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Appium FAQs

Last Updated: Sep 03, 2015 09:13AM CEST


What is Appium?
Appium is a mobile UI testing framework supporting cross-platform testing of native, hybrid and mobile-web apps for iOS and Android. Appium enables you to execute your tests on mobile device irrespective of the device OS. This is because the framework is basically a wrapper that translates Selenium Webdriver commands into UIAutomation (iOS) or UIAutomator (Android) commands depending on the device type.

What languages can I use to write the TestScripts?
You can write TestScripts in any language that Selenium WebDriver dependency is available for. This includes C#, Closure, Java, JavaScript with Node.js, Obj-C, Perl, Python, Ruby.

Do I need to care about the Appium Server depending on the language I wrote my tests with?
No, the server is exactly the same irrespective of the scripting language. This is because the TestScript implements the Selenium WebDriver and communicates with Appium Server via JSON Wire Protocol (a standardised JSON over HTTP protocol).

Where would the Appium server be running?
A great advantage of using Appium is the HTTP communication (see the question above) between TestScript and Appium Server, allowing the server to run on a separate machine than the TestScript. This allows us to take care of the Appium server side and maintain the devices in the cloud, while you can run your TestScripts locally from your machine. 

How is running Appium different than other frameworks available at Testdroid Cloud?
Appium TestScripts can either be run as "Live" or uploaded for the cloud to run. This means that you do not need to upload the TestScript along with your app to the Cloud. Instead, you can instigate the script locally from your own machine, and on receiving a request, the Cloud reserves the requested device and creates an Appium session for it. 

Can I use the same TestScript for both my iOS and Android apps?
Although the TestScripts will be written in the same language, and will be almost similar, you would still need to prepare separate TestScripts for iOS and Android, or at least two flavours of the TestScript. This is because of the differences in UI elements on the two platforms. Sometimes the difference is as subtle as having to use different array indices. 

iOS

buttons = driver.find_elements_by_tag_name('button')
buttons[0].click()


Android:
buttons = driver.find_elements_by_tag_name('button')
buttons[1].click()


Can I use a script to test my app on multiple devices simultaneously?
Yes, this is practically possible. Since the TestScript communicates live with the Appium server (which is instantiated for a particular device), it cannot communicate with multiple servers simultaneously, or control multiple devices at the same time. You can however fire multiple instances of the TestScript, each targeting a separate device. More information on this at running parallel Appium tests in Testdroid Cloud.

Can I also use the same method to test my app on multiple iOS devices?
Yes. On your localhost this is not possible because Appium uses native Instruments, which is allowed for only one of the device connected to a Mac at a given time. At Testdroid Cloud however, you can run your tests on multiple iOS devices at the same time.

Where do I get configuration info about Appium servers running at Testdroid Cloud?

You can check basic configurations at http://appium.testdroid.com/info. (βeta)

What version of Appium Server is running at Testdroid Cloud?
There should always be the latest 'tested' Appium version running in the cloud. This means that although there may be a newer release available, it might not yet be available in Cloud. Currently available version is returned by the above web address ('
appiumBroker.version').

What is the difference between testdroid_project and testdroid_testrun?
Your test runs are categorised into 'Project' and 'Test-Run' at the Cloud. A Project typically has multiple Test-Runs in it. The Project name is unique. Running multiple TestScripts using same Project name puts the Test-Runs under same Project.

Can I upload a new .ipa/.apk before each test run?
You can upload a new .ipa/.apk before each Test-Run, but using the same Project for both iOS and Android Test-Runs is not allowed (also see the question above) nor recommended.

What is the maximum app size I can upload?
500 MB

Why is the Appium test waiting for device and finally timeouts?
Testdroid Appium has maximum waiting time for device set to 10 minutes. If there is an ongoing test from another Cloud user timeout is very likely to happen. Try again later, or with another device. NOTE! Testdroid Free devices are very busy and it might be hard to find run time for Appium tests on those devices.

Why is the Appium test failing with timeout?
Testdroid Cloud has a test run time limit set to 10 minutes. This limit is applicable for Free Plan users. If you need to run longer tests, please upgrade your subscription.


Why I'm getting 403 error when trying to upload an application (apk, ipa)?
Check your proxy settings. You should be able to reach
http://appium.testdroid.com/info.

Why I'm getting an error "Project <...> cannot be used for type APPIUM_ANDROID"?
Appium projects must be either "Appium Android" or "Appium iOS" by project type in Testdroid. Simpliest way is to let Testdroid to create the project for you. This can be done easily by using a new project name in your Appium script.

Where I can find an example to how to test my "native application" or "hybrid application" or "a mobile website on Android Chrome browses"?
Examples written in java, python and ruby are available on Bitbar's repo (https://github.com/bitbar/testdroid-samples).

 

More Resources
[Presentation] Appium with Real Devices in Testdroid Cloud
[Webinar] How to Leverage Appium in Your Mobile App Testing

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