6 from Data.Map import :: Map(..)
7 import qualified Data.Map
9 import Control.Monad.State
10 import Control.Monad.Fail
11 import Control.Monad.Trans
19 instance MonadFail (Either String) where fail s = Left s
21 readwrite :: r w (sds m () r w) -> PViewT m () | MonadFail m & read sds & write sds & TC r & TC w & == r
22 readwrite r w sds = equal r (setShare w sds >>| getShare sds)
24 equal :: a (PViewT m a) -> PViewT m () | MonadFail m & == a
25 equal expected mon = mon >>= \v->if (v == expected) (pure ()) (fail "Not equal")
27 //Start :: Either String ((), Map String Dynamic)
28 Start = runStateT (runStateT (sequence_ $ map test tests) []) 'Data.Map'.newMap
30 test t = liftT (put 'Data.Map'.newMap) >>| t
32 // tests :: [StateT [NRequest (StateT (Map String Dynamic) (Either String))] (StateT (Map String Dynamic) (Either String)) ()]
33 tests :: [PViewT (StateT (Map String Dynamic) (Either String)) ()]
35 [ [readwrite i i sh \\ i<-[-1, 0, -100, 100]]
36 , [setShare [0..10] sh >>| equal i (getShare (focus ((), i) (indexedStore sh)))\\i<-[0..10]]
37 , [setShare [0..10] sh >>| setShare 42 (focus ((), i) (indexedStore sh)) >>| equal 42 (getShare (focus ((), i) (indexedStore sh)))\\i<-[0..10]]
38 , [setShare [(i, i)\\i<-[0..10]] sh >>| equal i (getShare (focus ((), i) (assocStore sh)))\\i<-[0..10]]
39 , [setShare ('Data.Map'.fromList [(i, i)\\i<-[0..10]]) sh >>| equal i (getShare (focus ((), i) (keyedStore sh)))\\i<-[0..10]]
40 , [setShare [0..10] sh >>| setShare 4 (focus "idx" astore) >>| equal 4 (getShare $ focus ((), ()) $ selectList (focus "idx" astore) sh)]
41 , [setShare 38 sh >>| equal 38 (getShare (After 100 sh (pure ())))]
42 , [testpar (focus "foo" astore) (focus "bar" astore)]
43 , [testpar (after 100 $ focus "foo" astore) (after 100 $ focus "bar" astore)]
44 , [testpar (after 100 $ focus "foo" astore) (focus "bar" astore)]
45 , [testpar (focus "foo" astore) (after 100 $ focus "bar" astore)]
48 sh :: Lens (Lens (Lens (Lens (RWPair ReadSource WriteSource)))) (StateT (Map String Dynamic) m) () a a | MonadFail m & TC a
49 sh = focus "foo" astore
51 testpar :: (A.a: sds1 m () a a | TC, == a) (A.a: sds2 m () a a | TC, == a) -> PViewT m () | MonadFail m & read, write sds1 & read, write sds2
53 setShare (42, 'a') (l >+< r)
54 >>| equal (42, 'a') (getShare $ l >+< r) >>| equal 42 (getShare l) >>| equal 'a' (getShare r)
56 >>| equal (38, 'a') (getShare $ l >+< r) >>| equal 38 (getShare l) >>| equal 'a' (getShare r)
58 >>| equal (38, 'b') (getShare $ l >+< r) >>| equal 38 (getShare l) >>| equal 'b' (getShare r)
60 :: After sds m p r w = After Int (sds m p r w) (m ())
61 after :: Int (sds m p r w) -> After sds m p r w | pure m
62 after i sds = After i sds $ pure ()
64 instance read (After sds) | read sds
66 read (After 0 sds _) p = read sds p
67 read (After n sds m) p = pure (Reading (After (n-1) sds m))
69 instance write (After sds) | write sds
71 write (After 0 sds _) p w = write sds p w
72 write (After n sds m) p w = pure (Writing (After (n-1) sds m))
74 astore :: Lens (Lens (Lens (RWPair ReadSource WriteSource))) (StateT (Map String Dynamic) m) String a a | MonadFail m & TC a
75 astore = fromDynStore dstore
77 dstore :: Lens (Lens (RWPair ReadSource WriteSource)) (StateT (Map String Dynamic) m) String Dynamic Dynamic | MonadFail m
78 dstore = translate (\i->((), i)) $ keyedStore store
80 store :: Source (StateT (Map String Dynamic) m) () (Map String Dynamic) (Map String Dynamic) | Monad m
81 store = source (\_->getState) \_->put