elm-pages-v3-beta/tests/StaticHttpRequestsTests.elm
2022-11-07 11:39:06 +05:30

924 lines
36 KiB
Elm

module StaticHttpRequestsTests exposing (all)
import ApiRoute
import Bytes.Decode
import Bytes.Encode
import Codec
import DataSource exposing (DataSource)
import DataSource.Http
import Dict
import Expect
import Html
import Json.Decode as JD exposing (Decoder)
import Json.Encode as Encode
import Pages.Internal.Platform.Cli exposing (..)
import Pages.Internal.Platform.Effect as Effect exposing (Effect)
import Pages.Internal.Platform.ToJsPayload as ToJsPayload
import Pages.ProgramConfig exposing (ProgramConfig)
import Pages.SiteConfig exposing (SiteConfig)
import Pages.StaticHttp.Request as Request
import Path
import ProgramTest exposing (ProgramTest)
import Regex
import RenderRequest
import RequestsAndPending exposing (ResponseBody(..))
import Server.Response as Response
import SimulatedEffect.Cmd
import SimulatedEffect.Ports
import Test exposing (Test, describe, test)
all : Test
all =
describe "Static Http Requests"
[ test "initial requests are sent out" <|
\() ->
startSimple []
(DataSource.Http.get "https://api.github.com/repos/dillonkearns/elm-pages" starDecoder)
|> simulateHttp
(get "https://api.github.com/repos/dillonkearns/elm-pages")
(JsonBody
(Encode.object [ ( "stargazer_count", Encode.int 86 ) ])
)
|> expectSuccess []
, test "StaticHttp request for initial are resolved" <|
\() ->
startSimple
[ "post-1" ]
(DataSource.Http.get "https://api.github.com/repos/dillonkearns/elm-pages" starDecoder)
|> simulateHttp
(get "https://api.github.com/repos/dillonkearns/elm-pages")
(JsonBody
(Encode.object [ ( "stargazer_count", Encode.int 86 ) ])
)
|> expectSuccess []
, describe "single page renders"
[ test "single pages that are pre-rendered" <|
\() ->
startSimple [ "post-1" ]
(DataSource.Http.get "https://api.github.com/repos/dillonkearns/elm-pages" starDecoder)
|> simulateHttp
(get "https://api.github.com/repos/dillonkearns/elm-pages")
(JsonBody
(Encode.object [ ( "stargazer_count", Encode.int 86 ) ])
)
|> ProgramTest.expectOutgoingPortValues
"toJsPort"
(Codec.decoder (ToJsPayload.successCodecNew2 "" ""))
(\actualPorts ->
case actualPorts of
[ ToJsPayload.PageProgress portData ] ->
portData.is404
|> Expect.false "Expected page to be found and rendered"
_ ->
Expect.fail <| "Expected exactly 1 port of type PageProgress. Instead, got \n" ++ Debug.toString actualPorts
)
]
, test "the stripped JSON from the same request with different decoders is merged so the decoders succeed" <|
\() ->
startSimple
[ "post-1" ]
(DataSource.map2 Tuple.pair
(DataSource.Http.get "https://api.github.com/repos/dillonkearns/elm-pages"
(JD.field "stargazer_count" JD.int)
)
(DataSource.Http.get "https://api.github.com/repos/dillonkearns/elm-pages"
(JD.field "language" JD.string)
)
)
|> simulateHttp
(get "https://api.github.com/repos/dillonkearns/elm-pages")
(JsonBody
(Encode.object
[ ( "stargazer_count", Encode.int 86 )
, ( "language", Encode.string "Elm" )
]
)
)
|> expectSuccess []
, test "andThen" <|
\() ->
startSimple
[ "elm-pages" ]
(DataSource.Http.get "https://api.github.com/repos/dillonkearns/elm-pages" (JD.succeed ())
|> DataSource.andThen
(\_ ->
DataSource.Http.get "NEXT-REQUEST" (JD.succeed ())
)
)
|> simulateHttp
(get "https://api.github.com/repos/dillonkearns/elm-pages")
(JsonBody Encode.null)
|> simulateHttp
(get "NEXT-REQUEST")
(JsonBody Encode.null)
|> expectSuccess []
, test "andThen chain avoids repeat requests" <|
\() ->
let
pokemonDetailRequest : DataSource ()
pokemonDetailRequest =
DataSource.Http.get
"https://pokeapi.co/api/v2/pokemon/"
(JD.list
(JD.field "url" JD.string
|> JD.map
(\url ->
DataSource.Http.get url
(JD.field "image" JD.string)
)
)
)
|> DataSource.resolve
|> DataSource.map (\_ -> ())
in
startSimple
[ "elm-pages" ]
pokemonDetailRequest
|> simulateMultipleHttp
[ ( get "https://pokeapi.co/api/v2/pokemon/"
, jsonBody """[
{"url": "url1"},
{"url": "url2"},
{"url": "url3"},
{"url": "url4"},
{"url": "url5"},
{"url": "url6"},
{"url": "url7"},
{"url": "url8"},
{"url": "url9"},
{"url": "url10"}
]"""
)
, ( get "url1"
, jsonBody """{"image": "image1.jpg"}"""
)
, ( get "url2"
, jsonBody """{"image": "image2.jpg"}"""
)
, ( get "url3"
, jsonBody """{"image": "image3.jpg"}"""
)
, ( get "url4"
, jsonBody """{"image": "image4.jpg"}"""
)
, ( get "url5"
, jsonBody """{"image": "image5.jpg"}"""
)
, ( get "url6"
, jsonBody """{"image": "image6.jpg"}"""
)
, ( get "url7"
, jsonBody """{"image": "image7.jpg"}"""
)
, ( get "url8"
, jsonBody """{"image": "image8.jpg"}"""
)
, ( get "url9"
, jsonBody """{"image": "image9.jpg"}"""
)
, ( get "url10"
, jsonBody """{"image": "image10.jpg"}"""
)
]
|> expectSuccess []
--, test "port is sent out once all requests are finished" <|
-- \() ->
-- start
-- [ ( [ "elm-pages" ]
-- , DataSource.Http.get (Secrets.succeed "https://api.github.com/repos/dillonkearns/elm-pages") starDecoder
-- )
-- , ( [ "elm-pages-starter" ]
-- , DataSource.Http.get (Secrets.succeed "https://api.github.com/repos/dillonkearns/elm-pages-starter") starDecoder
-- )
-- ]
-- |> ProgramTest.simulateHttpOk
-- "GET"
-- "https://api.github.com/repos/dillonkearns/elm-pages"
-- """{ "stargazer_count": 86 }"""
-- |> ProgramTest.simulateHttpOk
-- "GET"
-- "https://api.github.com/repos/dillonkearns/elm-pages-starter"
-- """{ "stargazer_count": 22 }"""
-- |> expectSuccess
-- [ ( "elm-pages"
-- , [ ( get "https://api.github.com/repos/dillonkearns/elm-pages"
-- , """{"stargazer_count":86}"""
-- )
-- ]
-- )
-- , ( "elm-pages-starter"
-- , [ ( get "https://api.github.com/repos/dillonkearns/elm-pages-starter"
-- , """{"stargazer_count":22}"""
-- )
-- ]
-- )
-- ]
, test "reduced JSON is sent out" <|
\() ->
startSimple []
(DataSource.Http.get "https://api.github.com/repos/dillonkearns/elm-pages" (JD.field "stargazer_count" JD.int))
|> simulateHttp
(get "https://api.github.com/repos/dillonkearns/elm-pages")
(jsonBody """{ "stargazer_count": 86, "unused_field": 123 }""")
|> expectSuccess []
, test "you can use elm/json decoders with StaticHttp.unoptimizedRequest" <|
\() ->
startSimple []
(DataSource.Http.request
{ url = "https://api.github.com/repos/dillonkearns/elm-pages"
, method = "GET"
, headers = []
, body = DataSource.Http.emptyBody
}
(DataSource.Http.expectJson
(JD.field "stargazer_count" JD.int)
)
)
|> simulateHttp
(get "https://api.github.com/repos/dillonkearns/elm-pages")
(jsonBody """{ "stargazer_count": 86, "unused_field": 123 }""")
|> expectSuccess []
, test "plain string" <|
\() ->
startSimple []
(DataSource.Http.request
{ url = "https://example.com/file.txt"
, method = "GET"
, headers = []
, body = DataSource.Http.emptyBody
}
DataSource.Http.expectString
)
|> simulateHttp
{ method = "GET"
, url = "https://example.com/file.txt"
, headers =
[]
, body = DataSource.Http.emptyBody
, useCache = True
}
(StringBody "This is a raw text file.")
|> expectSuccess []
, test "Err in String to Result function turns into decode error" <|
\() ->
startSimple []
(DataSource.Http.request
{ url = "https://example.com/file.txt"
, method = "GET"
, headers = []
, body = DataSource.Http.emptyBody
}
DataSource.Http.expectString
|> DataSource.map
(\string ->
if String.toUpper string == string then
Ok string
else
Err "String was not uppercased"
)
|> DataSource.andThen DataSource.fromResult
)
|> simulateHttp
(get "https://example.com/file.txt")
(StringBody "This is a raw text file.")
|> ProgramTest.expectOutgoingPortValues
"toJsPort"
(Codec.decoder (ToJsPayload.successCodecNew2 "" ""))
(expectErrorsPort
"""-- CALLED STATIC HTTP FAIL ----------------------------------------------------- elm-pages
I ran into a call to `DataSource.fail` with message: String was not uppercased"""
)
, test "POST method works" <|
\() ->
startSimple []
(DataSource.Http.request
{ method = "POST"
, url = "https://api.github.com/repos/dillonkearns/elm-pages"
, headers = []
, body = DataSource.Http.emptyBody
}
(DataSource.Http.expectJson
(JD.field "stargazer_count" JD.int)
)
)
|> simulateHttp
(post "https://api.github.com/repos/dillonkearns/elm-pages")
(jsonBody """{ "stargazer_count": 86, "unused_field": 123 }""")
|> expectSuccess []
, test "json is reduced from andThen chains" <|
\() ->
startSimple []
(DataSource.Http.get "https://api.github.com/repos/dillonkearns/elm-pages" (JD.field "stargazer_count" JD.int)
|> DataSource.andThen
(\_ ->
DataSource.Http.get "https://api.github.com/repos/dillonkearns/elm-pages-starter" (JD.field "stargazer_count" JD.int)
)
)
|> simulateHttp
(get "https://api.github.com/repos/dillonkearns/elm-pages")
(jsonBody """{ "stargazer_count": 100, "unused_field": 123 }""")
|> simulateHttp
(get "https://api.github.com/repos/dillonkearns/elm-pages-starter")
(jsonBody """{ "stargazer_count": 50, "unused_field": 456 }""")
|> expectSuccess []
, test "reduced json is preserved by StaticHttp.map2" <|
\() ->
startSimple []
(DataSource.map2 (\_ _ -> ())
(DataSource.Http.get "https://api.github.com/repos/dillonkearns/elm-pages" (JD.field "stargazer_count" JD.int))
(DataSource.Http.get "https://api.github.com/repos/dillonkearns/elm-pages-starter" (JD.field "stargazer_count" JD.int))
)
|> simulateMultipleHttp
[ ( get "https://api.github.com/repos/dillonkearns/elm-pages"
, jsonBody """{ "stargazer_count": 100, "unused_field": 123 }"""
)
, ( get "https://api.github.com/repos/dillonkearns/elm-pages-starter"
, jsonBody """{ "stargazer_count": 50, "unused_field": 456 }"""
)
]
|> expectSuccess []
, test "the port sends out even if there are no http requests" <|
\() ->
start
[ ( []
, DataSource.succeed ()
)
]
|> expectSuccess []
, test "the port sends out when there are duplicate http requests for the same page" <|
\() ->
startSimple []
(DataSource.map2 (\_ _ -> ())
(DataSource.Http.get "http://example.com" (JD.succeed ()))
(DataSource.Http.get "http://example.com" (JD.succeed ()))
)
|> simulateHttp
(get "http://example.com")
(jsonBody """null""")
|> expectSuccess []
, test "an error is sent out for decoder failures" <|
\() ->
startSimple [ "elm-pages" ]
(DataSource.Http.get "https://api.github.com/repos/dillonkearns/elm-pages" (JD.fail "The user should get this message from the CLI."))
|> simulateHttp
(get "https://api.github.com/repos/dillonkearns/elm-pages")
(jsonBody """{ "stargazer_count": 86 }""")
|> ProgramTest.expectOutgoingPortValues
"toJsPort"
(Codec.decoder (ToJsPayload.successCodecNew2 "" ""))
(expectErrorsPort
"""-- STATIC HTTP DECODING ERROR ----------------------------------------------------- elm-pages
Problem with the given value:
{
"stargazer_count": 86
}
The user should get this message from the CLI."""
)
]
type Route
= Route String
start : List ( List String, DataSource a ) -> ProgramTest (Model Route) Msg Effect
start pages =
startWithHttpCache [] pages
startWithHttpCache :
List ( Request.Request, String )
-> List ( List String, DataSource a )
-> ProgramTest (Model Route) Msg Effect
startWithHttpCache =
startLowLevel []
startLowLevel :
List (ApiRoute.ApiRoute ApiRoute.Response)
-> List ( Request.Request, String )
-> List ( List String, DataSource a )
-> ProgramTest (Model Route) Msg Effect
startLowLevel apiRoutes staticHttpCache pages =
let
pageToLoad : List String
pageToLoad =
case pages |> List.head |> Maybe.map Tuple.first of
Just justPageToLoad ->
justPageToLoad
Nothing ->
Debug.todo "Error - no pages"
encodedFlags : Encode.Value
encodedFlags =
--{"secrets":
-- {"API_KEY": "ABCD1234","BEARER": "XYZ789"}, "mode": "prod", "staticHttpCache": {}
-- }
Encode.object
[ ( "secrets"
, [ ( "API_KEY", "ABCD1234" )
, ( "BEARER", "XYZ789" )
]
|> Dict.fromList
|> Encode.dict identity Encode.string
)
, ( "mode", Encode.string "prod" )
, ( "staticHttpCache", encodedStaticHttpCache )
, ( "compatibilityKey", Encode.int currentCompatibilityKey )
]
encodedStaticHttpCache : Encode.Value
encodedStaticHttpCache =
staticHttpCache
|> List.map
(\( request, httpResponseString ) ->
( Request.hash request, Encode.string httpResponseString )
)
|> Encode.object
in
{-
(Model -> model)
-> ContentCache.ContentCache metadata view
-> Result (List BuildError) (List ( PagePath, metadata ))
-> Config pathKey userMsg userModel metadata view
-> Decode.Value
-> ( model, Effect pathKey )
-}
ProgramTest.createDocument
{ init =
init
site
(RenderRequest.SinglePage
RenderRequest.OnlyJson
(RenderRequest.Page
{ path = Path.fromString (pageToLoad |> String.join "/")
, frontmatter = Route (pageToLoad |> String.join "/")
}
)
(Encode.object [])
)
(config apiRoutes pages)
, update = update site (config apiRoutes pages)
, view = \_ -> { title = "", body = [] }
}
|> ProgramTest.withSimulatedEffects simulateEffects
|> ProgramTest.start (flags (Encode.encode 0 encodedFlags))
site : SiteConfig
site =
{ canonicalUrl = "canonical-site-url"
, head = DataSource.succeed []
}
startSimple : List String -> DataSource a -> ProgramTest (Model Route) Msg Effect
startSimple route dataSources =
startWithRoutes route [ route ] [] [ ( route, dataSources ) ]
config : List (ApiRoute.ApiRoute ApiRoute.Response) -> List ( List String, DataSource a ) -> ProgramConfig Msg () Route () () () Effect mappedMsg ()
config apiRoutes pages =
{ toJsPort = toJsPort
, fromJsPort = fromJsPort
, init = \_ _ _ _ _ -> ( (), Effect.NoEffect )
, getStaticRoutes =
--StaticHttp.get (Secrets.succeed "https://my-cms.com/posts")
-- (Decode.field "posts" (Decode.list (Decode.string |> Decode.map Route)))
pages
|> List.map Tuple.first
|> List.map (String.join "/")
|> List.map Route
|> DataSource.succeed
, handleRoute = \_ -> DataSource.succeed Nothing
, urlToRoute = .path >> Route
, update = \_ _ _ _ _ _ _ _ -> ( (), Effect.NoEffect )
, basePath = []
, onActionData = \() -> Nothing
, data =
\(Route pageRoute) ->
let
thing : Maybe (DataSource a)
thing =
pages
|> Dict.fromList
|> Dict.get
(pageRoute
|> String.split "/"
|> List.filter (\pathPart -> pathPart /= "")
)
in
case thing of
Just request ->
request |> DataSource.map (\_ -> Response.render ())
Nothing ->
Debug.todo <| "Couldn't find page: " ++ pageRoute ++ "\npages: " ++ Debug.toString pages
, site = Just site
, view =
\_ _ _ page _ _ _ _ ->
let
thing : Maybe (DataSource a)
thing =
pages
|> Dict.fromList
|> Dict.get
(page.path |> Path.toSegments)
in
case thing of
Just _ ->
{ view = \_ -> { title = "Title", body = [ Html.text "" ] }, head = [] }
Nothing ->
Debug.todo <| "Couldn't find page: " ++ Debug.toString page ++ "\npages: " ++ Debug.toString pages
, subscriptions = \_ _ _ -> Sub.none
, routeToPath = \(Route route) -> route |> String.split "/"
, sharedData = DataSource.succeed ()
, onPageChange = \_ -> GotDataBatch []
, apiRoutes = \_ -> apiRoutes
, pathPatterns = []
, byteDecodePageData = \_ -> Bytes.Decode.fail
, sendPageData = \_ -> Cmd.none
, encodeResponse = \_ -> Bytes.Encode.signedInt8 0
, hotReloadData = Sub.none
, decodeResponse = Bytes.Decode.fail
, byteEncodePageData = \_ -> Bytes.Encode.signedInt8 0
, gotBatchSub = Sub.none
, globalHeadTags = Nothing
, perform = \_ _ -> Cmd.none
, cmdToEffect = \_ -> Effect.NoEffect
, errorStatusCode = \_ -> 404
, notFoundPage = ()
, notFoundRoute = Route "not-found"
, internalError = \_ -> ()
, errorPageToData = \_ -> ()
, action = \_ -> DataSource.fail "No action."
, encodeAction = \_ -> Bytes.Encode.signedInt8 0
}
startWithRoutes :
List String
-> List (List String)
-> List ( Request.Request, String )
-> List ( List String, DataSource a )
-> ProgramTest (Model Route) Msg Effect
startWithRoutes pageToLoad _ staticHttpCache pages =
let
encodedFlags : Encode.Value
encodedFlags =
--{"secrets":
-- {"API_KEY": "ABCD1234","BEARER": "XYZ789"}, "mode": "prod", "staticHttpCache": {}
-- }
Encode.object
[ ( "secrets"
, [ ( "API_KEY", "ABCD1234" )
, ( "BEARER", "XYZ789" )
]
|> Dict.fromList
|> Encode.dict identity Encode.string
)
, ( "staticHttpCache", encodedStaticHttpCache )
, ( "mode", Encode.string "dev-server" )
, ( "compatibilityKey", Encode.int currentCompatibilityKey )
]
encodedStaticHttpCache : Encode.Value
encodedStaticHttpCache =
staticHttpCache
|> List.map
(\( request, httpResponseString ) ->
( Request.hash request, Encode.string httpResponseString )
)
|> Encode.object
in
{-
(Model -> model)
-> ContentCache.ContentCache metadata view
-> Result (List BuildError) (List ( PagePath, metadata ))
-> Config pathKey userMsg userModel metadata view
-> Decode.Value
-> ( model, Effect pathKey )
-}
ProgramTest.createDocument
{ init =
init
site
(RenderRequest.SinglePage
RenderRequest.OnlyJson
(RenderRequest.Page
{ path = Path.fromString (pageToLoad |> String.join "/")
, frontmatter = Route (pageToLoad |> String.join "/")
}
)
(Encode.object [])
)
(config [] pages)
, update = update site (config [] pages)
, view = \_ -> { title = "", body = [] }
}
|> ProgramTest.withSimulatedEffects simulateEffects
|> ProgramTest.withSimulatedSubscriptions simulateSubscriptions
|> ProgramTest.start (flags (Encode.encode 0 encodedFlags))
flags : String -> JD.Value
flags jsonString =
case JD.decodeString JD.value jsonString of
Ok value ->
value
Err _ ->
Debug.todo "Invalid JSON value."
sendToJsPort : ToJsPayload.ToJsSuccessPayloadNewCombined -> ProgramTest.SimulatedEffect msg
sendToJsPort value =
SimulatedEffect.Ports.send "toJsPort" (value |> Codec.encoder (ToJsPayload.successCodecNew2 "" ""))
simulateEffects : Effect -> ProgramTest.SimulatedEffect Msg
simulateEffects effect =
case effect of
Effect.NoEffect ->
SimulatedEffect.Cmd.none
-- toJsPort value |> Cmd.map never
Effect.Batch list ->
list
|> List.map simulateEffects
|> SimulatedEffect.Cmd.batch
Effect.FetchHttp unmasked ->
if unmasked.url |> String.startsWith "port://" then
let
portName : String
portName =
String.dropLeft 7 unmasked.url
in
ToJsPayload.Port portName
|> sendToJsPort
|> SimulatedEffect.Cmd.map never
else
ToJsPayload.DoHttp
(unmasked
--|> withInternalHeader
)
True
|> sendToJsPort
|> SimulatedEffect.Cmd.map never
Effect.SendSinglePage info ->
SimulatedEffect.Cmd.batch
[ info
|> Codec.encoder (ToJsPayload.successCodecNew2 "" "")
|> SimulatedEffect.Ports.send "toJsPort"
, SimulatedEffect.Cmd.none
]
Effect.Continue ->
SimulatedEffect.Cmd.none
Effect.SendSinglePageNew _ toJsSuccessPayloadNewCombined ->
SimulatedEffect.Cmd.batch
[ toJsSuccessPayloadNewCombined
|> Codec.encoder (ToJsPayload.successCodecNew2 "" "")
|> SimulatedEffect.Ports.send "toJsPort"
, SimulatedEffect.Cmd.none
]
expectErrorsPort : String -> List ToJsPayload.ToJsSuccessPayloadNewCombined -> Expect.Expectation
expectErrorsPort expectedPlainString actualPorts =
case actualPorts |> List.reverse |> List.head of
Just (ToJsPayload.Errors actualRichTerminalString) ->
actualRichTerminalString
|> List.map .title
|> String.join "\n"
|> normalizeErrorExpectEqual expectedPlainString
Nothing ->
Expect.fail "Expected single error port. Didn't receive any ports."
_ ->
Expect.fail <| "Expected single error port. Got\n" ++ String.join "\n\n" (List.map Debug.toString actualPorts)
normalizeErrorExpectEqual : String -> String -> Expect.Expectation
normalizeErrorExpectEqual expectedPlainString actualRichTerminalString =
actualRichTerminalString
|> Regex.replace
-- strip out all possible ANSI sequences
(Regex.fromString "(\\x9B|\\x1B\\[)[0-?]*[ -/]*[@-~]"
|> Maybe.withDefault Regex.never
)
(\_ -> "")
|> String.replace "\u{001B}" ""
|> normalizeNewlines
|> Expect.equal
(expectedPlainString |> normalizeNewlines)
normalizeNewlines : String -> String
normalizeNewlines string =
string
|> Regex.replace
(Regex.fromString "(\n)+" |> Maybe.withDefault Regex.never)
(\_ -> "")
|> Regex.replace
(Regex.fromString "( )+" |> Maybe.withDefault Regex.never)
(\_ -> " ")
|> String.replace "\u{000D}" ""
|> Regex.replace
(Regex.fromString "\\s" |> Maybe.withDefault Regex.never)
(\_ -> "")
toJsPort : a -> Cmd msg
toJsPort _ =
Cmd.none
fromJsPort : Sub msg
fromJsPort =
Sub.none
starDecoder : Decoder Int
starDecoder =
JD.field "stargazer_count" JD.int
expectSuccess : List ( Request.Request, String ) -> ProgramTest model msg effect -> Expect.Expectation
expectSuccess expectedRequests previous =
expectSuccessNew expectedRequests [] previous
expectSuccessNew : List ( Request.Request, String ) -> List (ToJsPayload.ToJsSuccessPayloadNew -> Expect.Expectation) -> ProgramTest model msg effect -> Expect.Expectation
expectSuccessNew expectedRequest expectations previous =
previous
|> ProgramTest.expectOutgoingPortValues
"toJsPort"
(Codec.decoder (ToJsPayload.successCodecNew2 "" ""))
(\value ->
case value of
(ToJsPayload.PageProgress portPayload) :: _ ->
let
singleExpectation : ToJsPayload.ToJsSuccessPayloadNew -> Expect.Expectation
singleExpectation =
\subject ->
subject.contentJson
|> Expect.equal
(expectedRequest
|> List.map
(\( request, response ) ->
( Request.hash request, response )
)
|> Dict.fromList
)
in
portPayload
|> Expect.all
(singleExpectation
:: expectations
)
[ errorPort ] ->
Expect.fail <| "Expected success port. Got:\n" ++ Debug.toString errorPort
_ ->
Expect.fail ("Expected ports to be called once, but instead there were " ++ String.fromInt (List.length value) ++ " calls.")
)
simulateSubscriptions : a -> ProgramTest.SimulatedSub Msg
simulateSubscriptions _ =
-- TODO handle build errors or not needed?
SimulatedEffect.Ports.subscribe "gotBatchSub"
(RequestsAndPending.batchDecoder |> JD.map GotDataBatch)
identity
get : String -> Request.Request
get url =
{ method = "GET"
, url = url
, headers = []
, body = DataSource.Http.emptyBody
, useCache = True
}
post : String -> Request.Request
post url =
{ method = "POST"
, url = url
, headers = []
, body = DataSource.Http.emptyBody
, useCache = True
}
simulateHttp : Request.Request -> ResponseBody -> ProgramTest model msg effect -> ProgramTest model msg effect
simulateHttp request response program =
program
|> ProgramTest.ensureOutgoingPortValues
"toJsPort"
(Codec.decoder (ToJsPayload.successCodecNew2 "" ""))
(\actualPorts ->
case actualPorts of
[ ToJsPayload.DoHttp _ _ ] ->
Expect.pass
_ ->
Expect.fail <|
"Expected an HTTP request, got:\n"
++ Debug.toString actualPorts
)
|> ProgramTest.simulateIncomingPort "gotBatchSub"
(Encode.list (\req -> encodeBatchEntry req response)
[ request ]
)
simulateMultipleHttp : List ( Request.Request, ResponseBody ) -> ProgramTest model msg effect -> ProgramTest model msg effect
simulateMultipleHttp requests program =
program
|> ProgramTest.ensureOutgoingPortValues
"toJsPort"
(Codec.decoder (ToJsPayload.successCodecNew2 "" ""))
(\actualPorts ->
case actualPorts of
(ToJsPayload.DoHttp _ _) :: _ ->
-- TODO check count of HTTP requests, and check the URLs
Expect.pass
_ ->
Expect.fail <|
"Expected an HTTP request, got:\n"
++ Debug.toString actualPorts
)
|> ProgramTest.simulateIncomingPort "gotBatchSub"
(requests
|> Encode.list
(\( req, response ) ->
encodeBatchEntry req response
)
)
jsonBody : String -> ResponseBody
jsonBody jsonString =
JsonBody
(jsonString
|> JD.decodeString JD.value
|> Result.withDefault Encode.null
)
encodeBatchEntry : Request.Request -> ResponseBody -> Encode.Value
encodeBatchEntry req response =
Encode.object
[ ( "request"
, Codec.encodeToValue Request.codec
(withInternalHeader response req)
)
, ( "response"
, RequestsAndPending.bodyEncoder response
)
]
withInternalHeader : ResponseBody -> { a | headers : List ( String, String ) } -> { a | headers : List ( String, String ) }
withInternalHeader res req =
{ req
| headers =
( "elm-pages-internal"
, case res of
JsonBody _ ->
"ExpectJson"
BytesBody _ ->
"ExpectBytes"
StringBody _ ->
"ExpectString"
WhateverBody ->
"ExpectWhatever"
)
:: req.headers
}