Write Tests for a LiveView

Testing LiveView

LiveView, like Channels, provides test helpers that allow us to write meaningful tests for our LiveView module quickly. The Phoenix.LiveViewTest module offers all the helpers we need to start writing tests.

Our LiveView is pretty simple because it doesn’t respond to front-end events. Our tests will be basic because of this. We’ll ensure that ProductLiveView mounts and renders the correct HTML.

We’ll need to add a test dependency to our mix.exs file to get started. LiveViewTest uses Floki to parse HTML, so let’s add that.