HADOOP-19425. [JDK17] Upgrade JUnit from 4 to 5 in hadoop-azure Part1. #7369
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I am trying to modify the code of hadoop-azure, this is part 1. I am syncing the improvements so that it can be better reviewed: 1. TestNameIn JUnit 5, the Here is an example:
2. TimeoutIn JUnit 5, Here is an example:
3. Assume.assumeNotNull → Assumptions.assumeTrueIn JUnit 5, there is no Here is an example: 4. ExpectedException → assertThrowsIn JUnit 5, the 5. @ignore → @disabledIn JUnit 5, 6. Method Order: @FixMethodOrder → @TestMethodOrderIn JUnit 5, |
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@cnauroth @steveloughran @anujmodi2021 Can you help review this PR? Thank you very much! |
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cnauroth
reviewed
Feb 9, 2025
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Hi @slfan1989 . This looks good to me overall. I entered one question.
Are you able to run these tests against Azure to make sure they're all working? Unfortunately, I can't help with that kind of testing. I can test GCS and S3A (using GCS's S3-compatible XML API), but not the other cloud providers. If you need help with this testing, then you might need to work with someone else.
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| @@ -434,10 +431,6 @@ class MatchesPattern extends TypeSafeMatcher<String> { | |||
| } | |||
| } | |||
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| expectedEx.expectMessage(new MatchesPattern( | |||
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Did we lose an expectation here?
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In JUnit 5, org.junit.rules.ExpectedException has been deprecated, and it is recommended to use assertThrows to validate exception throwing, as shown below:
import static org.junit.jupiter.api.Assertions.assertThrows;
@Test
public void shouldThrowException() {
assertThrows(IllegalArgumentException.class, () -> {
someMethodThatThrows();
});
}
The change is primarily in syntax, where assertThrows captures exceptions via lambda expressions, replacing the ExpectedException rule from JUnit 4. However, it does not have any fundamental impact on the logic of unit tests.
I can further improve this unit test to also validate the exception message using a regular expression.
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I have seen the conversions to assertThrows. Those all look good.
Perhaps what I find confusing is that the setupExpectations() method now seems to be a no-op. It seems to define a custom matcher class, but then never use it. Should setupExpectations() be removed, or am I missing something?
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Thank you for your suggestion! I also believe that setupExpectations should be removed. I will continue to improve the code.
@cnauroth Thank you very much for your explanation! I think this change needs to be verified by @steveloughran and @anujmodi2021 together, and I hope it can pass the integration tests. If there are any issues, I will make improvements as needed. |
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Thanks a lot @slfan1989 for the patch. |
@anujmodi2021 Thank you very much for your help! I sincerely hope that our work will be completed successfully. |
cnauroth
approved these changes
Feb 10, 2025
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+1, pending successful run of the integration tests. Thank you, @slfan1989 ! @anujmodi2021 , thank you for the help with testing.
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Thanks @slfan1989 and pardon me for the delay in review.
Changes look good to me. No functionality change as such.
Have added some minor doubts and suggestions.
Waiting for test results to come in before +1.
Also, are you planning to do same work for ABFS Driver as well?? As part 2 of this Jira??
| @@ -157,7 +157,7 @@ public void testTransientErrorOnDelete() throws Exception { | |||
| // Need to do this test against a live storage account | |||
| AzureBlobStorageTestAccount testAccount = | |||
| AzureBlobStorageTestAccount.create(); | |||
| assumeNotNull(testAccount); | |||
| assumeTrue(testAccount != null); | |||
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Nit: would it be better to define a accessible method assumeNotNull(variable) that internally calls assumeTrue(variable!= null);
This will reduce the overall diffs I feel.
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Thank you for your suggestions! I will try to improve this part of the code.
| @@ -40,7 +41,7 @@ public class ITestNativeAzureFileSystemConcurrencyLive | |||
| extends AbstractWasbTestBase { | |||
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| private static final int THREAD_COUNT = 102; | |||
| private static final int TEST_EXECUTION_TIMEOUT = 30000; | |||
| private static final int TEST_EXECUTION_TIMEOUT = 30; | |||
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Why we are reducing this value?? Any specific reason or observation around this?
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I think this is more that from JUnit 4 to 5, the default time unit for timeout settings has transitioned from milliseconds to seconds. Hence, the constant changes from 30000 (milliseconds) to 30 (seconds). The value is not being reduced.
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@anujmodi2021 The understanding of @cnauroth is correct. In JUnit 5, the timeout is in seconds, while in JUnit 4, the timeout is in milliseconds. So, I changed this value to be in seconds.
We plan to upgrade all unit tests for hadoop-azure to JUnit 5. I will continue with Part 2, but to make the review process smoother, we will keep the code changes smaller for each commit. Additionally, any parts that depend on hadoop-common will be addressed in a separate PR(#7375). However, we will need your assistance throughout the entire upgrade process. |
Thank you for leading efforts on this @slfan1989 |
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I got a few test failures on this patch. Since We majorly work on ABFS and don't have much context on Wasb we are not sure currently if they are due to some code change or mis configuration on our part. I will continue to look into them today, please pitch in if you might know why they are failing. For the |
...ools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azure/ITestWasbUriAndConfiguration.java
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It sounds like you have a solid lead on For the rest, are you able to share more details on the assertions that are failing? There is a very small chance that I could dig back into my brain's WASB archives from 10 years ago and provide a hint. No promises, but I'll try! |
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@anujmodi2021 I have submitted a commit with adjustments to the code we discussed earlier. If you have any new questions, feel free to leave a comment. If we can provide more specific error messages, it will be easier to pinpoint the issue. Thank you again! cc: @cnauroth |
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Yes, let me share the traces here.
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@cnauroth For ITestAzureFileSystemInstrumentation.testMetricsOnFileCreateRead. This is also failing for me on trunk as well. |
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added 9 commits
February 14, 2025 04:08
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cnauroth
approved these changes
Feb 13, 2025
cnauroth
approved these changes
Feb 13, 2025
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| @@ -65,21 +65,21 @@ public void tearDown() throws Exception { | |||
| * Test that by default we don't store the blob-level MD5. | |||
| * 10000 / | |||
| @Test | |||
| public void testBlobMd5StoreOffByDefault() throws Exception { | |||
| public void testBlobMd5StoreOffByDefault(TestInfo testInfo) throws Exception { | |||
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we shoudn't need to do this. instead just capture once in setup and store
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Thank you for your suggestion! I will improve it.
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@steveloughran Could you please review this PR again? Thank you very much!
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@cnauroth @anujmodi2021 @steveloughran I've merged this PR into the trunk branch to continue the JUnit 5 upgrade. Thank you very much for the review. If there are any new issues, feel free to let me know, and I will keep making improvements. |
Thanks a lot @slfan1989 |
adideshpande
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Feb 27, 2025
apache#7369) Upgrade some unit tests of the hadoop-azure module to JUnit 5. Co-authored-by: Anuj Modi <anujmodi2011@gmail.com> Co-authored-by: Chris Nauroth <cnauroth@apache.org> Co-authored-by: Steve Loughran <stevel@apache.org> Reviewed-by: Anuj Modi <anujmodi2011@gmail.com> Reviewed-by: Chris Nauroth <cnauroth@apache.org> Reviewed-by: Steve Loughran <stevel@apache.org> Signed-off-by: Shilun Fan <slfan1989@apache.org>
YanivKunda
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Mar 23, 2025
apache#7369) Upgrade some unit tests of the hadoop-azure module to JUnit 5. Co-authored-by: Anuj Modi <anujmodi2011@gmail.com> Co-authored-by: Chris Nauroth <cnauroth@apache.org> Co-authored-by: Steve Loughran <stevel@apache.org> Reviewed-by: Anuj Modi <anujmodi2011@gmail.com> Reviewed-by: Chris Nauroth <cnauroth@apache.org> Reviewed-by: Steve Loughran <stevel@apache.org> Signed-off-by: Shilun Fan <slfan1989@apache.org>
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Description of PR
JIRA: HADOOP-19425. Upgrade JUnit from 4 to 5 in hadoop-azure Part1.
How was this patch tested?
Junit Test.
For code changes:
LICENSE,LICENSE-binary,NOTICE-binaryfiles?