Thanks Stefan, nice hack ;-) I didn't know that you can get the Jar
file via the class resource URL, but it makes sense.
FYI, I made a useful method out of this (I removed the special -
client.jar replacement):
/**
* Returns the path to the JAR file that a certain class is located
in. This only works
* if the classloader loaded this class from a JAR file.
*/
public static final String getJarFileForClass(Class clazz) {
// eg. /org/apache/derby/drda/NetworkServerControl.class
String classResource = "/" + clazz.getCanonicalName().replace(".",
"/") + ".class";
// eg. jar:file:/Users/alex/.m2/repository/org/apache/derby/derbynet/
10.2.1.6/derbynet-10.2.1.6.jar!/org/apache/derby/drda/
NetworkServerControl.class
String fullResourceURL = clazz.getResource(classResource).toString();
// eg. /Users/alex/.m2/repository/org/apache/derby/derbynet/10.2.1.6/
derbynet-10.2.1.6.jar
return fullResourceURL.replaceFirst("jar:file:([^!]+).*", "$1");
}
Regards,
Alex
Am 26.02.2008 um 12:11 schrieb VUB Stefan Seidel:
I am looking for a solution to that too. My workaround was until now
to pick specific classes whose JAR files I needed and do
_class.getResource("/" + _class.getCanonicalName().replace(".", "/")
+ ".class").toString().replaceAll("-client.jar!",
".jar!").replaceFirst("jar:file:([^!]+).*", "$1")
and append this to java.class.path. Kindofa hack though ...
Stefan
Alexander Klimetschek wrote:
I forgot to mention that the unit test runs perfect in Eclipse,
because the project created by "mvn eclipse:eclipse" includes all
test dependencies as well and the Eclipse jUnit runner puts all of
them in the class path for the test. Would be cool to have the
Eclipse project and mvn test behave the same without two different
configurations.
Alex
Am 25.02.2008 um 20:58 schrieb Alexander Klimetschek:
Hi all,
I have a test case which starts another JVM (a derby database
server in network mode). The classpath for the new JVM needs jar
files which are defined as test dependencies (derby is available
in the form of maven artifacts, and I want to test it against the
same derby version against which the actual code is written). The
problem is that due to the surefire boot mechanism, it's not
sufficient to read the classpath of the JVM in which test is
running via System.getProperty("java.class.path").
How can I get access to the classpath of surefire?
Or is there another way to retrieve the path of the jar files
defined in the pom from my junit test class?
Regards,
Alex
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best regards,
Stefan Seidel
software developer
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