Pax Exam 2

Toni Menzel
Pax Exam 2

1

Agenda


Some Old Stuff

Pax Exam 2.0 goals

New Features

Apache ACE

Exam Compared

Toni Menzel, toni@okidokiteam.com, Twitter: tonit

History of Pax Exam

Pax Drone Spring 2008
Pax Exam 0.x Autumn 2008
Pax Exam 1.0 Summer 2009
Pax Exam 2.0 2010


Recap

What is Pax Exam
Short recap of what we have in 1.x


Mission

„Make it ridiculously easy to
run some code against an OSGi setup“


Pax Exam 1.x

„Pax Runner
in a JUnit4 capsule
doing
In-Container test runs“


Pax Exam 1.x


Pax Exam 1.x

Thanks to Pax Runner we are good at
bootstrapping OSGi Frameworks


Pax Exam Anatomy

„Pax Runner in a JUnit4 capsule
doing
In-Container test runs“


Pax Exam likes Maven

Toni Menzel, toni@okidokiteam.com, Twitter: tonit 10

Support for..

Apache Felix


Support for..


Support for..

Eclipse Equinox


Pax Exam’s Option API



Leveraging Java5 static imports for ﬂuent
API



API

Built on cascading
org.ops4j.pax.exam.Option types



API

Built on cascading
org.ops4j.pax.exam.Option types


(future note: maybe scala is a good
successor for implementing this)


Pax Exam at version 1.x



Rich API on top of Pax Runner




Driven by JUnit4




Driven by JUnit4

In-Container Testing




Driven by JUnit4


Isolated container sessions (consistency
over speed)




Driven by JUnit4


Isolated container sessions (consistency
over speed)

Integrates very well into different build
environments: IDEs, Maven, ANT, etc..


Pax Exam 2.0 Theme

Pax Exam 2
is a Platform for OSGi Testing


Pax Exam 2.0 Goal (2)



More power to the developer




Embrace OSGi capabilities




Embrace OSGi capabilities

Help you to deliver


Design
Dependency
Peaberry IPOJO DS
Manager

Mockito EasyMock JMock EasyMock

Development Stack
JUnit4 JUnit3 Main TestNG

Native Pax Runner
Remote Target ACE Target
Container Container

SPI

Runtime


New in 2.0

Some Highlights


New: Out-of Container


New: Out-of Container (2)



Very core of Pax Exam (SPI Layer)




Uses this internally for the In-Container
mode




mode

Allows to fully control the container
lifecycle




mode

Allows to fully control the container
lifecycle

Usually you will use this to extend Pax
Exam’s User Interfaces


New: Probe Builder


New: Probe Builder

Probe contains your test code


New: Probe Builder


Usually built under the hood automatically


New: Probe Builder



Sometimes you want to hand-roll them to
support your case


New: Probe Builder



support your case

Extender Pattern


New: Probe Builder



support your case

Extender Pattern

Service:
org.ops4j.pax.exam.raw.extender.ProbeInvoker


New: Restart policy


New: Restart policy

Isolation vs. speed


New: Restart policy

Isolation vs. speed

Re-Use Policies available:


New: Restart policy

Isolation vs. speed


NEVER: Pax Exam 1.x behaviour


New: Restart policy

Isolation vs. speed



TESTCASE


New: Restart policy

Isolation vs. speed



TESTCASE

ALWAYS


New: Native Container



Works with OSGi Core 4.2 spec fw




Spec 4.2 Launch API and Discovery




Pro




Pro

no extra VM: fast




Pro

no extra VM: fast
Cons




Pro

no extra VM: fast
Cons

Not all options available


New: Remote Target


New: Remote Target

Target is a subset of a container


New: Remote Target


Lets you connect with a running instance


New: Remote Target



Uses RMI under the hood


New: Remote Target



Good for


New: Remote Target



Good for

on device testing


New: Remote Target



Good for

on device testing

interactive development


New: Remote Target



Good for

on device testing

interactive development

Mixed Architecture


New: ACE Target (1)


Apache ACE in a nutshell
!"#$%!
0"&"$%0%&!.
"$%&!

!"#$%!
/2,%&!
*#(+,-,(&,&$. 0"&"$%0%&!.
&%!'(#)
-%#+%# "$%&!

!"#$%!
0"&"$%0%&!.
"$%&!
/(0*(&%&!.
#%*(-,!(#1


!"#$%!
0"&"$%0%&!.
"$%&!

!"#$%!
/2,%&!
*#(+,-,(&,&$. 0"&"$%0%&!.
&%!'(#)
-%#+%# "$%&!

!"#$%!
0"&"$%0%&!.
"$%&!

!"#$%&'(! +%",-'(!
/(0*(&%&!.
#%*(-,!(#1

!"#$%&'() +%",-'()

!"#$%&'(* +%",-'(*



DeploymentPackages & DeploymentAdmin
on steroids



on steroids

atomic deployment



on steroids

atomic deployment

automatic rollback



on steroids

atomic deployment

automatic rollback

strong versioning support



on steroids

atomic deployment

automatic rollback

strong versioning support

repository concepts: checkout/commit


New: ACE Target (2)


New: ACE Target (2)

Pax Exam acts as an ACE Client


New: ACE Target (2)


Similar to Remote Target, but speaking ACE


New: ACE Target (2)


Good for


New: ACE Target (2)


Good for

cloud like testing


New: ACE Target (2)


Good for

cloud like testing
target
provisioning management
Pax Exam network network
server agent

target
management
agent


Compared
Pax Drone Pax Exam 1.x Pax Exam 2
Fluent Option API n.a. yes yes
Test Containers 1 1 4
Test Targets 0 0 2
In-Container Testing yes yes yes
Out-Of Container Testing n.a. n.a. yes
Container Workflow n.a. n.a. yes
Custom Test Probes n.a. n.a. yes
JUnit3 Support yes n.a. yes
JUnit4 Support n.a. yes yes
TestNG Support n.a. n.a. yes
Good probably better much better


Where?

http://github.com/okidokiteam/exxam

http://paxexam.ops4j.org


Pax Exam 2

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