wasp/waspc/test/AnalyzerTest.hs

296 lines
11 KiB
Haskell

{-# LANGUAGE TypeApplications #-}
module AnalyzerTest where
import Analyzer.TestUtil (ctx)
import Data.Either (isRight)
import Data.List (intercalate)
import Data.Maybe (fromJust)
import qualified StrongPath as SP
import Test.Tasty.Hspec
import Wasp.Analyzer
import Wasp.Analyzer.Parser (Ctx)
import qualified Wasp.Analyzer.TypeChecker as TC
import Wasp.AppSpec.Action (Action)
import qualified Wasp.AppSpec.Action as Action
import Wasp.AppSpec.App (App)
import qualified Wasp.AppSpec.App as App
import qualified Wasp.AppSpec.App.Auth as Auth
import qualified Wasp.AppSpec.App.Db as Db
import qualified Wasp.AppSpec.App.Dependency as Dependency
import qualified Wasp.AppSpec.App.Server as Server
import Wasp.AppSpec.Core.Ref (Ref (..))
import Wasp.AppSpec.Entity (Entity)
import qualified Wasp.AppSpec.Entity as Entity
import Wasp.AppSpec.ExtImport (ExtImport (..), ExtImportName (..))
import Wasp.AppSpec.Page (Page)
import qualified Wasp.AppSpec.Page as Page
import Wasp.AppSpec.Query (Query)
import qualified Wasp.AppSpec.Query as Query
import Wasp.AppSpec.Route (Route)
import qualified Wasp.AppSpec.Route as Route
import qualified Wasp.Psl.Ast.Model as PslModel
spec_Analyzer :: Spec
spec_Analyzer = do
describe "Analyzer" $ do
it "Analyzes a well-typed example" $ do
let source =
unlines
[ "app Todo {",
" title: \"Todo App\",",
" head: [\"foo\", \"bar\"],",
" auth: {",
" userEntity: User,",
" methods: [EmailAndPassword],",
" onAuthFailedRedirectTo: \"/\",",
" },",
" dependencies: [",
" (\"redux\", \"^4.0.5\")",
" ],",
" server: {",
" setupFn: import { setupServer } from \"@ext/bar.js\"",
" },",
" db: {",
" system: PostgreSQL",
" }",
"}",
"",
"entity User {=psl",
" description String",
"psl=}",
"",
"page HomePage {",
" component: import Home from \"@ext/pages/Main\"",
"}",
"",
"page ProfilePage {",
" component: import { profilePage } from \"@ext/pages/Profile\",",
" authRequired: true",
"}",
"",
"route HomeRoute { path: \"/\", to: HomePage }",
"",
"query getUsers {",
" fn: import { getAllUsers } from \"@ext/foo.js\",",
" entities: [User]",
"}",
"",
"action updateUser {",
" fn: import { updateUser } from \"@ext/foo.js\",",
" entities: [User],",
" auth: true",
"}"
]
let decls = analyze source
let expectedApps =
[ ( "Todo",
App.App
{ App.title = "Todo App",
App.head = Just ["foo", "bar"],
App.auth =
Just
Auth.Auth
{ Auth.userEntity = Ref "User" :: Ref Entity,
Auth.methods = [Auth.EmailAndPassword],
Auth.onAuthFailedRedirectTo = "/",
Auth.onAuthSucceededRedirectTo = Nothing
},
App.dependencies =
Just
[ Dependency.Dependency {Dependency.name = "redux", Dependency.version = "^4.0.5"}
],
App.server =
Just
Server.Server
{ Server.setupFn =
Just $
ExtImport
(ExtImportField "setupServer")
(fromJust $ SP.parseRelFileP "bar.js")
},
App.db = Just Db.Db {Db.system = Just Db.PostgreSQL}
}
)
]
takeDecls @App <$> decls `shouldBe` Right expectedApps
let expectedPages =
[ ( "HomePage",
Page.Page
{ Page.component =
ExtImport
(ExtImportModule "Home")
(fromJust $ SP.parseRelFileP "pages/Main"),
Page.authRequired = Nothing
}
),
( "ProfilePage",
Page.Page
{ Page.component =
ExtImport
(ExtImportField "profilePage")
(fromJust $ SP.parseRelFileP "pages/Profile"),
Page.authRequired = Just True
}
)
]
takeDecls @Page <$> decls `shouldBe` Right expectedPages
let expectedEntities =
[ ( "User",
Entity.makeEntity $
PslModel.Body
[ PslModel.ElementField $
PslModel.Field
{ PslModel._name = "description",
PslModel._type = PslModel.String,
PslModel._typeModifiers = [],
PslModel._attrs = []
}
]
)
]
takeDecls @Entity <$> decls `shouldBe` Right expectedEntities
let expectedRoutes =
[ ( "HomeRoute",
Route.Route {Route.path = "/", Route.to = Ref "HomePage"}
)
]
takeDecls @Route <$> decls `shouldBe` Right expectedRoutes
let expectedQueries =
[ ( "getUsers",
Query.Query
{ Query.fn =
ExtImport
(ExtImportField "getAllUsers")
(fromJust $ SP.parseRelFileP "foo.js"),
Query.entities = Just [Ref "User"],
Query.auth = Nothing
}
)
]
takeDecls @Query <$> decls `shouldBe` Right expectedQueries
let expectedAction =
[ ( "updateUser",
Action.Action
{ Action.fn =
ExtImport
(ExtImportField "updateUser")
(fromJust $ SP.parseRelFileP "foo.js"),
Action.entities = Just [Ref "User"],
Action.auth = Just True
}
)
]
takeDecls @Action <$> decls `shouldBe` Right expectedAction
it "Returns a type error if unexisting declaration is referenced" $ do
let source =
unlines
[ "route HomeRoute { path: \"/\", to: NonExistentPage }"
]
takeDecls @Route <$> analyze source
`shouldBe` Left (TypeError $ TC.mkTypeError (ctx (1, 34) (1, 48)) $ TC.UndefinedIdentifier "NonExistentPage")
it "Returns a type error if referenced declaration is of wrong type" $ do
let source =
unlines
[ "route HomeRoute { path: \"/\", to: HomeRoute }"
]
analyze source
`errorMessageShouldBe` ( ctx (1, 35) (1, 43),
intercalate
"\n"
[ "Type error:",
" For dictionary field 'to':",
" Expected type: page (declaration type)",
" Actual type: route (declaration type)"
]
)
it "Works when referenced declaration is declared after the reference." $ do
let source =
unlines
[ "route HomeRoute { path: \"/\", to: HomePage }",
"page HomePage { component: import Home from \"@ext/HomePage.js\" }"
]
isRight (analyze source) `shouldBe` True
describe "Returns correct error message" $ do
it "For nested unexpected type error" $ do
let source =
unlines
[ "app MyApp {",
" title: \"My app\",",
" dependencies: [",
" (\"bar\", 13),",
" (\"foo\", 14)",
" ]",
"}"
]
analyze source
`errorMessageShouldBe` ( ctx (4, 5) (4, 15),
intercalate
"\n"
[ "Type error:",
" For dictionary field 'dependencies':",
" For list element:",
" Expected type: (string, string)",
" Actual type: (string, number)"
]
)
it "For nested unification type error" $ do
let source =
unlines
[ "app MyApp {",
" title: \"My app\",",
" dependencies: [",
" { name: \"bar\", version: 13 },",
" { name: \"foo\", version: \"1.2.3\" }",
" ]",
"}"
]
analyze source
`errorMessageShouldBe` ( ctx (5, 29) (5, 35),
intercalate
"\n"
[ "Type error:",
" For dictionary field 'version':",
" Can't mix the following types:",
" - number",
" - string"
]
)
it "For redundant dictionary field" $ do
let source =
unlines
[ "app MyApp {",
" ttle: \"My app\",",
"}"
]
analyze source
`errorMessageShouldBe` ( ctx (1, 11) (3, 1),
intercalate
"\n"
[ "Type error:",
" Unexpected dictionary field 'ttle'"
]
)
isAnalyzerOutputTypeError :: Either AnalyzeError a -> Bool
isAnalyzerOutputTypeError (Left (TypeError _)) = True
isAnalyzerOutputTypeError _ = False
errorMessageShouldBe :: Either AnalyzeError a -> (Ctx, String) -> Expectation
errorMessageShouldBe analyzeResult (c, msg) = case analyzeResult of
Right _ -> error "Test failed: expected AnalyzerError."
Left e -> getErrorMessageAndCtx e `shouldBe` (msg, c)