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module WebSocketTests exposing (..) | |
import Test exposing (..) | |
import Expect | |
import Elmer exposing (atIndex, (<&&>)) | |
import Elmer.Html as Markup | |
import Elmer.Html.Matchers exposing (elements, hasText) | |
import Elmer.Spy as Spy exposing (Spy, andCallFake) | |
import Elmer.Platform.Subscription as Subscription | |
import WebSocket | |
import App | |
webSocketListenSpy : Spy | |
webSocketListenSpy = | |
Spy.create "webSocketListen" (\_ -> WebSocket.listen) | |
|> andCallFake (\_ tagger -> | |
Subscription.fake "webSocket" tagger | |
) | |
listenTests : Test | |
listenTests = | |
describe "listen for message" | |
[ describe "when a list of items is received via the websocket" | |
[ test "it shows the items" <| | |
\() -> | |
Elmer.given App.defaultModel App.view App.update | |
|> Spy.use [ webSocketListenSpy ] | |
|> Subscription.with (\() -> App.subscriptions) | |
|> Subscription.send "webSocket" "[\"fun\",\"sun\",\"beach\"]" | |
|> Markup.target "#items li" | |
|> Markup.expect (elements <| | |
(atIndex 0 <| hasText "fun") <&&> | |
(atIndex 1 <| hasText "sun") <&&> | |
(atIndex 2 <| hasText "beach") | |
) | |
] | |
] |
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