January 31, 2024

Overview of PhoenixTest for Elixir

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Overview of PhoenixTest for Elixir

Source: germanvelasco.com

Phoenix Framework Phoenix LiveView

German Velasco created a new testing library called PhoenixTest, aiming to provide a consistent experience for writing feature tests in Phoenix applications, regardless of whether they involve LiveView or static pages. The library simplifies the process by allowing developers to follow user interactions across different types of pages without being concerned with their specific backend implementations. This is significant because typically, LiveView pages and static pages require different testing approaches. With PhoenixTest, interactions like navigating, filling forms, and clicking links can be tested in a uniform and intuitive manner that is more accessible and produces better error messages for failed assertions. This innovation is particularly useful for Elixir developers who favor working with LiveView for its efficiency in building interactive pages without the need for extensive JavaScript.

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