AssertJ

1. 지원

• AssertJ Core 3.x 에는 Java 8 이상이 필요
• AssertJ Core 2.x 에는 Java 7 이상이 필요

 

2. 대표 메소드

• 기본: assertThat()
• isNotEqualTo, isEqualTo
• contains, 
• isNotEmpty, isNotNull, isEmpty, isNull
• startsWith, endsWith

3. 예외 처리

    @Test
    @DisplayName("IllegalArgument 예외 처리")
    void illegalArgs() {
        assertThatIllegalArgumentException().isThrownBy(() -> {
                    throw new IllegalArgumentException("Illegal args!");
                }).withMessage("%s!", "Illegal args")
                .withMessageContaining("Il")
                .withNoCause();
    }

 

 

공식문서: https://joel-costigliola.github.io/assertj/assertj-core-features-highlight.html

 

 

 

출처: 

Tecode: https://tecoble.techcourse.co.kr/post/2020-11-03-assertJ_methods/

zwundzwzig: https://velog.io/@amoeba25/AssertJ

Baeldung: https://www.baeldung.com/java-assert-object-of-type

쿠쿠s: https://dding9code.tistory.com/117