I have an API that contains a customer ID value, that is generated randomly and contains special character.
I need to assert this customer ID using Response Assertion, But due to the special characters , the comparison shows fail .
Example:
API body:
{Customer_ID : "rzrzlk#kad9$l11zr#zz9dr1"
}
My response assertion:
"data":[{"customer_id":"rzrzlk#kad9$l11zr#zz9dr1",
Result:
Assertion failed
I know I should user backslash , but when you dont know where to user it inside the values, it will be useless.
You should use a backslash only if you're escaping regular expressions meta characters
If you just need to ensure that response contains the given value you should use the following setup:
Contains and Matches modes expect a regular expression
Equals and Substring modes expect a plain text string
More information: How to Use JMeter Assertions in Three Easy Steps
Related
this works, but how can I ignore the quotation marks in the form of my token "token"
i don't want him to get the quotation marks
I would use Boundary Extractor
Put Left and Right Boundary as " and you will get the value
Allows the user to extract values from a server response using left and right boundaries. As a post-processor, this element will execute after each Sample request in its scope, testing the boundaries, extracting the requested values, generate the template string, and store the result into the given variable name
You need to provide the Template and specify the capturing group (in your case it will be 1)
More information:
JMeter: Regular Expressions
Using RegEx (Regular Expression Extractor) with JMeter
working in this way. maybe you will need it!
I have a response assertion validating the 'Document (text)' of a response.
This is the assertion
This is the failure
This is the response that the assertion is checking. As you can see I have directly copied 'Statutory Currency USD Total Tax (SC) 58.80' from the failing assertion and it is found in the response?!
Other assertions are passing for this request.
Notice you can (maybe should) switch to using Substring instead of Contains which will fix your issue, because it doesn't use regex which have reserved characters as (
Contains - true if the text contains the regular expression pattern
Substring - true if the text contains the pattern string (case-sensitive)
Turns out the '(' and ')' needed to be escaped using a '\'.
You’re using document instead of Text response in Fields to test.
Document is usually reserved to asserting on pdf, excel, word document. it has an important cost in terms of performance and is not needed when asserting on text (html, json...)
Also you should favor substring instead of contains.
Regular expression to fetch a single id from an array of values in Jmeter
some responses having multiple values under organization_ids and some responses will have a single value.
The current regular expression gets values as:
"org_ids":(\[.*?\])
responses:
"org_ids": 1234
some responses:
"org_ids":["12234","133424","234324"]
When multiple values are present in the array need to get only one value.
Response:
"org_ids":["5a7c2","56d0da","5727"]
Please guide which regular expression can give only one value from the above array.
You are grouping the entire array. You can group just the first hit:
"org_ids":\["([^"]*)".*
So the group encloses a single ", then the largest possible non " match, then a single ". Or amending what you have:
"org_ids":\["(.*?)".*
So a non greedy search of everything between two ".
Your response seems utterly like JSON so parsing it using regular expressions is not the best idea, you can easily achieve the same using JSON Extractor
Add JSON Extractor as a child of the request which returns the above data
Configure it as follows:
Names of created variables: anything meaningful, i.e. org_id
JSON Path Expressions: $..org_ids[*]
Match No: 0
That's it, now you will have a random org_id available as ${org_id} JMeter Variable.
References:
Jayway JsonPath
API Testing With JMeter and the JSON Extractor
How to pass jmeter response data (ex: getting response 295 without any lable) to next http request url path/body. This 3 digits/4 digits number is dynamically generated for every run and this value i have to use it for next API calls. Since this value is not having any lable/attribute name not sure how to extract this value. Please suggest.
Regular Expression Configuration:
Reference Name: anything
Regular Expression: (.+)
Template: $1$
Match No.(O for Random): 1
The Reference name should be passed as the variable in the next HTTP request URL path/body.
Screenshot from Regex Test in View Results Tree.
If you need to extract a single numeric value, the relevant regular expression will be as simple as (\d+). See Perl 5 Regex Cheat sheet for quick reference.
If in future you will need a regular expression which return the whole response (including line breaks, special characters, whatever), as per How to Extract Data From Files With JMeter article it will be something like (?s)(^.*)
Assert given value:
"action":"GET /api/invoice_status","description":"[NO_AUTH] get
invoice statuses"
Assertion failure message:
Test failed: text expected to contain /"action":"GET
/api/invoice_status","description":"[NO_AUTH] get invoice statuses"/
It is adding / slashes just to represent properly but it's not an issue. Cross verify your response after running the script, there might be some difference in the response and the text which you are passing in assertion. Also, there is no need to pass complete response in assertion, just pass some important text like success, passed (if present in response) or any other text available in your response and click on contains radio button inside Response assertion
Got the solution by using the \ forward slash escape character.
As per How to Use JMeter Assertions in Three Easy Steps
The Pattern can be either be:
a “string” for “Equals” or “Substring” clauses
a “Perl5-style” Regular Expression for “Contains” or “Matches” clauses
So if you choose "Contains" mode - JMeter treats pattern as Regular Expression. Either escape meta characters with a backslash - \ or consider switching the Response Assertion into "Substring" mode instear.