/**
* 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.assertEquals;
import static org.mockito.Mockito.*;
import java.util.Arrays;
import java.util.List;
import org.junit.Test;
import com.github.pmerienne.trident.ml.core.TextInstance;
import com.github.pmerienne.trident.ml.preprocessing.TextInstanceCreator;
import storm.trident.tuple.TridentTuple;
public class TextInstanceCreatorTest {
@Test
public void testExtractTokens() {
// Given
TextInstanceCreator<Boolean> instanceCreator = new TextInstanceCreator<Boolean>(false);
// When
List<String> actualWords = instanceCreator.extractTokens("I can't argue with some arguments on argus with argues");
// Then
List<String> expectedWords = Arrays.asList("i", "can't", "argu", "some", "argument", "argu", "argu");
assertEquals(expectedWords, actualWords);
}
@Test
public void testCreateInstanceWithLabel() {
// Given
TextInstanceCreator<Integer> instanceCreator = new TextInstanceCreator<Integer>(true);
Integer expectedLabel = 1;
String expectedText = "I can't argue with some arguments on argus with argues";
TridentTuple tuple = mock(TridentTuple.class);
when(tuple.get(0)).thenReturn(expectedLabel);
when(tuple.getString(1)).thenReturn(expectedText);
// When
TextInstance<Integer> actualInstance = instanceCreator.createInstance(tuple);
// Then
TextInstance<Integer> expectedInstance = new TextInstance<Integer>(expectedLabel, Arrays.asList("i", "can't", "argu", "some", "argument", "argu", "argu"));
assertEquals(expectedInstance, actualInstance);
}
@Test
public void testCreateInstanceWithoutLabel() {
// Given
TextInstanceCreator<Integer> instanceCreator = new TextInstanceCreator<Integer>(false);
String expectedText = "I can't argue with some arguments on argus with argues";
TridentTuple tuple = mock(TridentTuple.class);
when(tuple.getString(0)).thenReturn(expectedText);
// When
TextInstance<Integer> actualInstance = instanceCreator.createInstance(tuple);
// Then
TextInstance<Integer> expectedInstance = new TextInstance<Integer>(Arrays.asList("i", "can't", "argu", "some", "argument", "argu", "argu"));
assertEquals(expectedInstance, actualInstance);
}
}