Deserialization Using POJO Classes with REST Assured | REST API Automation Testing from Scratch

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REST API Automation Testing from Scratch - REST Assured Java

By : Venkatesh Chepuri (Rahul Shetty), Rahul Shetty

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REST API Automation Testing from Scratch - REST Assured Java

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By: Venkatesh Chepuri (Rahul Shetty), Rahul Shetty

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Overview of this book

Explore the world of REST API with this hands-on course. You’ll not only learn the concepts from scratch but also find out how giant companies such as Jira, Twitter, Facebook, and Google Maps are using REST API to automate their services. The course starts with the basics of REST API and proceeds toward brushing up your Java skills. Next, you’ll become familiar with the concept of Postman and test APIs with Postman. As you advance, you’ll discover different types of REST requests and set up the REST assured environment for automation. Next, you’ll optimize scripts to match framework standards and closely study the grant type authorization flow with an interesting example. Moving ahead, you’ll solve complex queries from JSON with simple POJO methods and learn to automate APIs with the help of many examples. Toward the end, you’ll migrate a project to the TestNG framework and understand the importance of Maven in framework development. By the end of this course, you’ll have complete knowledge of REST API automation testing. The code bundle for this course is available at https://github.com/packtpublishing/rest-api-automation-testing-from-scratch--rest-assured-java

REST API Basics and Terminology

Introduction to REST API

Introduction to REST API and Where it is Used in Project Architecture

Understanding GET, POST, PUT DELETE, HTTP, and CRUD Operations of API

Path, Query Parameters, and Headers in REST API

Getting Started with REST API Testing

Introduction to Postman and Google Maps APIs

Understanding the Add Place API and Executing it Through Postman

Understanding the Get and Delete Place API Using GET and DELETE HTTP Methods Through Postman

Understanding the Update Place API Using the PUT HTTP Method Through Postman

REST Assured Setup for API Automation Testing

Setting Up Rest Assured Maven Project with Java and Eclipse Installation

Building a REST API Automation Testing Framework to Add Places and Validate Status Codes

Validating the REST API Responses

Assertions on JSON Response Body and Headers Through Automated Code

Parsing the JSON Response Body Using JSON Path Class

Integrating Multiple APIs with the Common JSON Response Values

Building End-to-End Automation Using GET, POST, and PUT HTTP Methods

Importance of Junit/TestNG Assertions in Validating the Responses

Diving in Depth Automating REST API

Understanding the Structure of Complex Nested JSON and its Array Notations

Retrieving the JSON Array Size and its Elements Using the JSON Path

Iterating Over Every Element of the JSON Array and Accessing Elements in It

Retrieving JSON Nodes on Condition Logic Using the JSON Path

Real-Time Example to Solve Business Logic Using the JSON Response

Handling Dynamic JSON Payloads with Parameterization

Why Dynamic JSON Payloads are Important to Understand

Introduction to Library API

Testing REST Assured for Library API Using the Add Book HTTP Method

Sending Parameters to Payload Through Test

Understanding TestNG Data Provider for Parameterization

Example on Parameterization of API Tests with Multiple Datasets

How to Handle with Static JSON Payloads

Real-World Example Automating Jira APIs

How Jira API Works

Cookie Authentication API for Jira Requests

GET and POST APIs in Jira to Create Bugs

Defining Path Parameters in REST Assured Code Using Add Comment API

Importance of the Session Filter Cookie in REST Assured Code

Sending Attachments to REST API Using the MultiPart Method in REST Assured

Integrating Query Params and Path Params in a Single Test to Restrict the Results

Parsing a Complex Jira JSON Response to Retrieve the Added Comment with Code Logic

Importance of Assertions and HTTP Validations on REST API

Handling Google and Facebook OAuth 2.0 Authorization Grant Types

Introduction to OAuth 2.0 and Different Grant Types

Understanding the Grant Type Authorization Flow with Real-Time Example

Flow Procedure in Achieving OAuth 2.0 Authentication Mechanism

Practicing the OAuth 2.0 Project to Retrieve the Courses List

REST Assured Automation for OAuth 2.0 Authorization Code

Performing REST Assured Automation Testing for the OAuth Project

Integrating Web UI Automation to Generate an Authorization Code

Formatting a URL String to Retrieve Codes Using Java Methods

How to Deal with the Client Credentials Grant Type for OAuth Flow

Deserialization Using POJO Classes with REST Assured

What is Serialization and Deserialization in REST Assured?

Libraries Needed to Support Serialization in REST Assured

Strategies in Parsing Complex Nested JSON using POJO Classes

Creating POJO Classes for the Real-Time Nested Array in JSON

End-to-End Automation Examples using POJO Deserialization

Solving Complex Queries from JSON Using Simple POJO Methods -Part 1

Solving Complex Queries from JSON Using Simple POJO Methods-Part 2

Serialization of the Input Payload Using Google Maps API Example

Google Maps Add Place JSON to Implement Serialization

Building POJO Classes to Construct JSON Payload to API

End-to-End Testing with Serialization

Understanding Request and Response Spec Builders in REST Assured

Significance of Spec Builders in REST Assured

Practical Example of Implementing Spec Builders and Optimizing Code

Maven and Cucumber Basics

Importance of Maven in Framework Development

Installing and Configuring Maven

Understanding Terminologies of Maven

Creating a Maven Project and Importing into Eclipse

Introduction to Cucumber

What is Gherkin Syntax and How it Works

Understanding the Scenarios Outline in Cucumber

Feature Files and Importance of Step Definition in Cucumber

Creating a Project Template in Cucumber

Understanding Cucumber Dependencies

Understanding the Terminologies of Automation

Mapping Step Definition to a Feature File

Using Tidy Gherkin Plugin to Generate Step Definitions

Running the Tests with testRunner

Importance of Regular Expressions in Feature Files

Reusing Functions with Different Data

Cucumber BDD API Framework Development from Scratch - 1

Learning Plan

Creating a Maven Project with Cucumber REST Assured Dependencies

Building a Cucumber Feature File for REST Assured API Tests

Building Test Runner and Step Definition Files to Test the Add Place API Feature

Implementing Real Code in Step Definition Files with Reusable Components

Running the Test in Cucumber Standards with Necessary Configuration Changes

Building Utility Files and Implement a Logging Feature in the framework

Implementing Mechanisms to Drive Global Property Values from the Properties File

Data-Driven Testing Mechanism for API Tests using the Cucumber Example Feature

Parameterizing API Test with Multiple Data Sets using Cucumber Framework Features

What are Enum Classes? How the Framework can Utilize the Enum Concepts?

Removing Hardcoded Resource Details with Enum Class Methods

Building End-to-End Test Case with the Add and Delete Place in Framework Standards – Part 1

Building End-to-End Test Case in Framework Standards – Part 2

Creating Additional Scenarios in Framework to Reuse Existing Step Definitions

Importance of Cucumber Hooks in Setting up Preconditions for API Tests

Optimizing the Framework Tests with All Necessary Validations

Running the Complete Framework Using Maven Commands

Generating Excellent Cucumber HTML Reporting with Additional Plugins

Cucumber BDD API Framework Development from Scratch - 2

Introduction to Jenkins CI Tool

Integrating the API Framework into Jenkins and Triggering with the New Job Setup

Setting Up the Parameterized Jenkin Job for the API Framework with Multiple Tags

Understanding the Git Version Control System

Introduction to Git

Importance of GitHub and its Uses

Creating Git Config and Repositories

How to Push Code to a Remote Repository

Understanding Staging and Commit in Git

Adding a Remote Repository and Pushing the Committed Code

End-to-End Working Example on Git Commands – Part 1

End-to-End Working Example on Git Commands – Part 2

Importance of Branching in Git

Resolving Merge Conflicts with Git

Excel Integration with REST Assured Test

Apache POI API and Downloading Instructions

Strategy to Access Excel Data

Getting Rows and Cells from an Excel Sheet

Retrieving Data from Excel Based on a Condition

Practice Exercise - Excel Driven Testing – Part 1

Practice Exercise- Excel Driven Testing – Part 2

Practice Exercise- Excel Driven Testing – Part 3

Introduction to Library API

Library API Postman and REST Assured Examples

Converting HashMap into JSON

Testing Excel Integration with REST Assured

Java Basics

Java Program Principles

Classes and Objects in Java

Strings in Java

String Practice Exercises

What is an interface?

How Java Classes can Take Advantage of the Interface

Using Inheritance in JAVA

Practical Examples on Types of Inheritance

Introduction to Arrays

Single-Dimensional and Multidimensional Arrays Usage

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REST API Automation Testing from Scratch - REST Assured Java

By : Venkatesh Chepuri (Rahul Shetty), Rahul Shetty

REST API Automation Testing from Scratch - REST Assured Java

By: Venkatesh Chepuri (Rahul Shetty), Rahul Shetty

Overview of this book

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