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78 lines
2.1 KiB
Haskell
78 lines
2.1 KiB
Haskell
{-# LANGUAGE NoImplicitPrelude #-}
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{-# LANGUAGE OverloadedStrings #-}
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module MergeSpec (tests) where
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import BasePrelude
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-- Text
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import qualified Data.Text as T
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import Data.Text (Text)
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-- Testing
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import Test.Hspec
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import Test.Hspec.QuickCheck
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import Test.QuickCheck
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import Data.Text.Arbitrary ()
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import Guide.Diff.Merge
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tests :: Spec
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tests = describe "merging" $ do
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-- <from>: <variant A>+<variant B> = <merged>
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describe "simple cases" $ do
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describe "A: A+A = A" $
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prop "QuickCheck" $ \(M a) ->
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merge a a a === a
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describe "A: B+B = B" $
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prop "QuickCheck" $ \(M a) (M b) ->
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merge a b b === b
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describe "A: A+B = B" $
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prop "QuickCheck" $ \(M a) (M b) ->
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merge a a b === b
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describe "replacing" $ do
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it "different words" $ do
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merge "a b c" "x b c" "a b y" `shouldBe` "x b y"
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it "words separated by /s" $ do
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merge "a/b/c" "x/b/c" "a/b/y" `shouldBe` "x/b/y"
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it "punctuation" $ do
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merge "a,b,c" "a,b!c" "a?b,c" `shouldBe` "a?b!c"
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it "words with similar words" $ do
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merge "foobar" "foobir" "xoobar" `shouldBe` "foobir"
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describe "inserting" $ do
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it "words in different but near places" $ do
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merge "f x" "A B C f x" "f d b e x" `shouldBe` "A B C f d b e x"
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it "words from different sides" $ do
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merge "x" "foo x" "x bar" `shouldBe` "foo x bar"
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merge "x" "a foo x" "x bar" `shouldBe` "a foo x bar"
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it "words and punctuation in random places" $ do
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merge "a b,c d" " a x/b, c d" "a b,c d e" `shouldBe` " a x/b, c d e"
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it "several words" $ do
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merge "a b c d" "a a a b c d e" "a b c e d" `shouldBe` "a a a b c e d e"
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describe "deleting" $ do
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it "words" $ do
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merge "a B c D" "a c D" "a B c" `shouldBe` "a c"
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describe "tokens" $ do
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it "links aren't merged" $ do
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merge "http://a/b/c" "http://x/b/c" "http://a/b/y"
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`shouldBe` "http://x/b/c"
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newtype M = M Text
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deriving (Eq, Ord)
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instance Show M where
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show (M x) = show x
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instance Arbitrary M where
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shrink (M x) = map M (shrink x)
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arbitrary = M <$> oneof [
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return "",
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T.singleton <$> elements "abc123",
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T.singleton <$> elements " .,()*+/",
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arbitrary ]
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