... which is ironic given all emphasis on 'effects as data'.... On Monday, 7 November 2016 09:51:56 UTC+1, Austin Bingham wrote: > > I asked more or less the same question about a month ago and got no > responses: > > > https://www.reddit.com/r/elm/comments/593vua/how_to_test_the_complete_update_cycle/ > https://groups.google.com/d/msg/elm-discuss/634UXiZjRFQ/lVeDED1oBQAJ > > The only practical answer right now seems to be to use elm-testable, > though I haven't actually tried it myself. > > This feels like a real blind-spot in the elm ecosystem. The generation and > handling of Cmds is central to a properly functioning app, but there > doesn't seem to be any first-class way to test e.g. Update without driving > the entire app from the top-level. > > On Mon, Nov 7, 2016 at 8:28 AM Simon <hotb...@gmail.com <javascript:>> > wrote: > >> I've often worried about the commands bit. >> For the view side, you need to test that you are deriving the right data >> to render, while it is Evan that needs to test that, given certain data, >> expected DOM elements get produced? >> >> >> On Monday, 7 November 2016 07:44:36 UTC+1, Francesco Orsenigo wrote: >>> >>> How do you write unit tests to ensure that an `update : Msg -> Model -> >>> ( Model, Cmd Msg )` function is producing the correct commands? >>> What if the function is supposed to produce several commands batched >>> together? >>> >>> Same thing for a `view : Model -> Html Msg`. >>> Suppose I want to test whether, given a particular model, it will >>> display the correct number of list items. >>> Do people write tests for this? >>> Right now the only way to write this kind of tests I can think of is >>> creating the whole html tree as I expect it to be rendered, and comparing >>> it via == with the function output. >>> >> -- >> You received this message because you are subscribed to the Google Groups >> "Elm Discuss" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to elm-discuss...@googlegroups.com <javascript:>. >> For more options, visit https://groups.google.com/d/optout. >> >
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