JarCastingtestcontainers-specs2 
Integration for testing components with docker.
Quick Start
To use testcontainers-specs2 in an existing SBT project with Scala 2.11 or a later version, add the following dependency to your build.sbt:
libraryDependencies += "io.chrisdavenport" %% "testcontainers-specs2" % "<version>" % Test
Examples
Migrations
import cats.effect._
import org.flywaydb.core.Flyway
import org.specs2.mutable.Specification
class MigrationsSpec
extends Specification
with ForAllTestContainer
with UsesPostgreSQLMultipleDatabases {
"Migrations should run Correctly" in {
IO {
Flyway
.configure()
.dataSource(jdbcUrl, dbUserName, dbPassword)
.load()
.migrate
}.attempt
.map(_.isRight)
.unsafeRunSync() must_=== true
}
}
Doobie
import cats.effect._
import doobie._
import doobie.implicits._
import doobie.specs2._
import org.flywaydb.core.Flyway
import org.specs2.mutable.Specification
import scala.concurrent.ExecutionContext
class QueriesSpec[F[_]]
extends Specification
with IOChecker
with ForAllTestContainer
with UsesPostgreSQLMultipleDatabases {
implicit val CS: ContextShift[IO] = IO.contextShift(ExecutionContext.global)
override lazy val transactor: Transactor[IO] = Transactor.fromDriverManager[IO](
driverName,
jdbcUrl,
dbUserName,
dbPassword
)
sequential
// afterStart / beforeStop available for actions at the begininning
// and end of a particular container session.
// In this case we make sure migrations have run before we check the sql statements.
override def afterStart(): Unit = {
Flyway
.configure()
.dataSource(jdbcUrl, dbUserName, dbPassword)
.load()
.migrate
()
}
check(sql"SELECT 1".query[Int])
}
