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Add some Cassandra tests with Vector type (#465)
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196
...ream-runtime-impl/src/test/java/ai/langstream/kafka/CassandraVectorAssetQueryWriteIT.java
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| /* | ||
| * Copyright DataStax, Inc. | ||
| * | ||
| * Licensed 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. | ||
| */ | ||
| package ai.langstream.kafka; | ||
|
|
||
| import static org.junit.jupiter.api.Assertions.assertEquals; | ||
| import static org.junit.jupiter.api.Assertions.assertNull; | ||
| import static org.junit.jupiter.api.Assertions.fail; | ||
|
|
||
| import ai.langstream.AbstractApplicationRunner; | ||
| import com.datastax.oss.driver.api.core.CqlSession; | ||
| import com.datastax.oss.driver.api.core.CqlSessionBuilder; | ||
| import com.datastax.oss.driver.api.core.cql.ResultSet; | ||
| import com.datastax.oss.driver.api.core.cql.Row; | ||
| import com.datastax.oss.driver.api.core.data.CqlVector; | ||
| import com.datastax.oss.driver.api.core.servererrors.InvalidQueryException; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.Set; | ||
| import java.util.stream.Collectors; | ||
| import lombok.extern.slf4j.Slf4j; | ||
| import org.apache.kafka.clients.consumer.KafkaConsumer; | ||
| import org.apache.kafka.clients.producer.KafkaProducer; | ||
| import org.junit.jupiter.api.Test; | ||
| import org.testcontainers.containers.CassandraContainer; | ||
| import org.testcontainers.junit.jupiter.Container; | ||
| import org.testcontainers.junit.jupiter.Testcontainers; | ||
| import org.testcontainers.utility.DockerImageName; | ||
|
|
||
| @Slf4j | ||
| @Testcontainers | ||
| class CassandraVectorAssetQueryWriteIT extends AbstractApplicationRunner { | ||
|
|
||
| @Container | ||
| private CassandraContainer cassandra = | ||
| new CassandraContainer( | ||
| new DockerImageName("stargateio/dse-next", "4.0.7-0cf63a3d0b6d") | ||
| .asCompatibleSubstituteFor("cassandra")); | ||
|
|
||
| @Test | ||
| public void testCassandra() throws Exception { | ||
| String tenant = "tenant"; | ||
| String[] expectedAgents = {"app-step1", "app-step2"}; | ||
|
|
||
| Map<String, String> application = | ||
| Map.of( | ||
| "configuration.yaml", | ||
| """ | ||
| configuration: | ||
| resources: | ||
| - type: "vector-database" | ||
| name: "CassandraDatasource" | ||
| configuration: | ||
| service: "cassandra" | ||
| contact-points: "%s" | ||
| loadBalancing-localDc: "%s" | ||
| port: %d | ||
| """ | ||
| .formatted( | ||
| cassandra.getContactPoint().getHostString(), | ||
| cassandra.getLocalDatacenter(), | ||
| cassandra.getContactPoint().getPort()), | ||
| "pipeline.yaml", | ||
| """ | ||
| assets: | ||
| - name: "vsearch-keyspace" | ||
| asset-type: "cassandra-keyspace" | ||
| creation-mode: create-if-not-exists | ||
| deletion-mode: delete | ||
| config: | ||
| keyspace: "vsearch" | ||
| datasource: "CassandraDatasource" | ||
| create-statements: | ||
| - "CREATE KEYSPACE vsearch WITH REPLICATION = {'class' : 'SimpleStrategy','replication_factor' : 1};" | ||
| delete-statements: | ||
| - "DROP KEYSPACE vsearch;" | ||
| - name: "documents-table" | ||
| asset-type: "cassandra-table" | ||
| creation-mode: create-if-not-exists | ||
| config: | ||
| table-name: "documents" | ||
| keyspace: "vsearch" | ||
| datasource: "CassandraDatasource" | ||
| create-statements: | ||
| - "CREATE TABLE IF NOT EXISTS vsearch.documents (id int PRIMARY KEY, name text, description text, embeddings VECTOR<FLOAT,5>);" | ||
| - "INSERT INTO vsearch.documents (id, name, description) VALUES (1, 'A', 'A description');" | ||
| topics: | ||
| - name: "input-topic" | ||
| creation-mode: create-if-not-exists | ||
| - name: "output-topic" | ||
| creation-mode: create-if-not-exists | ||
| pipeline: | ||
| - id: step1 | ||
| name: "Execute Query" | ||
| type: "query-vector-db" | ||
| input: "input-topic" | ||
| configuration: | ||
| datasource: "CassandraDatasource" | ||
| query: "SELECT * FROM vsearch.documents WHERE id=?;" | ||
| only-first: true | ||
| output-field: "value.queryresult" | ||
| fields: | ||
| - "value.documentId" | ||
| - name: "Generate a new record, with a new id" | ||
| type: "compute" | ||
| output: "output-topic" | ||
| configuration: | ||
| fields: | ||
| - expression : "value.documentId + 1" | ||
| name : "value.documentId" | ||
| - expression : "value.queryresult.name" | ||
| name : "value.name" | ||
| - expression : "value.queryresult.description" | ||
| name : "value.description" | ||
| - id: step2 | ||
| name: "Write a new record to Cassandra" | ||
| type: "vector-db-sink" | ||
| input: "output-topic" | ||
| configuration: | ||
| datasource: "CassandraDatasource" | ||
| table-name: "documents" | ||
| keyspace: "vsearch" | ||
| mapping: "id=value.documentId,name=value.name,description=value.description,embeddings=value.embeddings" | ||
| """); | ||
|
|
||
| try (ApplicationRuntime applicationRuntime = | ||
| deployApplication( | ||
| tenant, "app", application, buildInstanceYaml(), expectedAgents)) { | ||
| try (KafkaProducer<String, String> producer = createProducer(); | ||
| KafkaConsumer<String, String> consumer = createConsumer("output-topic")) { | ||
|
|
||
| sendMessage( | ||
| "input-topic", | ||
| "{\"documentId\":1, \"embeddings\":[0.1,0.2,0.3,0.4,0.5]}", | ||
| producer); | ||
|
|
||
| executeAgentRunners(applicationRuntime); | ||
| waitForMessages( | ||
| consumer, | ||
| List.of( | ||
| "{\"documentId\":2,\"embeddings\":[0.1,0.2,0.3,0.4,0.5],\"queryresult\":{\"embeddings\":null,\"name\":\"A\",\"description\":\"A description\",\"id\":\"1\"},\"name\":\"A\",\"description\":\"A description\"}")); | ||
|
|
||
| CqlSessionBuilder builder = new CqlSessionBuilder(); | ||
| builder.addContactPoint(cassandra.getContactPoint()); | ||
| builder.withLocalDatacenter(cassandra.getLocalDatacenter()); | ||
|
|
||
| try (CqlSession cqlSession = builder.build(); ) { | ||
| ResultSet execute = cqlSession.execute("SELECT * FROM vsearch.documents"); | ||
| List<Row> all = execute.all(); | ||
| Set<Integer> documentIds = | ||
| all.stream().map(row -> row.getInt("id")).collect(Collectors.toSet()); | ||
| all.forEach( | ||
| row -> { | ||
| int id = row.getInt("id"); | ||
| CqlVector<?> embeddings = row.getCqlVector("embeddings"); | ||
| log.info("ID {} Embeddings: {}", id, embeddings); | ||
| if (id == 2) { | ||
| assertEquals( | ||
| embeddings, | ||
| CqlVector.builder() | ||
| .add(0.1f, 0.2f, 0.3f, 0.4f, 0.5f) | ||
| .build()); | ||
| } else { | ||
| assertNull(embeddings); | ||
| } | ||
| }); | ||
| assertEquals(2, all.size()); | ||
| assertEquals(Set.of(1, 2), documentIds); | ||
| } | ||
|
|
||
| applicationDeployer.cleanup(tenant, applicationRuntime.implementation()); | ||
|
|
||
| try (CqlSession cqlSession = builder.build(); ) { | ||
| try { | ||
| cqlSession.execute("DESCRIBE KEYSPACE vsearch"); | ||
| fail(); | ||
| } catch (InvalidQueryException e) { | ||
| assertEquals("'vsearch' not found in keyspaces", e.getMessage()); | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } |
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