package foo;

import java.util.Arrays;
import java.util.List;

import org.junit.jupiter.api.Test;

import static org.assertj.core.api.Assertions.assertThat;

class FooTest {

    public class Person {
        String firstname;
        String lastname;

        public Person(String firstname, String lastname) {
            this.firstname = firstname;
            this.lastname = lastname;
        }
    }

    @Test
    public void listExample() {
        Person foo = new Person("Foo First", "Foo Last");
        Person bar = new Person("Bar First", "Bar Last");

        Person expectedFoo = new Person("Foo First", "wrong");
        Person expectedBar = new Person("Bar First", "wrong");

        List<Person> people = Arrays.asList(foo, bar);
        List<Person> expectedPeople = Arrays.asList(expectedFoo, expectedBar);

        // Works
        assertThat(people)
                .usingRecursiveComparison()
                .ignoringFields("lastname")
                .isEqualTo(expectedPeople);

        // Fails as expected
        assertThat(people)
                .usingRecursiveComparison()
                .ignoringFields("firstname")
                .isEqualTo(expectedPeople);


        // Should fail - but works!
        assertThat(people)
                .usingRecursiveComparison()
                .comparingOnlyFields("lastname")
                .isEqualTo(expectedPeople);

        // Should also fail - but works!
        assertThat(people)
                .usingRecursiveComparison()
                .comparingOnlyFields("bla", "blub")
                .isEqualTo(expectedPeople);

    }
}