I'm new to play framework and have limited experience with scala. Using play framework 2.4 I'm trying to write full integrations tests where I want to call controller, and using in-memory db retrieve data from it. I'm using scalatest-plus together with scalatest. I have read about play unit tests in play documentation and now trying to use play.api.test.FakeApplication but i cannot find a way to inject my guice module to this fake application. I'm ussing OneAppPerSuite trait I can override FakeApplication but cannot pass any guice module for injection. Here is FakeApplication source from:
case class FakeApplication(
override val path: java.io.File = new java.io.File("."),
override val classloader: ClassLoader = classOf[FakeApplication].getClassLoader,
additionalPlugins: Seq[String] = Nil,
withoutPlugins: Seq[String] = Nil,
additionalConfiguration: Map[String, _ <: Any] = Map.empty,
withGlobal: Option[play.api.GlobalSettings] = None,
withRoutes: PartialFunction[(String, String), Handler] = PartialFunction.empty) extends Application {
private val app: Application = new GuiceApplicationBuilder()
.in(Environment(path, classloader, Mode.Test))
.global(withGlobal.orNull)
.configure(additionalConfiguration)
.bindings(
bind[FakePluginsConfig] to FakePluginsConfig(additionalPlugins, withoutPlugins),
bind[FakeRouterConfig] to FakeRouterConfig(withRoutes))
.overrides(
bind[Plugins].toProvider[FakePluginsProvider],
bind[Router].toProvider[FakeRouterProvider])
.build
....
So there is no way for me to pass custom module here.
Here is how my test looks like:
class UsersControllerTest extends PlaySpec with OneAppPerSuite {
override implicit lazy val app = FakeApplication(additionalConfiguration = inMemoryDatabase())
"Application " should {
"work" in {
val resp = route(FakeRequest(GET, "/api/users")).get
}
}
}
And here is my controller I want to test:
class UserController @Inject()
(userService: UserService)
(implicit ec: ExecutionContext) extends Controller {
def get = Action.async { implicit request => {
// implementation
}
}
}
Obviously my test now fail since it cannot find UserService instance.
So my question is:
- How to properly write end2end integration tests with play using guice context
- Is it common to write such tests in play application, since I cannot find any decent examples or documentation of doing something like that. I used to write such tests in java web applications where integration tests load spring context, but can't find such examples in play.
Thanks in advance.