Problems running "pure" JUnit4 tests (get "no runnable method" exception)

[Rick Mann]

I read a thread from back in March where people were discussing the "no runnable method" exception generated when trying to use the latest Ant/JUnit4 against tests written against JUnit3. In my case, I'm running a "pure" JUnit4 test, with a single method annotated with @Test, and I'm getting this error.

I should point out that my @Test method does, in fact, execute:


    [junit]     at java.lang.reflect.Method.invoke(Method.java:585)





    It also works with JUnit 4.0, including "pure"
    JUnit 4 tests using only annotations and no
    JUnit4TestAdapter.




    <junit printsummary="on"
        fork="false"
        haltonfailure="false"
        failureproperty="tests.failed"
        showoutput="true"
        filtertrace="false">

        <jvmarg value="-ea"/>
        <jvmarg value="-esa"/>

        <classpath refid="test.classpath"/>

        <formatter type="brief" usefile="false"/>

        <batchtest fork="yes" todir="${test.reports}">
            <fileset dir="${testsrc}">
                <include name="**/*Test*.java"/>
            </fileset>
        </batchtest>
    </junit>
</target>


And my test looks like this:

//
//  Third-party Imports
//

import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.*;



public
class
TestThing
{
    @Test
    public
    void
    getSessionTest()
    {
        System.err.println("getSessionTest()");
    }
}





--
Rick

[junit] at com.mycompany.myapp.bus.TestThing.getSessionTest (TestThingjava:47) [junit] at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method) [junit] at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:39) [junit] at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:25) [junit] at org.junit.internal.runners.TestMethodRunner.executeMethodBody (TestMethodRunner.java:99) [junit] at org.junit.internal.runners.TestClassRunner.run (TestClassRunner.java:52) [junit] at junit.framework.JUnit4TestAdapter.run (JUnit4TestAdapter.java:32) [junit] at org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.run (JUnitTestRunner.java:366) I've built Ant from the 2006.08.25 snapshot, and added some logging code to the JUnitTestRunner taskdef so see if I could figure out what's going on. As near as I can tell, it's setting up a JUnit4TestAdapter and using that to determine that it's running against JUnit4. The problems is, according to the Ant 1.7 docs for JUnit, So that seems to me that it should not use JUnit4TestAdapter. My build target looks like this: <target name="test" depends="build, compile-test" description="Run unit tests"> Perhaps this is a bug in JUnit--I have yet to try running the test outside of Ant. But if anyone can shed any light, I'd appreciate it. Thanks!

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