Stephen O'Donnell created HDDS-9877:
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Summary: ReplicationManager: Create a data drive test framework to
cover similar test scenarios
Key: HDDS-9877
URL: https://issues.apache.org/jira/browse/HDDS-9877
Project: Apache Ozone
Issue Type: Bug
Components: test
Reporter: Stephen O'Donnell
Assignee: Stephen O'Donnell
This change added a new test class called TestReplicationManagerScenarios. It
work via test definitions in JSON, such as:
{code}
{ "description": "Perfect Replication Ratis", "containerState": "CLOSED",
"replicationConfig": "RATIS:THREE", "sequenceId": 12,
"replicas": [
{ "state": "CLOSED", "index": 0, "datanode": "d1", "sequenceId": 0,
"isEmpty": false, "origin": "o1"},
{ "state": "CLOSED", "index": 0, "datanode": "d2", "sequenceId": 0,
"isEmpty": false, "origin": "o2"},
{ "state": "CLOSED", "index": 0, "datanode": "d3", "sequenceId": 0,
"isEmpty": false, "origin": "o3"}
],
"expectation": {},
"commands": []
}
{code}
Which defines the container state and the replica states, along with expected
commands and outputs from processing the container.
For each scenario, it runs through the Replication Manager check phase, re-runs
the check-phase in read only mode and also runs the processing phase, where RM
will send commands to fix the problems.
There are also some tests added to prove the framework is working, but further
Jira's would allow us to expand the test scenarios and remove many similar unit
tests that are harder to understand.
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