Transcript Stable and reliable Web Automation

- Narayan Raman
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Reduce testing effort
Automate things that can be automated
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Tests should be
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◦ Repeatable (Reliable)
◦ Maintainable
◦ Fast
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AJAX
Web 2.0
Highly dynamic applications
Lots of frameworks
Newer, powerful browsers
HTML5
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Object Identification
Handling Asynchronicity
Event Simulation
Reporting
Playback time optimization
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Present methods
◦ Id, name
◦ Xpath
◦ Css-selector
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Xpath and Css-selectors are brittle
◦ Too dependent on programmatic structure
◦ Require programmatic knowledge
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Business logic changes less than code
Business drives User Interface
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UI Relations
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◦ _image(“plus.gif”, _near(_div(“My Documents”)))
◦ _textbox(0, _near(_label("Loan Amount")))
◦ _cell(0, _near(“Ram”), _under(“Loan Amount”))
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More stable
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Waits needed for
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Hard coded waits
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Conditional waits
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Tool should handle time outs automatically
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Page loads
Frame/iframe loads
AJAX request completion
Javascript timeout triggers
◦ Wasteful
◦ Complicated
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Easy to create scripts
◦ Good recorders on all browsers
◦ Object Spy
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Easy to debug scripts
◦ Real time debugging to examine state of web page
◦ Good reporting
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Work across browsers and operating systems
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Execute tests in parallel
◦ Some Browsers allow separation of cookies across
instances
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Spread tests across machines
Limit hard coded waits
Use fast accessors
◦ Xpaths are very slow on IE
http://sahi.co.in
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Open source tool
Sahi Pro – Commercial offering
Tester friendly
Light weight and scalable
V Narayan Raman
[email protected]
http://sahi.co.in/