/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.kylin.cluster.parser

import org.apache.kylin.cluster.{AvailableResource, ResourceInfo, TestUtils}
import org.apache.kylin.common.KylinConfig
import org.apache.kylin.engine.spark.job.KylinBuildEnv
import org.apache.spark.sql.common.SparderBaseFunSuite
import org.mockito.Mockito

class TestCapacitySchedulerParser extends SparderBaseFunSuite {

  private val config = Mockito.mock(classOf[KylinConfig])
  Mockito.when(config.getClusterManagerClassName).thenReturn("org.apache.spark.application.MockClusterManager")
  Mockito.when(config.getClusterManagerTimeoutThreshold).thenReturn(10 * 1000)
  Mockito.when(config.useDynamicResourcePlan()).thenReturn(true)

  /**
   * value store in json:
   * cluster, max: 100%, used: 13.541667%
   * default, max: 20%, used: 0%, resourceUsed(0, 0)
   * dev_test, max: 50.0%, used: 13.541667%, resourceUsed(19968, 5)
   */

  test("availableResource return correct available resource in target queue") {
    KylinBuildEnv.clean()
    val env = KylinBuildEnv.getOrCreate(config)

    val content = TestUtils.getContent("schedulerInfo/capacitySchedulerInfo.json")
    val parser = new CapacitySchedulerParser
    parser.parse(content)
    val defaultResource = parser.availableResource("default")
    assert(defaultResource == AvailableResource(ResourceInfo(10, 20), ResourceInfo(429496729, 429496729)))
    val devResource = parser.availableResource("dev_test")
    assert(devResource == AvailableResource(ResourceInfo(10, 20), ResourceInfo(73727, 1073741823)))
  }

  test("return correct available resource in target queue ") {
    KylinBuildEnv.clean()
    val env = KylinBuildEnv.getOrCreate(config)

    val content = TestUtils.getContent("schedulerInfo/mockCapacitySchedulerInfo.json")
    val parser = new CapacitySchedulerParser
    parser.parse(content)
    val sys_kylin_w = parser.availableResource("sys_kylin_w")
    assert(sys_kylin_w.max.vCores == Int.MaxValue)
  }

  test("availableResource return correct elastically available resource in target queue") {
    KylinBuildEnv.clean()
    val env = KylinBuildEnv.getOrCreate(config)
    Mockito.when(config.useQueueElasticResource()).thenReturn(true)

    val content = TestUtils.getContent("schedulerInfo/capacitySchedulerInfo.json")
    val parser = new CapacitySchedulerParser
    parser.parse(content)
    val defaultResource = parser.availableResource("default")
    assert(defaultResource == AvailableResource(ResourceInfo(429496729, 429496729), ResourceInfo(429496729, 429496729)))
    val devResource = parser.availableResource("dev_test")
    assert(devResource == AvailableResource(ResourceInfo(53759, 782936739), ResourceInfo(73727, 1073741823)))
  }

  protected override def afterAll(): Unit = {
    KylinBuildEnv.clean()
  }
}
