Package test

Source Code of test.FinderTests

package test;
import static org.junit.Assert.assertEquals;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;

import org.junit.Before;
import org.junit.Test;

import algorithm.F;
import algorithm.FT;
import algorithm.Finder;
import algorithm.Thing;

public class FinderTests {

  Thing sue = new Thing();
  Thing greg = new Thing();
  Thing sarah = new Thing();
  Thing mike = new Thing();

  @Before
  public void setup() {
    sue.name = "Sue";
    sue.birthDate = new Date(50, 0, 1);
    greg.name = "Greg";
    greg.birthDate = new Date(52, 5, 1);
    sarah.name = "Sarah";
    sarah.birthDate = new Date(82, 0, 1);
    mike.name = "Mike";
    mike.birthDate = new Date(79, 0, 1);
  }

  @Test
  public void Returns_Empty_Results_When_Given_Empty_List() {
    List<Thing> list = new ArrayList<Thing>();
    Finder finder = new Finder(list);

    F result = finder.Find(FT.One);
    assertEquals(null, result.P1);

    assertEquals(null, result.P2);
  }

  @Test
  public void Returns_Empty_Results_When_Given_One_Person() {
    List<Thing> list = new ArrayList<Thing>();
    list.add(sue);

    Finder finder = new Finder(list);

    F result = finder.Find(FT.One);

    assertEquals(null, result.P1);
    assertEquals(null, result.P2);
  }

  @Test
  public void Returns_Closest_Two_For_Two_People() {
    List<Thing> list = new ArrayList<Thing>();
    list.add(sue);
    list.add(greg);
    Finder finder = new Finder(list);

    F result = finder.Find(FT.One);

    assertEquals(sue, result.P1);
    assertEquals(greg, result.P2);
  }

  @Test
  public void Returns_Furthest_Two_For_Two_People() {
    List<Thing> list = new ArrayList<Thing>();
    list.add(mike);
    list.add(greg);

    Finder finder = new Finder(list);

    F result = finder.Find(FT.Two);

    assertEquals(greg, result.P1);
    assertEquals(mike, result.P2);
  }

  @Test
  public void Returns_Furthest_Two_For_Four_People() {
    List<Thing> list = new ArrayList<Thing>();
    list.add(sue);
    list.add(sarah);
    list.add(mike);
    list.add(greg);
    Finder finder = new Finder(list);

    F result = finder.Find(FT.Two);

    assertEquals(sue, result.P1);
    assertEquals(sarah, result.P2);
  }

  @Test
  public void Returns_Closest_Two_For_Four_People() {
    List<Thing> list = new ArrayList<Thing>();
    list.add(sue);
    list.add(sarah);
    list.add(mike);
    list.add(greg);

    Finder finder = new Finder(list);

    F result = finder.Find(FT.One);

    assertEquals(sue, result.P1);
    assertEquals(greg, result.P2);
  }

}
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