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In this tutorial you are going to learn How to Automate the REST API's in Java using RESTAssured Library

The tech stack used for this tutorial are:

1. JAVA as the programming language for writing test code
2. TestNg as the framework
3. Gradle as the build tool
4. IntelliJ as the preferred IDE for writing java code.

Setup your machine.

1. Install JDK 1.8
2. Install IntelliJ (Community edition is fine)
3. Install Gradle

1. Clone the project from git clone https://github.com/vinaykumarvvs/api-automation-tutorial.git
2. Import the project (api-automation-tutorial) in IntelliJ File -> New -> Project from Existing Sources -> Browse Project Location -> build.gradle
3. Now click on auto import -> Ok wait until the IntelliJ downloads all the dependencies

Note: For 2nd & 3rd steps, you need to follow this way OpenTerminal/CMD -> cd <change-to-project-location>

1. You can run the tests directly from the IntelliJ, by right-clicking and Run test.
2. For Linux/Mac users: gradle clean build runTests
3. For Windows users: gradlew clean build runTests

Throughout this tutorial, I am going to use PetStore-Swagger. PetStore - Swagger is the open source project which has very good documentation with the various number of examples.

1. Test-1: Send a get Request of an API and validate the body
2. Test-2: Send a get Request of an API by passing the Query Parameters in the URL itself
3. Test-3: Send a get Request of an API and retrieve the data from the body
4. Test-4: Send a get Request of an API and store the Response

1. Test-1: Abstracting the Requests for maintenance and readability

1. Test-1: Creating the POST Request and validating the Response Code

1. Test-1: Creating the POST Request and validating the RequestBody & ResponseBody

1. Test-1: Chaining Requests and validate Response Body