- html - 出于某种原因,IE8 对我的 Sass 文件中继承的 html5 CSS 不友好?
- JMeter 在响应断言中使用 span 标签的问题
- html - 在 :hover and :active? 上具有不同效果的 CSS 动画
- html - 相对于居中的 html 内容固定的 CSS 重复背景?
我正在尝试为这个 util 类编写单元测试。(我在编写单元测试方面不是很有经验)我想测试以下内容:
因此会初始化一个非 null AmazonSNS。
@辛格尔顿@Slf4j公共(public)类 SNSClientUtil {
@Inject
private MadonnaConfig madonnaConfig;
public AmazonSNS getSNSClient(String snsTopicArn) {
return AmazonSNSClientBuilder.standard()
.withCredentials(new OdinAWSCredentialsProvider(madonnaConfig.getSnsOdinMaterialSet()))
.withRegion(Regions.fromName(getRegionNameFromARN(snsTopicArn)))
.build();
}
private String getRegionNameFromARN(String arn) {
String[] tokens = arn.split(":");
return tokens[3];
}
}
我正在使用 Mockito。这是我的测试类:
@RunWith(MockitoJUnitRunner.class)
public class SNSClientUtilTest {
@Mock
SNSClientUtil snsClientUtil;
private String topicARN = "arn:aws:sns:ap-south-1:123456789:Notifications-Devo";
private String regionName = "ap-south-1";
@Before
public void setup() {
}
@Test(expected = NullPointerException.class)
public void testNullTopicARN() {
snsClientUtil.getSNSClient(null);
}
@Test
public void testSNSClientCreation() {
AmazonSNSClientBuilder builder = Mockito.mock(AmazonSNSClientBuilder.class, Mockito.RETURNS_DEEP_STUBS);
Mockito.when(builder.build()).thenReturn(Mockito.any(AmazonSNS.class));
AmazonSNS sns = snsClientUtil.getSNSClient(topicARN);
Assert.assertNotNull(sns);
}
}
空指针测试失败。因此,我尝试通过模拟 AmazonSNSClientBuilder 来测试非空 SNS 客户端的创建。但这给出了以下异常(exception):
org.mockito.exceptions.base.MockitoException:
Cannot mock/spy class com.amazonaws.services.sns.AmazonSNSClientBuilder
Mockito cannot mock/spy following:
- final classes
- anonymous classes
- primitive types
at com.amazon.madonnaservice.test.utils.SNSClientUtilTest.testRegionNameFromARN(SNSClientUtilTest.java:40)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.mockito.internal.runners.JUnit45AndHigherRunnerImpl.run(Unknown Source)
at org.mockito.runners.MockitoJUnitRunner.run(Unknown Source)
at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
最佳答案
Mockito 给你错误
org.mockito.exceptions.base.MockitoException: Cannot mock/spy class com.amazonaws.services.sns.AmazonSNSClientBuilder Mockito cannot mock/spy following: - final classes - anonymous classes - primitive types
并且公共(public)最终类AmazonSNSClientBuilder
是最终的 https://docs.aws.amazon.com/AWSJavaSDK/latest/javadoc/com/amazonaws/services/sns/AmazonSNSClientBuilder.html
所以你的mockito设置是无效。也许您可以使用来自亚马逊的另一个可以模拟的 api,否则您需要引入一个包装客户端的层,您可以在单元测试中模拟该客户端。
关于java - 测试 AWS SNS 实用程序类,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/56111593/
我是一名优秀的程序员,十分优秀!