add cursor location widget

test/Hamming/App/UtilSpec.hs

@@ -0,0 +1,53 @@
+{-
+
+hamming
+Copyright (C) Jonathan Lamothe <jonathan@jlamothe.net>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as
+published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public
+License along with this program.  If not, see
+<https://www.gnu.org/licenses/>.
+
+-}
+
+module Hamming.App.UtilSpec (spec) where
+
+import Brick.Types (Location (..))
+import Lens.Micro ((&), (.~))
+import Test.Hspec (Spec, context, describe, it, shouldBe)
+
+import Hamming.App.Types
+import Hamming.App.Util
+
+spec :: Spec
+spec = describe "Util"
+  getLocationSpec
+
+getLocationSpec :: Spec
+getLocationSpec = describe "getLocation" $ mapM_
+  ( \(desc, state, expected) -> context desc $ let
+    actual = getLocation state
+    in it ("should be " ++ show expected) $
+      actual `shouldBe` expected
+  )
+  [ ( "display mode", initialState, Nothing )
+  , ( "edit mode",    es,           Just l  )
+  ]
+  where
+    es = initialState & appMode .~ EditMode
+      ( initialEditor
+      & rowNum .~ 2
+      & colNum .~ 3
+      )
+    l = Location (4, 3)
+
+--jl

test/Hamming/App/Widgets/InternalSpec.hs

@@ -37,9 +37,9 @@ hammingW'Spec :: Spec
 hammingW'Spec = describe "hammingW'" $ mapM_
   ( \(desc, state, expRes) -> context desc $ do
     let
-      actRes = hammingW' state
-      numActRows = length actRes
-      numExpRows = length expRes
+      (actRes, _) = hammingW' state
+      numActRows  = length actRes
+      numExpRows  = length expRes
     context "number of rows" $
       it ("should be " ++ show numExpRows) $
         numActRows `shouldBe` numExpRows