@Test public void hashcode_is_based_on_all_fields() { assertThat(underTest.hashCode()).isEqualTo(underTest.hashCode()); assertThat(underTest.hashCode()).isEqualTo(new QualityGate(QUALIGATE_ID, QUALIGATE_NAME, ImmutableSet.of(CONDITION_2, CONDITION_1)).hashCode()); assertThat(underTest.hashCode()).isNotEqualTo(null); assertThat(underTest.hashCode()).isNotEqualTo(new Object().hashCode()); assertThat(underTest.hashCode()).isNotEqualTo(new QualityGate("other_id", QUALIGATE_NAME, ImmutableSet.of(CONDITION_2, CONDITION_1)).hashCode()); assertThat(underTest.hashCode()).isNotEqualTo(new QualityGate(QUALIGATE_ID, "other_name", ImmutableSet.of(CONDITION_2, CONDITION_1)).hashCode()); assertThat(underTest.hashCode()).isNotEqualTo(new QualityGate(QUALIGATE_ID, QUALIGATE_NAME, emptySet()).hashCode()); assertThat(underTest.hashCode()).isNotEqualTo(new QualityGate(QUALIGATE_ID, QUALIGATE_NAME, ImmutableSet.of(CONDITION_1)).hashCode()); assertThat(underTest.hashCode()).isNotEqualTo(new QualityGate(QUALIGATE_ID, QUALIGATE_NAME, ImmutableSet.of(CONDITION_2)).hashCode()); assertThat(underTest.hashCode()).isNotEqualTo( new QualityGate(QUALIGATE_ID, QUALIGATE_NAME, ImmutableSet.of(CONDITION_1, CONDITION_2, new Condition("new", Condition.Operator.GREATER_THAN, "a"))).hashCode()); } }