ZOOKEEPER-4232: InvalidSnapshotTest corrupts its own test data #1629
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Without this, the ZooKeeperServer "fixes" the 'snapshot.83f' reference file, which: 1. Makes the test ineffective after the first run; 2. Causes the file to show as modified in version control tools; 3. Can end up committed by accident. This patch creates a temporary copy of the data directory.
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`InvalidSnapshotTest.testSnapshot` starts an instance of `ZooKeeperServer` on the version-controlled `resources/data/invalidsnap` directory, which, as a side-effect, \"fixes\" the following snapshot—which was broken on purpose (see ZOOKEEPER-367): `zookeeper-server/src/test/resources/data/invalidsnap/version-2/snapshot.83f` This status quo creates a number of problems: 1. It makes the test ineffective after the first run; 2. The file shows as modified in version control tools, which can be annoying; 3. The \"fixed\" snapshot can end up being committed by mistake, invalidating the test. (\#3 is not theoretical; that \"fixed\" snapshot frequently shows up in pull requests, and was recently merged into `master`.) Author: Damien Diederen <dd@crosstwine.com> Reviewers: Mohammad Arshad <arshad@apache.org> Closes #1629 from ztzg/ZOOKEEPER-4232-invalid-snapshot-is-invalid-x-3.5 and squashes the following commits: 5286405 [Damien Diederen] ZOOKEEPER-4232: Ensure that ZOOKEEPER-367 test data fails to parse 680c57a [Damien Diederen] ZOOKEEPER-4232: Run InvalidSnapshotTest on a copy of test data
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Merged |
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Thank you, @arshadmohammad! |
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InvalidSnapshotTest.testSnapshotstarts an instance ofZooKeeperServeron the version-controlledresources/data/invalidsnapdirectory, which, as a side-effect, "fixes" the following
snapshot—which was broken on purpose (see ZOOKEEPER-367):
zookeeper-server/src/test/resources/data/invalidsnap/version-2/snapshot.83fThis status quo creates a number of problems:
annoying;
invalidating the test.
(#3 is not theoretical; that "fixed" snapshot frequently shows up in
pull requests, and was recently merged into
master.)