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Date: Wed, 17 Sep 2008 16:33:30 -0400
From: Ryan de Laplante <ryan@ijws.com>
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To: Maven Users List <users@maven.apache.org>
Subject: Re: Unable to use Junit 4 annotations
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It turns out I have to tell Spring that it is using JUnit 4 by 
annotating my class:

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations={"file:src/test/resources/META-INF/applicationContext.xml"})
public class SettingsDAOTest extends AbstractJpaTests {

Before the AbstractJpaTests superclass set everything up and injected 
what I needed into my test class.  Now all of that is gone, so I had to 
add the @ContextConfiguration annotation and @Autorwired to inject the 
DAO.   Now it doesn't recognize the entity I am trying to merge with JPA. 

I also found out that  @RunWith(SpringJUnit4ClassRunner.class)  only 
works with Junit 4.4 and newer.  But, surefire maven2 plugin causes 
trouble when using Junit 4.5 so you have to downgrade to 4.4:

http://jira.springframework.org/browse/SPR-5145


Too much trouble.  I'm going to use JUnit 3 style configs for this class 
so that AbstractJpaTest actually works.


Ryan


Ryan de Laplante wrote:
> Actually, it must be using JUnit 4 because I have a test suite 
> completely configured with annotations.  Also, when one of my unit 
> tests throws an untrapped exception I see this in the stack tract:
>
> java.lang.NullPointerException
>        at
>
> ... notice Spring Framework is doing something.  My test class extends 
> AbstractJpaTestCase
>
>        at java.lang.reflect.Method.invoke(Method.java:597)
>        at junit.framework.TestCase.runTest(TestCase.java:164)
>        at junit.framework.TestCase.runBare(TestCase.java:130)
>        at 
> org.springframework.test.ConditionalTestCase.runBare(ConditionalTestCase.java:76) 
>
>        at 
> org.springframework.test.annotation.AbstractAnnotationAwareTransactionalTests.access$001(AbstractAnnotationAwareTransactionalTests.java:71) 
>
>
> ... Notice surefire Junit4TestSet
>
>        at 
> org.apache.maven.surefire.junit4.JUnit4TestSet.execute(JUnit4TestSet.java:62) 
>
>        at 
> org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.executeTestSet(AbstractDirectoryTestSuite.java:140) 
>
>        at
>
>
> So this must be a spring problem.
>
>
> Thanks,
> Ryan
>
>
> Ryan de Laplante wrote:
>> Hi,
>>
>> My junit tests work if I prefix test method names with the word 
>> test.  If I don't do that and rely on the @Test annotation then the 
>> test methods are not executed.
>>
>> I have this in my POM:
>>
>> <dependency>
>>    <groupId>junit</groupId>
>>    <artifactId>junit</artifactId>
>>    <version>4.5</version>
>>    <scope>test</scope>
>> </dependency>
>>
>> and in my build section I have:
>>
>> <plugins>
>>            <plugin>
>>                <artifactId>maven-compiler-plugin</artifactId>
>>                <version>2.0.2</version>
>>                <configuration>
>>                    <source>1.5</source>
>>                    <target>1.5</target>
>>                </configuration>
>>            </plugin>
>>            <plugin>
>>                <artifactId>maven-surefire-plugin</artifactId>
>>                <version>2.4.3</version>
>>                <configuration>
>>                    <includes>
>>                        <!-- Only execute test suites -->
>>                        <include>**/*TestSuite.java</include>
>>                    </includes>
>>                </configuration>
>>            </plugin>
>>        </plugins>
>>
>> So I am using the latest version of surefire.  Any ideas why it's not 
>> using Junit 4?
>>
>> Thanks,
>> Ryan


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