elm-matrix-sdk-beta/tests/Test/Values/StateManager.elm

139 lines
4.6 KiB
Elm

module Test.Values.StateManager exposing (..)
import Expect
import Fuzz exposing (Fuzzer)
import Internal.Values.StateManager as StateManager exposing (StateManager)
import Json.Decode as D
import Json.Encode as E
import Test exposing (..)
import Test.Values.Event as TestEvent
fuzzer : Fuzzer StateManager
fuzzer =
TestEvent.fuzzer
|> Fuzz.list
|> Fuzz.map StateManager.fromList
fuzzerKey : Fuzzer { eventType : String, stateKey : String }
fuzzerKey =
Fuzz.map2
(\a b -> { eventType = a, stateKey = b })
Fuzz.string
Fuzz.string
suite : Test
suite =
describe "StateManager"
[ describe "empty"
[ test "empty isEmpty"
(StateManager.empty
|> StateManager.isEmpty
|> Expect.equal True
|> always
)
, fuzz TestEvent.fuzzer
"empty has no member"
(\event ->
StateManager.empty
|> StateManager.member event
|> Expect.equal False
)
, fuzz fuzzerKey
"empty has no memberKey"
(\key ->
StateManager.empty
|> StateManager.memberKey key
|> Expect.equal False
)
, fuzz fuzzerKey
"Empty gets Nothing"
(\key ->
StateManager.empty
|> StateManager.get key
|> Expect.equal Nothing
)
, test "Empty has no keys"
(StateManager.empty
|> StateManager.keys
|> Expect.equal []
|> always
)
, test "Empty has no values"
(StateManager.empty
|> StateManager.values
|> Expect.equal []
|> always
)
, test "toList empty equals []"
(StateManager.empty
|> StateManager.toList
|> Expect.equal []
|> always
)
, test "fromList [] equals empty"
([]
|> StateManager.fromList
|> Expect.equal StateManager.empty
|> always
)
, test "JSON encode -> JSON decode remains empty"
(StateManager.empty
|> StateManager.encode
|> E.encode 0
|> D.decodeString StateManager.decoder
|> Expect.equal (Ok ( StateManager.empty, [] ))
|> always
)
]
, describe "singleton"
[ fuzz TestEvent.fuzzerState
"singleton = empty + event"
(\event ->
StateManager.empty
|> StateManager.insert event
|> StateManager.isEqual (StateManager.singleton event)
|> Expect.equal True
)
, fuzz TestEvent.fuzzerState
"singleton - event = empty"
(\event ->
StateManager.singleton event
|> StateManager.remove event
|> StateManager.isEqual StateManager.empty
|> Expect.equal True
)
, fuzz TestEvent.fuzzerState
"singleton has one member"
(\event ->
StateManager.singleton event
|> StateManager.member event
|> Expect.equal True
)
-- , fuzz2 TestEvent.fuzzerState TestEvent.fuzzerState
-- "singleton has no other members"
-- (\e1 e2 ->
-- if (Debug.log "To compare" e1) == e2 then
-- Expect.pass
-- else
-- ()
-- |> Debug.log "Not equal"
-- |> always (StateManager.singleton e1)
-- |> StateManager.member e2
-- |> Expect.equal False
-- )
, fuzz TestEvent.fuzzerState
"singleton has one value"
(\event ->
StateManager.singleton event
|> StateManager.values
|> Expect.equal [ event ]
)
]
-- Write other tests here
]