Java junitparameter异常方法不应具有任何参数
通过使用JUnitParameter测试方法,我有一个例外。我的代码类似于JUnitParameter上的许多示例:Java junitparameter异常方法不应具有任何参数,java,exception,junitparams,Java,Exception,Junitparams,通过使用JUnitParameter测试方法,我有一个例外。我的代码类似于JUnitParameter上的许多示例: private Object parametersForTestSetDistanceFormated() { return new Object[][]{ {100, "_1,__ km"}, {100, "1_,__ km"}, {1100, "11,__ km"}, {1
private Object parametersForTestSetDistanceFormated() {
return new Object[][]{
{100, "_1,__ km"},
{100, "1_,__ km"},
{1100, "11,__ km"},
{110, "1_,1_ km"},
{111, "1_,11 km"}};
}
/**
* Test of setDistanceFormated method, of class ClientFormated.
*/
@Test
@Parameters
public void testSetDistanceFormated(final int exptDist, final String distFormated) {
System.out.println("setDistanceFormated");
ClientFormated instance = new ClientFormated();
instance.setDistanceFormated(distFormated);
assertEquals(exptDist, (long) instance.getDistance());
}
然后我得到以下例外情况:
java.lang.RuntimeException: java.lang.Exception: Method testSetDistanceFormated should have no parameters
at junitparams.JUnitParamsRunner.verifyMethodCanBeRunByStandardRunner(JUnitParamsRunner.java:429)
at junitparams.JUnitParamsRunner.runChild(JUnitParamsRunner.java:420)
at junitparams.JUnitParamsRunner.runChild(JUnitParamsRunner.java:386)
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$2.evaluate(ParentRunner.java:268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.apache.maven.surefire.junit4.JUnit4TestSet.execute(JUnit4TestSet.java:53)
at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:123)
at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:104)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:164)
at org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:110)
at org.apache.maven.surefire.booter.SurefireStarter.invokeProvider(SurefireStarter.java:175)
at org.apache.maven.surefire.booter.SurefireStarter.runSuitesInProcessWhenForked(SurefireStarter.java:107)
at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:68)
Caused by: java.lang.Exception: Method testSetDistanceFormated should have no parameters
at org.junit.runners.model.FrameworkMethod.validatePublicVoidNoArg(FrameworkMethod.java:76)
at junitparams.JUnitParamsRunner.verifyMethodCanBeRunByStandardRunner(JUnitParamsRunner.java:427)
... 20 more
我还没有在网上找到相关的
我的全班同学:
import com.entities.Client;
import junitparams.JUnitParamsRunner;
import org.junit.Test;
import static org.junit.Assert.*;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized.Parameters;
@RunWith(JUnitParamsRunner.class)
public class ClientFormatedTest {
private Object parametersForTestSetDistanceFormated() {
return new Object[][]{
{100, "_1,__ km"},
{100, "1_,__ km"},
{1100, "11,__ km"},
{110, "1_,1_ km"},
{111, "1_,11 km"}};
}
/**
* Test of setDistanceFormated method, of class ClientFormated.
*/
@Test
@Parameters
public void testSetDistanceFormated(final int exptDist, final String distFormated) {
System.out.println("setDistanceFormated");
ClientFormated instance = new ClientFormated();
instance.setDistanceFormated(distFormated);
assertEquals(exptDist, (long) instance.getDistance());
}
您对
@Parameters
使用了错误的导入-它应该是JUnitParameters.Parameters
,而不是org.junit.runners.Parameterized.Parameters
导入需要更新,如下所示:
import com.entities.Client;
import junitparams.JUnitParamsRunner;
import junitparams.Parameters;
import static org.junit.Assert.*;
import org.junit.Test;
import org.junit.runner.RunWith;
现在它工作了当您的测试方法(具有@test注释)有任何参数时,可能会出现此错误
@Test
void assertResult(String result) {
Assert.assertTrue(!"403".equals(result) && !"404".equals(result) && !"400".equals(result));
Assert.assertNotNull(result);
}
对于任何其他因为他们看到的相同错误而来这里的人,但不是使用JUitParameter
我在代码中遇到了同样的错误
java.lang.Exception: Method assertResult() should be public
at org.junit.runners.model.FrameworkMethod.validatePublicVoid(FrameworkMethod.java:96)
at org.junit.runners.model.FrameworkMethod.validatePublicVoidNoArg(FrameworkMethod.java:74)
at org.junit.runners.ParentRunner.validatePublicVoidNoArgMethods(ParentRunner.java:155)
at org.junit.runners.BlockJUnit4ClassRunner.validateTestMethods(BlockJUnit4ClassRunner.java:208)
at org.junit.runners.BlockJUnit4ClassRunner.validateInstanceMethods(BlockJUnit4ClassRunner.java:188)
at org.junit.runners.BlockJUnit4ClassRunner.collectInitializationErrors(BlockJUnit4ClassRunner.java:128)
at org.junit.runners.ParentRunner.validate(ParentRunner.java:416)
at org.junit.runners.ParentRunner.<init>(ParentRunner.java:84)
at org.junit.runners.BlockJUnit4ClassRunner.<init>(BlockJUnit4ClassRunner.java:65)
at org.junit.internal.builders.JUnit4Builder.runnerForClass(JUnit4Builder.java:10)
at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:59)
at org.junit.internal.builders.AllDefaultPossibilitiesBuilder.runnerForClass(AllDefaultPossibilitiesBuilder.java:26)
at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:59)
at org.junit.internal.requests.ClassRequest.getRunner(ClassRequest.java:33)
at org.junit.internal.requests.FilterRequest.getRunner(FilterRequest.java:36)
at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:49)
at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:51)
at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:237)
at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
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 com.intellij.rt.execution.application.AppMain.main(AppMain.java:147)
在类上方添加@RunWith(JUnitParamsRunner.class)注释
作为
您还需要导入
import junitparams.JUnitParamsRunner;
我在寻找类似问题的问题时偶然发现了这篇文章。我遇到了这样一个例外: 异常:方法x应该没有参数 原来我对
@Test
注释使用了错误的导入。
我最初使用的是import org.junit.Test代码>
但是我需要使用的是import org.junit.jupiter.api.Test代码>
长话短说,请确保您正在检查您的导入,有时自动生成的导入并不是您真正想要的。如果您使用的是JMockit,那么在下面添加代码片段可以解决问题
import mockit.integration.junit4.JMockit;
@RunWith(JMockit.class)
public class TestClass
是否确实使用了正确的@参数注释?将整个类与导入一起粘贴。您有@RunWith(JUniParamsRunner.class)
注释吗?可以看到,我有找到的@RunWith(JUniParamsRunner.class)。我混合了从JUnit和JUnitParams的导入。通过使用正确的导入,它可以正常工作。是的,我发现当时的效果比你好。谢谢“如果你想要@Test,那么这个方法不应该有任何参数”,这是正确的答案
import mockit.integration.junit4.JMockit;
@RunWith(JMockit.class)
public class TestClass