Generating a Random String of a Specified Length

Function Name

$random_string(intA)

Function Description

Generates a random string of a specified length. Parameter A supports the following types:

• Numbers
• Environment parameters
• Local parameters
• Other built-in functions

Application Scenarios

The function for generating random strings of a specified length can be used in the following scenarios for API automation:

• Request URL
• Request header
• Request body
• Checkpoint property
• if condition
• for loop interrupt condition

Example

• Request URL

  As shown in the following figure, the value of test in the request URL is the function for generating random strings of a specified length. Parameter A in the function is 3.

  

• Request header

  As shown in the following figure, the value of the string parameter in the request header is the function for generating random strings of a specified length. Parameter A in the function is 3.

  

• Request body

  As shown in the following figure, the request body uses the function for generating random strings of a specified length. Parameter A in the function is the binary addition operation $add(2,2).

  

• Checkpoint property

  As shown in the following figure, the target value of the checkpoint property result is the function for generating random strings of a specified length. Parameter A in the function is the local parameter test. For details about how to set local parameters, see Local Parameters.

  

• if condition

  As shown in the following figure, the target value of the if condition is the function for generating random strings of a specified length. Parameter A in the function is the environment variable status. For details about how to set environment parameters, see Setting Environment Parameters of an API Script.

  

• for loop interrupt condition

  As shown in the following figure, the target value of the for loop interruption condition is the function for generating random strings of a specified length. Parameter A in the function is 3.