Dockerize your tests

This session talks about docker container and images, how to write a docker file, run a container, create one's own image, and run selenium tests on docker container.

Transcript

1. Dockerize your tests
2. What are we covering today • Why Docker? • How is docker different from normal VMs? • Docker objects • Few Docker commands • Demo on using Selenium in a docker container to run the tests 2
3. What is docker all about...?
5. VMs Vs Containers 5 Source: https://www.docker.com/what-docker
6. Why do we dockerize tests ? Portability across machines Parallelise tests Optimal resource sharing. Cross Browser testing with available resources Component reuse Version control made easy Quickly create environments Consistent Systems 6
7. Component Reuse UBUNTU Selenium JAVA Base Image 1GB 10GB 10GB 10GB 10GB Guest OS, Java, Selenium, Browser
8. Version Control made easy
9. Quickly create environments
10. Consistent Systems
11. Docker Terminologies https://docs.docker.com/engine/getstarted/step_one/ s.docke Docker Engine Images Containers /step_on e Dockerfile e DockerHub Docker compose 1 1
12. Docker Images - An image is a file system and parameters to use at runtime - A file that's essentially a snapshot of a container 1 2
13. Docker Containers - a running instance of an image 1 3 Container Image
14. Container 1 Container 2 Container n Image You can have many running containers of the same image.
15. Few Docker commands 1 5 docker search ubuntu docker pull ubuntu docker images docker ps docker ps -a docker logs docker rmi
16. Dockerfile A recipe which describes the files, environment, and commands that make up an image 1 6 Container RUN BUILD Docker File ……… …… …. Image
17. Let’s run a test in a Docker container!
18. What do we need? 1 8
19. Docker File example 1 9
20. Selenium Docker 2 0
21. Run the Docker Selenium image “docker run -d -p 4444:4444 selenium/standalone-chrome” Pull the image from Docker registry and run the container Use the available image to run the container s.docker.com/engine/getstarted/stp_one 2 1 Is the image available in local?
22. Test Scenario - Instantiate a remote webdriver - Open a google search page - Check page title - Search for “Hello World” - Take and save screenshot 2 2
23. Advanced - Docker with Selenium Grid https://docs.docker.com/engine/getstarted/step_one/ s.docker.com/engine/getstarted/stp_one 2 3
24. Docker Adoption https://docs.docker.com/engine/getstarted/step_one/ s.docker.com/engine/getstarted/stp_one 2 4
25. Not just Docker! https://docs.docker.com/engine/getstarted/step_one/ s.docker.com/engine/getstarted/stp_one 2 5
26. Thanks for joining us! Agalya & Abinaya 2 6