How do you use the random function in LoadRunner?

In this method, a parameter needs to be defined in the ‘Parameters’ by selecting ‘Parameter Type’ as ‘Random Number’. The value can be fetched by using the parameter name as shown below: Action() { lr_output_message(“Random Number is \%d”, atoi(lr_eval_string(“{randParam}”))); return 0; } Output: Starting action Action.

How do you use correlated value in LoadRunner?

Steps to auto-correlate a script:

1. Record a script.
2. Replay script.
3. Identify the values to be correlated.
4. Select the values and click the auto-correlate button.
5. Verify the script by running again. A successful run means successful correlation.

What is lr_eval_string in LoadRunner?

From LoadRunner variable to Language-Specific variable: lr_eval_string() is an important function in LoadRunner which helps to convert LoadRunner variable into language-specific variable. lr_eval_string function evaluates the parameter and returns the value in a string data type.

How do you do auto correlation on LoadRunner?

To use the autocorrelation feature of LoadRunner, you have to enable ‘Automatically apply correlation rules’ option which is available at: Recording Options -> Correlations -> Configuration -> Scan for correlations applying -> Rule Scan -> Automatically correlate values found.

How do you handle dynamic left and right boundaries in LoadRunner?

To capture the dynamic data from the server, in LoadRunner we use web_reg_save_param function. In web_reg_save_param function, we use following parameters: Left boundary, Right boundary, Ord, SaveLen etc.

What is Web_reg_save_param_ex in LoadRunner?

‘web_reg_save_param’ function is used for web protocol (denoted by “web”). This function registers a request to find out the dynamic value based on the boundaries (denoted by “reg”). Type ‘web_reg_save_param_ex’ in the search box. VuGen will show the matched content. Double click on ‘web_reg_save_param_ex’ function.

How do you convert a correlated value from HTML to URL format?

To use an HTML value in a URL, you must therefore convert it into an escape sequence or plain text. For example, an ampersand is represented in a URL as \%26. When you use this function to convert the HTML to plain text, it converts it to the way the character would appear in a browser.

How do you correlate headers in LoadRunner?

Capture correlation value from response headers | CsrfToken Value Correlation

1. Go to Recording Options.
2. HTTP properties.
3. Advanced.
4. Headers and add ‘csrf-token’ or select ‘Record header not in list’. Then record the script or regenerate the script.

What is lr_save_string in LoadRunner?

you use lr_save_string to convert c string to loadrunner string. If you declare order no in C and use it in your web function, it will not work, in order to work, you need to convert C string to LR string.

What is Web_reg_save_param in LoadRunner?

‘web_reg_save_param’ is a LoadRunner function which is used to handle the dynamic values coming from the server in the response. In Manual correlation, you have to manually add the same function at the right place, so that LoadRunner captures the dynamic value from the response and passes in the subsequent requests.

What is SaveOffset LoadRunner?

The SaveOffset attribute functionality is available in LoadRunner as of version 7.8. This attribute allows us to set the offset of a sub-string of the found value, to save to the parameter. The default is 0. The offset value must be non-negative.

What is correlation in LoadRunner?

Correlation is done for the dynamic value or the value returned by server for any request. Parameterization differs from correlation in a way that former takes care of user input data whereas later takes care of data returned by server. Manual correlation and automated correlation follow the same steps.