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Selenium Essentials

Selenium Essentials

By : Sams
5 (1)
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Selenium Essentials

Selenium Essentials

5 (1)
By: Sams
Buy this Book

Overview of this book

If you are a developer who wants to migrate from Selenium RC or any other automation tool to Selenium WebDriver, then this book is for you. Knowledge of automation tools is necessary to follow the examples in this book.
Table of Contents (7 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. The Selenium IDE
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1. The Selenium IDE
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WebDriver playback
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Locator prioritization
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Avoiding Selenium export
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The Selenium IDE clipboard
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Data Driven tests
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Selenium IDE JavaScript functions
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Selenium Builder
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Summary
2
2. Selenium WebDriver Cross-browser Tests
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2. Selenium WebDriver Cross-browser Tests
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Selenium WebDriver compatibility tests
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Selenium cross-browser tests on the cloud
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Selenium headless browser testing
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Switching user agents
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Tests on specific Firefox versions
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Tests from the custom Chrome profile
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Summary
3
3. Selenium WebDriver Functions
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3. Selenium WebDriver Functions
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Basic WebDriver functions
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Locating WebElements
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WebElement functions
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Navigation
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Cookies
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Window functions
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Select functions
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Handling alerts and pop-ups
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Mouse and keyboard actions
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Summary
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4. Selenium WebDriver Best Practices
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4. Selenium WebDriver Best Practices
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Handling Ajax websites
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Waits
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The PageObject pattern
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The EventFiringWebDriver class
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Handling iframes
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The JavascriptExecutor class
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Summary
5
5. Selenium WebDriver Frameworks
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5. Selenium WebDriver Frameworks
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Behaviour-Driven Development
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JXL API Data-Driven framework
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Apache POI Data-Driven framework
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Properties file Data-Driven framework
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Keyword-Driven framework
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Hybrid-Driven framework
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Summary
6
Index
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Index

Data Driven tests

Parameterization is a part of the Data Driven technique for retrieving values from an external data source as input. In general, the Data Driven tests are used to verify the actual and expected values from an external data source. The Selenium IDE plays a major role in parameterization, as it operates with different sets of permutations and combinations. Let's see how we can use a JavaScript file as a data source for Data Driven tests. The following is the JavaScript syntax for parameterization:

varname = "value"

For example, create a JavaScript (.js) file (Datasource.js) that includes the following keywords:

Search1 = "PrashanthSams"
Search2 = "Selenium Essentials"

Launch the Selenium IDE and choose Options… from the Option menu, Option | Options.... Now, browse through Selenium IDE extensions and select the .js file created earlier (Datasource.js), as shown in the following screenshot:

Data Driven tests

Finally, restart the Selenium IDE to effect the changes. Initialize, store, and fetch values from the .js file one by one using the storeEval command, as follows:

Data Driven tests

Here, Search1 and Search2 are the two variables that retrieve the respective keywords from the JavaScript file. These values are again stored in the new variables, GoogleSearch1 and GoogleSearch2, as shown in the preceding screenshot.

User-defined JavaScript methods

The IDE actions, accessors, and assertions can be user-defined and customized. To achieve this, the user is supposed to add JavaScript methods to the Selenium object prototype and the PageBot object prototype. In general, the Selenium IDE verifies the user-defined JavaScript methods on launching the IDE. Selenium Core extensions (user-extensions.js) in Options... give support to upload the user-defined JavaScript files.

Let's discuss this with an example that involves step-by-step instructions, as follows:

  1. Refer to the Google site https://sites.google.com/site/seleniumworks/selenium-ide-data-driven to download the following JavaScript files:
    • datadriven.js
    • goto_sel_ide.js
    • user-extensions.js
  2. Launch the Selenium IDE and choose Options… from the Option menu, Option | Options.... Now, navigate to Selenium Core extensions and upload the JavaScript files (user-extensions.js, goto_sel_ide.js and datadriven.js), as shown in the following screenshot. Finally, restart the Selenium IDE for the changes to take effect.
    User-defined JavaScript methods
  3. In the Selenium IDE, the XML file is used as a data source to store values, whereas Datadriven.js is designed to support the XML file format.

    Here is the syntax for XML file formatted data source:

    <testdata>
  <test varname="value" />
  <test varname="value" />
  <test varname="value" />
</testdata>

    Create an XML file with the extension .xml (data.xml). Here, varname is the variable name, and value refers to the keyword under the <test> tag. Let's create an XML file with the .xml extension (data.xml). For example, refer to the following code snippet:

    <testdata>
  <test phrase="selenium essentials" />
  <test phrase="seleniumworks.com" />
  <test phrase="prashanthsams" />
</testdata>
  4. Take a look at these details: loadTestData is a user-defined command that fetches the XML data source, while and endWhile do looping, whereas nextTestData checks for the data from the next row in the data source. The user can add any number of JavaScript methods. The following screenshot shows this step in detail:
    User-defined JavaScript methods
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