前言

• springboot 2.0.0.RELEASE
• maven 3.5.0
• 參考：https://docs.spring.io/spring-boot/docs/2.0.0.RELEASE/reference/htmlsingle/#boot-features-testing

引入dependency

<dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-test</artifactId><scope>test</scope></dependency>

Junit測試類：簡寫

Junit測試類

@RunWith(SpringRunner.class) @SpringBootTest public class TestProperties4Debug {private Logger log = LoggerFactory.getLogger(this.getClass());@Value("${debug}")private boolean isDebug;@Testpublic void t1() throws Exception {this.log.debug("debug : {}", this.isDebug);System.out.println(this.isDebug);} }

• SpringBootTest 默認尋找 @SpringBootConfiguration。尋找順序：src/test/java > src/main/java。
  • @SpringBootApplication 包含 @SpringBootConfiguration @EnableAutoConfiguration @ComponentScan）
  • @SpringBootConfiguration 包含 @Configuration
• SpringBootTest 默認尋找 application.properties。尋找順序：src/test/resources > src/main/resources。

Junit測試類：@ContextConfiguration、@TestPropertySource

Junit測試類

@RunWith(SpringRunner.class) @SpringBootTest @ContextConfiguration(classes=Application.class) @TestPropertySource("classpath:application.properties") public class TestProperties4Debug2 {@Value("${debug}")private boolean isDebug;@Testpublic void t1() throws Exception {Assert.assertTrue(this.isDebug);}}

Application類

@SpringBootApplication public class Application {public static void main(String[] args) throws IOException {SpringApplication.run(Application.class, args);}@Beanpublic CommandLineRunner commandLineRunner(ApplicationContext ctx) {return args -> {System.out.println("Application startup done.");};} }

application.properties

debug=true

總結

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