mllib/src/test/scala/org/apache/spark/ml/util/MLTestingUtils.scala


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/*
 * 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.spark.ml.util

import org.apache.spark.ml.Model
import org.apache.spark.ml.param.ParamMap

object MLTestingUtils {
  def checkCopy(model: Model[_]): Unit = {
    val copied = model.copy(ParamMap.empty)
      .asInstanceOf[Model[_]]
    assert(copied.parent.uid == model.parent.uid)
    assert(copied.parent == model.parent)
  }
}