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Testing Ext JS 5 Apps with Siesta
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Mats Bryntse
October 01, 2014
Programming
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150
Testing Ext JS 5 Apps with Siesta
Slides from my talk at the Ext JS 1 day conference in Milan
Mats Bryntse
October 01, 2014
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Transcript
Copyright Sencha Inc. 2014 Mats Bryntse, founder of Bryntum Testing
Ext JS 5 Apps
Webinar | Content Unit tests UI tests Continuous Integration •
Writing a unit test • Using PhantomJS • Hello world sample • Event recorder intro • Testing an Ext JS cmp • Recording a UI test • TeamCity • Code Coverage • Statistics • Cloud Testing
Intro | DESCRIPTION Less Theory, More Real World
Intro | WHY Q: Who here is testing their JS
codebase?
Intro | WHY Why Testing?
Intro | WHY 1. Productivity & confidence in code 2.
Frameworks contain bugs 3. So does your code (and mine) 4. Refactoring & code handover 5. Fix bugs once
Intro | TERMINOLOGY Terminology: what does testing mean for a
JS developer?
Intro | TERMINOLOGY ! ! Unit tests, UI tests, Application
tests..?
Intro | TERMINOLOGY Unit tests ! ! App Tests UI
tests
Unit Tests Red, Green, Refactor
Unit tests | Intro •Should be your #1 priority •Cover
your most important JS classes •Run often, before commit, daily, nightly. •Use TDD approach + BDD style for readability
Unit tests | TDD basics 1. Make the unit test
fail 2. Implement 3. Make the test pass 4. Refactor, Repeat
Unit tests | Writing a unit test Unit testing demo
Testing your UI Functional testing
UI tests | Intro Manually writing UI tests takes time
UI tests | Intro UI tests are more fragile &
run slower than unit tests
UI tests | Intro Understanding CSS and ComponentQuery is key
UI tests | Intro Siesta Event Recorder
UI tests | Event recorder •Records user actions: clicks, types,
drag drop •Exports actions to a Siesta test case •Can be used by a non-programmer •Big timesaver
UI tests | Event recorder Let’s try the recorder
Continuous Integration TeamCity, Code Coverage & Statistics
Continuous Integration | Intro •Bryntum uses TeamCity, Siesta integrates with
others (Jenkins…) •Test suites run every 2 hours in Chrome •Full test suites executed nightly •Reports, statistics, charts and code coverage
Continuous Integration | TeamCity Let’s checkout TeamCity
UI tests | Cloud testing So…running in multiple browsers?
Continuous Integration | Cloud testing •Need to create Virtual Machines
for each version of IE •Total: Chrome, Safari, FF, IE 7-11 => 7 VMs •Managing such a farm can be very time consuming
Continuous Integration | Cloud testing •Siesta integrates with both BrowserStack
and Sauce Labs •Run tests easily in any OS and Browser combination •No need to setup your own VM farm •Read more on the Bryntum blog…
Webinar | Links •bryntum.com/products/siesta •bryntum.com/docs/siesta •teamcity.bryntum.com/guest •browserstack.com/ •saucelabs.com/
Webinar | Questions Questions? Twitter: @Bryntum