haystack/test/conftest.py
bogdankostic 5e36988b31
Support Tables in all DocumentStores (#1744)
* Add support for tables in SQLDocumentStore, FAISSDocumentStore and MilvuDocumentStore

* Add support for WeaviateDocumentStore

* Make sure that embedded meta fields are strings + add embedding_dim to WeaviateDocStore in test config

* Add latest docstring and tutorial changes

* Represent tables in WeaviateDocumentStore as nested lists

* Fix mypy

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
2021-11-17 16:41:04 +01:00

976 lines
57 KiB
Python

import subprocess
import time
from subprocess import run
from sys import platform
import numpy as np
import psutil
import pytest
import requests
from elasticsearch import Elasticsearch
from haystack.nodes.answer_generator.transformers import Seq2SeqGenerator
from haystack.document_stores.graphdb import GraphDBKnowledgeGraph
from milvus import Milvus
import weaviate
from haystack.document_stores.weaviate import WeaviateDocumentStore
from haystack.document_stores.milvus import MilvusDocumentStore
from haystack.nodes.answer_generator.transformers import RAGenerator, RAGeneratorType
from haystack.modeling.infer import Inferencer, QAInferencer
from haystack.nodes.ranker import SentenceTransformersRanker
from haystack.nodes.document_classifier.transformers import TransformersDocumentClassifier
from haystack.nodes.retriever.sparse import ElasticsearchFilterOnlyRetriever, ElasticsearchRetriever, TfidfRetriever
from haystack.nodes.retriever.dense import DensePassageRetriever, EmbeddingRetriever, TableTextRetriever
from haystack.schema import Document
from haystack.document_stores.elasticsearch import ElasticsearchDocumentStore
from haystack.document_stores.faiss import FAISSDocumentStore
from haystack.document_stores.memory import InMemoryDocumentStore
from haystack.document_stores.sql import SQLDocumentStore
from haystack.nodes.reader.farm import FARMReader
from haystack.nodes.reader.transformers import TransformersReader
from haystack.nodes.reader.table import TableReader
from haystack.nodes.summarizer.transformers import TransformersSummarizer
from haystack.nodes.translator import TransformersTranslator
from haystack.nodes.question_generator import QuestionGenerator
def pytest_addoption(parser):
parser.addoption("--document_store_type", action="store", default="elasticsearch, faiss, memory, milvus, weaviate")
def pytest_generate_tests(metafunc):
# Get selected docstores from CLI arg
document_store_type = metafunc.config.option.document_store_type
selected_doc_stores = [item.strip() for item in document_store_type.split(",")]
# parametrize document_store fixture if it's in the test function argument list
# but does not have an explicit parametrize annotation e.g
# @pytest.mark.parametrize("document_store", ["memory"], indirect=False)
found_mark_parametrize_document_store = False
for marker in metafunc.definition.iter_markers('parametrize'):
if 'document_store' in marker.args[0] or 'document_store_with_docs' in marker.args[0] or 'document_store_type' in marker.args[0]:
found_mark_parametrize_document_store = True
break
# for all others that don't have explicit parametrization, we add the ones from the CLI arg
if 'document_store' in metafunc.fixturenames and not found_mark_parametrize_document_store:
metafunc.parametrize("document_store", selected_doc_stores, indirect=True)
def _sql_session_rollback(self, attr):
"""
Inject SQLDocumentStore at runtime to do a session rollback each time it is called. This allows to catch
errors where an intended operation is still in a transaction, but not committed to the database.
"""
method = object.__getattribute__(self, attr)
if callable(method):
try:
self.session.rollback()
except AttributeError:
pass
return method
SQLDocumentStore.__getattribute__ = _sql_session_rollback
def pytest_collection_modifyitems(config,items):
for item in items:
# add pytest markers for tests that are not explicitly marked but include some keywords
# in the test name (e.g. test_elasticsearch_client would get the "elasticsearch" marker)
if "generator" in item.nodeid:
item.add_marker(pytest.mark.generator)
elif "summarizer" in item.nodeid:
item.add_marker(pytest.mark.summarizer)
elif "tika" in item.nodeid:
item.add_marker(pytest.mark.tika)
elif "elasticsearch" in item.nodeid:
item.add_marker(pytest.mark.elasticsearch)
elif "graphdb" in item.nodeid:
item.add_marker(pytest.mark.graphdb)
elif "pipeline" in item.nodeid:
item.add_marker(pytest.mark.pipeline)
elif "slow" in item.nodeid:
item.add_marker(pytest.mark.slow)
elif "weaviate" in item.nodeid:
item.add_marker(pytest.mark.weaviate)
# if the cli argument "--document_store_type" is used, we want to skip all tests that have markers of other docstores
# Example: pytest -v test_document_store.py --document_store_type="memory" => skip all tests marked with "elasticsearch"
document_store_types_to_run = config.getoption("--document_store_type")
keywords = []
for i in item.keywords:
if "-" in i:
keywords.extend(i.split("-"))
else:
keywords.append(i)
for cur_doc_store in ["elasticsearch", "faiss", "sql", "memory", "milvus", "weaviate"]:
if cur_doc_store in keywords and cur_doc_store not in document_store_types_to_run:
skip_docstore = pytest.mark.skip(
reason=f'{cur_doc_store} is disabled. Enable via pytest --document_store_type="{cur_doc_store}"')
item.add_marker(skip_docstore)
@pytest.fixture(scope="session")
def elasticsearch_fixture():
# test if a ES cluster is already running. If not, download and start an ES instance locally.
try:
client = Elasticsearch(hosts=[{"host": "localhost", "port": "9200"}])
client.info()
except:
print("Starting Elasticsearch ...")
status = subprocess.run(
['docker rm haystack_test_elastic'],
shell=True
)
status = subprocess.run(
['docker run -d --name haystack_test_elastic -p 9200:9200 -e "discovery.type=single-node" elasticsearch:7.9.2'],
shell=True
)
if status.returncode:
raise Exception(
"Failed to launch Elasticsearch. Please check docker container logs.")
time.sleep(30)
@pytest.fixture(scope="session")
def milvus_fixture():
# test if a Milvus server is already running. If not, start Milvus docker container locally.
# Make sure you have given > 6GB memory to docker engine
try:
milvus_server = Milvus(uri="tcp://localhost:19530", timeout=5, wait_timeout=5)
milvus_server.server_status(timeout=5)
except:
print("Starting Milvus ...")
status = subprocess.run(['docker run -d --name milvus_cpu_0.10.5 -p 19530:19530 -p 19121:19121 '
'milvusdb/milvus:0.10.5-cpu-d010621-4eda95'], shell=True)
time.sleep(40)
@pytest.fixture(scope="session")
def weaviate_fixture():
# test if a Weaviate server is already running. If not, start Weaviate docker container locally.
# Make sure you have given > 6GB memory to docker engine
try:
weaviate_server = weaviate.Client(url='http://localhost:8080', timeout_config=(5, 15))
weaviate_server.is_ready()
except:
print("Starting Weaviate servers ...")
status = subprocess.run(
['docker rm haystack_test_weaviate'],
shell=True
)
status = subprocess.run(
['docker run -d --name haystack_test_weaviate -p 8080:8080 semitechnologies/weaviate:1.7.2'],
shell=True
)
if status.returncode:
raise Exception(
"Failed to launch Weaviate. Please check docker container logs.")
time.sleep(60)
@pytest.fixture(scope="session")
def graphdb_fixture():
# test if a GraphDB instance is already running. If not, download and start a GraphDB instance locally.
try:
kg = GraphDBKnowledgeGraph()
# fail if not running GraphDB
kg.delete_index()
except:
print("Starting GraphDB ...")
status = subprocess.run(
['docker rm haystack_test_graphdb'],
shell=True
)
status = subprocess.run(
['docker run -d -p 7200:7200 --name haystack_test_graphdb docker-registry.ontotext.com/graphdb-free:9.4.1-adoptopenjdk11'],
shell=True
)
if status.returncode:
raise Exception(
"Failed to launch GraphDB. Please check docker container logs.")
time.sleep(30)
@pytest.fixture(scope="session")
def tika_fixture():
try:
tika_url = "http://localhost:9998/tika"
ping = requests.get(tika_url)
if ping.status_code != 200:
raise Exception(
"Unable to connect Tika. Please check tika endpoint {0}.".format(tika_url))
except:
print("Starting Tika ...")
status = subprocess.run(
['docker run -d --name tika -p 9998:9998 apache/tika:1.24.1'],
shell=True
)
if status.returncode:
raise Exception(
"Failed to launch Tika. Please check docker container logs.")
time.sleep(30)
@pytest.fixture(scope="session")
def xpdf_fixture():
verify_installation = run(["pdftotext"], shell=True)
if verify_installation.returncode == 127:
if platform.startswith("linux"):
platform_id = "linux"
sudo_prefix = "sudo"
elif platform.startswith("darwin"):
platform_id = "mac"
# For Mac, generally sudo need password in interactive console.
# But most of the cases current user already have permission to copy to /user/local/bin.
# Hence removing sudo requirement for Mac.
sudo_prefix = ""
else:
raise Exception(
"""Currently auto installation of pdftotext is not supported on {0} platform """.format(platform)
)
commands = """ wget --no-check-certificate https://dl.xpdfreader.com/xpdf-tools-{0}-4.03.tar.gz &&
tar -xvf xpdf-tools-{0}-4.03.tar.gz &&
{1} cp xpdf-tools-{0}-4.03/bin64/pdftotext /usr/local/bin""".format(platform_id, sudo_prefix)
run([commands], shell=True)
verify_installation = run(["pdftotext -v"], shell=True)
if verify_installation.returncode == 127:
raise Exception(
"""pdftotext is not installed. It is part of xpdf or poppler-utils software suite.
You can download for your OS from here: https://www.xpdfreader.com/download.html."""
)
@pytest.fixture(scope="module")
def rag_generator():
return RAGenerator(
model_name_or_path="facebook/rag-token-nq",
generator_type=RAGeneratorType.TOKEN,
max_length=20
)
@pytest.fixture(scope="module")
def question_generator():
return QuestionGenerator(model_name_or_path="valhalla/t5-small-e2e-qg")
@pytest.fixture(scope="module")
def eli5_generator():
return Seq2SeqGenerator(model_name_or_path="yjernite/bart_eli5", max_length=20)
@pytest.fixture(scope="module")
def summarizer():
return TransformersSummarizer(
model_name_or_path="google/pegasus-xsum",
use_gpu=-1
)
@pytest.fixture(scope="module")
def en_to_de_translator():
return TransformersTranslator(
model_name_or_path="Helsinki-NLP/opus-mt-en-de",
)
@pytest.fixture(scope="module")
def de_to_en_translator():
return TransformersTranslator(
model_name_or_path="Helsinki-NLP/opus-mt-de-en",
)
@pytest.fixture(scope="module")
def test_docs_xs():
return [
# current "dict" format for a document
{"content": "My name is Carla and I live in Berlin", "meta": {"meta_field": "test1", "name": "filename1"}},
# metafield at the top level for backward compatibility
{"content": "My name is Paul and I live in New York", "meta_field": "test2", "name": "filename2"},
# Document object for a doc
Document(content="My name is Christelle and I live in Paris", meta={"meta_field": "test3", "name": "filename3"})
]
@pytest.fixture(scope="module")
def reader_without_normalized_scores():
return FARMReader(
model_name_or_path="distilbert-base-uncased-distilled-squad",
use_gpu=False,
top_k_per_sample=5,
num_processes=0,
use_confidence_scores=False
)
@pytest.fixture(params=["farm", "transformers"], scope="module")
def reader(request):
if request.param == "farm":
return FARMReader(
model_name_or_path="distilbert-base-uncased-distilled-squad",
use_gpu=False,
top_k_per_sample=5,
num_processes=0
)
if request.param == "transformers":
return TransformersReader(
model_name_or_path="distilbert-base-uncased-distilled-squad",
tokenizer="distilbert-base-uncased",
use_gpu=-1
)
@pytest.fixture(scope="module")
def table_reader():
return TableReader(model_name_or_path="google/tapas-base-finetuned-wtq")
@pytest.fixture(scope="module")
def ranker():
return SentenceTransformersRanker(
model_name_or_path="cross-encoder/ms-marco-MiniLM-L-12-v2",
)
@pytest.fixture(scope="module")
def document_classifier():
return TransformersDocumentClassifier(
model_name_or_path="bhadresh-savani/distilbert-base-uncased-emotion",
use_gpu=False
)
@pytest.fixture(scope="module")
def zero_shot_document_classifier():
return TransformersDocumentClassifier(
model_name_or_path="cross-encoder/nli-distilroberta-base",
use_gpu=False,
task="zero-shot-classification",
labels=["negative", "positive"]
)
@pytest.fixture(scope="module")
def batched_document_classifier():
return TransformersDocumentClassifier(
model_name_or_path="bhadresh-savani/distilbert-base-uncased-emotion",
use_gpu=False,
batch_size=16
)
@pytest.fixture(scope="module")
def indexing_document_classifier():
return TransformersDocumentClassifier(
model_name_or_path="bhadresh-savani/distilbert-base-uncased-emotion",
use_gpu=False,
batch_size=16,
classification_field="class_field"
)
# TODO Fix bug in test_no_answer_output when using
# @pytest.fixture(params=["farm", "transformers"])
@pytest.fixture(params=["farm"], scope="module")
def no_answer_reader(request):
if request.param == "farm":
return FARMReader(
model_name_or_path="deepset/roberta-base-squad2",
use_gpu=False,
top_k_per_sample=5,
no_ans_boost=0,
return_no_answer=True,
num_processes=0
)
if request.param == "transformers":
return TransformersReader(
model_name_or_path="deepset/roberta-base-squad2",
tokenizer="deepset/roberta-base-squad2",
use_gpu=-1,
top_k_per_candidate=5
)
@pytest.fixture(scope="module")
def prediction(reader, test_docs_xs):
docs = [Document.from_dict(d) if isinstance(d, dict) else d for d in test_docs_xs]
prediction = reader.predict(query="Who lives in Berlin?", documents=docs, top_k=5)
return prediction
@pytest.fixture(scope="module")
def no_answer_prediction(no_answer_reader, test_docs_xs):
docs = [Document.from_dict(d) if isinstance(d, dict) else d for d in test_docs_xs]
prediction = no_answer_reader.predict(query="What is the meaning of life?", documents=docs, top_k=5)
return prediction
@pytest.fixture(params=["es_filter_only", "elasticsearch", "dpr", "embedding", "tfidf", "table_text_retriever"])
def retriever(request, document_store):
return get_retriever(request.param, document_store)
# @pytest.fixture(params=["es_filter_only", "elasticsearch", "dpr", "embedding", "tfidf"])
@pytest.fixture(params=["tfidf"])
def retriever_with_docs(request, document_store_with_docs):
return get_retriever(request.param, document_store_with_docs)
def get_retriever(retriever_type, document_store):
if retriever_type == "dpr":
retriever = DensePassageRetriever(document_store=document_store,
query_embedding_model="facebook/dpr-question_encoder-single-nq-base",
passage_embedding_model="facebook/dpr-ctx_encoder-single-nq-base",
use_gpu=False, embed_title=True)
elif retriever_type == "tfidf":
retriever = TfidfRetriever(document_store=document_store)
retriever.fit()
elif retriever_type == "embedding":
retriever = EmbeddingRetriever(
document_store=document_store,
embedding_model="deepset/sentence_bert",
use_gpu=False
)
elif retriever_type == "retribert":
retriever = EmbeddingRetriever(document_store=document_store,
embedding_model="yjernite/retribert-base-uncased",
model_format="retribert",
use_gpu=False)
elif retriever_type == "elasticsearch":
retriever = ElasticsearchRetriever(document_store=document_store)
elif retriever_type == "es_filter_only":
retriever = ElasticsearchFilterOnlyRetriever(document_store=document_store)
elif retriever_type == "table_text_retriever":
retriever = TableTextRetriever(document_store=document_store,
query_embedding_model="deepset/bert-small-mm_retrieval-question_encoder",
passage_embedding_model="deepset/bert-small-mm_retrieval-passage_encoder",
table_embedding_model="deepset/bert-small-mm_retrieval-table_encoder",
use_gpu=False)
else:
raise Exception(f"No retriever fixture for '{retriever_type}'")
return retriever
@pytest.fixture(params=["elasticsearch", "faiss", "memory", "milvus", "weaviate"])
def document_store_with_docs(request, test_docs_xs):
document_store = get_document_store(request.param)
document_store.write_documents(test_docs_xs)
yield document_store
document_store.delete_documents()
@pytest.fixture
def document_store(request, test_docs_xs):
vector_dim = request.node.get_closest_marker("vector_dim", pytest.mark.vector_dim(768))
document_store = get_document_store(request.param, vector_dim.args[0])
yield document_store
document_store.delete_documents()
@pytest.fixture(params=["faiss", "milvus", "weaviate"])
def document_store_cosine(request, test_docs_xs):
vector_dim = request.node.get_closest_marker("vector_dim", pytest.mark.vector_dim(768))
document_store = get_document_store(request.param, vector_dim.args[0], similarity="cosine")
yield document_store
document_store.delete_documents()
@pytest.fixture(params=["elasticsearch", "faiss", "memory", "milvus", "weaviate"])
def document_store_cosine_small(request, test_docs_xs):
vector_dim = request.node.get_closest_marker("vector_dim", pytest.mark.vector_dim(3))
document_store = get_document_store(request.param, vector_dim.args[0], similarity="cosine")
yield document_store
document_store.delete_documents()
def get_document_store(document_store_type, embedding_dim=768, embedding_field="embedding", index="haystack_test", similarity:str="dot_product"):
if document_store_type == "sql":
document_store = SQLDocumentStore(url="sqlite://", index=index)
elif document_store_type == "memory":
document_store = InMemoryDocumentStore(
return_embedding=True, embedding_dim=embedding_dim, embedding_field=embedding_field, index=index, similarity=similarity
)
elif document_store_type == "elasticsearch":
# make sure we start from a fresh index
client = Elasticsearch()
client.indices.delete(index=index+'*', ignore=[404])
document_store = ElasticsearchDocumentStore(
index=index, return_embedding=True, embedding_dim=embedding_dim, embedding_field=embedding_field, similarity=similarity
)
elif document_store_type == "faiss":
document_store = FAISSDocumentStore(
vector_dim=embedding_dim,
sql_url="sqlite://",
return_embedding=True,
embedding_field=embedding_field,
index=index,
similarity=similarity
)
elif document_store_type == "milvus":
document_store = MilvusDocumentStore(
vector_dim=embedding_dim,
sql_url="sqlite://",
return_embedding=True,
embedding_field=embedding_field,
index=index,
similarity=similarity
)
_, collections = document_store.milvus_server.list_collections()
for collection in collections:
if collection.startswith(index):
document_store.milvus_server.drop_collection(collection)
elif document_store_type == "weaviate":
document_store = WeaviateDocumentStore(
weaviate_url="http://localhost:8080",
index=index,
similarity=similarity,
embedding_dim=embedding_dim,
)
document_store.weaviate_client.schema.delete_all()
document_store._create_schema_and_index_if_not_exist()
else:
raise Exception(f"No document store fixture for '{document_store_type}'")
return document_store
@pytest.fixture(scope="module")
def adaptive_model_qa(num_processes):
"""
PyTest Fixture for a Question Answering Inferencer based on PyTorch.
"""
try:
model = Inferencer.load(
"deepset/bert-base-cased-squad2",
task_type="question_answering",
batch_size=16,
num_processes=num_processes,
gpu=False,
)
yield model
finally:
if num_processes != 0:
# close the pool
# we pass join=True to wait for all sub processes to close
# this is because below we want to test if all sub-processes
# have exited
model.close_multiprocessing_pool(join=True)
# check if all workers (sub processes) are closed
current_process = psutil.Process()
children = current_process.children()
assert len(children) == 0
@pytest.fixture(scope="module")
def bert_base_squad2(request):
model = QAInferencer.load(
"deepset/minilm-uncased-squad2",
task_type="question_answering",
batch_size=4,
num_processes=0,
multithreading_rust=False,
use_fast=True # TODO parametrize this to test slow as well
)
return model
DOCS_WITH_EMBEDDINGS = [
Document(
content="""The capital of Germany is the city state of Berlin.""",
embedding=np.array([2.22920075e-01, 1.07770450e-02, 3.35382462e-01, -7.27265477e-02,
-1.98119566e-01, -5.64537346e-02, 6.09261453e-01, 2.87229061e-01,
-7.73971230e-02, -2.23876238e-01, -5.47461927e-01, -1.08676875e+00,
2.95721531e-01, 7.53905892e-01, -3.36153835e-01, 1.94666490e-01,
2.92297024e-02, 6.56022906e-01, 2.67616689e-01, -3.81376356e-01,
-2.98582464e-01, -1.89207539e-01, 6.07246757e-01, 1.67709842e-01,
2.75577039e-01, -9.33986664e-01, 4.31648612e-01, -1.00929722e-01,
-4.82133955e-01, 7.30958655e-02, -4.85000134e-01, -1.17192902e-01,
-2.78178096e-01, 6.61195964e-02, 4.15457308e-01, 3.25128995e-02,
2.66546309e-01, 1.30013347e-01, 3.52349013e-01, -6.64731681e-01,
-6.83372736e-01, -3.16153020e-01, 3.67267191e-01, -4.05127078e-01,
-8.20419341e-02, -1.00207639e+00, -2.10523933e-01, 9.38237131e-01,
-2.96095699e-01, -1.82708800e-01, -9.05334055e-01, 2.68770158e-01,
3.29131901e-01, 9.00070250e-01, 4.34159547e-01, -5.65743327e-01,
-7.94787586e-01, -9.83037204e-02, -1.01550505e-01, 1.17718965e-01,
2.48768821e-01, 2.64568210e-01, -1.21708572e-01, 3.54779810e-01,
7.25113750e-01, 4.65293467e-01, -4.09185141e-02, -8.67474079e-03,
-2.21501254e-02, -6.34054065e-01, -9.91622388e-01, -2.93476105e-01,
-3.77548009e-01, -3.20685089e-01, 7.97941908e-02, -4.51179177e-01,
1.61721796e-01, 2.01941788e-01, 2.18551666e-01, 8.89380276e-02,
9.31400955e-02, -1.68867663e-01, 1.93741471e-01, 9.80174169e-03,
3.96567971e-01, 3.25188875e-01, -3.59817073e-02, -3.05083066e-01,
-2.91377038e-01, -2.59871781e-01, -2.33116597e-02, 8.39208305e-01,
1.92560270e-01, 1.10900663e-01, -6.46018386e-02, -7.44270265e-01,
1.63968995e-01, 1.13590971e-01, 2.35207364e-01, 1.82242617e-01,
-1.76687598e-01, 1.26516908e-01, 3.98482740e-01, 2.40804136e-01,
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Document(
content="""Berlin is the capital and largest city of Germany by both area and population.""",
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