firebase-ios-sdk/FirebaseCombineSwift/Tests/Unit/AuthBackend+Combine.swift

// Copyright 2021 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

import Foundation
import Combine
import XCTest
import FirebaseAuth

extension FIRAuthBackend {
  class func signIn(withGameCenter request: FIRSignInWithGameCenterRequest)
    -> Future<FIRSignInWithGameCenterResponse, Error> {
    Future { promise in
      self.signIn(withGameCenter: request) { response, error in
        if let response = response {
          promise(.success(response))
        } else if let error = error {
          promise(.failure(error))
        }
      }
    }
  }
}