Transaction Scripting Reference

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Transaction Scripting Reference
This article contains a reference of all namespaces, classes, modules and methods that are available for creating transaction tests.
Example Scripts
For quicker orientation, there is a comprehensive collection of script examples provided by the transaction scripting examples repository in the ThousandEyes GitHub account.
Controlling the Browser
ThousandEyes provides a wrapper of the Selenium WebDriver library for JavaScript. It contains methods for controlling the browser that is used to execute the test.
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Namespace
thousandeyes
Module
driver
Import Syntax
import { driver } from 'thousandeyes';
Used Like
await driver.get('https://google.com');
Supported methods
await driver.get('https://google.com');
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actions( options )
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executeAsyncScript( script, ...args )
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executeScript( script, ...args )
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findElement( locator )
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findElements( locator )
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get( url )
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getAllWindowHandles()
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getCurrentUrl()
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getPageSource()
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getTitle()
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getWindowHandle()
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manage()
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navigate()
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sleep( ms )
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switchTo()
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wait( condition, timeout, message )
Reference
https://selenium.dev/selenium/docs/api/javascript/module/selenium-webdriver/index_exports_WebDriver.html
Interacting with page elements
A set of methods for interacting with elements. Once the element is located and retrieved (by using the findElement() function or similar), it can be managed using the following methods.
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Namespace
selenium-webdriver
Module
WebElement
Find an element
const element = await driver.findElement(By.css('.someClass'))
Supported methods
clear()
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click()
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getAttribute( attributeName )
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getCssValue( cssStyleProperty )
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getId()
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getText()
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sendKeys( ...args )
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submit()
Reference
https://selenium.dev/selenium/docs/api/javascript/module/selenium-webdriver/index_exports_WebElement.html
Waiting for events
Defines common conditions for use with WebDriver wait.
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Namespace
selenium-webdriver
Module
until
Import Syntax
import { until } from 'selenium-webdriver';
Used Like
await driver.wait(until.alertIsPresent(), 10 * 1000, 'Alert did not appear within 10 seconds!');
Supported methods
ableToSwitchToFrame( frame )
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alertIsPresent()
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elementIsDisabled( element )
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elementIsEnabled( element )
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elementIsNotSelected( element )
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elementIsNotVisible( element )
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elementIsSelected( element )
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elementIsVisible( element )
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elementLocated( locator )
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elementTextContains( element, substr )
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elementTextIs( element, text )
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elementTextMatches( element, regex )
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elementsLocated( locator )
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stalenessOf( element )
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titleContains( substr )
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titleIs( title )
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titleMatches( regex )
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urlContains( substrUrl )
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urlIs( url )
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urlMatches( regex )
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elementTextMatches( element, regex )
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elementsLocated( locator )
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stalenessOf( element )
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titleContains( substr )
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titleIs( title )
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titleMatches( regex )
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urlContains( substrUrl )
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urlIs( url )
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urlMatches( regex )
Reference
https://selenium.dev/selenium/docs/api/javascript/module/selenium-webdriver/lib/until.html
Generating keyboard events
Representations of pressable keys that aren't text.
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Namespace
selenium-webdriver
Module
Key
Import Syntax
import { Key } from 'selenium-webdriver';
Used Like
await driver.findElement(By.css('.form-input')).sendKeys(Key.RETURN);
Supported methods
Key.chord( ...keys )
Values
See the reference below
Reference
https://selenium.dev/selenium/docs/api/javascript/module/selenium-webdriver/index_exports_Key.html
Taking Screenshots
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Namespace
thousandeyes
Module
driver
Method
takeScreenshot()
Used Like
await driver.takeScreenshot();
Description
Takes a screenshot of the current page and stores it in memory. These screenshots will be collected at the end of the test. A maximum of 3 screenshots are allowed, new screenshots will override the old ones in case that this limit is exceeded.
Parameters
None
Returns
None
Handling Credentials
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Namespace
thousandeyes
Module
credentials
Import Syntax
import { credentials } from 'thousandeyes';
Used Like
credentials.get('MyPasswordName');
Method
get( credentialName )
Description
Gets the stored credential value matching the supplied name. Only works if you have already associated the credential with the current test (Test settings page).
Parameters
credentialName (string) The name of the credential to fetch
Returns
(string) The password or sensitive value associated with the supplied credential name
Handling Downloads
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Namespace
thousandeyes
Module
downloads
Import Syntax
import { downloads } from 'thousandeyes';
Used Like
await downloads.waitForDownload('myFilename.txt', 10 * 1000);
Method
waitForDownload( fileName, timeout )
Description
Waits for a download matching the supplied filename to appear and then to finish. If a file matching the supplied name has previously been downloaded, this function will complete immediately. If no file matching the supplied name has been or is currently downloading, it will wait for the supplied timeout amount of time for the file to appear and finish downloading.
Parameters
fileName (string) The name of the file to wait for
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timeout (number) The max number of milliseconds to wait for download completion. Defaults to 60 seconds
Measuring transaction time(s)
ThousandEyes transactions support two types of measuring time:
Markers
Overall transaction time
Markers
Markers are custom time delimiters, enabling precise time measurements of smaller sections of the transaction. A maximum of 200 markers can be defined in a transaction script. The Waterfall tab displays the first ten markers, with a Show more link if more than ten markers are defined.
Start a marker:
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Namespace
thousandeyes
Module
markers
Method
start( markerName )
Description
Starts a marker with the supplied name. This marker can later be stopped by calling the stop function with the same name.
Parameters
markerName (string) The name of the marker
Returns
None. Will throw an error if attempting to start a previously started marker.
Stop a marker:
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Namespace
thousandeyes
Module
markers
Method
stop( markerName )
Description
Stops the marker matching the supplied name.
Parameters
markerName (string) The name of the marker
Returns
None. Will throw an error if attempting to stop a marker that hasn't been started yet or one that was already stopped.
Set a marker:
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Namespace
thousandeyes
Module
markers
Method
set( markerName )
Description
Creates a marker that spans from transaction start time to the time this method is called. Calling set implicitly closes the marker, so there is no need to later close it.
Parameters
markerName (string) The name of the marker
Returns
None.
Overall Transaction Time
Running a transaction test implicitly causes the overall transaction time measurement, spanning from the moment the transaction test run starts and to the end of the transaction. However, if customization of overall transaction time's start and stop moments is required, the following methods can be used to such effect. |
Set the overall transaction time start moment:
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Namespace
thousandeyes
Module
transaction
Method
start()
Description
Sets the start time of the transaction. If not called, the transaction start time will default to the script start time.
Parameters
None
Returns
None
Set the overall transaction time end moment:
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Namespace
thousandeyes
Module
transaction
Method
stop()
Description
Sets the end time of the transaction. If not called, the transaction start time will default to the script end time.
Parameters
None
Returns
None
Element Locators
Provided is a set of mechanisms dedicated to locating elements on the page.
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Namespace
selenium-webdriver
Class
By
Import Syntax
import { By } from 'selenium-webdriver';
Used Like
await driver.findElement(By.css('#myId'));
Supported static methods
By.className( name )
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By.css( selector )
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By.id( selector )
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By.js( script, ...var_args )
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By.linkText( text )
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By.name( name )
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By.partialLinkText( text )
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By.xpath( xpath )
Reference
https://selenium.dev/selenium/docs/api/javascript/module/selenium-webdriver/lib/by_exports_By.html
Assertions
The assert module provides a set of assertion functions for verifying invariants.
NOTE: Only strict mode is supported.
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Namespace
assert
Module
assert
Import Syntax
import assert from 'assert';
Used Like
assert(url === 'https://wikipedia.org', 'Assertion failed: not on wikipedia!')
Supported methods
assert( value[, message] )
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deepEqual( actual, expected[, message] )
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doesNotReject( asyncFn[, error][, message] )
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doesNotThrow( fn[, error][, message] )
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equal( actual, expected[, message] )
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fail( [message] )
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ifError( value )
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notDeepEqual( actual, expected[, message] )
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notEqual( actual, expected[, message] )
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ok( value[, message] )
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rejects( asyncFn[, error][, message] )
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throws( fn[, error][, message] )
Reference
https://nodejs.org/api/assert.html
Further information
For further information about transaction testing, see Getting Started with Transactions.
If you have any questions, contact the ThousandEyes Customer Engineering team.