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|
{-# LANGUAGE DataKinds #-}
{-# LANGUAGE DerivingStrategies #-}
{-# LANGUAGE ExistentialQuantification #-}
{-# LANGUAGE FlexibleInstances #-}
{-# LANGUAGE GeneralizedNewtypeDeriving #-}
{-# LANGUAGE MultiParamTypeClasses #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE QuasiQuotes #-}
{-# LANGUAGE StandaloneDeriving #-}
{-# LANGUAGE TemplateHaskell #-}
{-# LANGUAGE TypeApplications #-}
{-# LANGUAGE TypeFamilies #-}
{-# LANGUAGE UndecidableInstances #-}
module Database.Persist.TH.EmbedSpec where
import TemplateTestImports
import Data.Text (Text)
import qualified Data.Map as M
import qualified Data.Text as T
import Database.Persist.ImplicitIdDef
import Database.Persist.ImplicitIdDef.Internal (fieldTypeFromTypeable)
import Database.Persist.Types
import Database.Persist.Types
import Database.Persist.EntityDef
import Database.Persist.EntityDef.Internal (toEmbedEntityDef)
mkPersist sqlSettings [persistLowerCase|
Thing
name String
foo String MigrationOnly
deriving Eq Show
EmbedThing
someThing Thing
deriving Eq Show
SelfEmbed
name Text
self SelfEmbed Maybe
deriving Eq Show
MutualEmbed
thing MutualTarget
MutualTarget
thing [MutualEmbed]
ModelWithList
names [Text]
HasMap
map (M.Map T.Text T.Text)
deriving Show Eq Read Ord
MapIdValue
map (M.Map T.Text (Key Thing))
deriving Show Eq Read Ord
|]
pass :: IO ()
pass = pure ()
asIO :: IO a -> IO a
asIO = id
spec :: Spec
spec = describe "EmbedSpec" $ do
describe "ModelWithList" $ do
let
edef =
entityDef $ Proxy @ModelWithList
[fieldDef] =
getEntityFields edef
it "has the right type" $ do
fieldType fieldDef
`shouldBe`
FTList (FTTypeCon Nothing "Text")
it "has the right sqltype" $ do
fieldSqlType fieldDef
`shouldBe`
SqlString
describe "MapIdValue" $ do
let
edef =
entityDef $ Proxy @MapIdValue
[fieldDef] =
getEntityFields edef
it "has the right type" $ do
fieldType fieldDef
`shouldBe`
( FTTypeCon (Just "M") "Map"
`FTApp`
FTTypeCon (Just "T") "Text"
`FTApp`
(FTTypeCon Nothing "Key"
`FTApp`
FTTypeCon Nothing "Thing"
)
)
it "has the right sqltype" $ do
fieldSqlType fieldDef
`shouldBe`
SqlString
describe "HasMap" $ do
let
edef =
entityDef $ Proxy @HasMap
[fieldDef] =
getEntityFields edef
it "has the right type" $ do
fieldType fieldDef
`shouldBe`
( FTTypeCon (Just "M") "Map"
`FTApp`
FTTypeCon (Just "T") "Text"
`FTApp`
FTTypeCon (Just "T") "Text"
)
it "has the right sqltype" $ do
fieldSqlType fieldDef
`shouldBe`
SqlString
describe "SomeThing" $ do
let
edef =
entityDef $ Proxy @Thing
describe "toEmbedEntityDef" $ do
let
embedDef =
toEmbedEntityDef edef
it "should have the same field count as Haskell fields" $ do
length (embeddedFields embedDef)
`shouldBe`
length (getEntityFields edef)
describe "EmbedThing" $ do
it "generates the right constructor" $ do
let embedThing :: EmbedThing
embedThing = EmbedThing (Thing "asdf")
pass
describe "SelfEmbed" $ do
let
edef =
entityDef $ Proxy @SelfEmbed
describe "fieldReference" $ do
let
[nameField, selfField] = getEntityFields edef
it "has self reference" $ do
fieldReference selfField
`shouldBe`
NoReference
describe "toEmbedEntityDef" $ do
let
embedDef =
toEmbedEntityDef edef
it "has the same field count as regular def" $ do
length (getEntityFields edef)
`shouldBe`
length (embeddedFields embedDef)
|
