/
MainTest.scala
186 lines (166 loc) · 8.11 KB
/
MainTest.scala
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package com.typesafe.slick.testkit.tests
import scala.language.higherKinds
import com.typesafe.slick.testkit.util.{JdbcTestDB, AsyncTest}
class MainTest extends AsyncTest[JdbcTestDB] { mainTest =>
import tdb.profile.api._
case class User(id: Int, first: String, last: String)
class Users(tag: Tag) extends Table[(Int, String, Option[String])](tag, "users") {
def id = column[Int]("id", O.PrimaryKey, O.AutoInc)
def first = column[String]("first", O SqlType "varchar(64)")
def last = column[Option[String]]("last")
def * = (id, first, last)
def orders = mainTest.orders filter { _.userID === id }
}
lazy val users = TableQuery[Users]
class Orders(tag: Tag) extends Table[(Int, Int, String, Boolean, Option[Boolean])](tag, "orders") {
def userID = column[Int]("userID")
def orderID = column[Int]("orderID", O.PrimaryKey, O.AutoInc)
def product = column[String]("product")
def shipped = column[Boolean]("shipped")
def rebate = column[Option[Boolean]]("rebate")
def * = (userID, orderID, product, shipped, rebate)
}
lazy val orders = TableQuery[Orders]
def test = {
val ddl = users.schema ++ orders.schema
ddl.create.statements.toSeq.length.should(_ >= 2)
users.map(u => (u.first, u.last)).insertStatement
val q1 = (for(u <- users) yield (u.id, u.first, u.last)).sortBy(_._1)
q1.result.statements.toSeq.length.should(_ >= 1)
val q1b = for(u <- users) yield (u.id, u.first.?, u.last,
(Case If u.id < 3 Then "low" If u.id < 6 Then "medium" Else "high"))
q1b.result.statements.toSeq.length.should(_ >= 1)
val q2 = for(u <- users if u.first === "Apu".bind) yield (u.last, u.id)
q2.result.statements.toSeq.length.should(_ >= 1)
val expectedUserTuples = List(
(1,"Homer",Some("Simpson")),
(2,"Marge",Some("Simpson")),
(3,"Apu",Some("Nahasapeemapetilon")),
(4,"Carl",Some("Carlson")),
(5,"Lenny",Some("Leonard")),
(6,"Santa's Little Helper",None),
(7,"Snowball",None)
)
val p1 = db.stream(((for {
_ <- ddl.create
ins1 <- users.map(u => (u.first, u.last)) += ("Homer", Some("Simpson"))
ins2 <- users.map(u => (u.first, u.last)) ++= Seq(
("Marge", Some("Simpson")), ("Apu", Some("Nahasapeemapetilon")), ("Carl", Some("Carlson")), ("Lenny", Some("Leonard")) )
ins3 <- users.map(_.first) ++= Seq("Santa's Little Helper", "Snowball")
total = for(i2 <- ins2; i3 <- ins3) yield ins1 + i2 + i3
/* All test DBs seem to report the actual number of rows. None would also be acceptable: */
_ = total.map(_ shouldBe 7)
r1 <- q1.result
_ = r1 shouldBe expectedUserTuples
} yield ()) andThen q1.result).withPinnedSession)
materialize(p1.mapResult { case (id,f,l) => User(id,f,l.orNull) }).flatMap { allUsers =>
allUsers shouldBe expectedUserTuples.map{ case (id,f,l) => User(id,f,l.orNull) }
db.run(for {
r1b <- q1b.result
_ = r1b shouldBe expectedUserTuples.map {
case (id,f,l) => (id, Some(f), l, if(id < 3) "low" else if(id < 6) "medium" else "high")
}
_ <- q2.result.head.map(_ shouldBe (Some("Nahasapeemapetilon"),3))
} yield allUsers)
}.flatMap { allUsers =>
//TODO verifyable non-random test
val ordersInserts =
for(u <- allUsers if u.first != "Apu" && u.first != "Snowball"; i <- 1 to 2)
yield orders.map(o => (o.userID, o.product, o.shipped, o.rebate)) += (
u.id, "Gizmo "+((scala.math.random*10)+1).toInt, i == 2, Some(u.first == "Marge"))
db.run(seq(ordersInserts: _*))
}.flatMap { _ =>
val q3 = for (
u <- users.sortBy(_.first) if u.last.isDefined;
o <- u.orders
) yield (u.first, u.last, o.orderID, o.product, o.shipped, o.rebate)
q3.result.statements.toSeq.length.should(_ >= 1)
// All Orders by Users with a last name by first name:
materialize(db.stream(q3.result)).map(s => s.length shouldBe 8)
}.flatMap { _ =>
val q4 = for {
u <- users
o <- u.orders
if (o.orderID === (for { o2 <- orders filter(o.userID === _.userID) } yield o2.orderID).max)
} yield (u.first, o.orderID)
q4.result.statements.toSeq.length.should(_ >= 1)
def maxOfPer[T <: Table[_], C[_]](c: Query[T, _, C])(m: (T => Rep[Int]), p: (T => Rep[Int])) =
c filter { o => m(o) === (for { o2 <- c if p(o) === p(o2) } yield m(o2)).max }
val q4b = for (
u <- users;
o <- maxOfPer(orders)(_.orderID, _.userID)
if o.userID === u.id
) yield (u.first, o.orderID)
q4b.result.statements.toSeq.length.should(_ >= 1)
val q4d = for (
u <- users if u.first inSetBind List("Homer", "Marge");
o <- orders if o.userID === u.id
) yield (u.first, (LiteralColumn(1) + o.orderID, 1), o.product)
q4d.result.statements.toSeq.length.should(_ >= 1)
db.run(for {
r4 <- q4.to[Set].result.named("Latest Order per User")
_ = r4 shouldBe Set(("Homer",2), ("Marge",4), ("Carl",6), ("Lenny",8), ("Santa's Little Helper",10))
r4b <- q4b.to[Set].result.named("Latest Order per User, using maxOfPer")
_ = r4b shouldBe Set(("Homer",2), ("Marge",4), ("Carl",6), ("Lenny",8), ("Santa's Little Helper",10))
_ <- q4d.result.map(r => r.length shouldBe 4)
} yield ())
}.flatMap { _ =>
val b1 = orders.filter( o => o.shipped && o.shipped ).map( o => o.shipped && o.shipped )
val b2 = orders.filter( o => o.shipped && o.rebate ).map( o => o.shipped && o.rebate )
val b3 = orders.filter( o => o.rebate && o.shipped ).map( o => o.rebate && o.shipped )
val b4 = orders.filter( o => o.rebate && o.rebate ).map( o => o.rebate && o.rebate )
val b5 = orders.filter( o => !o.shipped ).map( o => !o.shipped )
val b6 = orders.filter( o => !o.rebate ).map( o => !o.rebate )
val b7 = orders.map( o => o.shipped === o.shipped )
val b8 = orders.map( o => o.rebate === o.shipped )
val b9 = orders.map( o => o.shipped === o.rebate )
val b10 = orders.map( o => o.rebate === o.rebate )
b1.result.statements.toSeq.length.should(_ >= 1)
b2.result.statements.toSeq.length.should(_ >= 1)
b3.result.statements.toSeq.length.should(_ >= 1)
b4.result.statements.toSeq.length.should(_ >= 1)
b5.result.statements.toSeq.length.should(_ >= 1)
b6.result.statements.toSeq.length.should(_ >= 1)
b7.result.statements.toSeq.length.should(_ >= 1)
b8.result.statements.toSeq.length.should(_ >= 1)
b9.result.statements.toSeq.length.should(_ >= 1)
b10.result.statements.toSeq.length.should(_ >= 1)
val q5 = users filterNot { _.id in orders.map(_.userID) }
q5.result.statements.toSeq.length.should(_ >= 1)
q5.delete.statements.toSeq.length.should(_ >= 1)
val q6 = Query(q5.length)
q6.result.statements.toSeq.length.should(_ >= 1)
db.run(for {
r5 <- q5.to[Set].result.named("Users without Orders")
_ = r5 shouldBe Set((3,"Apu",Some("Nahasapeemapetilon")), (7,"Snowball",None))
deleted <- q5.delete
_ = deleted shouldBe 2
_ <- q6.result.head.map(_ shouldBe 0)
} yield ())
}.flatMap { _ =>
val q7 = Compiled { (s: Rep[String]) => users.filter(_.first === s).map(_.first) }
q7("Homer").updateStatement
val q7b = Compiled { users.filter(_.first === "Homer Jay").map(_.first) }
q7b.updateStatement
db.run(for {
_ <- q7("Homer").update("Homer Jay").map(_ shouldBe 1)
_ <- q7b.update("Homie").map(_ shouldBe 1)
_ <- q7("Marge").map(_.length).result.map(_ shouldBe 1)
_ <- q7("Marge").delete
_ <- q7("Marge").map(_.length).result.map(_ shouldBe 0)
} yield ())
}.flatMap { _ =>
val q8 = for(u <- users if u.last.isEmpty) yield (u.first, u.last)
q8.updateStatement
val q9 = users.length
q9.result.statements.toSeq.length.should(_ >= 1)
val q10 = users.filter(_.last inSetBind Seq()).map(u => (u.first, u.last))
db.run(for {
updated2 <- q8.update("n/a", Some("n/a"))
_ = updated2 shouldBe 1
_ <- q9.result.map(_ shouldBe 4)
_ <- q10.result.map(_ shouldBe Nil)
} yield ())
}
}
}