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47 lines
1.6 KiB
Haskell
47 lines
1.6 KiB
Haskell
{-# LANGUAGE DataKinds #-}
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module DiffSummarySpec where
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import Prologue
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import Data.Record
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import Test.Hspec
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import Test.Hspec.QuickCheck
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import Diff
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import Syntax
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import Patch
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import Category
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import DiffSummary
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import Text.PrettyPrint.Leijen.Text
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import Term.Arbitrary
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import Interpreter
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arrayInfo :: Record '[Category]
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arrayInfo = ArrayLiteral .: RNil
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literalInfo :: Record '[Category]
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literalInfo = StringLiteral .: RNil
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testDiff :: Diff Text (Record '[Category])
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testDiff = free $ Free (pure arrayInfo :< Indexed [ free $ Pure (Insert (cofree $ literalInfo :< Leaf "a")) ])
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testSummary :: DiffSummary DiffInfo
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testSummary = DiffSummary { patch = Insert (DiffInfo "string" "a"), parentAnnotations = [] }
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replacementSummary :: DiffSummary DiffInfo
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replacementSummary = DiffSummary { patch = Replace (DiffInfo "string" "a") (DiffInfo "symbol" "b"), parentAnnotations = [ ArrayLiteral ] }
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spec :: Spec
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spec = parallel $ do
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describe "diffSummary" $ do
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it "outputs a diff summary" $ do
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diffSummary testDiff `shouldBe` [ DiffSummary { patch = Insert (DiffInfo "string" "a"), parentAnnotations = [ ArrayLiteral ] } ]
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prop "equal terms produce identity diffs" $
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\ a -> let term = toTerm (a :: ArbitraryTerm Text (Record '[Category])) in
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diffSummary (diffTerms wrap (==) diffCost term term) `shouldBe` []
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describe "show" $ do
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it "should print adds" $
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show (pretty testSummary) `shouldBe` ("Added the 'a' string" :: Text)
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it "prints a replacement" $ do
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show (pretty replacementSummary) `shouldBe` ("Replaced the 'a' string with the 'b' symbol in the array context" :: Text)
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