Hands on iOS developments with Jenkins

Jenkins User Conference Paris, 17 April 2012 #jenkinsconf
Hands-On iOS Developments with
Jenkins
Arnaud Héritier
eXo Platform
http://www.exoplatform.com
Mathieu Hausherr
Octo Technology
http://www.octo.com
http://goo.gl/XWGDy 1

Polls
•  English or french ?
•  Who is already doing iOS developments ?
•  Who is already using JenkinsCI ?
•  Who is already using JenkinsCI to manage
iOS developments ?

Arnaud Héritier
"   Jenkins
–  Committer since 2010
–  Maven integration
–  Xcode, Appaloosa plugins …
"   Apache Maven
–  Committer since 2004 and
member of the Project
Management Committee
–  Coauthor of « Apache
Maven »
•  published by Pearson (in
French)
" eXo platform
–  Software Factory
Manager
–  In charge of tools
and methods
"   Contact me
–  http://aheritier.net
–  Twitter : @aheritier
–  Skype : aheritier
3http://goo.gl/XWGDy

Mathieu Hausherr
"   iOS
–  Developer since 2008
"   Other mobile platforms
–  Android, Bada, Blackberry,
Windows Phone 7...
"   Octo Technology
–  Mobile Expert
–  Installation of software
factories for customers
"   Contact me
–  Mail: mha@octo.com
–  Twitter : @mhausherr

Slide legend
"   If you have a mac with XCode,
follow us.
"   In this slide you have something to
do.
"   In this slide we explain a
workaround. Don’t be afraid by this
explanation. You only need it
tomorrow at home for your own
Software factory.
"   Find these slides here

Hands-On iOS Developments with Jenkins
"   Concepts
–  iOS specificities
–  Continuous integration
–  Continuous deployment
"   How to
–  Step by step Jenkins server setup
–  Tips & Tricks to deals with Apple’s bug
"   Hands on
–  Prepare the Sample App
–  Setup your Jenkins jobs
–  Deploy your app on your device

CONCEPTS
Goals of Jenkins-CI on iOS

Reminder: Apple application
provisioning strategy
Validity
Limite of
devices
Apple
validation
Availability
Ad Hoc 1 year 100 NO Everybody
In House 1 year ∞ NO
Only for
companies
App Store For life ∞ YES Everybody

Certificate management pitfalls
•  Certificate with the same name doesn’t
work
•  Create specific keychains per project
–  Never use default keychain
•  “security set-default” command isn’t thread
safe
–  Allow only one executor per server

Why automatic distribution is useful for?
•  Speedup the feedback loop with early
adopters and QA Teams
•  Improve time to market
–  Spend time to develop instead of distribute
•  Resign apps for certificates expiration
–  Ad Hoc and In House certificates expire after one
year
–  Rebuild all your app safely

Continuous integration concepts
Developer
Developer
Source code
+ tests
Unit
tests
SenTesting
Source code
+ tests1
1
2
3
Software
Factory
Building
application
Jenkins
Code
versionning
Git
Static
analysis
Clang

Continuous deployment concepts
Publish
Building
application
Jenkins
Private
store
Appaloosa
Download
Documentation
generation
Apple doc
1
2
4
Code
versionning
Git
Push
5
6
User
devices
Software
Factory
Archive4
Archive
Public
store
App Store
Submit
5
6 Download

Appaloosa concept

Getting your device
UDID
We need your device UDID to
be able to push apps to your
device
1.  Download “UDID sender” on
the App Store
2.  Send UDID via E-Mail to
mha@octo.com

HOW TO
Step by step guide for Jenkins-CI on iOS

Plugins installation
Ø  Home
Ø  Manage Jenkins
Ø  Manage Plugins
Ø  Install these plugins
•  Appaloosa
•  Clang Scan-Build
•  Git
•  Xcode

Plugins configuration
•  By default Xcode plugin
settings should be good for a
standard installation
•  Clang Static Analyzer
binaries have to be
downloaded from
http://clang-
analyzer.llvm.org/ and
extracted on the server or
agent where they’ll be used
•  In “System settings” (Clang
Scan-Build Plugin part) you
need to add at least one
installation.

What if I soon have a Jenkins on a non
Mac server?
•  Why use a non Mac
Jenkins?
–  Regroup all your jobs
–  Maintain only one
instance of Jenkins
–  Create dependencies
between mobile and not
mobile projects
•  How use a non Mac
Jenkins?
–  Create Mac OS node
–  Only need a SSH
connection
Master Node
Scheduling
build
Jenkins
Code
versionning
Git
MacOS Node
Building
application
XCode

Node creation
•  To create an agent
dedicated for xcode builds
you need to create a node
with :
•  A label to select jobs for
which you’ll use it
•  A SSH connection with a
password less private key
•  The path for Clang checker
binaries

Affect job to a node
•  Create a “MacOSX” label
•  Force job to run on
“MacOSX”-labeled nodes

Xcode bug for iOS unit
testing
Source: http://
www.raingrove.com/
2012/03/28/running-ocunit-and-
specta-tests-from-command-
line.html
•  Edit your RunPlatformUnitTests
sudo vim `xcode-select -print-path`/
Platforms/iPhoneSimulator.platform/
Developer/Tools/RunPlatformUnitTests
Replace
Warning ${LINENO} "Skipping tests; the
iPhoneSimulator platform does not currently
support application-hosted tests (TEST_HOST
set)."
By:
export CFFIXED_USER_HOME="$
{BUILT_PRODUCTS_DIR}/UserHome/"
mkdir -p "${CFFIXED_USER_HOME}"
mkdir -p "${CFFIXED_USER_HOME}/Library/
Caches"
mkdir "${CFFIXED_USER_HOME}/Library/
Preferences"
mkdir "${CFFIXED_USER_HOME}/Documents"
export OTHER_TEST_FLAGS="$
{OTHER_TEST_FLAGS} -
RegisterForSystemEvents"
RunTestsForApplication "${TEST_HOST}" "$
{TEST_BUNDLE_PATH}"

Configure your project
for Unit Tests
•  Check run action for your
Test target
•  Share your Scheme

Add Xcode unit testing
build phase
•  Commit your scheme on GIT
•  Use Scheme instead of target
for testing. Use target only for
building.
•  Set SDK to iphonesimulator
•  Set Configuration to Debug
•  Add TEST_AFTER_BUILD=YES in
Custom xcodebuild
arguments

Write a test
-  (void)test_parseRoomsFromDictionary_!
returnObjectsArrayForCorrectDictionnary!
{!
// Given!
NSDictionary *dictionnary =
[NSDictionary dictionaryWithObject:
[NSArray array] forKey:KEY_ROOMS];!
!
// When!
NSArray* rooms = [JUCEventsService
parseRoomsFromDictionary:dictionnary];!
!
// Then!
STAssertTrue([rooms isKindOfClass:
[NSArray class]],nil);!
}
•  Use SenTestKit Framework
•  Add Mock With OCMock

Add clang static
analysis build phase
•  Configure your target

Appaloosa jenkins’
integration
•  Check IPA generation
•  Add Appaloosa step to your
project
•  Receive Push Notification
Token: igjrz4w701ynrkzd2zwh2u450ilg00dg

Publish to the App Store
•  Apple doesn’t provide API
•  Need manual actions
–  On a Mac
–  Without proxy

Generate Apple Doc
•  Install Apple Doc
https://github.com/tomaz/
appledoc
•  Command line
appledoc conf.plist
<outfile>
•  Add an “aggregate” target
to the project
Perform automatic doc
generation locally

HANDS ON … LET’S GO
Jenkins set-up, from GitHub to your device

Fork on github the
sample project
http://goo.gl/alKgW
And then clone your
fork
git clone git://
github.com/XXXX/
JenkinsSample.git

Setup a continuous
integration job
Setup Git

Setup a continuous
integration job
Add a Clang Scan-Build Phase

Setup a continuous
integration job
Add an Xcode build step to
execute tests
•  Use a schema (JUC Paris)
•  SDK = iphonesimulator
•  Config = Debug
•  Args = TEST_AFTER_BUILD=YES
•  Clean test reports

Setup a continuous
integration job
Activate Clang and unit tests
reports

Fix the test
In
JUC ParisTests/JUC_ParisTests.m
Comment the failling test
Commit and push on github
git add .
git commit
git push
Relaunch your build

Change your Bundle
Id
In
Project Properties > JUC Paris
Target > Summary
Change
Bundle identifier to
com.jenkins.juc-
paris.app.yourname
Commit and push on github
git add .
git commit
git push

Add a deployment
Job
Same github settings
Create an Xcode build step
•  Target = JUC Paris
•  Config = Release
•  Setup versions
•  Build IPA
•  Embedded profile

Appaloosa installation
on your device
http://goo.gl/hQ2Ue

Appaloosa installation
on your device
Account information
•  Login:
mha+juc@octo.com
•  Password:
jenkins

Add a deployment
Job
Setup Appaloosa with this token :
igjrz4w701ynrkzd2zwh2u450ilg00dg

Enjoy

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Hands on iOS developments with Jenkins

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