VNC VIEWER FOR MAC DOCKER INSTALL
Install Required Browsers (versions if needed)ĭocker has many built in ways to quickly create a grid, scale nodes up or down when ever required with a single command. To get Selenium Grid up and running, we need to do below steps in Hub/Nodes machines Configure Selenium Grid in Docker Containers The above command displays system wide information regarding the Docker installation like number of containers and images etc. Once the installation is completed, please test your installation by running the below command: docker info
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Please check the requirements and download based on environment. Docker can be installed on Windows, macOS, Linux, and Cloud platforms. We assume that you have already installed docker and is up running, if not please install Docker. We will not discuss much on Docker as there are many articles available on Docker and its architecture. In other words, Docker is a simple container that let's you to specify a complete package of components needed to run a software. What is Docker ?ĭocker is an open platform for developers and system administrators to build, ship, and run distributed applications, whether on laptops, data center VMs, or the cloud.
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Where as each Virtual Machine includes a full copy of an operating system, one or more applications with necessary binaries and libraries which consumes more space and makes slow to boot. Docker Containers take up less space than VMs (container images are typically tens of MBs in size), and start almost instantly. How Docker helps?ĭocker is a lightweight container which can make you to run distributed applications in a minute. There are few companies who uses Cloud-based platform for automated testing of web/mobile applications like SauceLabs / Browserstack / CrossBrowserTesting but yes these are expensive.
When the nodes increases maintaining the Grid environment will become a problem in setting up required browsers / OS combinations across these virtual machines.Īnd also, there are times were issues like Browser Crashes, nodes running out of memory, Java processes run out of memory etc kills our time in restating node machines/hub. Based on number of scripts, they need to increase the node machines. Most of the organisations execute their Selenium scripts on virtual machines. Based on the request received, hub will distribute tests to the registered nodes. To run tests in parallel, we need to configure Selenium Grid with Hub and Nodes where hub is the central point which will receive test requests along with configurations or capabilities. Generally, to run our Selenium tests in parallel, we use selenium grid and distribute tests across multiple physical or virtual machines which will reduce the time required for running tests.
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