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authorVincent Ambo <mail@tazj.in>2020-06-16T00·05+0100
committerVincent Ambo <mail@tazj.in>2020-06-16T00·05+0100
commit2edb963b97867b27f68efac8d05bf966077b0b01 (patch)
treec3bb279dfd4330e09a0af6ef4e84ff8a9a3bc7ad /users/glittershark/xanthous/test/Xanthous/GameSpec.hs
parent91f53f02d8479303910abfd3f3690d3ef27e6c4b (diff)
parent53b56744f4335c038724a1bcffc27a7eb8cf6a6d (diff)
Add 'users/glittershark/xanthous/' from commit '53b56744f4335c038724a1bcffc27a7eb8cf6a6d' r/978
git-subtree-dir: users/glittershark/xanthous
git-subtree-mainline: 91f53f02d8479303910abfd3f3690d3ef27e6c4b
git-subtree-split: 53b56744f4335c038724a1bcffc27a7eb8cf6a6d
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diff --git a/users/glittershark/xanthous/test/Xanthous/GameSpec.hs b/users/glittershark/xanthous/test/Xanthous/GameSpec.hs
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+module Xanthous.GameSpec where
+
+import Test.Prelude hiding (Down)
+import Xanthous.Game
+import Xanthous.Game.State
+import Control.Lens.Properties
+import Xanthous.Data (move, Direction(Down))
+import Xanthous.Data.EntityMap (atPosition)
+
+main :: IO ()
+main = defaultMain test
+
+test :: TestTree
+test
+  = localOption (QuickCheckTests 10)
+  . localOption (QuickCheckMaxSize 10)
+  $ testGroup "Xanthous.Game"
+  [ testGroup "positionedCharacter"
+    [ testProperty "lens laws" $ isLens positionedCharacter
+    , testCase "updates the position of the character" $ do
+      initialGame <- getInitialState
+      let initialPos = initialGame ^. characterPosition
+          updatedGame = initialGame & characterPosition %~ move Down
+          updatedPos = updatedGame ^. characterPosition
+      updatedPos @?= move Down initialPos
+      updatedGame ^. entities . atPosition initialPos @?= fromList []
+      updatedGame ^. entities . atPosition updatedPos
+        @?= fromList [SomeEntity $ initialGame ^. character]
+    ]
+  , testGroup "characterPosition"
+    [ testProperty "lens laws" $ isLens characterPosition
+    ]
+  , testGroup "character"
+    [ testProperty "lens laws" $ isLens character
+    ]
+  , testGroup "MessageHistory"
+    [ testGroup "MonoComonad laws"
+      [ testProperty "oextend oextract ≡ id"
+        $ \(mh :: MessageHistory) -> oextend oextract mh === mh
+      , testProperty "oextract ∘ oextend f ≡ f"
+        $ \(mh :: MessageHistory) f -> (oextract . oextend f) mh === f mh
+      , testProperty "oextend f ∘ oextend g ≡ oextend (f . oextend g)"
+        $ \(mh :: MessageHistory) f g ->
+          (oextend f . oextend g) mh === oextend (f . oextend g) mh
+      ]
+    ]
+  , testGroup "Saving the game"
+    [ testProperty "forms a prism" $ isPrism saved
+    , testProperty "round-trips" $ \gs ->
+        loadGame (saveGame gs) === Just gs
+    , testProperty "preserves the character ID" $ \gs ->
+        let Just gs' = loadGame $ saveGame gs
+        in gs' ^. character === gs ^. character
+    ]
+  ]