A test which checks which jar files some spring classes arrive from on runtime. This was needed since "mvn dependency:tree" showed incorrect results

SpringVersionTest

package com.wixpress.springVersionBug;


import org.junit.*;
import org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory;
import org.springframework.core.GenericTypeResolver;
import java.security.CodeSource;
import static org.hamcrest.Matchers.endsWith;

/**
 * @author ittaiz
 * @since 3/24/13
 */

public class SpringVersionTest {


    @Test
    public void verifySpringBeans311InClasspath(){
        verifyCorrectSpringVersionInClasspathFor(AbstractAutowireCapableBeanFactory.class,"spring-beans-3.1.1.RELEASE.jar");
    }
    @Test
    public void verifySpringCore311InClasspath(){
        verifyCorrectSpringVersionInClasspathFor(GenericTypeResolver.class,"spring-core-3.1.1.RELEASE.jar");
    }
    public void verifyCorrectSpringVersionInClasspathFor(Class springClass,String expectedJarFileName){
        CodeSource springClassCodeSource = springClass.getProtectionDomain().getCodeSource();
        Assert.assertNotNull("expecting "+expectedJarFileName+" to be loaded by non-system class loader",springClassCodeSource);
        Assert.assertThat(springClassCodeSource.getLocation().toString(),endsWith(expectedJarFileName));
    }
}