diff options
| -rw-r--r-- | src/Hakyll/Core/Util/Arrow.hs | 4 | ||||
| -rw-r--r-- | tests/Hakyll/Core/Util/Arrow/Tests.hs | 14 | ||||
| -rw-r--r-- | tests/TestSuite.hs | 3 |
3 files changed, 19 insertions, 2 deletions
diff --git a/src/Hakyll/Core/Util/Arrow.hs b/src/Hakyll/Core/Util/Arrow.hs index 1896e11..f46d083 100644 --- a/src/Hakyll/Core/Util/Arrow.hs +++ b/src/Hakyll/Core/Util/Arrow.hs @@ -16,9 +16,9 @@ constA = arr . const sequenceA :: Arrow a => [a b c] -> a b [c] -sequenceA = foldl reduce $ constA [] +sequenceA = foldr reduce $ constA [] where - reduce la xa = xa &&& la >>^ arr (uncurry (:)) + reduce xa la = xa &&& la >>^ arr (uncurry (:)) unitA :: Arrow a => a b () diff --git a/tests/Hakyll/Core/Util/Arrow/Tests.hs b/tests/Hakyll/Core/Util/Arrow/Tests.hs new file mode 100644 index 0000000..c0c7eaa --- /dev/null +++ b/tests/Hakyll/Core/Util/Arrow/Tests.hs @@ -0,0 +1,14 @@ +module Hakyll.Core.Util.Arrow.Tests + ( tests + ) where + +import Test.Framework (Test) +import Test.HUnit ((@=?)) + +import Hakyll.Core.Util.Arrow +import TestSuite.Util + +tests :: [Test] +tests = fromAssertions "sequenceA" + [ [8, 20, 1] @=? sequenceA [(+ 4), (* 5), signum] (4 :: Int) + ] diff --git a/tests/TestSuite.hs b/tests/TestSuite.hs index fdd5e56..d9ba854 100644 --- a/tests/TestSuite.hs +++ b/tests/TestSuite.hs @@ -8,6 +8,7 @@ import qualified Hakyll.Core.Routes.Tests import qualified Hakyll.Core.Rules.Tests import qualified Hakyll.Core.Store.Tests import qualified Hakyll.Core.UnixFilter.Tests +import qualified Hakyll.Core.Util.Arrow.Tests import qualified Hakyll.Web.Page.Tests import qualified Hakyll.Web.Page.Metadata.Tests import qualified Hakyll.Web.Template.Tests @@ -29,6 +30,8 @@ main = defaultMain Hakyll.Core.Store.Tests.tests , testGroup "Hakyll.Core.UnixFilter.Tests" Hakyll.Core.UnixFilter.Tests.tests + , testGroup "Hakyll.Core.Util.Arrow.Tests" + Hakyll.Core.Util.Arrow.Tests.tests , testGroup "Hakyll.Web.Page.Tests" Hakyll.Web.Page.Tests.tests , testGroup "Hakyll.Web.Page.Metadata.Tests" |