elm-matrix-sdk-beta/tests/Test/Tools/Mashdict.elm

206 lines
7.3 KiB
Elm

module Test.Tools.Mashdict exposing (..)
import Expect
import Fuzz exposing (Fuzzer)
import Internal.Tools.Json as Json
import Internal.Tools.Mashdict as Mashdict exposing (Mashdict)
import Internal.Values.Event as Event
import Json.Decode as D
import Json.Encode as E
import Test exposing (..)
import Test.Values.Event as TestEvent
fuzzer : (a -> Maybe String) -> Fuzzer a -> Fuzzer (Mashdict a)
fuzzer toHash fuz =
Fuzz.map (Mashdict.fromList toHash) (Fuzz.list fuz)
eventFuzzer : Fuzzer (Mashdict Event.Event)
eventFuzzer =
fuzzer .stateKey TestEvent.fuzzer
suite : Test
suite =
describe "Mashdict"
[ describe "empty"
[ test "empty isEmpty"
(Mashdict.empty identity
|> Mashdict.isEmpty
|> Expect.equal True
|> always
)
, fuzz TestEvent.fuzzer
"Nothing is member"
(\event ->
Mashdict.empty .stateKey
|> Mashdict.member event
|> Expect.equal False
)
, fuzz Fuzz.string
"No key is member"
(\key ->
Mashdict.empty identity
|> Mashdict.memberKey key
|> Expect.equal False
)
, fuzz Fuzz.string
"Get gets Nothing"
(\key ->
Mashdict.empty identity
|> Mashdict.get key
|> Expect.equal Nothing
)
, test "Size is zero"
(Mashdict.empty identity
|> Mashdict.size
|> Expect.equal 0
|> always
)
, test "No keys"
(Mashdict.empty identity
|> Mashdict.keys
|> Expect.equal []
|> always
)
, test "No values"
(Mashdict.empty identity
|> Mashdict.values
|> Expect.equal []
|> always
)
, test "To list is []"
(Mashdict.empty identity
|> Mashdict.toList
|> Expect.equal []
|> always
)
, test "From list is empty"
([]
|> Mashdict.fromList (\x -> x)
|> Mashdict.isEqual (Mashdict.empty identity)
|> Expect.equal True
|> always
)
, test "Empty + empty == empty"
(Mashdict.empty Maybe.Just
|> Mashdict.union (Mashdict.empty Maybe.Just)
|> Mashdict.isEqual (Mashdict.empty Maybe.Just)
|> Expect.equal True
|> always
)
, fuzz (Fuzz.intRange 0 10)
"JSON encode -> JSON decode"
(\indent ->
Mashdict.empty Just
|> Json.encode (Mashdict.coder Just Json.string)
|> E.encode indent
|> D.decodeString (Json.decode <| Mashdict.coder Just Json.string)
|> Result.map (Tuple.mapFirst <| Mashdict.isEqual (Mashdict.empty Just))
|> Expect.equal (Ok ( True, [] ))
)
]
, describe "singleton"
[ fuzz TestEvent.fuzzer
"singleton = empty + insert"
(\event ->
Mashdict.empty .stateKey
|> Mashdict.insert event
|> Mashdict.isEqual (Mashdict.singleton .stateKey event)
|> Expect.equal True
)
, fuzz TestEvent.fuzzer
"singleton - event = empty"
(\event ->
Mashdict.singleton .stateKey event
|> Mashdict.remove event
|> Mashdict.isEqual (Mashdict.empty (always Nothing))
|> Expect.equal True
)
, fuzz TestEvent.fuzzer
"singleton - event (key) = empty"
(\event ->
case event.stateKey of
Just key ->
Mashdict.singleton .stateKey event
|> Mashdict.removeKey key
|> Mashdict.isEqual (Mashdict.empty .stateKey)
|> Expect.equal True
Nothing ->
Expect.pass
)
, fuzz TestEvent.fuzzer
"Only isEmpty when not Nothing"
(\event ->
Expect.equal
(case event.stateKey of
Just _ ->
False
Nothing ->
True
)
(event
|> Mashdict.singleton .stateKey
|> Mashdict.isEmpty
)
)
, fuzz TestEvent.fuzzer
"member"
(\event ->
Expect.equal
(case event.stateKey of
Just _ ->
True
Nothing ->
False
)
(Mashdict.singleton .stateKey event
|> Mashdict.member event
)
)
, fuzz2 TestEvent.fuzzer
Fuzz.string
"memberKey"
(\event rkey ->
case event.stateKey of
Just key ->
Mashdict.singleton .stateKey event
|> Mashdict.memberKey key
|> Expect.equal True
Nothing ->
Mashdict.singleton .stateKey event
|> Mashdict.memberKey rkey
|> Expect.equal False
)
, fuzz TestEvent.fuzzer
"False memberKey"
(\event ->
if event.stateKey == Just event.roomId then
Expect.pass
else
Mashdict.singleton .stateKey event
|> Mashdict.memberKey event.roomId
|> Expect.equal False
)
]
, describe "JSON"
[ fuzz2 eventFuzzer
(Fuzz.intRange 0 10)
"JSON encode -> JSON decode"
(\hashdict indent ->
hashdict
|> Json.encode (Mashdict.coder .stateKey Event.coder)
|> E.encode indent
|> D.decodeString (Json.decode <| Mashdict.coder .stateKey Event.coder)
|> Result.map (Tuple.first >> Mashdict.toList)
|> Expect.equal (Ok (Mashdict.toList hashdict))
)
]
]