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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.prelude.query;
import static org.junit.Assert.*;
import java.util.ArrayList;
import java.util.List;
import org.junit.Test;
import com.yahoo.prelude.query.WordAlternativesItem.Alternative;
/**
* Functional test for the contracts in WordAlternativesItem.
*
* @author steinar
*/
public class WordAlternativesItemTestCase {
@Test
public final void testWordAlternativesItem() {
List<Alternative> terms = new ArrayList<>();
List<Alternative> expected;
terms.add(new Alternative("1", 1.0));
terms.add(new Alternative("2", 1.0));
terms.add(new Alternative("3", 1.0));
terms.add(new Alternative("4", 1.0));
expected = new ArrayList<>(terms);
terms.add(new Alternative("1", .1));
terms.add(new Alternative("2", .2));
terms.add(new Alternative("3", .3));
terms.add(new Alternative("4", .4));
WordAlternativesItem w = new WordAlternativesItem("", true, null, terms);
assertEquals(expected, w.getAlternatives());
}
@Test
public final void testSetAlternatives() {
List<Alternative> terms = new ArrayList<>();
terms.add(new Alternative("1", 1.0));
terms.add(new Alternative("2", 1.0));
WordAlternativesItem w = new WordAlternativesItem("", true, null, terms);
terms.add(new Alternative("1", 1.5));
terms.add(new Alternative("2", 0.5));
w.setAlternatives(terms);
assertTrue("Could not overwrite alternative",
w.getAlternatives().stream().anyMatch((a) -> a.word.equals("1") && a.exactness == 1.5));
assertTrue("Old alternative unexpectedly removed",
w.getAlternatives().stream().anyMatch((a) -> a.word.equals("2") && a.exactness == 1.0));
assertEquals(2, w.getAlternatives().size());
terms.add(new Alternative("3", 0.5));
w.setAlternatives(terms);
assertTrue("Could not add new term",
w.getAlternatives().stream().anyMatch((a) -> a.word.equals("3") && a.exactness == 0.5));
}
@Test
public final void testAddTerm() {
List<Alternative> terms = new ArrayList<>();
terms.add(new Alternative("1", 1.0));
terms.add(new Alternative("2", 1.0));
WordAlternativesItem w = new WordAlternativesItem("", true, null, terms);
w.addTerm("1", 0.1);
assertEquals(terms, w.getAlternatives());
w.addTerm("1", 2.0);
assertTrue("Could not add new alternative",
w.getAlternatives().stream().anyMatch((a) -> a.word.equals("1") && a.exactness == 2.0));
assertEquals(2, w.getAlternatives().size());
w.addTerm("3", 0.5);
assertTrue("Could not add new term",
w.getAlternatives().stream().anyMatch((a) -> a.word.equals("3") && a.exactness == 0.5));
}
}
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