github/semantic
1
1
Fork 0
mirror of https://github.com/github/semantic.git synced 2024-11-28 01:47:01 +03:00
Code Issues Projects Releases Wiki Activity

Use makeState in the assignment spec.

Browse Source
This commit is contained in:
Rob Rix 2017-05-03 09:39:24 -04:00
parent bfd55c49c9
commit 1c968e3aab
1 changed files with 15 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
test/Data/Syntax/Assignment/Spec.hs
View File

@ -14,49 +14,49 @@ spec :: Spec
spec = do
describe "Applicative" $ do
it "matches in sequence" $
runAssignment ((,) <$> red <*> red) (startingState "helloworld" [Rose (rec Red 0 5) [], Rose (rec Red 5 10) []]) `shouldBe` Result [] (Just (AssignmentState 10 (Info.SourcePos 1 11) (Source "") [], (Out "hello", Out "world")))
runAssignment ((,) <$> red <*> red) (makeState "helloworld" [Rose (rec Red 0 5) [], Rose (rec Red 5 10) []]) `shouldBe` Result [] (Just (AssignmentState 10 (Info.SourcePos 1 11) (Source "") [], (Out "hello", Out "world")))
describe "Alternative" $ do
it "attempts multiple alternatives" $
runAssignment (green <|> red) (startingState "hello" [Rose (rec Red 0 5) []]) `shouldBe` Result [] (Just (AssignmentState 5 (Info.SourcePos 1 6) (Source "") [], Out "hello"))
runAssignment (green <|> red) (makeState "hello" [Rose (rec Red 0 5) []]) `shouldBe` Result [] (Just (AssignmentState 5 (Info.SourcePos 1 6) (Source "") [], Out "hello"))
it "matches repetitions" $
let s = "colourless green ideas sleep furiously"
w = words s
(_, nodes) = foldl (\ (i, prev) word -> (i + B.length word + 1, prev <> [Rose (rec Red i (i + B.length word)) []])) (0, []) w in
resultValue (runAssignment (many red) (startingState s nodes)) `shouldBe` Just (AssignmentState (B.length s) (Info.SourcePos 1 (succ (B.length s))) (Source "") [], Out <$> w)
resultValue (runAssignment (many red) (makeState (Source s) nodes)) `shouldBe` Just (AssignmentState (B.length s) (Info.SourcePos 1 (succ (B.length s))) (Source "") [], Out <$> w)
it "matches one-or-more repetitions against one or more input nodes" $
resultValue (runAssignment (some red) (startingState "hello" [Rose (rec Red 0 5) []])) `shouldBe` Just (AssignmentState 5 (Info.SourcePos 1 6) (Source "") [], [Out "hello"])
resultValue (runAssignment (some red) (makeState "hello" [Rose (rec Red 0 5) []])) `shouldBe` Just (AssignmentState 5 (Info.SourcePos 1 6) (Source "") [], [Out "hello"])
describe "symbol" $ do
it "matches nodes with the same symbol" $
snd <$> runAssignment red (startingState "hello" [Rose (rec Red 0 5) []]) `shouldBe` Result [] (Just (Out "hello"))
snd <$> runAssignment red (makeState "hello" [Rose (rec Red 0 5) []]) `shouldBe` Result [] (Just (Out "hello"))
it "does not advance past the current node" $
fst <$> runAssignment (symbol Red) (startingState "hi" [ Rose (rec Red 0 2) [] ]) `shouldBe` Result [] (Just (AssignmentState 0 (Info.SourcePos 1 1) (Source "hi") [ Rose (rec Red 0 2) [] ]))
fst <$> runAssignment (symbol Red) (makeState "hi" [ Rose (rec Red 0 2) [] ]) `shouldBe` Result [] (Just (AssignmentState 0 (Info.SourcePos 1 1) (Source "hi") [ Rose (rec Red 0 2) [] ]))
describe "source" $ do
it "produces the node’s source" $
assign source (Source "hi") (Rose (rec Red 0 2) []) `shouldBe` Result [] (Just "hi")
it "advances past the current node" $
fst <$> runAssignment source (startingState "hi" [ Rose (rec Red 0 2) [] ]) `shouldBe` Result [] (Just (AssignmentState 2 (Info.SourcePos 1 3) (Source "") []))
fst <$> runAssignment source (makeState "hi" [ Rose (rec Red 0 2) [] ]) `shouldBe` Result [] (Just (AssignmentState 2 (Info.SourcePos 1 3) (Source "") []))
describe "children" $ do
it "advances past the current node" $
fst <$> runAssignment (children (pure (Out ""))) (startingState "a" [Rose (rec Red 0 1) []]) `shouldBe` Result [] (Just (AssignmentState 1 (Info.SourcePos 1 2) (Source "") []))
fst <$> runAssignment (children (pure (Out ""))) (makeState "a" [Rose (rec Red 0 1) []]) `shouldBe` Result [] (Just (AssignmentState 1 (Info.SourcePos 1 2) (Source "") []))
it "matches if its subrule matches" $
() <$ runAssignment (children red) (startingState "a" [Rose (rec Blue 0 1) [Rose (rec Red 0 1) []]]) `shouldBe` Result [] (Just ())
() <$ runAssignment (children red) (makeState "a" [Rose (rec Blue 0 1) [Rose (rec Red 0 1) []]]) `shouldBe` Result [] (Just ())
it "does not match if its subrule does not match" $
(runAssignment (children red) (startingState "a" [Rose (rec Blue 0 1) [Rose (rec Green 0 1) []]])) `shouldBe` Result [ Error (Info.SourcePos 1 1) [Red] (Just Green) ] Nothing
(runAssignment (children red) (makeState "a" [Rose (rec Blue 0 1) [Rose (rec Green 0 1) []]])) `shouldBe` Result [ Error (Info.SourcePos 1 1) [Red] (Just Green) ] Nothing
it "matches nested children" $ do
runAssignment
(symbol Red *> children (symbol Green *> children (symbol Blue *> source)))
(startingState "1" [ Rose (rec Red 0 1) [ Rose (rec Green 0 1) [ Rose (rec Blue 0 1) [] ] ] ])
(makeState "1" [ Rose (rec Red 0 1) [ Rose (rec Green 0 1) [ Rose (rec Blue 0 1) [] ] ] ])
`shouldBe`
Result [] (Just (AssignmentState 1 (Info.SourcePos 1 2) (Source "") [], "1"))
@ -64,25 +64,22 @@ spec = do
resultValue (runAssignment
(many (symbol Red *> children (symbol Green *> source)
<|> symbol Blue *> source))
(startingState "BC" [ Rose (rec Red 0 1) [ Rose (rec Green 0 1) [] ]
, Rose (rec Blue 1 2) [] ]))
(makeState "BC" [ Rose (rec Red 0 1) [ Rose (rec Green 0 1) [] ]
, Rose (rec Blue 1 2) [] ]))
`shouldBe`
Just (AssignmentState 2 (Info.SourcePos 1 3) (Source "") [], ["B", "C"])
it "matches multiple nested children" $ do
runAssignment
(symbol Red *> children (many (symbol Green *> children (symbol Blue *> source))))
(startingState "12" [ Rose (rec Red 0 2) [ Rose (rec Green 0 1) [ Rose (rec Blue 0 1) [] ]
, Rose (rec Green 1 2) [ Rose (rec Blue 1 2) [] ] ] ])
(makeState "12" [ Rose (rec Red 0 2) [ Rose (rec Green 0 1) [ Rose (rec Blue 0 1) [] ]
, Rose (rec Green 1 2) [ Rose (rec Blue 1 2) [] ] ] ])
`shouldBe`
Result [] (Just (AssignmentState 2 (Info.SourcePos 1 3) (Source "") [], ["1", "2"]))
rec :: symbol -> Int -> Int -> Record '[symbol, Range, SourceSpan]
rec symbol start end = symbol :. Range start end :. Info.SourceSpan (Info.SourcePos 1 (succ start)) (Info.SourcePos 1 (succ end)) :. Nil
startingState :: ByteString -> [AST grammar] -> AssignmentState grammar
startingState = AssignmentState 0 (Info.SourcePos 1 1) . Source
data Grammar = Red | Green | Blue
deriving (Enum, Eq, Show)