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

196 lines
7.1 KiB
Elm

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