A canonical Repository test

import static org.fest.assertions.api.Assertions.*;

public class PersonRepositoryTest {
    private PersonRepository repository; // TODO < == you must initialize this

    @Test
    public void shouldSaveAllProperties() {
        Person person = samplePerson();
        repository.save(person); // TODO: Make sure your repository flushes!
        assertThat(repository.find(person.getId())
            .isNotSameAs(person)
            .isEqualTo(person)
            .isEqualsToByComparingFields(person);
    }

    @Test
    public void shouldFindByCaseInsensitiveSubstringOfName() {
        Person matching = samplePerson();
        Person nonMatching = samplePerson();
        matching.setName("A. Matching Person");
        nonMatching.setName("A. Random Person");
        repository.save(matching);
        repository.save(nonMatching);
        assertThat(repository.findByNameLike("MATCH"))
            .contains(matching)
            .doesNotContain(nonMatching);
    }
}

public class PersonTest {
    // ....
    public static Person samplePerson() {
        Person person = new Person();
        person.setName(sampleName());
        // TODO Initialize all properties
        return person;
    }

    public static String sampleName() {
        return SampleData.randomWord() + " " + SampleData.randomWord() + "son";
    }
}


public class SampleData {
    public static String randomString() {
        return random("foo", "bar", "baz", "qux", "quux"); // TODO: Add more!
    }

    public static <T> T random(T... options) {
        return options[random(options.length)];
    }

    public static int random(int max) {
        return random.nextInt(max);
    }

    private static Random random = new Random();
}

public class OrderRepositoryTest {
    private OrderRepository repository; // TODO < == you must initialize this
    private PersonRepository personRepository; // TODO <== you must initialize this

    private Person person = PersonTest.samplePerson();

    @Before
    public void insertData() {
        personRepository.save(person);
    }

    @Test
    public void shouldSaveAllProperties() {
        Order order = sampleOrder(person);
        repository.save(order); // TODO: Make sure your repository flushes!
        assertThat(repository.find(order.getId())
            .isNotSameAs(order)
            .isEqualTo(order)
            .isEqualsToByComparingFields(order);
    }