我有以下使用PlaySlick連接到數據庫的DAO。該類有一個方法read
,我需要使用ScalaTest進行測試。我的問題是我不知道如何模擬DatabaseConfigProvider
將它注入UsersDAO
類並測試read
方法。這是類測試:在ScalaTest中注入PlaySlick數據庫連接
class UsersDAO @Inject()(@NamedDatabase("mydb")
protected val dbConfigProvider: DatabaseConfigProvider)
extends with HasDatabaseConfigProvider[JdbcProfile] {
import driver.api._
val db1 = dbConfigProvider.get[JdbcProfile].db
def read (sk: Int) = {
val users = TableQuery[UserDB]
val action = users.filter(_.sk === sk).result
val future = db1.run(action.asTry)
future.map{
case Success(s) =>
if (s.length>0)
Some(s(0))
else
None
case Failure(e) => throw new Exception ("Failure: " + e.getMessage)
}
}
}
,這是我嘗試寫測試:
class UserDAOTest extends PlaySpec with OneAppPerSuite {
implicit override lazy val app = new GuiceApplicationBuilder().
configure(
Configuration.from(
Map(
"slick.dbs.mydb.driver" -> "slick.driver.MySQLDriver$",
"slick.dbs.mydb.db.driver" -> "com.mysql.jdbc.Driver",
"slick.dbs.mydb.db.url" -> "jdbc:mysql://localhost:3306/control",
"slick.dbs.mydb.db.user" -> "root",
"slick.dbs.mydb.db.password" -> "xxxxx"
)
)
).build
val dbConfigProvider = app.injector.instanceOf[DatabaseConfigProvider]
"Example " should {
"be valid" in {
val controller = new UsersDAO(dbConfigProvider)
val result = controller.read(1)
println(result)
}
}
當我運行失敗,出現以下錯誤消息的測試:
com.google.inject.ConfigurationException: Guice configuration errors:
1) No implementation for play.api.db.slick.DatabaseConfigProvider was bound. while locating play.api.db.slick.DatabaseConfigProvider
掙扎與完全相同的問題=> http://stackoverflow.com/questions/41369252/scala-play-and-scalatest-directory-structure-mismatch –
'DatabaseConfigProvider.get [JdbcProfile](「mydb」)'? –
@ insan -e這會引發錯誤:'type mismatch;找到:slick.backend.DatabaseConfig [slick.driver.JdbcProfile]必需:play.api.db.slick.DatabaseConfigProvider' – ps0604