IGNITE-8907: [ML] Using vectors in featureExtractor
[ignite.git] / modules / ml / src / test / java / org / apache / ignite / ml / selection / scoring / metric / AccuracyTest.java
1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.apache.ignite.ml.selection.scoring.metric;
19
20 import java.util.Arrays;
21 import org.apache.ignite.ml.selection.scoring.TestLabelPairCursor;
22 import org.apache.ignite.ml.selection.scoring.cursor.LabelPairCursor;
23 import org.junit.Test;
24
25 import static org.junit.Assert.assertEquals;
26
27 /**
28 * Tests for {@link Accuracy}.
29 */
30 public class AccuracyTest {
31 /** */
32 @Test
33 public void testScore() {
34 Metric<Integer> scoreCalculator = new Accuracy<>();
35
36 LabelPairCursor<Integer> cursor = new TestLabelPairCursor<>(
37 Arrays.asList(1, 1, 1, 1),
38 Arrays.asList(1, 1, 0, 1)
39 );
40
41 double score = scoreCalculator.score(cursor.iterator());
42
43 assertEquals(0.75, score, 1e-12);
44 }
45 }