s2jobs/src/test/scala/org/apache/s2graph/s2jobs/task/SinkTest.scala

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 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
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 *
 *   http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.s2graph.s2jobs.task

import org.apache.s2graph.core.S2EdgeLike
import org.apache.s2graph.s2jobs.BaseSparkTest
import org.apache.spark.sql.DataFrame

import scala.collection.JavaConverters._

class SinkTest extends BaseSparkTest {
  override def beforeAll(): Unit = {
    super.beforeAll()
    initTestEdgeSchema(s2, tableName, schemaVersion, compressionAlgorithm)
  }

  def toDataFrame(edges: Seq[String]): DataFrame = {
    import spark.sqlContext.implicits._
    val elements = edges.flatMap(s2.elementBuilder.toEdge(_))

    elements.map { e =>
      (e.getTs(),
        e.getOperation(),
        "e",
        e.srcVertex.innerIdVal.toString,
        e.tgtVertex.innerIdVal.toString,
        e.label(),
        "{}",
        e.getDirection())
    }.toDF("timestamp", "operation", "element", "from", "to", "label", "props", "direction")
  }

  test("S2graphSink writeBatchWithBulkload") {
    val bulkEdgeString = "1416236400000\tinsert\tedge\ta\tb\tfriends\t{\"since\":1316236400000,\"score\":10}"
    val df = toDataFrame(Seq(bulkEdgeString))
    val conf = bulkloadOptions

    val sink = new S2GraphSink("testQuery", conf)
    sink.write(df)

    val s2Edges = s2.edges().asScala.toSeq.map(_.asInstanceOf[S2EdgeLike])
    s2Edges.foreach { edge => println(edge) }

    val filteredEdges = s2Edges.filter { edge =>
      edge.srcVertex.innerIdVal.toString == "a" &&
        edge.tgtVertex.innerIdVal.toString == "b" &&
        edge.label() == "friends"
    }

    assert(filteredEdges.size == 1)
  }

  test("S2graphSink writeBatchWithMutate") {
    val bulkEdgeString = "1416236400000\tinsert\tedge\tb\tc\tfriends\t{\"since\":1316236400000,\"score\":20}"
    val df = toDataFrame(Seq(bulkEdgeString))
    val args = Map("writeMethod" -> "mutate") ++
      options.toCommand.grouped(2).map { kv => kv.head -> kv.last }.toMap

    val conf = TaskConf("test", "sql", Seq("input"), args)

    val sink = new S2GraphSink("testQuery", conf)
    sink.write(df)

    val s2Edges = s2.edges().asScala.toSeq.map(_.asInstanceOf[S2EdgeLike])
    s2Edges.foreach { edge => println(edge) }

    val filteredEdges = s2Edges.filter { edge =>
      edge.srcVertex.innerIdVal.toString == "b" &&
        edge.tgtVertex.innerIdVal.toString == "c" &&
        edge.getTs() == 1416236400000L &&
        edge.label() == "friends"
    }

    assert(filteredEdges.size == 1)
  }

}