Add test for document change tracking

[opengl.git] / test / Test.hs

diff --git a/test/Test.hs b/test/Test.hs
index ce8a3573c3f92edaf0c5efa4a523be83479625a9..8f715333092c46b503316b77b0163d8596b9fa18 100644 (file)
--- a/test/Test.hs
+++ b/test/Test.hs
@@ -1,9 +1,14 @@
 {-# LANGUAGE DuplicateRecordFields #-}
 {-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE DeriveGeneric #-}
+{-# LANGUAGE DeriveAnyClass #-}
 import           Test.Hspec
+import           Data.Aeson
+import qualified Data.HashMap.Strict as HM
 import           Data.Maybe
 import           Control.Monad.IO.Class
 import           Control.Lens hiding (List)
+import           GHC.Generics
 import           Language.Haskell.LSP.Test
 import           Language.Haskell.LSP.Test.Replay
 import           Language.Haskell.LSP.Types
@@ -61,8 +66,36 @@ main = hspec $ do
           fooSymbol ^. name `shouldBe` "foo"
           fooSymbol ^. kind `shouldBe` SkFunction
 
+  describe "text document state" $
+    it "sends back didChange notifications" $
+      runSession "hie --lsp" "test/data/refactor" $ do
+        doc <- openDoc "Main.hs" "haskell"
+
+        let args = toJSON $ AOP (doc ^. uri)
+                                (Position 1 14)
+                                "Redundant bracket"
+            reqParams = ExecuteCommandParams "applyrefact:applyOne" (Just (List [args]))
+        sendRequest WorkspaceExecuteCommand reqParams
+        skipMany anyNotification
+        _ <- response :: Session ExecuteCommandResponse
+
+        editReq <- request :: Session ApplyWorkspaceEditRequest
+        liftIO $ do
+          let (Just cs) = editReq ^. params . edit . changes
+              [(u, List es)] = HM.toList cs
+          u `shouldBe` doc ^. uri
+          es `shouldBe` [TextEdit (Range (Position 1 0) (Position 1 18)) "main = return 42"]
+
+        checkNoDiagnostics
+
   parsingSpec
 
+data ApplyOneParams = AOP
+  { file      :: Uri
+  , start_pos :: Position
+  , hintTitle :: String
+  } deriving (Generic, ToJSON)
+
 checkNoDiagnostics :: Session ()
 checkNoDiagnostics = do
   diagsNot <- notification :: Session PublishDiagnosticsNotification