Practical DevOps by Joakim Verona

Author:Joakim Verona
Language: eng
Format: epub, pdf
Publisher: Packt Publishing

Many developers prefer to write tests as code using the Selenium API at the outset, which can be combined with a test-driven development approach.

Regardless of how the tests are developed, they need to run in the integration build server.

This means that you need browsers installed somewhere in your test environment. This can be a bit problematic since build servers are usually headless, that is, they are servers that don't run user interfaces.

It's possible to wrap a browser in a simulated desktop environment on the build server.

A more advanced solution is using Selenium Grid. As the name implies, Selenium Grid provides a server that gives a number of browser instances that can be used by the tests. This makes it possible to run a number of tests in parallel as well as to provide a set of different browser configurations.

You can start out with the single browser solution and later migrate to the Selenium Grid solution when you need it.

There is also a convenient Docker container that implements Selenium Grid.

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