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From aledsage <>
Subject [GitHub] brooklyn-server pull request #767: Adds BrooklynViewerLauncher (for tests)
Date Wed, 19 Jul 2017 10:02:56 GMT
GitHub user aledsage opened a pull request:

    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 BrooklynViewerLauncher

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

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 <>
Date:   2017-07-19T09:58:30Z

    Adds BrooklynViewerLauncher (for tests)


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