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Add metadata support for client-server databases, closes #532
This commit is contained in:
davidmezzetti
@@ -0,0 +1,764 @@
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"""
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Common file database module tests
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"""
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import contextlib
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import io
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import os
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import tempfile
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import unittest
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from txtai.embeddings import Embeddings, IndexNotFoundError
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from txtai.database import Embedded, RDBMS, SQLError
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class Common:
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"""
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Wraps common file database tests to prevent unit test discovery for this class.
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"""
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# pylint: disable=R0904
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class TestRDBMS(unittest.TestCase):
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"""
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Embeddings with content stored in a file database tests.
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"""
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@classmethod
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def setUpClass(cls):
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"""
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Initialize test data.
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"""
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cls.data = [
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"US tops 5 million confirmed virus cases",
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"Canada's last fully intact ice shelf has suddenly collapsed, forming a Manhattan-sized iceberg",
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"Beijing mobilises invasion craft along coast as Taiwan tensions escalate",
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"The National Park Service warns against sacrificing slower friends in a bear attack",
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"Maine man wins $1M from $25 lottery ticket",
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"Make huge profits without work, earn up to $100,000 a day",
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]
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# Content backend
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cls.backend = None
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# Create embeddings model, backed by sentence-transformers & transformers
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cls.embeddings = Embeddings({"path": "sentence-transformers/nli-mpnet-base-v2", "content": cls.backend})
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@classmethod
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def tearDownClass(cls):
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"""
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Cleanup data.
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"""
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if cls.embeddings:
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cls.embeddings.close()
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def testArchive(self):
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"""
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Test embeddings index archiving
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"""
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for extension in ["tar.bz2", "tar.gz", "tar.xz", "zip"]:
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# Create an index for the list of text
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self.embeddings.index([(uid, text, None) for uid, text in enumerate(self.data)])
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# Generate temp file path
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index = os.path.join(tempfile.gettempdir(), f"embeddings.{self.category()}.{extension}")
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self.embeddings.save(index)
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self.embeddings.load(index)
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# Search for best match
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result = self.embeddings.search("feel good story", 1)[0]
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self.assertEqual(result["text"], self.data[4])
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# Test offsets still work after save/load
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self.embeddings.upsert([(0, "Looking out into the dreadful abyss", None)])
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self.assertEqual(self.embeddings.count(), len(self.data))
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def testAutoId(self):
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"""
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Test auto id generation
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"""
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# Default sequence id
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embeddings = Embeddings(path="sentence-transformers/nli-mpnet-base-v2", content=self.backend)
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embeddings.index(self.data)
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result = embeddings.search("feel good story", 1)[0]
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self.assertEqual(result["text"], self.data[4])
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# UUID
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embeddings.config["autoid"] = "uuid4"
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embeddings.index(self.data)
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result = embeddings.search(self.data[4], 1)[0]
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self.assertEqual(len(result["id"]), 36)
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def testColumns(self):
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"""
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Test custom text/object columns
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"""
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embeddings = Embeddings({"keyword": True, "content": self.backend, "columns": {"text": "value"}})
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data = [{"value": x} for x in self.data]
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embeddings.index([(uid, text, None) for uid, text in enumerate(data)])
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# Run search
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result = embeddings.search("lottery", 1)[0]
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self.assertEqual(result["text"], self.data[4])
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def testClose(self):
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"""
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Test embeddings close
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"""
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embeddings = None
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# Create index twice to test open/close and ensure resources are freed
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for _ in range(2):
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embeddings = Embeddings(
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{"path": "sentence-transformers/nli-mpnet-base-v2", "scoring": {"method": "bm25", "terms": True}, "content": self.backend}
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)
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# Add record to index
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embeddings.index([(0, "Close test", None)])
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# Save index
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index = os.path.join(tempfile.gettempdir(), f"embeddings.{self.category()}.close")
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embeddings.save(index)
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# Close index
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embeddings.close()
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# Test embeddings is empty
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self.assertIsNone(embeddings.ann)
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self.assertIsNone(embeddings.database)
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def testData(self):
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"""
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Test content storage and retrieval
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"""
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data = self.data + [{"date": "2021-01-01", "text": "Baby panda", "flag": 1}]
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# Create an index for the list of text
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self.embeddings.index([(uid, text, None) for uid, text in enumerate(data)])
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# Search for best match
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result = self.embeddings.search("feel good story", 1)[0]
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self.assertEqual(result["text"], data[-1]["text"])
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def testDelete(self):
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"""
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Test delete
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"""
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# Create an index for the list of text
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self.embeddings.index([(uid, text, None) for uid, text in enumerate(self.data)])
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# Delete best match
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self.embeddings.delete([4])
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# Search for best match
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result = self.embeddings.search("feel good story", 1)[0]
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self.assertEqual(self.embeddings.count(), 5)
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self.assertEqual(result["text"], self.data[5])
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def testEmpty(self):
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"""
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Test empty index
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"""
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print(self.__class__.__name__)
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# Test search against empty index
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embeddings = Embeddings({"path": "sentence-transformers/nli-mpnet-base-v2", "content": self.backend})
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self.assertEqual(embeddings.search("test"), [])
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# Test index with no data
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embeddings.index([])
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self.assertIsNone(embeddings.ann)
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# Test upsert with no data
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embeddings.index([(0, "this is a test", None)])
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embeddings.upsert([])
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self.assertIsNotNone(embeddings.ann)
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def testEmptyString(self):
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"""
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Test empty string indexing
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"""
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# Test empty string
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self.embeddings.index([(0, "", None)])
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self.assertTrue(self.embeddings.search("test"))
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# Test empty string with dict
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self.embeddings.index([(0, {"text": ""}, None)])
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self.assertTrue(self.embeddings.search("test"))
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def testExplain(self):
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"""
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Test query explain
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"""
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# Test explain with similarity
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result = self.embeddings.explain("feel good story", self.data)[0]
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self.assertEqual(result["text"], self.data[4])
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self.assertEqual(len(result.get("tokens")), 8)
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def testExplainBatch(self):
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"""
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Test query explain batch
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"""
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# Test explain with query
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self.embeddings.index([(uid, text, None) for uid, text in enumerate(self.data)])
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result = self.embeddings.batchexplain(["feel good story"], limit=1)[0][0]
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self.assertEqual(result["text"], self.data[4])
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self.assertEqual(len(result.get("tokens")), 8)
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def testExplainEmpty(self):
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"""
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Test query explain with no filtering criteria
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"""
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self.assertEqual(self.embeddings.explain("select * from txtai limit 1")[0]["id"], "0")
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def testGenerator(self):
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"""
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Test index with a generator
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"""
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def documents():
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for uid, text in enumerate(self.data):
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yield (uid, text, None)
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# Create an index for the list of text
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self.embeddings.index(documents())
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# Search for best match
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result = self.embeddings.search("feel good story", 1)[0]
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self.assertEqual(result["text"], self.data[4])
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def testHybrid(self):
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"""
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Test hybrid search
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"""
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# Build data array
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data = [(uid, text, None) for uid, text in enumerate(self.data)]
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# Index data with sparse + dense vectors.
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embeddings = Embeddings({"path": "sentence-transformers/nli-mpnet-base-v2", "hybrid": True, "content": self.backend})
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embeddings.index(data)
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# Run search
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result = embeddings.search("feel good story", 1)[0]
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self.assertEqual(result["text"], data[4][1])
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# Generate temp file path
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index = os.path.join(tempfile.gettempdir(), f"embeddings.{self.category()}.hybrid")
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# Test load/save
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embeddings.save(index)
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embeddings.load(index)
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# Run search
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result = embeddings.search("feel good story", 1)[0]
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self.assertEqual(result["text"], data[4][1])
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# Index data with sparse + dense vectors and unnormalized scores.
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embeddings.config["scoring"]["normalize"] = False
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embeddings.index(data)
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# Run search
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result = embeddings.search("feel good story", 1)[0]
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self.assertEqual(result["text"], data[4][1])
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# Test upsert
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data[0] = (0, "Feel good story: baby panda born", None)
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embeddings.upsert([data[0]])
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result = embeddings.search("feel good story", 1)[0]
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self.assertEqual(result["text"], data[0][1])
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def testIndex(self):
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"""
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Test index
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"""
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# Create an index for the list of text
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self.embeddings.index([(uid, text, None) for uid, text in enumerate(self.data)])
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# Search for best match
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result = self.embeddings.search("feel good story", 1)[0]
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self.assertEqual(result["text"], self.data[4])
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def testIndexTokens(self):
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"""
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Test index with tokens
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"""
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# Create an index for the list of text
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self.embeddings.index([(uid, text.split(), None) for uid, text in enumerate(self.data)])
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# Search for best match
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result = self.embeddings.search("feel good story", 1)[0]
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self.assertEqual(result["text"], self.data[4])
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def testInfo(self):
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"""
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Test info
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"""
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# Create an index for the list of text
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self.embeddings.index([(uid, text, None) for uid, text in enumerate(self.data)])
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output = io.StringIO()
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with contextlib.redirect_stdout(output):
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self.embeddings.info()
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self.assertIn("txtai", output.getvalue())
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def testInstructions(self):
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"""
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Test indexing with instruction prefixes.
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"""
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embeddings = Embeddings(
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{
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"path": "sentence-transformers/nli-mpnet-base-v2",
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"content": self.backend,
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"instructions": {"query": "query: ", "data": "passage: "},
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}
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)
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embeddings.index([(uid, text, None) for uid, text in enumerate(self.data)])
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# Search for best match
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result = embeddings.search("feel good story", 1)[0]
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self.assertEqual(result["text"], self.data[4])
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def testInvalidData(self):
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"""
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Test invalid JSON data
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"""
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# Test invalid JSON value
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with self.assertRaises(ValueError):
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self.embeddings.index([(0, {"text": "This is a test", "flag": float("NaN")}, None)])
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def testJSON(self):
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"""
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Test JSON configuration
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"""
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embeddings = Embeddings(
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{
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"format": "json",
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"path": "sentence-transformers/nli-mpnet-base-v2",
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"content": self.backend,
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}
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)
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embeddings.index([(uid, text, None) for uid, text in enumerate(self.data)])
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# Generate temp file path
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index = os.path.join(tempfile.gettempdir(), f"embeddings.{self.category()}.json")
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embeddings.save(index)
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# Check that config.json exists
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self.assertTrue(os.path.exists(os.path.join(index, "config.json")))
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# Check that index can be reloaded
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embeddings.load(index)
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self.assertEqual(embeddings.count(), 6)
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def testKeyword(self):
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"""
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Test keyword only (sparse) search
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"""
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# Build data array
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data = [(uid, text, None) for uid, text in enumerate(self.data)]
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# Index data with sparse + dense vectors
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embeddings = Embeddings({"keyword": True, "content": self.backend})
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embeddings.index(data)
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# Run search
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result = embeddings.search("lottery ticket", 1)[0]
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self.assertEqual(result["text"], data[4][1])
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# Test count method
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self.assertEqual(embeddings.count(), len(data))
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# Generate temp file path
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index = os.path.join(tempfile.gettempdir(), f"embeddings.{self.category()}.keyword")
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# Test load/save
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embeddings.save(index)
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embeddings.load(index)
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# Run search
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result = embeddings.search("lottery ticket", 1)[0]
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self.assertEqual(result["text"], data[4][1])
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# Update data
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data[0] = (0, "Feel good story: baby panda born", None)
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embeddings.upsert([data[0]])
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# Search for best match
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result = embeddings.search("feel good story", 1)[0]
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self.assertEqual(result["text"], data[0][1])
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def testMultiData(self):
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"""
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Test indexing with multiple data types (text, documents)
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"""
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embeddings = Embeddings({"path": "sentence-transformers/nli-mpnet-base-v2", "content": self.backend, "batch": len(self.data)})
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# Create an index using mixed data (text and documents)
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data = []
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for uid, text in enumerate(self.data):
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data.append((uid, text, None))
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data.append((uid, {"content": text}, None))
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embeddings.index(data)
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# Search for best match
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result = embeddings.search("feel good story", 1)[0]
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self.assertEqual(result["text"], self.data[4])
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def testMultiSave(self):
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"""
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Test multiple successive saves
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"""
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# Create an index for the list of text
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self.embeddings.index([(uid, text, None) for uid, text in enumerate(self.data)])
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# Save original index
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index = os.path.join(tempfile.gettempdir(), f"embeddings.{self.category()}.insert")
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self.embeddings.save(index)
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# Modify index
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self.embeddings.upsert([(0, "Looking out into the dreadful abyss", None)])
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# Save to a different location
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indexupdate = os.path.join(tempfile.gettempdir(), f"embeddings.{self.category()}.update")
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self.embeddings.save(indexupdate)
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# Save to same location
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self.embeddings.save(index)
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# Test all indexes match
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result = self.embeddings.search("feel good story", 1)[0]
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self.assertEqual(result["text"], self.data[4])
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self.embeddings.load(index)
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result = self.embeddings.search("feel good story", 1)[0]
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self.assertEqual(result["text"], self.data[4])
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self.embeddings.load(indexupdate)
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result = self.embeddings.search("feel good story", 1)[0]
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self.assertEqual(result["text"], self.data[4])
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def testNoIndex(self):
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"""
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Tests an embeddings instance with no available indexes
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"""
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# Disable top-level indexing
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embeddings = Embeddings(
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{
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||||
"content": self.backend,
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"defaults": False,
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||||
}
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)
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embeddings.index([(uid, text, None) for uid, text in enumerate(self.data)])
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with self.assertRaises(IndexNotFoundError):
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embeddings.search("select id, text, score from txtai where similar('feel good story')")
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def testNotImplemented(self):
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"""
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Test exceptions for non-implemented methods
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"""
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db = RDBMS({})
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self.assertRaises(NotImplementedError, db.connect, None)
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self.assertRaises(NotImplementedError, db.getcursor)
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self.assertRaises(NotImplementedError, db.jsonprefix)
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self.assertRaises(NotImplementedError, db.jsoncolumn, None)
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self.assertRaises(NotImplementedError, db.rows)
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self.assertRaises(NotImplementedError, db.addfunctions)
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db = Embedded({})
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self.assertRaises(NotImplementedError, db.copy, None)
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||||
def testObject(self):
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||||
"""
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||||
Test object field
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||||
"""
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||||
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||||
# Encode object
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||||
embeddings = Embeddings({"defaults": False, "content": self.backend, "objects": True})
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||||
embeddings.index([{"object": "binary data".encode("utf-8")}])
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||||
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# embeddings.save("/tmp/a")
|
||||
|
||||
# Decode and test extracted object
|
||||
obj = embeddings.search("select object from txtai where id = 0")[0]["object"]
|
||||
self.assertEqual(str(obj.getvalue(), "utf-8"), "binary data")
|
||||
|
||||
def testQueryModel(self):
|
||||
"""
|
||||
Test index
|
||||
"""
|
||||
|
||||
embeddings = Embeddings(
|
||||
{"path": "sentence-transformers/nli-mpnet-base-v2", "content": self.backend, "query": {"path": "neuml/t5-small-txtsql"}}
|
||||
)
|
||||
|
||||
# Create an index for the list of text
|
||||
embeddings.index([(uid, text, None) for uid, text in enumerate(self.data)])
|
||||
|
||||
# Search for best match
|
||||
result = embeddings.search("feel good story with win in text", 1)[0]
|
||||
|
||||
self.assertEqual(result["text"], self.data[4])
|
||||
|
||||
def testReindex(self):
|
||||
"""
|
||||
Test reindex
|
||||
"""
|
||||
|
||||
# Create an index for the list of text
|
||||
self.embeddings.index([(uid, text, None) for uid, text in enumerate(self.data)])
|
||||
|
||||
# Delete records to test indexids still match
|
||||
self.embeddings.delete(([0, 1]))
|
||||
|
||||
# Reindex
|
||||
self.embeddings.reindex({"path": "sentence-transformers/nli-mpnet-base-v2"}, ["text"])
|
||||
|
||||
# Search for best match
|
||||
result = self.embeddings.search("feel good story", 1)[0]
|
||||
|
||||
self.assertEqual(result["text"], self.data[4])
|
||||
|
||||
def testSave(self):
|
||||
"""
|
||||
Test save
|
||||
"""
|
||||
|
||||
# Create an index for the list of text
|
||||
self.embeddings.index([(uid, text, None) for uid, text in enumerate(self.data)])
|
||||
|
||||
# Generate temp file path
|
||||
index = os.path.join(tempfile.gettempdir(), f"embeddings.{self.category()}")
|
||||
|
||||
self.embeddings.save(index)
|
||||
self.embeddings.load(index)
|
||||
|
||||
# Search for best match
|
||||
result = self.embeddings.search("feel good story", 1)[0]
|
||||
|
||||
self.assertEqual(result["text"], self.data[4])
|
||||
|
||||
# Test offsets still work after save/load
|
||||
self.embeddings.upsert([(0, "Looking out into the dreadful abyss", None)])
|
||||
self.assertEqual(self.embeddings.count(), len(self.data))
|
||||
|
||||
def testSettings(self):
|
||||
"""
|
||||
Test custom SQLite settings
|
||||
"""
|
||||
|
||||
# Index with write-ahead logging enabled
|
||||
embeddings = Embeddings({"path": "sentence-transformers/nli-mpnet-base-v2", "content": self.backend, "sqlite": {"wal": True}})
|
||||
|
||||
# Create an index for the list of text
|
||||
embeddings.index([(uid, text, None) for uid, text in enumerate(self.data)])
|
||||
|
||||
# Search for best match
|
||||
result = embeddings.search("feel good story", 1)[0]
|
||||
|
||||
self.assertEqual(result["text"], self.data[4])
|
||||
|
||||
def testSQL(self):
|
||||
"""
|
||||
Test running a SQL query
|
||||
"""
|
||||
|
||||
# Create an index for the list of text
|
||||
self.embeddings.index([(uid, {"text": text, "length": len(text)}, None) for uid, text in enumerate(self.data)])
|
||||
|
||||
# Test similar
|
||||
result = self.embeddings.search(
|
||||
"select text, score from txtai where similar('feel good story') group by text, score having count(*) > 0 order by score desc", 1
|
||||
)[0]
|
||||
self.assertEqual(result["text"], self.data[4])
|
||||
|
||||
# Test similar with limits
|
||||
result = self.embeddings.search("select * from txtai where similar('feel good story', 1) limit 1")[0]
|
||||
self.assertEqual(result["text"], self.data[4])
|
||||
|
||||
# Test similar with offset
|
||||
result = self.embeddings.search("select * from txtai where similar('feel good story') offset 1")[0]
|
||||
self.assertEqual(result["text"], self.data[5])
|
||||
|
||||
# Test where
|
||||
result = self.embeddings.search("select * from txtai where text like '%iceberg%'", 1)[0]
|
||||
self.assertEqual(result["text"], self.data[1])
|
||||
|
||||
# Test count
|
||||
result = self.embeddings.search("select count(*) from txtai")[0]
|
||||
self.assertEqual(list(result.values())[0], len(self.data))
|
||||
|
||||
# Test columns
|
||||
result = self.embeddings.search("select id, text, length, data, entry from txtai")[0]
|
||||
self.assertEqual(sorted(result.keys()), ["data", "entry", "id", "length", "text"])
|
||||
|
||||
# Test SQL parse error
|
||||
with self.assertRaises(SQLError):
|
||||
self.embeddings.search("select * from txtai where bad,query")
|
||||
|
||||
def testSubindex(self):
|
||||
"""
|
||||
Test subindex
|
||||
"""
|
||||
|
||||
# Build data array
|
||||
data = [(uid, text, None) for uid, text in enumerate(self.data)]
|
||||
|
||||
# Disable top-level indexing and create subindex
|
||||
embeddings = Embeddings(
|
||||
{"content": self.backend, "defaults": False, "indexes": {"index1": {"path": "sentence-transformers/nli-mpnet-base-v2"}}}
|
||||
)
|
||||
embeddings.index(data)
|
||||
|
||||
# Run search
|
||||
result = embeddings.search("feel good story", 1)[0]
|
||||
self.assertEqual(result["text"], data[4][1])
|
||||
|
||||
# Run SQL search
|
||||
result = embeddings.search("select id, text, score from txtai where similar('feel good story', 10, 0.5)")[0]
|
||||
self.assertEqual(result["text"], data[4][1])
|
||||
|
||||
# Test missing index
|
||||
with self.assertRaises(IndexNotFoundError):
|
||||
embeddings.search("select id, text, score from txtai where similar('feel good story', 'notindex')")
|
||||
|
||||
# Generate temp file path
|
||||
index = os.path.join(tempfile.gettempdir(), f"embeddings.{self.category()}.subindex")
|
||||
|
||||
# Test load/save
|
||||
embeddings.save(index)
|
||||
embeddings.load(index)
|
||||
|
||||
# Run search
|
||||
result = embeddings.search("feel good story", 1)[0]
|
||||
self.assertEqual(result["text"], data[4][1])
|
||||
|
||||
# Update data
|
||||
data[0] = (0, "Feel good story: baby panda born", None)
|
||||
embeddings.upsert([data[0]])
|
||||
|
||||
# Search for best match
|
||||
result = embeddings.search("feel good story", 1)[0]
|
||||
self.assertEqual(result["text"], data[0][1])
|
||||
|
||||
# Check missing text is set to id when top-level indexing is disabled
|
||||
embeddings.upsert([(embeddings.count(), {"content": "empty text"}, None)])
|
||||
result = embeddings.search(f"{embeddings.count() - 1}", 1)[0]
|
||||
self.assertEqual(result["text"], str(embeddings.count() - 1))
|
||||
|
||||
# Close embeddings
|
||||
embeddings.close()
|
||||
|
||||
def testTerms(self):
|
||||
"""
|
||||
Test extracting keyword terms from query
|
||||
"""
|
||||
|
||||
result = self.embeddings.terms("select * from txtai where similar('keyword terms')")
|
||||
self.assertEqual(result, "keyword terms")
|
||||
|
||||
def testUpsert(self):
|
||||
"""
|
||||
Test upsert
|
||||
"""
|
||||
|
||||
# Build data array
|
||||
data = [(uid, text, None) for uid, text in enumerate(self.data)]
|
||||
|
||||
# Reset embeddings for test
|
||||
self.embeddings.ann = None
|
||||
self.embeddings.database = None
|
||||
|
||||
# Create an index for the list of text
|
||||
self.embeddings.upsert(data)
|
||||
|
||||
# Update data
|
||||
data[0] = (0, "Feel good story: baby panda born", None)
|
||||
self.embeddings.upsert([data[0]])
|
||||
|
||||
# Search for best match
|
||||
result = self.embeddings.search("feel good story", 1)[0]
|
||||
self.assertEqual(result["text"], data[0][1])
|
||||
|
||||
def testUpsertBatch(self):
|
||||
"""
|
||||
Test upsert batch
|
||||
"""
|
||||
|
||||
try:
|
||||
# Build data array
|
||||
data = [(uid, text, None) for uid, text in enumerate(self.data)]
|
||||
|
||||
# Reset embeddings for test
|
||||
self.embeddings.ann = None
|
||||
self.embeddings.database = None
|
||||
|
||||
# Create an index for the list of text
|
||||
self.embeddings.upsert(data)
|
||||
|
||||
# Set batch size to 1
|
||||
self.embeddings.config["batch"] = 1
|
||||
|
||||
# Update data
|
||||
data[0] = (0, "Feel good story: baby panda born", None)
|
||||
data[1] = (0, "Not good news", None)
|
||||
self.embeddings.upsert([data[0], data[1]])
|
||||
|
||||
# Search for best match
|
||||
result = self.embeddings.search("feel good story", 1)[0]
|
||||
|
||||
self.assertEqual(result["text"], data[0][1])
|
||||
finally:
|
||||
del self.embeddings.config["batch"]
|
||||
|
||||
def category(self):
|
||||
"""
|
||||
Content backend category.
|
||||
|
||||
Returns:
|
||||
category
|
||||
"""
|
||||
|
||||
return self.__class__.__name__.lower().replace("test", "")
|
||||
Reference in New Issue
Block a user