[jira] [Resolved] (AMBARI-13721) Ambari functional tests infrastructure

["Sumit Mohanty (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AMBARI-13721?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sumit Mohanty resolved AMBARI-13721.
------------------------------------
    Resolution: Fixed

> Ambari functional tests infrastructure
> --------------------------------------
>
>                 Key: AMBARI-13721
>                 URL: https://issues.apache.org/jira/browse/AMBARI-13721
>             Project: Ambari
>          Issue Type: Task
>          Components: ambari-server
>    Affects Versions: 2.2.0
>            Reporter: Nahappan Somasundaram
>            Assignee: Nahappan Somasundaram
>             Fix For: 2.3.0
>
>
> Run a test version of the ambari-server with an in-memory DB and ambari-agent that run during the functional testing and cover several basic use cases  like heartbeat monitoring, adding and deleting services, components, hosts, etc.
> * Functional test design: 
> * The functional tests run the same way as unit tests, using JUnit 
> * Enabling/disabling of the functional tests can be done using a Maven configuration. 
> * The building blocks of the functional tests are: 
>         ** A local ambari server that wraps the actual AmbariServer implementation with Guice to instantiate an in-memory database (use the existing InMemoryDefaultTestModule class) 
>         ** Methods to set up a default cluster with a few hosts, with each host running components like Ambari Metrics Service, HDFS, YARN and Zookeeper. These methods use the ambari server's RESTful APIs. 
>         ** Methods that use HttpClient to perform operations using the RESTful APIs to add/remove cluster, hosts, services, service components and service component hosts. 
>         ** A simple functional test to start the local server on a thread, get status from the server and then shutdown. 
> * Additional unit tests can be built on top of the start-status check-stop functional tests, default cluster setup method and helper methods to test specific scenarios. 
>   
> *Future work:
> * Local ambari agent simulator for each host.



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