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ECMAScript/JavaScript System Testing
Using Selenium-IDE


Prof. David Bernstein
James Madison University

Computer Science Department
bernstdh@jmu.edu

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Getting Started
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  • Distribution:
    • Selenium-IDE is distributed as a Firefox plug-in
  • Setting Up:
    • Downloading the plug-in will start the installation process (which you will need to "Allow")
    • You may need to re-start Firefox to complete the installation
Test Cases and Tests/Test Suites
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  • Test Cases:
    • Each test case is saved as an HTML file
  • Test Suites:
    • Each test suite is saved as an HTML file that refers to individual test cases (hence you must save the test cases before you can save the test suite)
The Process
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  1. Start Firefox
  2. Start Selenium-IDE by clicking on images/selenium-ide-logo.gif in the toolbar
  3. Create (or record) one or more test cases
  4. Save each test case
  5. Save the test suite
  6. Play the test suite
Test Cases
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  • Contents:
    • A sequence of commands (each of which has 0, 1, or 2 parameters)
  • Encapsulation:
    • Each test case is encapsulated as an HTML table
    • Each command is encapsulated as a row (with two columns) in the table
  • Editing:
    • A test case can be edited using the IDE (which is convenient because you can get a complete list of Commands using the dropdown and help using the Reference tab)
    • A test case can also be edited using any text editor since it is encapsulated in HTML (which is convenient because you can easily create variants)
Locators (i.e., Locating Elements in a Document
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  • By ID:
    • id=elementID
  • By Name:
    • name=elementName
  • Using the DOM:
    • dom=JavaScriptCode
  • Using XPath:
    • A language that is used for locating nodes in an XML document
Important Commands
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  • Open a document:
    • open URL
  • Enter text in an input:
    • type locator value
  • Click on an element:
    • click locator
  • Fire an event:
    • fireEvent locator eventName
  • Make an assertion about text:
    • assertText locator pattern
  • Make an assertion about an element's attribute:
    • assertAttribute locator@attribute pattern
An Example Test Case
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Based on the BMI Calculator Click here for a demonstration.

ecmascriptexamples/systemtesting/normal.html
 
An Example Test Suite
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Based on the BMI Calculator Click here for a demonstration.

ecmascriptexamples/systemtesting/bmi-calculator-testsuite.html
 
About Recording
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  • A Note:
    • Selenium-IDE starts in record mode (which you may want to stop by clicking on the record button)
  • Advantages of Recording:
    • Recording can help you get started and save some typing
  • Shortcomings of Recording:
    • Many important events are not fired (and, hence, must be added afterward)
    • Assertions must be added afterward
There's Always More to Learn
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