Merge branch 'elm-test' into 3-state-manager
commit
acfeabb39e
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@ -1,7 +1,7 @@
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module Internal.Tools.Hashdict exposing
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( Hashdict
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, empty, singleton, insert, remove, removeKey
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, isEmpty, member, memberKey, get, size
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, isEmpty, member, memberKey, get, size, isEqual
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, keys, values, toList, fromList
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, rehash, union
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, encode, decoder, softDecoder
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@ -25,7 +25,7 @@ This allows you to store values based on an externally defined identifier.
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## Query
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@docs isEmpty, member, memberKey, get, size
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@docs isEmpty, member, memberKey, get, size, isEqual
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## Lists
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@ -151,6 +151,14 @@ insert v (Hashdict h) =
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Hashdict { h | values = Dict.insert (h.hash v) v h.values }
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{-| Since the Hashdict contains a hash function, the == operator does not work
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simply. Instead, you should use the isEqual operator.
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-}
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isEqual : Hashdict a -> Hashdict a -> Bool
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isEqual h1 h2 =
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toList h1 == toList h2
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{-| Determine if a hashdict is empty.
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-}
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isEmpty : Hashdict a -> Bool
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@ -0,0 +1,174 @@
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module Test.Tools.Hashdict exposing (..)
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import Expect
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import Fuzz exposing (Fuzzer)
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import Internal.Tools.Hashdict as Hashdict exposing (Hashdict)
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import Internal.Values.Event as Event
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import Json.Decode as D
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import Json.Encode as E
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import Test exposing (..)
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import Test.Values.Event as TestEvent
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fuzzer : (a -> String) -> Fuzzer a -> Fuzzer (Hashdict a)
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fuzzer toHash fuz =
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Fuzz.map (Hashdict.fromList toHash) (Fuzz.list fuz)
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eventFuzzer : Fuzzer (Hashdict Event.Event)
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eventFuzzer =
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fuzzer .eventId TestEvent.fuzzer
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suite : Test
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suite =
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describe "Hashdict"
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[ describe "empty"
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[ test "empty isEmpty"
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(Hashdict.empty identity
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|> Hashdict.isEmpty
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|> Expect.equal True
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|> always
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)
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, fuzz TestEvent.fuzzer
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"Nothing is member"
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(\event ->
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Hashdict.empty .eventId
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|> Hashdict.member event
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|> Expect.equal False
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)
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, fuzz Fuzz.string
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"No key is member"
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(\key ->
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Hashdict.empty identity
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|> Hashdict.memberKey key
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|> Expect.equal False
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)
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, fuzz Fuzz.string
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"Get gets Nothing"
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(\key ->
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Hashdict.empty identity
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|> Hashdict.get key
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|> Expect.equal Nothing
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)
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, test "Size is zero"
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(Hashdict.empty identity
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|> Hashdict.size
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|> Expect.equal 0
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|> always
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)
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, test "No keys"
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(Hashdict.empty identity
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|> Hashdict.keys
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|> Expect.equal []
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|> always
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)
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, test "No values"
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(Hashdict.empty identity
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|> Hashdict.values
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|> Expect.equal []
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|> always
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)
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, test "To list is []"
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(Hashdict.empty identity
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|> Hashdict.toList
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|> Expect.equal []
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|> always
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)
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, test "From list is empty"
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([]
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|> Hashdict.fromList (\x -> x)
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|> Hashdict.isEqual (Hashdict.empty identity)
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|> Expect.equal True
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|> always
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)
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, test "Empty + empty == empty"
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(Hashdict.empty identity
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|> Hashdict.union (Hashdict.empty String.toUpper)
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|> Hashdict.isEqual (Hashdict.empty String.toLower)
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|> Expect.equal True
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|> always
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)
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, fuzz (Fuzz.intRange 0 10)
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"JSON encode -> JSON decode"
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(\indent ->
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Hashdict.empty identity
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|> Hashdict.encode E.string
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|> E.encode indent
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|> D.decodeString (Hashdict.decoder identity D.string)
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|> Result.map (Hashdict.isEqual (Hashdict.empty String.toUpper))
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|> Expect.equal (Ok True)
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)
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]
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, describe "singleton"
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[ fuzz TestEvent.fuzzer
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"singletong = empty + insert"
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(\event ->
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Hashdict.empty .eventId
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|> Hashdict.insert event
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|> Hashdict.isEqual (Hashdict.singleton .eventId event)
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|> Expect.equal True
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)
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, fuzz TestEvent.fuzzer
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"Singleton - event = empty"
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(\event ->
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Hashdict.singleton .eventId event
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|> Hashdict.remove event
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|> Hashdict.isEqual (Hashdict.empty .sender)
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|> Expect.equal True
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)
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, fuzz TestEvent.fuzzer
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"Singletong - event (key) = empty"
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(\event ->
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Hashdict.singleton .eventId event
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|> Hashdict.removeKey event.eventId
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|> Hashdict.isEqual (Hashdict.empty .sender)
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|> Expect.equal True
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)
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, fuzz TestEvent.fuzzer
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"not isEmpty"
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(\event ->
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Hashdict.singleton .eventId event
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|> Hashdict.isEmpty
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|> Expect.equal False
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)
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, fuzz TestEvent.fuzzer
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"member"
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(\event ->
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Hashdict.singleton .eventId event
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|> Hashdict.member event
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|> Expect.equal True
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)
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, fuzz TestEvent.fuzzer
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"memberKey"
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(\event ->
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Hashdict.singleton .eventId event
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|> Hashdict.memberKey event.eventId
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|> Expect.equal True
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)
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, fuzz TestEvent.fuzzer
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"False memberKey"
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(\event ->
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if event.eventId == event.roomId then
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Expect.pass
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else
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Hashdict.singleton .eventId event
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|> Hashdict.memberKey event.roomId
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|> Expect.equal False
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)
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]
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, describe "JSON"
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[ fuzz2 eventFuzzer
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(Fuzz.intRange 0 10)
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"JSON encode -> JSON decode"
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(\hashdict indent ->
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hashdict
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|> Hashdict.encode Event.encode
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|> E.encode indent
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|> D.decodeString (Hashdict.decoder .eventId Event.decoder)
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|> Result.map Hashdict.toList
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|> Expect.equal (Ok <| Hashdict.toList hashdict)
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)
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]
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]
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