Add waitForDiagnosticsSource

[lsp-test.git] / src / Language / Haskell / LSP / Test.hs

diff --git a/src/Language/Haskell/LSP/Test.hs b/src/Language/Haskell/LSP/Test.hs
index 3ba86905c2d48d6c015812421253fa7319f3a3e6..3def44000291d1e495cdc3924be80da94a4762b8 100644 (file)
--- a/src/Language/Haskell/LSP/Test.hs
+++ b/src/Language/Haskell/LSP/Test.hs
@@ -52,6 +52,7 @@ module Language.Haskell.LSP.Test
   , getDocumentSymbols
   -- ** Diagnostics
   , waitForDiagnostics
+  , waitForDiagnosticsSource
   , noDiagnostics
   -- ** Commands
   , executeCommand
@@ -60,6 +61,8 @@ module Language.Haskell.LSP.Test
   , executeCodeAction
   -- ** Completions
   , getCompletions
+  -- ** References
+  , getReferences
   -- ** Edits
   , applyEdit
   ) where
@@ -306,6 +309,17 @@ waitForDiagnostics = do
   let (List diags) = diagsNot ^. params . LSP.diagnostics
   return diags
 
+waitForDiagnosticsSource :: String -> Session [Diagnostic]
+waitForDiagnosticsSource src = do
+  diags <- waitForDiagnostics
+  let res = filter matches diags
+  if null res
+    then waitForDiagnosticsSource src
+    else return res
+  where
+    matches :: Diagnostic -> Bool
+    matches d = d ^. source == Just (T.pack src)
+
 -- | Expects a 'PublishDiagnosticsNotification' and throws an
 -- 'UnexpectedDiagnosticsException' if there are any diagnostics
 -- returned.
@@ -414,3 +428,9 @@ getCompletions doc pos = do
   case res of
     Completions (List items) -> return items
     CompletionList (CompletionListType _ (List items)) -> return items
+
+getReferences :: TextDocumentIdentifier -> Position -> Bool -> Session [Location]
+getReferences doc pos inclDecl =
+  let ctx = ReferenceContext inclDecl
+      params = ReferenceParams doc pos ctx
+  in fromMaybe [] . (^. result) <$> sendRequest TextDocumentReferences params