89 lines
2.8 KiB
FSharp
89 lines
2.8 KiB
FSharp
namespace NightLight.Core.Tests
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open System
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open System.Text.RegularExpressions
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open NightLight.Core.Models
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open NightLight.Core.Core
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open FsToolkit.ErrorHandling
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open FSharp.Data
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type HumanInteraction =
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| LightTurnedOn of Light
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| LightTurnedOff of Light
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type Interaction =
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| HumanInteraction of HumanInteraction
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| TimeChanged of DateTime
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type LightState =
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| Off
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| On of Brightness: byte
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type FakeLight(light: Light) =
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let mutable hasPower = false
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let mutable brightness: byte = 255uy
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member _.LightWithState = light, if hasPower then On brightness else Off
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member _.TurnOn() = hasPower <- true
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member _.TurnOff() = hasPower <- false
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member _.SetBrightness(newBrightness: byte) =
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if hasPower then
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brightness <- newBrightness
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type FakeHome(now: DateTime) =
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let mutable nightLightStateMachine = NightLightStateMachine now
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let assertIsOkAndGet result =
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match result with
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| Ok value -> value
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| Error error -> failwith $"Expected Ok, got Error {error}"
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let friendlyNameToFakeLight =
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lights
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|> Seq.map (fun light -> light.FriendlyName, FakeLight light)
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|> Map.ofSeq
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let processCommand command =
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option {
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let! friendlyName =
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let m = Regex.Match(command.Topic, "^zigbee2mqtt/(.+)/set$")
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if m.Success then Some m.Groups.[1].Value else None
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let! fakeLight = Map.tryFind friendlyName friendlyNameToFakeLight
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let parsedPayload = JsonValue.Parse command.Payload
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match parsedPayload.TryGetProperty "brightness" with
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| Some(JsonValue.Number newBrightness) -> fakeLight.SetBrightness(byte newBrightness)
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| None -> ()
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| value -> failwith $"Unexpected brightness value {value}"
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}
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|> ignore
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let sendEvent event =
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let newState, commands =
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event |> nightLightStateMachine.OnEventReceived |> assertIsOkAndGet
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commands |> Seq.iter processCommand
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nightLightStateMachine <- newState
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member _.LightStates = friendlyNameToFakeLight.Values |> Seq.map _.LightWithState
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member _.Interact(interaction: Interaction) =
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match interaction with
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| HumanInteraction(LightTurnedOn light) ->
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friendlyNameToFakeLight[light.FriendlyName].TurnOn()
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{ Topic = "zigbee2mqtt/bridge/event"
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Payload =
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$@"{{
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""type"": ""device_announce"",
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""data"": {{ ""friendly_name"": ""{light.FriendlyName}"" }}
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}}" }
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|> ReceivedZigbeeEvent
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|> sendEvent
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| HumanInteraction(LightTurnedOff light) -> friendlyNameToFakeLight[light.FriendlyName].TurnOff()
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| TimeChanged time -> time |> Event.TimeChanged |> sendEvent
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