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Posted to dev@kafka.apache.org by "Jeff Holoman (JIRA)" <ji...@apache.org> on 2014/12/25 17:28:13 UTC
[jira] [Commented] (KAFKA-1782) Junit3 Misusage
[ https://issues.apache.org/jira/browse/KAFKA-1782?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14258803#comment-14258803 ]
Jeff Holoman commented on KAFKA-1782:
-------------------------------------
Given the timing, is it best to move the fix version to 0.8.3?
> Junit3 Misusage
> ---------------
>
> Key: KAFKA-1782
> URL: https://issues.apache.org/jira/browse/KAFKA-1782
> Project: Kafka
> Issue Type: Bug
> Reporter: Guozhang Wang
> Assignee: Jeff Holoman
> Labels: newbie
> Fix For: 0.8.2
>
>
> This is found while I was working on KAFKA-1580: in many of our cases where we explicitly extend from junit3suite (e.g. ProducerFailureHandlingTest), we are actually misusing a bunch of features that only exist in Junit4, such as (expected=classOf). For example, the following code
> {code}
> import org.scalatest.junit.JUnit3Suite
> import org.junit.Test
> import java.io.IOException
> class MiscTest extends JUnit3Suite {
> @Test (expected = classOf[IOException])
> def testSendOffset() {
> }
> }
> {code}
> will actually pass even though IOException was not thrown since this annotation is not supported in Junit3. Whereas
> {code}
> import org.junit._
> import java.io.IOException
> class MiscTest extends JUnit3Suite {
> @Test (expected = classOf[IOException])
> def testSendOffset() {
> }
> }
> {code}
> or
> {code}
> import org.scalatest.junit.JUnitSuite
> import org.junit._
> import java.io.IOException
> class MiscTest extends JUnit3Suite {
> @Test (expected = classOf[IOException])
> def testSendOffset() {
> }
> }
> {code}
> or
> {code}
> import org.junit._
> import java.io.IOException
> class MiscTest {
> @Test (expected = classOf[IOException])
> def testSendOffset() {
> }
> }
> {code}
> will fail.
> I would propose to not rely on Junit annotations other than @Test itself but use scala unit test annotations instead, for example:
> {code}
> import org.junit._
> import java.io.IOException
> class MiscTest {
> @Test
> def testSendOffset() {
> intercept[IOException] {
> //nothing
> }
> }
> }
> {code}
> will fail with a clearer stacktrace.
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