Steve Loughran created HADOOP-14125:
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Summary: s3guard tool tests aren't isolated; can't run in parallel
Key: HADOOP-14125
URL: https://issues.apache.org/jira/browse/HADOOP-14125
Project: Hadoop Common
Issue Type: Sub-task
Components: fs/s3, test
Affects Versions: HADOOP-13345
Reporter: Steve Loughran
The {{S3GuardToolTestBase}} don't parallelize and break other tests. This can
surface if you do a full run with -Ds3guard and -Ddynamo.
# many of the test paths they create are being requested with absolute paths,
e.g {{"/test-diff"}}.
# the base class doesn't set up a per-forked-JUnit-test runner path in the
bucket
# and there's no cleanup at the end of each test case; teardown() is empty.
Ideally, the tests should be made child classes of {{AbstractS3ATestBase}},
with its post-run cleanup, If that can't be done, then the tests must
# use {{S3ATestUtils.createTestPath(super.getTestPath())} to create the base
test path
# clean up that dir in teardown if the FS instance is non-null.
{{ContractTestUtils.cleanup()}} can do this.
If it happens that the tests cannot run in parallel with others, then the build
must be changed to exclude them from the parallel test run phase & include them
in the serialized section.
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