41 lines
1.5 KiB
FSharp
41 lines
1.5 KiB
FSharp
module NightLight.Core.Tests.InteractionListGenerators
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open FsCheck.FSharp
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open NightLight.Core.Models
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open NightLight.Core.Tests.GenHelpers
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open NightLight.Core.Tests.TimeChangedGenerators
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let private genHumanInteraction biasTowardsLight =
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let genLightInteraction =
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Gen.oneof [ Gen.constant biasTowardsLight; Gen.elements lights ]
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|> Gen.bind (fun light -> Gen.elements [ LightPoweredOn light; LightPoweredOff light ])
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let genRemoteInteraction =
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Gen.elements [ RemotePressedOnButton; RemotePressedOffButton ]
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Gen.oneof [ genLightInteraction; genRemoteInteraction ]
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|> Gen.map Interaction.HumanInteraction
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let private genInteraction biasTowardsLight =
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Gen.oneof [ genTimeChanged; genHumanInteraction biasTowardsLight ]
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let private genInteractionsListThatStartsWithTimeChanged biasTowardsLight =
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[ genTimeChanged |> Gen.map List.singleton
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Gen.listOf <| genInteraction biasTowardsLight ]
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|> concatGens
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let genInitialInteractionsAndEndWith biasTowardsLight (endsWith: Interaction) =
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let genNonTrivialList =
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genInteractionsListThatStartsWithTimeChanged biasTowardsLight
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|> Gen.map (fun lst -> lst @ [ endsWith ])
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match endsWith with
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| Interaction.TimeChanged _ ->
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let genTrivialList = Gen.constant <| List.singleton endsWith
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Gen.frequency [ 1, genTrivialList; 9, genNonTrivialList ]
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| _ -> genNonTrivialList
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let genInteractionsExcept biasTowardsLight disqualifier =
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genInteraction biasTowardsLight
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|> Gen.filter (not << disqualifier)
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|> Gen.listOf
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