forked from eclipse/eclipse-collections-kata
/
Exercise1Test.java
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Exercise1Test.java
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/*
* Copyright (c) 2016 Goldman Sachs.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Eclipse Distribution License v. 1.0 which accompany this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*/
package org.eclipse.collections.petkata;
import org.eclipse.collections.api.list.MutableList;
import org.eclipse.collections.impl.factory.Lists;
import org.eclipse.collections.impl.test.Verify;
import org.junit.Assert;
import org.junit.Test;
public class Exercise1Test extends PetDomainForKata
{
@Test
public void getFirstNamesOfAllPeople()
{
final MutableList<Person> people = this.people;
final MutableList<String> firstNames = people.collect(person -> person.getFirstName());
final MutableList<String> expectedFirstNames
= Lists.mutable.with("Mary", "Bob", "Ted", "Jake", "Barry", "Terry", "Harry", "John");
Assert.assertEquals(expectedFirstNames, firstNames);
}
@Test
public void getNamesOfMarySmithsPets()
{
final Person person = this.getPersonNamed("Mary Smith");
final MutableList<Pet> pets = person.getPets();
//Replace null, with a transformation method on MutableList.
final MutableList<String> names = person.getPets().collect(pet -> pet.getName());
Assert.assertEquals("Tabby", names.makeString());
}
@Test
public void getPeopleWithCats()
{
final MutableList<Person> people = this.people;
final MutableList<Person> peopleWithCats
= people.select(person -> person.hasPet(PetType.CAT));
Verify.assertSize(2, peopleWithCats);
}
@Test
public void getPeopleWithoutCats()
{
final MutableList<Person> people = this.people;
final MutableList<Person> peopleWithoutCats
= people.reject(person -> person.hasPet(PetType.CAT));
Verify.assertSize(6, peopleWithoutCats);
}
}