![]() ![]() Now let’s dive into the Appium architecture. It is used to control different mobile phone behaviours other than just setting up a communication stream. This allows the webdriver to establish communication with a server and a client to perform automation.Īppium uses the mobile JSON Wire Protocol, which is an extension to the Selenium JSON Wire Protocol. According to them, the protocol is a bunch of standardised endpoints that are exposed to the client using a RESTful API. It is developed by the webDriver developers. The JSON Wire Protocol is the mechanism used for communicating between client and server. Having covered these few key concepts, let’s take a look at the JSON Wire Protocol. It becomes fairly easy for the ser ver to distinguish between the two operating systems. This particular problem statement was also addressed with the help of JSON objects, called Desired Capabilities, as shown in the image below.ĭesired Capabilities are key-value pairs of information that distinguish the establishment of a session for the testing of an Android app to that of an iOS app. Now since it is a “cross-platform” tool, a mechanism must exist to differentiate between the two operating system’s session requests. Desired CapabilitiesĪppium works differently on iOS and Android. These requests carry information in a JSON Object format, and communication is executed using the JSON Wire Protocol. The client sends post requests, also known as session requests to the server. ![]() This is pretty obvious given the fact Appium is a simple client and server-based mechanism. Appium SessionsĮverything ‘testing’, is done encapsulated in a session. The server processes the request in its own unique way, which we will get to in a second, and then responds with the test result or log files. In Appium the client sends requests regarding automation to the Appium server. Any communication between the client and server is in the form of response and requests. According to the client-server architecture, the client connects to the server to avail any service hosted on the server. The server works using a client-server architecture. Appium Client-Server ArchitectureĪppium at its heart is a server written in node.js. In the below section, we are going to discuss three key concepts, that are intrinsic to Appium’s architecture. Now let us go over some key concepts regarding Appium that will help you understand it’s architecture with ease. Appium can be used to test Hybrid, Native and Web Apps.Appium can be used to test mobile applications, whether they run on iOS or Android.It also a noteworthy mention, that, Appium is a cross-platform app in all its senses: The current release of Appium can be downloaded from Appium’s official website. Credits going to the recent development by the developer team, Appium has released a GUI based desktop application that can be installed across a spectrum of Linux distributions, Microsoft Windows and MAC OSx. A few years back, Appium was a CLI only tool, and it was majorly installed using the node package manager. It is currently geared towards providing a seamless automation testing experience for mobile applications that run on Android and iOS.Īppium is a server, written using node.js. What is Appium?Īppium is an open source, cross-platform automation testing tool. You will understand how all these elements are weaved together to make one of the most successful automation testing tools.īefore we dive into the architecture of Appium, it is only just, that I provide a brief introduction to Appium for readers who have ended up on my automation testing blog series for the first time. This Edureka “Appium Architecture” video will explain the key constituents of the appium architecture. ![]()
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