abgeschottete realität - testen im emulator, mobile testing days 2014, berlin
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Danny Preussler | Groupon
Abgeschottete Realität
about me and testing
• 2014, Java/Eclipse Magazin
• "Android-apps testen mit Espresso“• Android Engineer, Groupon
about me and testing
• 2013, DroidCon Berlin
• “Unit testing mit Robolectric“• Lead Engineer Android, eBay Kleinanzeigen
about me and testing
• 2008, Blackberry Developer Conference,
Santa Clara
• “Unit testing with Blackberry“
• Team Lead Mobile, Cortado
about me and testing
• 2004?, OOP München
• Besuch eines Vortrags
von James Whitaker,
der Testgedanken bis heute prägt
• Developer, Thinprint
about me and testing
• 2001, Diplomarbeit
• UI Testing a protocol implementation
between Alcatel and Lucent
• Student developer, Alcatel
Our mobile app is available in 43 countries
Groupon’s vibrant mobile marketplace connects
consumers with their local economy
Sources: Internal Data; iTunes ranking for US stores available here -https://itunes.apple.com/WebObjects/MZStore.woa/wa/viewFeature?id=500873243&mt=8&v0=www-itunes25Bcountdown-appstore
Nearly 70 million people worldwide have downloaded our mobile app to date; 9 million in Q4 2013.
One of the 25 most downloaded free apps of all time
Nearly 50% of our global transactions completed on a mobile device in December 2013
Abgeschottet?
• App isolieren
• Äußere Faktoren reduzieren
• Reproduzierbarkeit erhöhen
Broken Blackberry by Matthew Hurst, CC BY 2.0, http://www.flickr.com/photos/skewgee/3160670483
Android emulator
Android emulator
• Teil des SDK
• Stellt alle Nexus Geräte zur Verfügung
• Custom Versionen erstellbar
Android emulator
• Erstellung über UI oder Commandlineandroid create avd -n my_android1.5
• Dateien (*.avd, *.ini) liegen in $USERHOME/.android/avd
• Perfekt für Jenkins und Skriptingandroid move avd / android delete avd -n
<name>
Android emulator
• Performance schlecht
• Verbesserung durch:
– Enable „use host GPU“
– Use Intel Builds
– Install Intel Hardware Accelerationhttps://software.intel.com/en-us/android/articles/installation-instructions-for-intel-
hardware-accelerated-execution-manager-mac-os-x
Genymotion
Genymotion
• Unschlagbare Performance
• Vordefinierte VMs aus Cloud laden
• Kostenfrei nur für privat
My
gra
ndpas
hom
eby
florianric, C
C B
Y 2
.0, https://w
ww
.flic
kr.
com
/photo
s/f
lorianric/7
263382550
adb
• Android debug bridge
• Funktioniert mit jedem Android Gerät!
adb
• Geht auch wenn Gerät gelockt:
adb
adb devices
adb install <apk-file>
adb uninstall <your-package>
adb
adb reboot
adb start-server / kill-server
adb logcat
adb
adb push <path> <device-path>
adb pull <path-on-device>
adb
adb shell screencap -p |
perl -pe 's/\x0D\x0A/\x0A/g' >
~/Desktop/screenshot.png
adb shell
Adb provides a Unix shell that you can
use to run a variety of commands on an
emulator or connected device.
(http://developer.android.com/tools/help/adb.html#shellcommands)
adb
• Send „monkey“ events:
adb shell monkey
-p your.package.name
-v 500
Squirre
lm
onkey
with
ice
cre
am
by
Ta
mbako
the
Jaguar, C
C B
Y 2
.0, h
ttps://w
ww
.flickr.c
om
/photo
s/ta
mbako/1
1481700755
SharedPreferences
• Meistgenutzer Persistence-Mechanismus
SharedPreferences preferences =
PreferenceManager.getDefaultSharedPreferences(context);
...preferences.getString(key, default);
SharedPreferences
• Zugriff:
adb shell cat /data/data/com.your-
package/shared_prefs/com.your-
package_preferences.xml
adb shell ls /data/data/com.your-
package/shared_prefs
SharedPreferences
• Beispiel:
<?xml version='1.0' encoding='utf-8' standalone='yes‘?>
<map>
<string name=“key">value</string>
</map>
SharedPreferences
• Reproduzierbarkeit der Test
durch back/restore
• Beispiel:adb pull
/data/data/eu.esa.spaceappcamp.enviq/shared_prefs/eu.esa
.spaceappcamp.enviq_preferences.xml
Databases
• Komplexere Daten werden meist in
SQLite Datenbanken gespeichert
• Backup-Restore-Pattern:
/data/data/com.your-
package/databases/
Databases
• Example:adb pull
/data/data/com.groupon.redemption/databases/red
emption.db
• Open with SQLite Manager für Firefoxhttps://addons.mozilla.org/en-
US/firefox/addon/sqlite-manager/
Accounts
• Account-Daten sollten
über Android Account
Manager hinterlegt
werden
Accounts
Liegen unter: /data/system/users/0/accounts.db
(evtl unterschiedlich je Android Version)
telnet
telnet localhost 5554
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
Android Console: type 'help'
for a list of commands
OK
Amiga 1000 connected to an Apple IIgs-hosted BBS via telnet by Blake
Patterson, CC BY 2.0, https://www.flickr.com/photos/blakespot/12421642963
telnet
• Works with android emulators
• Does not work with phones
• Does not work with Genymotion
Amiga 1000 connected to an Apple IIgs-hosted BBS via telnet by Blake
Patterson, CC BY 2.0, https://www.flickr.com/photos/blakespot/12421642963
telnetevent simulate hardware events
geo Geo-location commands
gsm GSM related commands
cdma CDMA related commands
kill kill the emulator instance
network manage network settings
power power related commands
redir manage port redirections
sms SMS related commands
avd control virtual device execution
window manage emulator window
qemu QEMU-specific commands
sensor manage emulator sensors
telnetevent simulate hardware events
geo Geo-location commands
gsm GSM related commands
cdma CDMA related commands
kill kill the emulator instance
network manage network settings
power power related commands
redir manage port redirections
sms SMS related commands
avd control virtual device execution
window manage emulator window
qemu QEMU-specific commands
sensor manage emulator sensors
telnetevent simulate hardware events
geo Geo-location commands
gsm GSM related commands
cdma CDMA related commands
kill kill the emulator instance
network manage network settings
power power related commands
redir manage port redirections
sms SMS related commands
avd control virtual device execution
window manage emulator window
qemu QEMU-specific commands
sensor manage emulator sensors
telnet
• Einkommende Anrufe simulieren:
gsm call 1234567
gsm cancel 1234567
• Wozu?
Wie reagiert die Anwendung?
Kann sie sich korrekt wiederherstellen?
telnetevent simulate hardware events
geo Geo-location commands
gsm GSM related commands
cdma CDMA related commands
kill kill the emulator instance
network manage network settings
power power related commands
redir manage port redirections
sms SMS related commands
avd control virtual device execution
window manage emulator window
qemu QEMU-specific commands
sensor manage emulator sensors
telnet> help network
allows you to manage the settings related to the network
data connection of the
emulated device.
available sub-commands:
network status dump network status
network speed change network speed
network delay change network latency
network capture dump network packets to file
telnet
• Geschwindigkeit drosseln:network speed 14.4 80
telnetevent simulate hardware events
geo Geo-location commands
gsm GSM related commands
cdma CDMA related commands
kill kill the emulator instance
network manage network settings
power power related commands
redir manage port redirections
sms SMS related commands
avd control virtual device execution
window manage emulator window
qemu QEMU-specific commands
sensor manage emulator sensors
telnet
geo fix <longitude> <latitude>
GPS
• Google Play services nicht auf
Emulatoren verfügbar
• Google? ;-)
Genymotion Shellandroid informations related to Android system
included in Genymotion distribution
battery actions and informations related to battery
sensor
devices generic actions related to virtual devices
(listing, selection, ...)
gps actions and informations related to Global
Positioning System sensor
pause make a pause (useful for automatic tests)
rotation actions related to the rotation of virtual
device
version display version number of running Genyshell
Web Services
• Mock daten?
– Einfach bei Entwicklernahen
Testframeworks:
Android Instrumentation, Robotium,
Espresso
– Ideal beim Einsatz von Dependency-
Injection wie Dagger, RoboGuice
Web Services
• Mock daten?
– „Schwer-unmöglich“ bei Black-Box oder
Remote-Framworks wie UIAutomator,
RoboRemote, Selenium...
Web Services
• Skripte zum Manipulieren des Backends
-> Komplexität, Externe Abhängigkeit!
• Besser: Proxy:
– Charles
www.charlesproxy.com
– Odo:
https://github.com/groupon
Odo-ed
Response Override
• Return fixed response content
• Return fixed response code
• Add delays
Response Override cont.
• Add/remove request headers
• Change content
• Change response code
Response Override cont.
• Do sequences of all those
• Supports Plugins for custom responses
i.e. makeDealSoldOut
Request Override
• Add/remove request headers
• Custom request – add/change parameters
• Change the target
i.e. send production request to staging/test
Developer-Options
How do we test?
• RoboRemote
• github.com/groupon/robo-remote
• UIAutomator + Robotium
• works from remote
• Espresso
• Odo
Follow us
https://engineering.groupon.com/
Michael Burton, Roboguice
Carlos Sessa, 50 Android hacks
David van der Bokke, RoboRemote
David Willson, Odo
….
Get the demo app:
https://play.google.com/store/apps/details?id=eu.esa.spaceappcamp.enviq
Thank you
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