled.scroll_id == error.scroll_id
assert pickled.args == error.args
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