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211 lines
10 KiB
Haskell
211 lines
10 KiB
Haskell
module SplitSpec where
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import Test.Hspec
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import Split
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import qualified Data.Set as Set
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import Diff
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import Range
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import Test.Hspec.QuickCheck
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import Test.QuickCheck hiding (Fixed)
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import Control.Comonad.Cofree
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import Control.Monad.Free hiding (unfold)
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import qualified Data.Maybe as Maybe
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import Patch
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import Syntax
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import ArbitraryTerm
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instance Arbitrary a => Arbitrary (Row a) where
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arbitrary = oneof [
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Row <$> arbitrary <*> arbitrary ]
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instance Arbitrary HTML where
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arbitrary = oneof [
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Text <$> arbitrary,
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Span <$> arbitrary <*> arbitrary,
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const Break <$> (arbitrary :: Gen ()) ]
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instance Arbitrary a => Arbitrary (Line a) where
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arbitrary = oneof [
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Line <$> arbitrary,
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const EmptyLine <$> (arbitrary :: Gen ()) ]
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arbitraryLeaf :: Gen (String, Info, Syntax String f)
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arbitraryLeaf = toTuple <$> arbitrary
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where toTuple string = (string, Info (Range 0 $ length string) mempty, Leaf string)
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spec :: Spec
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spec = do
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describe "splitAnnotatedByLines" $ do
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prop "outputs one row for single-line unchanged leaves" $
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forAll (arbitraryLeaf `suchThat` isOnSingleLine) $
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\ (source, info@(Info range categories), syntax) -> splitAnnotatedByLines (source, source) (range, range) (categories, categories) syntax `shouldBe` [
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Row (Line [ Free $ Annotated info $ Leaf source ]) (Line [ Free $ Annotated info $ Leaf source ]) ]
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describe "annotatedToRows" $ do
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it "outputs one row for single-line empty unchanged indexed nodes" $
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annotatedToRows (unchanged "[]" "branch" (Indexed [])) "[]" "[]" `shouldBe` [ Row (Line [ Ul (Just "category-branch") [ Text "[]" ] ]) (Line [ Ul (Just "category-branch") [ Text "[]" ] ]) ]
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it "outputs one row for single-line non-empty unchanged indexed nodes" $
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annotatedToRows (unchanged "[ a, b ]" "branch" (Indexed [
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Free . offsetAnnotated 2 2 $ unchanged "a" "leaf" (Leaf ""),
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Free . offsetAnnotated 5 5 $ unchanged "b" "leaf" (Leaf "")
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])) "[ a, b ]" "[ a, b ]" `shouldBe` [ Row (Line [ Ul (Just "category-branch") [ Text "[ ", span "a", Text ", ", span "b", Text " ]" ] ]) (Line [ Ul (Just "category-branch") [ Text "[ ", span "a", Text ", ", span "b", Text " ]" ] ]) ]
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it "outputs one row for single-line non-empty formatted indexed nodes" $
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annotatedToRows (formatted "[ a, b ]" "[ a, b ]" "branch" (Indexed [
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Free . offsetAnnotated 2 2 $ unchanged "a" "leaf" (Leaf ""),
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Free . offsetAnnotated 5 6 $ unchanged "b" "leaf" (Leaf "")
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])) "[ a, b ]" "[ a, b ]" `shouldBe` [ Row (Line [ Ul (Just "category-branch") [ Text "[ ", span "a", Text ", ", span "b", Text " ]" ] ]) (Line [ Ul (Just "category-branch") [ Text "[ ", span "a", Text ", ", span "b", Text " ]" ] ]) ]
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it "outputs two rows for two-line non-empty unchanged indexed nodes" $
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annotatedToRows (unchanged "[ a,\nb ]" "branch" (Indexed [
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Free . offsetAnnotated 2 2 $ unchanged "a" "leaf" (Leaf ""),
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Free . offsetAnnotated 5 5 $ unchanged "b" "leaf" (Leaf "")
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])) "[ a,\nb ]" "[ a,\nb ]" `shouldBe`
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[
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Row (Line [ Ul (Just "category-branch") [ Text "[ ", span "a", Text ",", Break ] ])
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(Line [ Ul (Just "category-branch") [ Text "[ ", span "a", Text ",", Break] ]),
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Row (Line [ Ul (Just "category-branch") [ span "b", Text " ]" ] ])
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(Line [ Ul (Just "category-branch") [ span "b", Text " ]" ] ])
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]
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it "outputs two rows for two-line non-empty formatted indexed nodes" $
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annotatedToRows (formatted "[ a,\nb ]" "[\na,\nb ]" "branch" (Indexed [
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Free . offsetAnnotated 2 2 $ unchanged "a" "leaf" (Leaf ""),
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Free . offsetAnnotated 5 5 $ unchanged "b" "leaf" (Leaf "")
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])) "[ a,\nb ]" "[\na,\nb ]" `shouldBe`
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[
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Row (Line [ Ul (Just "category-branch") [ Text "[ ", span "a", Text ",", Break ] ])
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(Line [ Ul (Just "category-branch") [ Text "[", Break ] ]),
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Row EmptyLine
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(Line [ Ul (Just "category-branch") [ span "a", Text ",", Break ] ]),
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Row (Line [ Ul (Just "category-branch") [ span "b", Text " ]" ] ])
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(Line [ Ul (Just "category-branch") [ span "b", Text " ]" ] ])
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]
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it "" $
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let (sourceA, sourceB) = ("[\na\n,\nb]", "[a,b]") in
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annotatedToRows (formatted sourceA sourceB "branch" (Indexed [
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Free . offsetAnnotated 2 1 $ unchanged "a" "leaf" (Leaf ""),
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Free . offsetAnnotated 6 3 $ unchanged "b" "leaf" (Leaf "")
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])) sourceA sourceB `shouldBe`
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[
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Row (Line [ Ul (Just "category-branch") [ Text "[", Break ] ])
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(Line [ Ul (Just "category-branch") [ Text "[", span "a", Text ",", span "b", Text "]" ] ]),
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Row (Line [ Ul (Just "category-branch") [ span "a", Break ] ])
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EmptyLine,
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Row (Line [ Ul (Just "category-branch") [ Text ",", Break ] ])
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EmptyLine,
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Row (Line [ Ul (Just "category-branch") [ span "b", Text "]" ] ])
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EmptyLine
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]
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it "splits multi-line deletions across multiple rows" $
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let (sourceA, sourceB) = ("/*\n*/\na", "a") in
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annotatedToRows (formatted sourceA sourceB "branch" (Indexed [
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Pure . Delete $ (Info (Range 0 5) (Set.fromList ["leaf"]) :< Leaf ""),
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Free . offsetAnnotated 6 0 $ unchanged "a" "leaf" (Leaf "")
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])) sourceA sourceB `shouldBe`
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[
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Row (Line [ Ul (Just "category-branch") [ Div (Just "delete") [ span "/*", Break ] ] ]) EmptyLine,
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Row (Line [ Ul (Just "category-branch") [ Div (Just "delete") [ span "*/" ], Break ] ]) EmptyLine,
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Row (Line [ Ul (Just "category-branch") [ span "a" ] ]) (Line [ Ul (Just "category-branch") [ span "a" ] ])
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]
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describe "unicode" $
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it "equivalent precomposed and decomposed characters are not equal" $
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let (sourceA, sourceB) = ("t\776", "\7831")
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syntax = Leaf . Pure $ Replace (info sourceA "leaf" :< Leaf "") (info sourceB "leaf" :< Leaf "")
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in
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annotatedToRows (formatted sourceA sourceB "leaf" syntax) sourceA sourceB `shouldBe`
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[ Row (Line [ span "t\776" ]) (Line [ span "\7831"]) ]
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describe "adjoinRowsBy" $ do
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prop "is identity on top of no rows" $
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\ a -> adjoinRowsBy openElement openElement [] a == [ a ]
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prop "appends onto open rows" $
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forAll ((arbitrary `suchThat` isOpen) >>= \ a -> (,) a <$> (arbitrary `suchThat` isOpen)) $
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\ (a@(Row (Line a1) (Line b1)), b@(Row (Line a2) (Line b2))) ->
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adjoinRowsBy openElement openElement [ a ] b `shouldBe` [ Row (Line $ a1 ++ a2) (Line $ b1 ++ b2) ]
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prop "does not append onto closed rows" $
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forAll ((arbitrary `suchThat` isClosed) >>= \ a -> (,) a <$> (arbitrary `suchThat` isClosed)) $
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\ (a, b) -> adjoinRowsBy openElement openElement [ a ] b `shouldBe` [ b, a ]
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prop "does not promote elements through empty lines onto closed lines" $
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forAll ((arbitrary `suchThat` isClosed) >>= \ a -> (,) a <$> (arbitrary `suchThat` isClosed)) $
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\ (a, b) -> adjoinRowsBy openElement openElement [ Row EmptyLine EmptyLine, a ] b `shouldBe` [ b, Row EmptyLine EmptyLine, a ]
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prop "promotes elements through empty lines onto open lines" $
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forAll ((arbitrary `suchThat` isOpen) >>= \ a -> (,) a <$> (arbitrary `suchThat` isOpen)) $
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\ (a, b) -> adjoinRowsBy openElement openElement [ Row EmptyLine EmptyLine, a ] b `shouldBe` Row EmptyLine EmptyLine : adjoinRowsBy openElement openElement [ a ] b
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describe "termToLines" $ do
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it "splits multi-line terms into multiple lines" $
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termToLines (Info (Range 0 5) (Set.singleton "leaf") :< Leaf "") "/*\n*/"
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`shouldBe`
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([
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Line [ span "/*", Break ],
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Line [ span "*/" ]
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], Range 0 5)
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describe "splitTermByLines" $ do
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it "splits multi-line terms into multiple lines" $
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splitTermByLines (Info (Range 0 5) mempty :< Leaf "") "/*\n*/"
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`shouldBe`
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([
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Line [ Info (Range 0 3) mempty :< Leaf "" ],
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Line [ Info (Range 3 5) mempty :< Leaf "" ]
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], Range 0 5)
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describe "openLineBy" $ do
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it "produces the earliest non-empty line in a list, if open" $
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openLineBy openElement [
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Line [ Div (Just "delete") [ span "*/" ] ],
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Line [ Div (Just "delete") [ span " * Debugging", Break ] ],
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Line [ Div (Just "delete") [ span "/*", Break ] ]
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] `shouldBe` (Just $ Line [ Div (Just "delete") [ span "*/" ] ])
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it "produces the earliest non-empty line in a list, if open" $
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openLineBy (openTerm "\n ") [
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Line [ Info (Range 1 2) mempty :< Leaf "" ],
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Line [ Info (Range 0 1) mempty :< Leaf "" ]
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] `shouldBe` (Just $ Line [ Info (Range 1 2) mempty :< Leaf "" ])
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it "returns Nothing if the earliest non-empty line is closed" $
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openLineBy openElement [
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Line [ Div (Just "delete") [ span " * Debugging", Break ] ]
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] `shouldBe` Nothing
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it "returns Nothing if the earliest non-empty line is closed" $
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openLineBy (openTerm "\n") [
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Line [ Info (Range 0 1) mempty :< Leaf "" ]
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] `shouldBe` Nothing
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describe "openTerm" $ do
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it "returns Just the term if its substring does not end with a newline" $
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let term = Info (Range 0 2) mempty :< Leaf "" in openTerm " " term `shouldBe` Just term
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it "returns Nothing for terms whose substring ends with a newline" $
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openTerm " \n" (Info (Range 0 2) mempty :< Leaf "") `shouldBe` Nothing
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where
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rightRowText text = rightRow [ Text text ]
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rightRow xs = Row EmptyLine (Line xs)
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leftRowText text = leftRow [ Text text ]
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leftRow xs = Row (Line xs) EmptyLine
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rowText a b = Row (Line [ Text a ]) (Line [ Text b ])
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info source category = Info (totalRange source) (Set.fromList [ category ])
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unchanged source = formatted source source
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formatted source1 source2 category = Annotated (info source1 category, info source2 category)
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offsetInfo by (Info (Range start end) categories) = Info (Range (start + by) (end + by)) categories
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offsetAnnotated by1 by2 (Annotated (left, right) syntax) = Annotated (offsetInfo by1 left, offsetInfo by2 right) syntax
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span = Span (Just "category-leaf")
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isOpen (Row a b) = Maybe.isJust (openLineBy openElement [ a ]) && Maybe.isJust (openLineBy openElement [ b ])
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isClosed (Row a@(Line _) b@(Line _)) = Maybe.isNothing (openLineBy openElement [ a ]) && Maybe.isNothing (openLineBy openElement [ b ])
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isClosed (Row _ _) = False
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isOnSingleLine (a, _, _) = filter (/= '\n') a == a
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