When running JUnit testing , it gave an initializationError: No tests found matching. Like this:
prodapi-main-junit
initializationError(org.junit.runner.manipulation.Filter)
java.lang.Exception: No tests found matching [{ExactMatcher:fDisplayName=testCreateSite], {ExactMatcher:fDisplayName=testCreateSite(com.company.product.api.web.rest.HostControllerTest)], {LeadingIdentifierMatcher:fClassName=com.company.product.api.web.rest.HostControllerTest,fLeadingIdentifier=testCreateSite]] from org.junit.internal.requests.ClassRequest@3c0f93f1
at org.junit.internal.requests.FilterRequest.getRunner(FilterRequest.java:40)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.createFilteredTest(JUnit4TestLoader.java:77)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.createTest(JUnit4TestLoader.java:68)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.loadTests(JUnit4TestLoader.java:43)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:444)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)
While the testing code is as below:
@RunWith(SpringJUnit4ClassRunner.class)
@SpringApplicationConfiguration(classes = ProductApplication.class)
@WebAppConfiguration
public class HostControllerTest{
@Test
public void testCreateSite() throws Exception {
......
}
}
It should be fine to load the class, running well. There're other modules similar with this one, they're fine to run.
I have checked the possible causes:
I don't know whether there're any other possible things can get Junit testing error like this. Maybe I should check the class loader?
After googled some answers. I found there's an issue talked about this case as below:
https://github.com/junit-team/junit4/issues/1277 (FilterRequest may hide the real failure cause(exception) of a test)
Here're the steps I tried:
1. don't select the testing function alone, while select "Run all the tests in the selected project" option on the Test Tab, when select the Junit project name
after click on Run->"Run(Debug) Configuration"
2. You can get the details of the error as follows:
initializationError(com.company.product.api.web.rest.HostControllerTest)
java.lang.Exception: Method testSetDBConfiguration should have no parameters
at org.junit.runners.model.FrameworkMethod.validatePublicVoidNoArg(FrameworkMethod.java:76)
at org.junit.runners.ParentRunner.validatePublicVoidNoArgMethods(ParentRunner.java:155)
3.according to the details given by eclipse above, I removed the argument of that function, the initializedError just disappeared.
So this issue rises due to the new added testing function has unnecessary input argument. The incorrect code :
@Test
public void testSetDBConfiguration(String name) throws Exception {
Changed to
@Test
public void testSetDBConfiguration() throws Exception {
Had the same issue with PowerMock @RunWith(PowerMockRunner.class)
then discovered that my @Test
was the wrong implementation. Was using
import org.junit.jupiter.api.Test
;
I switched to import org.junit.Test;
and that fixed the problem for me.
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