/*
 * Copyright 2018 Comcast Cable Communications Management, 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.
 */

package vinyldns.core.health

import cats.effect._
import vinyldns.core.health.HealthCheck._
import org.scalatest.matchers.should.Matchers
import org.scalatest.wordspec.AnyWordSpec

class HealthServiceSpec extends AnyWordSpec with Matchers {

  "Checking Status" should {
    val successCheck: HealthCheck = IO.unit.attempt.asHealthCheck(classOf[HealthServiceSpec])
    val failCheck: HealthCheck =
      IO.raiseError(new RuntimeException("bad!")).attempt.asHealthCheck(classOf[HealthServiceSpec])

    "return all health check failures" in {
      val dsHealthCheck = List(successCheck, failCheck)
      val underTest = new HealthService(dsHealthCheck)
      val result = underTest.checkHealth().unsafeRunSync()
      result.length shouldBe 1
      result.head.message shouldBe "vinyldns.core.health.HealthServiceSpec health check failed with msg='bad!'"
    }

    "return an empty list when no errors" in {
      val dsHealthCheck = List(successCheck, successCheck)
      val underTest = new HealthService(dsHealthCheck)
      val result = underTest.checkHealth().unsafeRunSync()
      result shouldBe Nil
    }
  }
}
