ml/param/JavaParamsSuite.java

0001 /*
0002  * Licensed to the Apache Software Foundation (ASF) under one or more
0003  * contributor license agreements.  See the NOTICE file distributed with
0004  * this work for additional information regarding copyright ownership.
0005  * The ASF licenses this file to You under the Apache License, Version 2.0
0006  * (the "License"); you may not use this file except in compliance with
0007  * the License.  You may obtain a copy of the License at
0008  *
0009  *    http://www.apache.org/licenses/LICENSE-2.0
0010  *
0011  * Unless required by applicable law or agreed to in writing, software
0012  * distributed under the License is distributed on an "AS IS" BASIS,
0013  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
0014  * See the License for the specific language governing permissions and
0015  * limitations under the License.
0016  */
0017
0018 package org.apache.spark.ml.param;
0019
0020 import java.util.Arrays;
0021
0022 import org.junit.Assert;
0023 import org.junit.Test;
0024
0025 /**
0026  * Test Param and related classes in Java
0027  */
0028 public class JavaParamsSuite {
0029
0030   @Test
0031   public void testParams() {
0032     JavaTestParams testParams = new JavaTestParams();
0033     Assert.assertEquals(1, testParams.getMyIntParam());
0034     testParams.setMyIntParam(2).setMyDoubleParam(0.4).setMyStringParam("a");
0035     Assert.assertEquals(0.4, testParams.getMyDoubleParam(), 0.0);
0036     Assert.assertEquals("a", testParams.getMyStringParam());
0037     Assert.assertArrayEquals(testParams.getMyDoubleArrayParam(), new double[]{1.0, 2.0}, 0.0);
0038   }
0039
0040   @Test
0041   public void testParamValidate() {
0042     ParamValidators.gt(1.0);
0043     ParamValidators.gtEq(1.0);
0044     ParamValidators.lt(1.0);
0045     ParamValidators.ltEq(1.0);
0046     ParamValidators.inRange(0, 1, true, false);
0047     ParamValidators.inRange(0, 1);
0048     ParamValidators.inArray(Arrays.asList(0, 1, 3));
0049     ParamValidators.inArray(Arrays.asList("a", "b"));
0050   }
0051 }