Selenium (2)

Case Selenium
www.Seleniumonlinetraining.info

1. Acceptance testing
1. What you should test?
2.Robot Framework
3. Selenium
1. Syntax
2.Xpath
3. Command types
4.Common commands
5. Terms
4.Features
5. Demo
6.Tips’n’tricks
7. Selenium RS

• vs. unit testing
• Acceptance testing = UI testing
• Suunto requires us to write tests
o Good
• Suunto requires
o use of Selenium
o use of Robot Framework

 Test expected content
 Test links
 Test functions
 Test dynamic elements
 …
 http://seleniumhq.org/docs/06_test_design_
considerations.html#what-to-test

• Environment to run Selenium tests
• Automated
• I know nothing of Robot Framework, but it must be cool

• Selenium is a suite of automated tool for testing web
application front end – UI test framework
• Selenium emulates browser user
• Selenium commands are like "write text "Panu" to input
which id is "name""
• Selenium's language supports simple scripting (operators,
defining variables)
• Selenium supports multiple methods to locate elements
• Element ID
• Element name attribute
• Xpath
• DOM
• CSS

• XML query language
• Features
o Selecting nodes
 by path
 by predicates
 with wildcards
o Axes
o Operators
o Examples:
• //div[@id='cartable']/table/tbody/tr/td[1]
• //input[@value='Jatka']
• RTFM: http://www.w3schools.com/XPath/xpath_syntax.asp

Syntax
command target value
eg.
verifyTextPresent id=phone 0700123123

• Actions are commands that generally manipulate the state of
the application. They do things like “click this link” and “select
that option”. If an Action fails, or has an error, the execution of
the current test is stopped.
• Accessors examine the state of the application and store the
results in variables, e.g. “storeTitle”. They are also used to
automatically generate Assertions.
• Assertions are like Accessors, but they verify that the state of
the application conforms to what is expected. Examples include
“make sure the page title is X” and “verify that this checkbox is
checked”.

Test are divided to
• Test suites
• Test cases
Test suites are built from test cases.
Both test cases AND test suites should be parameterised.

open
opens a page using a URL.
click/clickAndWait
performs a click operation, and optionally waits for a new page to load.
verifyTitle/assertTitle
verifies an expected page title.
verifyTextPresent
verifies expected text is somewhere on the page.
verifyElementPresent
verifies an expected UI element, as defined by its HTML tag, is present on the page.
verifyText
verifies expected text and it’s corresponding HTML tag are present on the page.
verifyTable
verifies a table’s expected contents.
waitForPageToLoad
pauses execution until an expected new page loads. Called automatically when clickAndWait is used.
waitForElementPresent
pauses execution until an expected UI element, as defined by its HTML tag, is present on the page.

 Firefox extension
 Very easy to get to know Selenium and to
play with it
 Also supports recording and running test
cases / suites
 http://seleniumhq.org/download/
 Features
 Recording tests, running tests, test cases, test
suites, breakpoints, pausing execution, export as
code

 B – set breakpoint
 X – execute command
 S – set starting point
 Good for debugging!

 Test Samuli’s application
 Transitions
 Adding cars, parameters
▪ Test constraints
 List cars
▪ Added cars are actually listened

• DON’t trust Selenium IDE or it’s default Xpath!
• You might have to change HTML code a bit to make it
easier to test automatically, eg. Add id/name attributes
• That’s completely OK!
• “AndWait” commands wait until whole page has been
loaded
• Very useful, but they don’t work with Ajax
• Difference between assert and verify
• If asset fails => test stops
• If verify fails => test continues
• echo command is good for debugging

 Selenium IDE has a poor support for programming, it does NOT
support
 condition statements
 iteration
 logging and reporting of test results
 error handling, particularly unexpected errors
 database testing
 test case grouping
 re-execution of failed tests
 test case dependency
 screenshot capture of test failures
 Selenium RS supports adding programming logic to tests
 .NET supported => though
 I have no experience

 http://seleniumhq.org/docs/index.html
 http://code.google.com/p/robotframework/

Selenium (2)

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