Steve Loughran created HADOOP-9361:
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Summary: Write a set of tests to more strictly define the expected
behavior of filesystems
Key: HADOOP-9361
URL: https://issues.apache.org/jira/browse/HADOOP-9361
Project: Hadoop Common
Issue Type: Improvement
Components: fs, test
Affects Versions: 3.0.0
Reporter: Steve Loughran
{{FileSystem}} and {{FileContract}} aren't tested rigorously enough -while HDFS
gets tested downstream, other filesystems, such as blobstore bindings, don't.
The only tests that are common are those of {{FileSystemContractTestBase}},
which HADOOP-9258 shows is incomplete.
I propose
# writing more tests which clarify expected behavior
# testing operations in the interface being in their own JUnit4 test classes,
instead of one big test suite.
# Having each FS declare via a properties file what behaviors they offer, such
as atomic-rename, atomic-delete, umask, immediate-consistency -test methods can
downgrade to skipped test cases if a feature is missing.
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