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[英]How to write JUnit test of a class that uses anonymous inner class such as PreparedStatementSetter?
[英]Is there any way to test an anonymous inner class using junit?
我有以下课程想测试。 事实证明,必须测试匿名内部类非常困难。 任何帮助,将不胜感激。
@Configuration
public class CustomErrorConfiguration {
@Bean
public ErrorAttributes errorAttributes() {
return new DefaultErrorAttributes() {
@Override
public Map<String, Object> getErrorAttributes(RequestAttributes requestAttributes,
boolean includeStackTrace) {
Map<String, Object> errorAttributes = super.getErrorAttributes(requestAttributes, includeStackTrace);
errorAttributes.remove("timestamp");
errorAttributes.remove("status");
errorAttributes.remove("exception");
errorAttributes.remove("path");
if (errorAttributes.containsKey("error") && errorAttributes.containsKey("message")) {
Map<String, Object> attr = new HashMap<>();
attr.put("message", errorAttributes.get("message"));
return attr;
}
return errorAttributes;
}
};
}
}
这应该是测试内部类所需的最低要求:
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringRunner;
@RunWith(SpringRunner.class)
@ContextConfiguration
public class BeanTest {
@Autowired
ErrorAttributes errorAttributes;
@Test
public void testMyBean() {
RequestAttributes requestAttributes = new RequestAttributes();
System.out.println(errorAttributes.getErrorAttributes(requestAttributes, true));
}
@Configuration
@ComponentScan(basePackages = "package.where.your.configuration.is")
public static class SpringTestConfig {
}
}
该测试执行以下操作:
我需要以下Maven依赖项才能完成此操作(需要Junit> = 4.12)。 全部在Maven Central中可用:
<dependencies>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>5.0.0.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>5.0.0.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>5.0.0.RELEASE</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
</dependencies>
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