It contains common functions to be used by all methods.Ĭ) Create another package “com.qa.client” and class “restClient.java”. #7) Next, create a framework for your API testĪ) Create a package “com.qa.config” -> Create a file “config.properties” and store all URLs.ī) Create another package “qa.com.base” -> Create a class “testBase.java” which will be a parent class for all over classes. The final pom.xml file looks like as shown below image: We will not add Selenium jar in our project, as we are doing complete backend testing. #6) Download the latest and most stable versions. #5) Add above dependencies(library) in pom.xml file. #4) Then, we require the HTTP Client library, HTTP Core library, JSON Parser library, TestNG library, Jackson-data bind Library #3) Go to the pom.xml file and remove the JUnit dependency as we don’t need it. #2) Delete dummy packages provided by MAVEN i.e. #1) Open Eclipse and create a new Maven Project. Here, in this article, we will only discuss the Apache HTTP client and we will cover other different HTTP clients in our future articles. ![]() Some popular REST clients are Apache HTTP client, POSTMAN, SOAP UI, Swagger, and many more. It is used in backend testing when there is no UI to call the APIs. REST Client is a tool that calls the APIs. So, API is always used when two independent systems interact with each other, either locally, within the system, or over the network. Any particular information is stored either in JSON or XML formats, as these are lightweight and they are standard languages to communicate between two different interfaces/platforms or systems. JSON/XML files are used because these are data collectors. Communication happens between the two systems using either JSON or XML files. So, the S2 system exposes its APIs to the S1 system without exposing business logic, and the S2 system shares the API name, API URL, API format, and Authentication key/Token Key to access its system. Then how will the S2 system share the code with another system? ![]() NET or Python and we know that both technologies are completely different from each other with security concern too. Let S1 system is returned in J2EE language and the S2 system is returned in. ![]() Let us see the differences between these two web services as enlisted in the below image. There are two types of web services, namely The question that arises here is, how exactly, within seconds, are they providing us with the information? What exactly do they do?įrom UI, they take all the necessary information and store it in a JSON or XML file and call their vendor APIs with an authentication token as they expose their APIs, and in response, the flight vendor’s site sends back JSON/XML response to MakeMyTrip, and they convert the received response and display details in UI. If they are booking through third-party vendors like MakeMyTrip and other booking sites, within a few seconds they will compare and show results providing flight details like the lowest price, flight time, and much more other information. If a customer wants to book a flight from New York to London, either they can browse directly on the flight vendor portal or they can book through third-party vendors. and are some of the famous flight and hotel booking websites and there are different flight vendors available like Indigo, Air India, Etihad, etc. Refer to the example below to understand how web services work. Web services are generally APIs that are not installed or stored locally but are available in clouds or in some remote servers. Web Services are a medium of communication between client and server machines that interacts over a network with the help of HTTP protocols.
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