mirror of
https://github.com/github/semantic.git
synced 2024-12-23 14:54:16 +03:00
61 lines
2.7 KiB
Haskell
61 lines
2.7 KiB
Haskell
module SourceSpec where
|
|
|
|
import qualified Data.Text as Text
|
|
import qualified Prelude
|
|
import Prologue hiding (list)
|
|
import Range
|
|
import Source
|
|
import SourceSpan
|
|
import Test.Hspec
|
|
import Test.Hspec.LeanCheck
|
|
import Test.LeanCheck
|
|
|
|
spec :: Spec
|
|
spec = parallel $ do
|
|
describe "actualLineRanges" $ do
|
|
prop "produces 1 more range than there are newlines" $
|
|
\ source -> Prologue.length (actualLineRanges (totalRange source) source) `shouldBe` succ (Text.count "\n" (toText source))
|
|
|
|
prop "produces exhaustive ranges" $
|
|
\ source -> foldMap (`slice` source) (actualLineRanges (totalRange source) source) `shouldBe` source
|
|
|
|
describe "sourceSpanToRange" $ do
|
|
prop "computes single-line ranges" . forAll (unListableByteString `mapT` tiers) $
|
|
\ s -> let source = Source s
|
|
spans = zipWith (\ i Range {..} -> SourceSpan (SourcePos i 0) (SourcePos i (end - start))) [0..] ranges
|
|
ranges = actualLineRanges (totalRange source) source in
|
|
sourceSpanToRange source <$> spans `shouldBe` ranges
|
|
|
|
prop "computes multi-line ranges" . forAll (unListableByteString `mapT` tiers) $
|
|
\ s -> let source = Source s in
|
|
sourceSpanToRange source (totalSpan source) `shouldBe` totalRange source
|
|
|
|
prop "computes sub-line ranges" . forAll (unListableByteString `mapT` tiers) $
|
|
\ s -> let source = Source ("*" <> s <> "*") in
|
|
sourceSpanToRange source (insetSpan (totalSpan source)) `shouldBe` insetRange (totalRange source)
|
|
|
|
describe "totalSpan" $ do
|
|
prop "covers single lines" $
|
|
\ n -> totalSpan (fromText (Text.replicate n "*")) `shouldBe` SourceSpan (SourcePos 0 0) (SourcePos 0 (max 0 n))
|
|
|
|
prop "covers multiple lines" $
|
|
\ n -> totalSpan (fromText (Text.intersperse '\n' (Text.replicate n "*"))) `shouldBe` SourceSpan (SourcePos 0 0) (SourcePos (max 0 (pred n)) (if n > 0 then 1 else 0))
|
|
|
|
prop "preserves characters" . forAll (toTiers (list +| [chr 0xa0..chr 0x24f])) $
|
|
\ c -> Text.unpack (toText (fromText (Text.singleton c))) `shouldBe` [c]
|
|
|
|
prop "preserves strings" $
|
|
\ s -> fromText (toText s) `shouldBe` s
|
|
|
|
totalSpan :: Source -> SourceSpan
|
|
totalSpan source = SourceSpan (SourcePos 0 0) (SourcePos (pred (Prologue.length ranges)) (end lastRange - start lastRange))
|
|
where ranges = actualLineRanges (totalRange source) source
|
|
lastRange = Prelude.last ranges
|
|
|
|
insetSpan :: SourceSpan -> SourceSpan
|
|
insetSpan sourceSpan = sourceSpan { spanStart = (spanStart sourceSpan) { column = succ (column (spanStart sourceSpan)) }
|
|
, spanEnd = (spanEnd sourceSpan) { column = pred (column (spanEnd sourceSpan)) } }
|
|
|
|
insetRange :: Range -> Range
|
|
insetRange Range {..} = Range (succ start) (pred end)
|