StructField from case class

mock.scala

import org.apache.spark.sql._

case class CC1(i: Int, s: Option[Int])
case class MockExpected2(i: Int, s: String, d: Option[Double], cc1: Option[CC1])

object MockExpected2 {

  val expectedSchema2: StructType = {
    StructType(Seq(
      StructField(name = "cc1", dataType = StructType({
        Seq(
          StructField(name = "i", dataType = IntegerType, nullable = false),
          StructField(name = "s", dataType = StringType, nullable = true))
      }), nullable = false),
      StructField(name = "i", dataType = IntegerType, nullable = false),
      StructField(name = "s", dataType = StringType, nullable = false),
      StructField(name = "d", dataType = DoubleType, nullable = true)))

  }

}