GitHub user aledsage opened a pull request:

    https://github.com/apache/brooklyn-server/pull/767

    Adds BrooklynViewerLauncher (for tests)

    As per the javadoc:
    ```
    /**
     * A convenience for started the Brooklyn REST api and web-app in a test, 
so that one can visually
     * inspect the app that the test creates. This is intended as a read-only 
view (but it has the real
     * management context so one can perform actions through this UI).
     * 
     * It expects to be configured with an existing {@link 
org.apache.brooklyn.api.mgmt.ManagementContext}.
     * 
     * Various other configuration options (e.g. {@link #application(String)) 
will be ignored.
     * 
     * An example of where this is very useful is when testing a blueprint 
where an effector hangs - 
     * one can visually inspect the app, drilling into the activities view to 
see what it is doing
     * and why it is blocked.
    ```
    
    Note that `AbstractBlueprintTest` used to do this with `BrooklynLauncher`, 
but that is broken - that launcher also tries to set the `managementPlaneId` on 
the management context, but it's already set so it throws an exception.
    
    My motivation for fixing + adding this is mostly for use in downstream 
projects. I want to run unit/integration tests that deploy + test some 
complicated blueprints. It's very useful to have this visualisation in such 
tests (particularly if it fails, and one places a breakpoint to see what 
activities have executed by that point).

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/aledsage/brooklyn-server 
BrooklynViewerLauncher

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/brooklyn-server/pull/767.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #767
    
----
commit 352e9cf2d01cbe859938d1f79a91bee786ca323a
Author: Aled Sage <[email protected]>
Date:   2017-07-19T09:58:30Z

    Adds BrooklynViewerLauncher (for tests)

----


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