另一种适用于覆盖测试中的一些属性的方法，如果你使用@SpringBootTest注释:

@SpringBootTest(properties = {"propA=valueA", "propB=valueB"})

您还可以使用元注释来具体化配置。例如:

@RunWith(SpringJUnit4ClassRunner.class)
@DefaultTestAnnotations
public class ExampleApplicationTests { 
   ...
}

@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.TYPE)
@SpringApplicationConfiguration(classes = ExampleApplication.class)
@TestPropertySource(locations="classpath:test.properties")
public @interface DefaultTestAnnotations { }

I just configured min as the following :

spring.h2.console.enabled=true
spring.h2.console.path=/h2-console


# changing the name of my data base for testing
spring.datasource.url= jdbc:h2:mem:mockedDB
spring.datasource.username=sa
spring.datasource.password=sa



# in testing i don`t need to know the port

#Feature that determines what happens when no accessors are found for a type
#(and there are no annotations to indicate it is meant to be serialized).
spring.jackson.serialization.FAIL_ON_EMPTY_BEANS=false`enter code here`

您可以创建一个弹簧。src/test/resources/META-INF中的factories文件和src/test/java中的EnvironmentPostProcessor Implementation类。 春天。工厂像

# Environment Post Processors
org.springframework.boot.env.EnvironmentPostProcessor=\
com.example.test.YourTestPropertiesConfig

YourTestPropertiesConfig.java像

package com.example.test;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.env.EnvironmentPostProcessor;
import org.springframework.core.env.ConfigurableEnvironment;
import org.springframework.core.env.MapPropertySource;

import java.util.HashMap;
import java.util.Map;

public class YourTestPropertiesConfig implements EnvironmentPostProcessor {
    private static final Map<String, Object> testProperties = new HashMap<>();
    private static final Set<String> testPropertiesFile = new HashSet<>();

    static {
    //Add the properties you need to take effect globally in the test directly here.
        testProperties.put("spring.jackson.time-zone", "GMT");
        testPropertiesFile.add("classpath:test.properties");
    }

    @Override
    public void postProcessEnvironment(ConfigurableEnvironment environment, SpringApplication application) {
        environment.getPropertySources().addFirst(new MapPropertySource("TestProperties", testProperties));
        for (String location : testPropertiesFile) {
            try {
                environment.getPropertySources().addFirst(new ResourcePropertySource(location));
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

    public static void addProperty(String key, Object value) {
        testProperties.put(key, value);
    }

    public static void addProperty(String location) {
        testPropertiesFile.add(location);
    }
}

如果你真的想要/不得不使用System.setProperties(…)，那么使用Junit扩展并注释测试类:

...
@ExtendWith(MyBeforeAllCallback.class)
public SomeTestClass ...

并使用回调函数的构造函数设置系统属性。

public MyBeforeAllCallback implements BeforeAllCallback {
    public MyBeforeAllCallback() {
        // wicket 9 workaround for java 17 / cglib issue.
        System.setProperty("wicket.ioc.useByteBuddy", "true");
        // ... whatever you want ...
        System.setProperty("whatever", "you need it badly");
    }
    void beforeAll(ExtensionContext context) {
        // ... empty
    }
}

TLDR:

我所做的就是创建标准的src/main/resources/application。属性和src/test/resources/application-default。属性，我覆盖一些设置为我所有的测试。

power-developers:

为了更容易地改变/使用不同的spring配置文件，我现在有一个应用程序默认。它声明了我想要使用的概要文件。 这个文件是不提交的，所以每个开发人员可以选择他/她正在工作的配置文件和需求(例如功能)的激活方式。

spring:
  profiles:
    include:
      - local
      - devlocal
      - wip
#      - kafka@docker

---
spring.profiles: wip
# ... overriding properties 

整个故事

我遇到了同样的问题，到目前为止也没有使用配置文件。现在必须这样做，并记得声明概要文件似乎很麻烦——这很容易忘记。

诀窍在于，利用特定于概要文件的应用程序-<profile>。属性将覆盖常规配置文件中的设置。见https://docs.spring.io/spring-boot/docs/current/reference/html/boot-features-external-config.html # boot-features-external-config-profile-specific-properties。