/**
* Copyright 2013-2015 Pierre Merienne
*
* 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 com.github.pmerienne.trident.ml.preprocessing;
import static org.junit.Assert.*;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import org.junit.Test;
import com.github.pmerienne.trident.ml.core.Instance;
import com.github.pmerienne.trident.ml.preprocessing.InstanceCreator;
import storm.trident.tuple.TridentTuple;
public class InstanceCreatorTest {
@Test
public void testCreateInstanceWithLabel() {
// Given
InstanceCreator<Boolean> instanceCreator = new InstanceCreator<Boolean>();
TridentTuple tuple = mock(TridentTuple.class);
Boolean expectedLabel = true;
double f1 = 0.53;
double f2 = 0.65;
when(tuple.size()).thenReturn(3);
when(tuple.get(0)).thenReturn(expectedLabel);
when(tuple.getDouble(1)).thenReturn(f1);
when(tuple.getDouble(2)).thenReturn(f2);
// When
Instance<Boolean> actualInstance = instanceCreator.createInstance(tuple);
// Then
Instance<Boolean> expectedInstance = new Instance<Boolean>(expectedLabel, new double[] { f1, f2 });
assertEquals(expectedInstance, actualInstance);
}
@Test
public void testCreateInstanceWithoutLabel() {
// Given
InstanceCreator<Boolean> instanceCreator = new InstanceCreator<Boolean>(false);
TridentTuple tuple = mock(TridentTuple.class);
double f1 = 0.53;
double f2 = 0.65;
when(tuple.size()).thenReturn(2);
when(tuple.getDouble(0)).thenReturn(f1);
when(tuple.getDouble(1)).thenReturn(f2);
// When
Instance<Boolean> actualInstance = instanceCreator.createInstance(tuple);
// Then
Instance<Boolean> expectedInstance = new Instance<Boolean>(new double[] { f1, f2 });
assertEquals(expectedInstance, actualInstance);
}
}