module Test.Language.Javascript.ModuleParser
    ( testModuleParser
    ) where

import Test.Hspec

import Language.JavaScript.Parser


testModuleParser :: Spec
testModuleParser = describe "Parse modules:" $ do
    it "import" $ do
        -- Not yet supported
        -- test "import 'a';"            `shouldBe` ""

        test "import def from 'mod';"
            `shouldBe`
            "Right (JSAstModule [JSModuleImportDeclaration (JSImportDeclaration (JSImportClauseDefault (JSIdentifier 'def'),JSFromClause ''mod''))])"
        test "import def from \"mod\";"
            `shouldBe`
            "Right (JSAstModule [JSModuleImportDeclaration (JSImportDeclaration (JSImportClauseDefault (JSIdentifier 'def'),JSFromClause '\"mod\"'))])"
        test "import * as thing from 'mod';"
            `shouldBe`
            "Right (JSAstModule [JSModuleImportDeclaration (JSImportDeclaration (JSImportClauseNameSpace (JSImportNameSpace (JSIdentifier 'thing')),JSFromClause ''mod''))])"
        test "import { foo, bar, baz as quux } from 'mod';"
            `shouldBe`
            "Right (JSAstModule [JSModuleImportDeclaration (JSImportDeclaration (JSImportClauseNameSpace (JSImportsNamed ((JSImportSpecifier (JSIdentifier 'foo'),JSImportSpecifier (JSIdentifier 'bar'),JSImportSpecifierAs (JSIdentifier 'baz',JSIdentifier 'quux')))),JSFromClause ''mod''))])"
        test "import def, * as thing from 'mod';"
            `shouldBe`
            "Right (JSAstModule [JSModuleImportDeclaration (JSImportDeclaration (JSImportClauseDefaultNameSpace (JSIdentifier 'def',JSImportNameSpace (JSIdentifier 'thing')),JSFromClause ''mod''))])"
        test "import def, { foo, bar, baz as quux } from 'mod';"
            `shouldBe`
            "Right (JSAstModule [JSModuleImportDeclaration (JSImportDeclaration (JSImportClauseDefaultNamed (JSIdentifier 'def',JSImportsNamed ((JSImportSpecifier (JSIdentifier 'foo'),JSImportSpecifier (JSIdentifier 'bar'),JSImportSpecifierAs (JSIdentifier 'baz',JSIdentifier 'quux')))),JSFromClause ''mod''))])"

    it "export" $ do
        test "export {}"
            `shouldBe`
            "Right (JSAstModule [JSModuleExportDeclaration (JSExportLocals (()))])"
        test "export {};"
            `shouldBe`
            "Right (JSAstModule [JSModuleExportDeclaration (JSExportLocals (()))])"
        test "export const a = 1;"
            `shouldBe`
            "Right (JSAstModule [JSModuleExportDeclaration (JSExport (JSConstant (JSVarInitExpression (JSIdentifier 'a') [JSDecimal '1'])))])"
        test "export { a };"
            `shouldBe`
            "Right (JSAstModule [JSModuleExportDeclaration (JSExportLocals ((JSExportLocalSpecifier (JSIdentifier 'a'))))])"
        test "export { a as b };"
            `shouldBe`
            "Right (JSAstModule [JSModuleExportDeclaration (JSExportLocals ((JSExportLocalSpecifierAs (JSIdentifier 'a',JSIdentifier 'b'))))])"


test :: String -> String
test str = showStrippedMaybe (parseModule str "src")