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Improve generator names to show that they are biased

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This commit is contained in:
Sven van Heugten 2026-01-16 20:23:13 +01:00
parent 7af3827214
commit a9331853c0
2 changed files with 15 additions and 15 deletions
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6
NightLight.Core.Tests/InteractionListGenerators.fs
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@ -17,13 +17,13 @@ let private genRemoteInteraction =
let private genInteraction biasTowardsLight =
Gen.oneof [ genTimeChanged; genHumanInteraction biasTowardsLight; genRemoteInteraction ]
let genInteractionsExcept biasTowardsLight disqualifier =
let genBiasedInteractionsExcept biasTowardsLight disqualifier =
genInteraction biasTowardsLight
|> Gen.filter (not << disqualifier)
|> Gen.listOf
let genInteractions biasTowardsLight =
genInteractionsExcept biasTowardsLight (fun _ -> false)
let genBiasedInteractions biasTowardsLight =
genBiasedInteractionsExcept biasTowardsLight (fun _ -> false)
let ensureStartsWithTimeChanged (genInteractions: Gen<Interaction list>) =
genInteractions

24
NightLight.Core.Tests/NightLightTests.fs
View file

@ -27,7 +27,7 @@ type NightLightTests() =
[<Property(Arbitrary = [| typeof<ArbitraryLight> |])>]
let ``All lights should be either off, white or yellow during the day`` (light: Light) =
genInteractions light
genBiasedInteractions light
|> ensurePartOfDayIs Day
|> ensureStartsWithTimeChanged
|> Arb.fromGen
@ -41,7 +41,7 @@ type NightLightTests() =
[<Property(Arbitrary = [| typeof<ArbitraryLight> |])>]
let ``All lights should be either off or red during the night`` (light: Light) =
genInteractions light
genBiasedInteractions light
|> ensurePartOfDayIs Night
|> ensureStartsWithTimeChanged
|> Arb.fromGen
@ -55,7 +55,7 @@ type NightLightTests() =
[<Property(Arbitrary = [| typeof<ArbitraryNonRemotelyControlledLight> |])>]
let ``All non-remotely controlled lights with power should be on`` (light: Light) =
genInteractions light
genBiasedInteractions light
|> ensureLightHasPower light
|> ensureStartsWithTimeChanged
|> Arb.fromGen
@ -66,7 +66,7 @@ type NightLightTests() =
[<Property(Arbitrary = [| typeof<ArbitraryRemotelyControlledLight> |])>]
let ``If the remote was never used, all remote controlled lights with power should be on`` (light: Light) =
genInteractionsExcept light _.IsRemoteInteraction
genBiasedInteractionsExcept light _.IsRemoteInteraction
|> ensureLightHasPower light
|> ensureStartsWithTimeChanged
|> Arb.fromGen
@ -79,7 +79,7 @@ type NightLightTests() =
let ``If the last button that was pressed on the remote is 'On', all remotely controlled lights with power should be on``
(light: Light)
=
genInteractions light
genBiasedInteractions light
|> ensureLastRemoteInteractionIs RemotePressedOnButton
|> ensureLightHasPower light
|> ensureStartsWithTimeChanged
@ -94,9 +94,9 @@ type NightLightTests() =
(light: Light)
=
concatGens
[ genInteractions light |> ensurePartOfDayIs Night
[ genBiasedInteractions light |> ensurePartOfDayIs Night
genTimeChangedToPartOfDay Day |> Gen.map List.singleton
genInteractionsExcept light _.IsRemoteInteraction ]
genBiasedInteractionsExcept light _.IsRemoteInteraction ]
|> ensureStartsWithTimeChanged
|> ensureLightHasPower light
|> Arb.fromGen
@ -110,9 +110,9 @@ type NightLightTests() =
(light: Light)
=
concatGens
[ genInteractions light
[ genBiasedInteractions light
RemoteInteraction RemotePressedOffButton |> List.singleton |> Gen.constant
genInteractionsExcept light (fun interaction ->
genBiasedInteractionsExcept light (fun interaction ->
interaction.IsRemoteInteraction || interaction |> isTimeChangedToPartOfDay Day) ]
|> ensureStartsWithTimeChanged
|> Arb.fromGen
@ -125,7 +125,7 @@ type NightLightTests() =
let ``If the last button that was pressed on the remote is 'Left', all left-side remotely controlled lights with power should be on``
(light: Light)
=
genInteractions light
genBiasedInteractions light
|> ensureLastRemoteInteractionIs RemotePressedLeftButton
|> ensureStartsWithTimeChanged
|> ensureLightHasPower light
@ -140,9 +140,9 @@ type NightLightTests() =
(light: Light)
=
concatGens
[ genInteractions light
[ genBiasedInteractions light
RemoteInteraction RemotePressedLeftButton |> List.singleton |> Gen.constant
genInteractionsExcept light (fun interaction ->
genBiasedInteractionsExcept light (fun interaction ->
interaction.IsRemoteInteraction || interaction |> isTimeChangedToPartOfDay Day) ]
|> ensureStartsWithTimeChanged
|> Arb.fromGen