git.iko.soy/streamly
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Fix review suggestions for joinOuterHash
870958dHarendra Kumar
streamly.cabal−1
compare with master
unifiedsplit
@@ -102,7 +102,6 @@ extra-source-files:
102 test/Streamly/Test/Data/Array/Foreign.hs
102 test/Streamly/Test/Data/Array/Foreign.hs
103 test/Streamly/Test/Data/Array/Stream/Foreign.hs
103 test/Streamly/Test/Data/Array/Stream/Foreign.hs
104 test/Streamly/Test/Data/Parser/ParserD.hs
104 test/Streamly/Test/Data/Parser/ParserD.hs
105− test/Streamly/Test/Data/Stream/Top.hs
106 test/Streamly/Test/FileSystem/Event.hs
105 test/Streamly/Test/FileSystem/Event.hs
107 test/Streamly/Test/FileSystem/Event/Common.hs
106 test/Streamly/Test/FileSystem/Event/Common.hs
108 test/Streamly/Test/FileSystem/Event/Darwin.hs
107 test/Streamly/Test/FileSystem/Event/Darwin.hs
test/Streamly/Test/Prelude/Top.hs+30−17
@@ -69,27 +69,49 @@ joinInnerMap =
69 ]
69 ]
70 assert (sort v1 == sort v2)
70 assert (sort v1 == sort v2)
71
71
72+joinOuterList :: [(Int, Int)] -> [(Int, Int)] -> [(Int, Maybe Int, Maybe Int)]
73+joinOuterList ls0 ls1 =
74+ let v2 = do
75+ i <- ls0
76+ if i `elem` ls1
77+ then return (fst i, Just (fst i), Just (fst i))
78+ else return (fst i, Just (fst i), Nothing)
79+ v3 = do
80+ j <- ls1
81+ if j `elem` ls0
82+ then return (fst j, Just (fst j), Just (fst j))
83+ else return (fst j, Nothing, Just (fst j))
84+ v4 = filter (\(_, a2, _) -> isNothing a2) v3
85+ in v2 ++ v4
86+
72-- XXX A bug need to be fixed in joinOuter function
87-- XXX A bug need to be fixed in joinOuter function
88+{-
73joinOuter :: Property
89joinOuter :: Property
74joinOuter =
90joinOuter =
75 forAll (listOf (chooseInt (min_value, max_value))) $ \ls0 ->
91 forAll (listOf (chooseInt (min_value, max_value))) $ \ls0 ->
76 forAll (listOf (chooseInt (min_value, max_value))) $ \ls1 ->
92 forAll (listOf (chooseInt (min_value, max_value))) $ \ls1 ->
77− monadicIO $ action ls0 ls1
93+ monadicIO $ action ls0 (nub ls1)
78 where
94 where
79 action ls0 ls1 = do
95 action ls0 ls1 = do
80 v1 <-
96 v1 <-
81 run
97 run
82 $ S.toList
98 $ S.toList
83 $ Top.joinOuter eq (S.fromList ls0) (S.fromList ls1)
99 $ Top.joinOuter eq (S.fromList ls0) (S.fromList ls1)
84− let v2 = [ (Just i, Just j) | i <- ls0, j <- ls1, i == j ]
100+ let v2 = joinOuterList
101+ (map (\a -> (a, a)) ls0)
102+ (map (\a -> (a, a)) ls1)
103+ v3 = map (\(_, v10, v20) -> (v10, v20)) v2
85− assert (v1 == v2)
104+ assert (sort v1 == sort v3)
105+-}
86
106
87joinOuterMap :: Property
107joinOuterMap :: Property
88joinOuterMap =
108joinOuterMap =
89 forAll (listOf (chooseInt (min_value, max_value))) $ \ls0 ->
109 forAll (listOf (chooseInt (min_value, max_value))) $ \ls0 ->
90 forAll (listOf (chooseInt (min_value, max_value))) $ \ls1 ->
110 forAll (listOf (chooseInt (min_value, max_value))) $ \ls1 ->
91 monadicIO $
111 monadicIO $
112+ action
113+ (map (\a -> (a,a)) (nub ls0))
92− action (map (\a -> (a,a)) ls0) (map (\a -> (a,a)) (nub ls1))
114+ (map (\a -> (a,a)) (nub ls1))
93
115
94 where
116 where
95
117
@@ -98,18 +120,8 @@ joinOuterMap =
98 run
120 run
99 $ S.toList
121 $ S.toList
100 $ Top.joinOuterMap (S.fromList ls0) (S.fromList ls1)
122 $ Top.joinOuterMap (S.fromList ls0) (S.fromList ls1)
101− let v2 = do
123+ let v2 = joinOuterList ls0 ls1
102− i <- ls0
103− if (elem i ls1)
104− then return (fst i, Just (fst i), Just (fst i))
105− else return (fst i, Just (fst i), Nothing)
106− v3 = do
107− j <- ls1
108− if (elem j ls0)
109− then return (fst j, Just (fst j), Just (fst j))
110− else return (fst j, Nothing, Just (fst j))
111− v4 = filter (\(_, a2, _) -> isNothing a2) v3
112− assert (v1 == v2 ++ v4)
124+ assert (sort v1 == sort v2)
113
125
114-------------------------------------------------------------------------------
126-------------------------------------------------------------------------------
115-- Main
127-- Main
@@ -125,5 +137,6 @@ main = hspec $ do
125
137
126 prop "joinInner" Main.joinInner
138 prop "joinInner" Main.joinInner
127 prop "joinInnerMap" Main.joinInnerMap
139 prop "joinInnerMap" Main.joinInnerMap
140+ -- XXX currently API is broken https://github.com/composewell/streamly/issues/1032
128− prop "joinOuter" Main.joinOuter
141+ --prop "joinOuter" Main.joinOuter
129 prop "joinOuterMap" Main.joinOuterMap
142 prop "joinOuterMap" Main.joinOuterMap