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package xyz.driver.core.testkit
package postgres
import java.net.ServerSocket
import org.scalatest.{BeforeAndAfterAll, Suite}
import slick.jdbc.PostgresProfile
import xyz.driver.core.using
import scala.concurrent.Await
import scala.concurrent.duration._
trait DockerPostgresFixtureDatabase
extends FixtureDatabase[PostgresProfile] with DockerPostgresDatabase with BeforeAndAfterAll {
self: Suite =>
private val dbName: String = sys.env.getOrElse("TEST_DB_NAME", "postgres")
private val username: String = sys.env.getOrElse("TEST_DB_USERNAME", "postgres")
private val password: String = sys.env.getOrElse("TEST_DB_PASSWORD", "postgres")
private val port: Int = sys.env.get("TEST_DB_PORT").fold(getRandomPort())(_.toInt)
private val enabled: Boolean = !sys.env.get("DISABLE_DOCKER_TEST_DB").contains("true")
protected val connectionTimeout: Duration = 16.seconds
final val profile = PostgresProfile
final override val database = profile.backend.Database.forURL(
driver = "org.postgresql.Driver",
url = s"jdbc:postgresql://localhost:$port/$dbName",
user = username,
password = password)
object driverDatabase extends xyz.driver.core.database.Database {
override val profile = self.profile
override val database = self.database
}
private def getRandomPort(): Int = using(new ServerSocket(0))(_.getLocalPort())
@SuppressWarnings(Array("org.wartremover.warts.Var"))
private var dockerContainerId: Option[String] = None
private def waitForContainer(): Unit = {
import concurrent.ExecutionContext.Implicits.global
import profile.api._
val expiration = System.currentTimeMillis() + connectionTimeout.toMillis
val query = sql"SELECT 1;".as[Int]
def dbReady = Await.result(
database
.run(query)
.map(_ == Vector(1))
.recover({ case _: org.postgresql.util.PSQLException => false }),
connectionTimeout
)
while (!dbReady && System.currentTimeMillis() < expiration) {
Thread.sleep(100)
}
}
override protected def beforeAll(): Unit = {
if (enabled) {
dockerContainerId = Some(super.setupDockerDatabase(username, password, dbName, port))
waitForContainer()
}
super.beforeAll()
}
override protected def afterAll(): Unit = {
try super.afterAll()
finally dockerContainerId.foreach(killDockerDatabase)
}
}
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