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TestLink REST API Guide

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Overview

In this TestLink REST API guide, we will learn how to execute TestLink Rest API requests and some sample API endpoints. REST stands for Representational State Transfer. REST allows interaction with systems that are built on HTTP standard protocol. REST is an alternative to legacy systems that are built on SOAP(Simple Object Access Protocol).

Pre-requisites

To execute API calls, we need to have the Testlink Web application up and running without any issues. Log in as the API user into the TestLink web application.

https://www.testingdocs.com/install-slim-framework-on-windows/

CRUD Operations

CRUD stands for Create, Read, Update, and Delete. These are the major operations that API calls perform on the server-side resources.

The analogous REST verbs for these operations are as follows:

 

 

Manual API Test Tool

We use Postman for testing and executing the REST API calls. A quick overview and download steps can be found at:

https://www.testingdocs.com/postman-api-tool/

TestLink REST API Versions

Testlink versions:

The current version of TestLink is 1.9.x. The upcoming version of the TestLink is 2.x

API versions are different from the Testlink web versions. There are multiple versions for the API endpoints, like.

We need to specify the version in the REST endpoint URL to hit the particular version.

http://<server_testlink_home>/lib/api/rest/v1/who

http://<server_testlink_home>/lib/api/rest/v2/who

 

 

Anatomy of API Request

Below is a API request executed to get the project’s information. Let’s understand the API request shown.

 

1- API endpoint. The server listens to the API request on this endpoint. Testlink might have many exposed endpoints each for a specific purpose.

2- HTTP method for the request. The shown call is a GET call.

3- Authorization – We need to specify the APIKEY

4- Request Headers for the API request. Content Type, Accept etc.

5 – Response code – 200 OK means Success.

6 – Response Body received from the TestLink server.

Execute a Sample API call

https://www.testingdocs.com/how-to-execute-rest-api-call-using-postman/

Advantages

Rest API allows us to interact with TestLink interaction in an automated fashion.

API opens doors to the integration with other components like Mantis BTS, Jira, etc.

Debugging API errors

https://www.testingdocs.com/questions/how-to-fix-slim-application-error-in-testlink/

https://www.testingdocs.com/questions/how-to-fix-400-bad-request-error-in-testlink-api/

Sample API calls

http://localhost/testlink/lib/api/rest/v2/who

This API is just to check the Rest API status. If you get a 200 OK response status the Rest API setup is fine on the TestLink instance. Any other response code would need attention and debug.

 

 

http://localhost/testlink/lib/api/rest/v2/whoAmI

This API is just to check the Rest API status. If you get a 200 OK response status the Rest API setup is fine on the TestLink instance. Any other response code would need attention and debug.

 

http://localhost/testlink/lib/api/rest/v2/testprojects

 

This API call is used to Gell all the test projects created on the TestLink instance.

Sample REST API Response:

{
"status": "ok",
"message": "ok",
"item": [
{
"id": "1",
"notes": "<p>www.TestingDocs.com</p>",
"color": "",
"active": "1",
"option_reqs": "0",
"option_priority": "0",
"option_automation": "0",
"options": "O:8:"stdClass":4:{s:19:"requirementsEnabled";i:1;s:19:
"testPriorityEnabled";i:1;s:17:"automationEnabled";i:1;s:16:
"inventoryEnabled";i:0;}",
"prefix": "TDocs",
"tc_counter": "0",
"is_public": "1",
"issue_tracker_enabled": "0",
"code_tracker_enabled": "0",
"reqmgr_integration_enabled": "0",
"api_key": "7eb55806c7f7e8ccc83ce4b5b807c9866e5baba05430306f2525296d55db752b",
"name": "TestingDocsProject",
"effective_role": "8",
"itname": null,
"ittype": null,
"rmsname": null,
"rmstype": null,
"opt": {
"requirementsEnabled": 1,
"testPriorityEnabled": 1,
"automationEnabled": 1,
"inventoryEnabled": 0
}
}
]
}

 

Rest API Automation Tool

https://www.testingdocs.com/rest-api-automation-with-karate-automation-tool/

 

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