JUnit 4.8.1 / Maven trivial test not working

Question

Hi

Although I tried out all suggestions I found, I still can't get the most trivial JUnit test running. The error message basically repeats saying "junit.framework.AssertionFailedError: No tests found in project002.trivial.TestClassTest".

You may inspect a snapshot of my IDE or download the zipped project.

Here is my pom.xml:

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"&gt;
    <modelVersion>4.0.0</modelVersion>
    <groupId>project002</groupId>
    <artifactId>project002</artifactId>
    <version>1.0</version>
    <packaging>jar</packaging>
    <name>project002</name>
    <url>http://maven.apache.org&lt;/url&gt;
    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    </properties>
    <repositories>
        <repository>
            <id>EclipseLink Repo</id>
            <url>http://www.eclipse.org/downloads/download.php?r=1&amp;amp;nf=1&amp;amp;file=/rt/eclipselink/maven.repo&lt;/url&gt;
        </repository>
    </repositories>
    <dependencies>
         <dependency>
              <groupId>junit</groupId>
              <artifactId>junit</artifactId>
              <version>4.7</version>
              <scope>test</scope>
          </dependency>  
    </dependencies>
    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>2.3.1</version>
                <configuration>
                    <source>1.6</source>
                    <target>1.6</target>
                    <encoding>UTF-8</encoding>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-surefire-plugin</artifactId>
                <version>2.5</version>
                 <configuration>
                    <junitArtifactName>org.junit:com.springsource.org.junit</junitArtifactName>
                    <includes>
                        <include>**/*Test.java</include>
                    </includes>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>

Here is the error message:

-------------------------------------------------------------------------------
Test set: project002.trivial.TestClassTest
-------------------------------------------------------------------------------
Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 0.078 sec <<< FAILURE!
warning(junit.framework.TestSuite$1)  Time elapsed: 0 sec  <<< FAILURE!
junit.framework.AssertionFailedError: No tests found in project002.trivial.TestClassTest
    at junit.framework.Assert.fail(Assert.java:47)
    at junit.framework.TestSuite$1.runTest(TestSuite.java:97)
    at junit.framework.TestCase.runBare(TestCase.java:134)
    at junit.framework.TestResult$1.protect(TestResult.java:110)
    at junit.framework.TestResult.runProtected(TestResult.java:128)
    at junit.framework.TestResult.run(TestResult.java:113)
    at junit.framework.TestCase.run(TestCase.java:124)
    at junit.framework.TestSuite.runTest(TestSuite.java:232)
    at junit.framework.TestSuite.run(TestSuite.java:227)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.apache.maven.surefire.junit.JUnitTestSet.execute(JUnitTestSet.java:213)
    at org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.executeTestSet(AbstractDirectoryTestSuite.java:115)
    at org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.execute(AbstractDirectoryTestSuite.java:102)
    at org.apache.maven.surefire.Surefire.run(Surefire.java:180)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.apache.maven.surefire.booter.SurefireBooter.runSuitesInProcess(SurefireBooter.java:350)
    at org.apache.maven.surefire.booter.SurefireBooter.main(SurefireBooter.java:1021)

Answer 1

There's something wrong with your testcase. When you extend Testcase, it will always be executed using Junit 3.x, thus you need to prefix your test method with "test".

If you want to use junit 4.x, remove "extends Testcase", then annotate your test method with @Test.

This one runs using Junit 3.x, and it will not work because your test method is not prefixed with "test":-

public class TestClassTest extends TestCase {

    @Test
    public void isThisReallyTrue() {
        assertTrue(true);
    }
}

This one will run in Junit 4.x:-

public class TestClassTest {

    @Test
    public void isThisReallyTrue() {
        assertTrue(true);
    }
}