Rename from sapling to tricu
This commit is contained in:
James Eversole
90
test/Spec.hs
90
test/Spec.hs
@ -17,11 +17,11 @@ import qualified Data.Set as Set
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main :: IO ()
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main = defaultMain tests
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runSapling :: String -> String
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runSapling s = show $ result (evalSapling Map.empty $ parseSapling s)
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runTricu :: String -> String
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runTricu s = show $ result (evalTricu Map.empty $ parseTricu s)
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tests :: TestTree
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tests = testGroup "Sapling Tests"
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tests = testGroup "Tricu Tests"
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[ lexerTests
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, parserTests
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, integrationTests
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@ -35,32 +35,32 @@ lexerTests = testGroup "Lexer Tests"
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[ testCase "Lex simple identifiers" $ do
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let input = "x a b = a"
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expect = Right [LIdentifier "x", LIdentifier "a", LIdentifier "b", LAssign, LIdentifier "a"]
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runParser saplingLexer "" input @?= expect
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runParser tricuLexer "" input @?= expect
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, testCase "Lex Tree Calculus terms" $ do
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let input = "t t t"
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expect = Right [LKeywordT, LKeywordT, LKeywordT]
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runParser saplingLexer "" input @?= expect
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runParser tricuLexer "" input @?= expect
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, testCase "Lex escaped characters in strings" $ do
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let input = "\"hello\\nworld\""
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expect = Right [LStringLiteral "hello\\nworld"]
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runParser saplingLexer "" input @?= expect
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runParser tricuLexer "" input @?= expect
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, testCase "Lex mixed literals" $ do
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let input = "t \"string\" 42"
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expect = Right [LKeywordT, LStringLiteral "string", LIntegerLiteral 42]
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runParser saplingLexer "" input @?= expect
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runParser tricuLexer "" input @?= expect
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, testCase "Lex invalid token" $ do
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let input = "$invalid"
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case runParser saplingLexer "" input of
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case runParser tricuLexer "" input of
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Left _ -> return ()
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Right _ -> assertFailure "Expected lexer to fail on invalid token"
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, testCase "Drop trailing whitespace in definitions" $ do
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let input = "x = 5 "
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expect = [LIdentifier "x",LAssign,LIntegerLiteral 5]
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case (runParser saplingLexer "" input) of
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case (runParser tricuLexer "" input) of
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Left _ -> assertFailure "Failed to lex input"
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Right i -> i @?= expect
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, testCase "Error when using invalid characters in identifiers" $ do
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case (runParser saplingLexer "" "__result = 5") of
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case (runParser tricuLexer "" "__result = 5") of
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Left _ -> return ()
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Right _ -> assertFailure "Expected failure when trying to assign the value of __result"
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]
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@ -68,12 +68,12 @@ lexerTests = testGroup "Lexer Tests"
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parserTests :: TestTree
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parserTests = testGroup "Parser Tests"
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[ --testCase "Error when parsing incomplete definitions" $ do
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-- let input = lexSapling "x = "
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-- let input = lexTricu "x = "
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-- case (runParser parseExpression "" input) of
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-- Left _ -> return ()
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-- Right _ -> assertFailure "Expected failure on invalid input"
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testCase "Error when assigning a value to T" $ do
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let input = lexSapling "t = x"
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let input = lexTricu "t = x"
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case (runParser parseExpression "" input) of
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Left _ -> return ()
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Right _ -> assertFailure "Expected failure when trying to assign the value of T"
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@ -142,7 +142,7 @@ parserTests = testGroup "Parser Tests"
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, testCase "Grouping T terms with parentheses in function application" $ do
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let input = "x = (\\a : a)\nx (t)"
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expect = [SFunc "x" [] (SLambda ["a"] (SVar "a")),SApp (SVar "x") TLeaf]
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parseSapling input @?= expect
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parseTricu input @?= expect
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]
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integrationTests :: TestTree
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@ -182,16 +182,16 @@ evaluationTests = testGroup "Evaluation Tests"
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Fork (Fork (Stem Leaf) (Fork Leaf Leaf)) Leaf
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, testCase "Environment updates with definitions" $ do
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let input = "x = t\ny = x"
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env = evalSapling Map.empty (parseSapling input)
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env = evalTricu Map.empty (parseTricu input)
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Map.lookup "x" env @?= Just Leaf
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Map.lookup "y" env @?= Just Leaf
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, testCase "Variable substitution" $ do
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let input = "x = t t\ny = t x\ny"
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env = evalSapling Map.empty (parseSapling input)
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env = evalTricu Map.empty (parseTricu input)
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(result env) @?= Stem (Stem Leaf)
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, testCase "Multiline input evaluation" $ do
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let input = "x = t\ny = t t\nx"
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env = evalSapling Map.empty (parseSapling input)
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env = evalTricu Map.empty (parseTricu input)
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(result env) @?= Leaf
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, testCase "Evaluate string literal" $ do
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let input = "\"hello\""
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@ -211,40 +211,40 @@ evaluationTests = testGroup "Evaluation Tests"
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\ z = y\n \
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\ variablewithamuchlongername = z\n \
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\ variablewithamuchlongername"
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env = evalSapling Map.empty (parseSapling input)
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env = evalTricu Map.empty (parseTricu input)
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(result env) @?= (Stem (Stem Leaf))
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, testCase "Evaluate variable shadowing" $ do
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let input = "x = t t\nx = t\nx"
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env = evalSapling Map.empty (parseSapling input)
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env = evalTricu Map.empty (parseTricu input)
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(result env) @?= Leaf
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, testCase "Apply identity to Boolean Not" $ do
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let not = "(t (t (t t) (t t t)) t)"
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let input = "x = (\\a : a)\nx " ++ not
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env = evalSapling Map.empty (parseSapling input)
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env = evalTricu Map.empty (parseTricu input)
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result env @?= Fork (Fork (Stem Leaf) (Fork Leaf Leaf)) Leaf
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, testCase "Constant function matches" $ do
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let input = "k = (\\a b : a)\nk (t t) t"
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env = evalSapling Map.empty (parseSapling input)
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env = evalTricu Map.empty (parseTricu input)
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result env @?= Stem Leaf
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, testCase "Boolean AND_ TF" $ do
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let input = "and (t t) (t)"
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env = evalSapling library (parseSapling input)
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env = evalTricu library (parseTricu input)
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result env @?= Leaf
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, testCase "Boolean AND_ FT" $ do
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let input = "and (t) (t t)"
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env = evalSapling library (parseSapling input)
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env = evalTricu library (parseTricu input)
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result env @?= Leaf
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, testCase "Boolean AND_ FF" $ do
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let input = "and (t) (t)"
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env = evalSapling library (parseSapling input)
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env = evalTricu library (parseTricu input)
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result env @?= Leaf
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, testCase "Boolean AND_ TT" $ do
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let input = "and (t t) (t t)"
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env = evalSapling library (parseSapling input)
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env = evalTricu library (parseTricu input)
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result env @?= Stem Leaf
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, testCase "Verifying Equality" $ do
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let input = "equal (t t t) (t t t)"
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env = evalSapling library (parseSapling input)
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env = evalTricu library (parseTricu input)
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result env @?= Stem Leaf
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]
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@ -252,67 +252,67 @@ lambdaEvalTests :: TestTree
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lambdaEvalTests = testGroup "Lambda Evaluation Tests"
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[ testCase "Lambda Identity Function" $ do
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let input = "id = (\\x : x)\nid t"
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runSapling input @?= "Leaf"
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runTricu input @?= "Leaf"
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, testCase "Lambda Constant Function (K combinator)" $ do
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let input = "k = (\\x y : x)\nk t (t t)"
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runSapling input @?= "Leaf"
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runTricu input @?= "Leaf"
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, testCase "Lambda Application with Variable" $ do
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let input = "id = (\\x : x)\nval = t t\nid val"
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runSapling input @?= "Stem Leaf"
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runTricu input @?= "Stem Leaf"
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, testCase "Lambda Application with Multiple Arguments" $ do
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let input = "apply = (\\f x y : f x y)\nk = (\\a b : a)\napply k t (t t)"
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runSapling input @?= "Leaf"
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runTricu input @?= "Leaf"
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, testCase "Nested Lambda Application" $ do
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let input = "apply = (\\f x y : f x y)\nid = (\\x : x)\napply (\\f x : f x) id t"
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runSapling input @?= "Leaf"
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runTricu input @?= "Leaf"
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, testCase "Lambda with a complex body" $ do
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let input = "f = (\\x : t (t x))\nf t"
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runSapling input @?= "Stem (Stem Leaf)"
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runTricu input @?= "Stem (Stem Leaf)"
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, testCase "Lambda returning a function" $ do
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let input = "f = (\\x : (\\y : x))\ng = f t\ng (t t)"
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runSapling input @?= "Leaf"
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runTricu input @?= "Leaf"
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, testCase "Lambda with Shadowing" $ do
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let input = "f = (\\x : (\\x : x))\nf t (t t)"
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runSapling input @?= "Stem Leaf"
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runTricu input @?= "Stem Leaf"
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, testCase "Lambda returning another lambda" $ do
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let input = "k = (\\x : (\\y : x))\nk_app = k t\nk_app (t t)"
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runSapling input @?= "Leaf"
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runTricu input @?= "Leaf"
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, testCase "Lambda with free variables" $ do
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let input = "y = t t\nf = (\\x : y)\nf t"
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runSapling input @?= "Stem Leaf"
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runTricu input @?= "Stem Leaf"
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, testCase "SKI Composition" $ do
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let input = "s = (\\x y z : x z (y z))\nk = (\\x y : x)\ni = (\\x : x)\ncomp = s k i\ncomp t (t t)"
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runSapling input @?= "Stem (Stem Leaf)"
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runTricu input @?= "Stem (Stem Leaf)"
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, testCase "Lambda with multiple parameters and application" $ do
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let input = "f = (\\a b c : t a b c)\nf t (t t) (t t t)"
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runSapling input @?= "Stem Leaf"
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runTricu input @?= "Stem Leaf"
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, testCase "Lambda with nested application in the body" $ do
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let input = "f = (\\x : t (t (t x)))\nf t"
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runSapling input @?= "Stem (Stem (Stem Leaf))"
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runTricu input @?= "Stem (Stem (Stem Leaf))"
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, testCase "Lambda returning a function and applying it" $ do
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let input = "f = (\\x : (\\y : t x y))\ng = f t\ng (t t)"
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runSapling input @?= "Fork Leaf (Stem Leaf)"
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runTricu input @?= "Fork Leaf (Stem Leaf)"
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, testCase "Lambda applying a variable" $ do
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let input = "id = (\\x : x)\na = t t\nid a"
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runSapling input @?= "Stem Leaf"
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runTricu input @?= "Stem Leaf"
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, testCase "Nested lambda abstractions in the same expression" $ do
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let input = "f = (\\x : (\\y : x y))\ng = (\\z : z)\nf g t"
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runSapling input @?= "Leaf"
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runTricu input @?= "Leaf"
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, testCase "Lambda with a string literal" $ do
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let input = "f = (\\x : x)\nf \"hello\""
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runSapling input @?= "Fork (Fork Leaf (Fork Leaf (Fork Leaf (Fork (Stem Leaf) (Fork Leaf (Fork (Stem Leaf) (Fork (Stem Leaf) Leaf))))))) (Fork (Fork (Stem Leaf) (Fork Leaf (Fork (Stem Leaf) (Fork Leaf (Fork Leaf (Fork (Stem Leaf) (Fork (Stem Leaf) Leaf))))))) (Fork (Fork Leaf (Fork Leaf (Fork (Stem Leaf) (Fork (Stem Leaf) (Fork Leaf (Fork (Stem Leaf) (Fork (Stem Leaf) Leaf))))))) (Fork (Fork Leaf (Fork Leaf (Fork (Stem Leaf) (Fork (Stem Leaf) (Fork Leaf (Fork (Stem Leaf) (Fork (Stem Leaf) Leaf))))))) (Fork (Fork (Stem Leaf) (Fork (Stem Leaf) (Fork (Stem Leaf) (Fork (Stem Leaf) (Fork Leaf (Fork (Stem Leaf) (Fork (Stem Leaf) Leaf))))))) Leaf))))"
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runTricu input @?= "Fork (Fork Leaf (Fork Leaf (Fork Leaf (Fork (Stem Leaf) (Fork Leaf (Fork (Stem Leaf) (Fork (Stem Leaf) Leaf))))))) (Fork (Fork (Stem Leaf) (Fork Leaf (Fork (Stem Leaf) (Fork Leaf (Fork Leaf (Fork (Stem Leaf) (Fork (Stem Leaf) Leaf))))))) (Fork (Fork Leaf (Fork Leaf (Fork (Stem Leaf) (Fork (Stem Leaf) (Fork Leaf (Fork (Stem Leaf) (Fork (Stem Leaf) Leaf))))))) (Fork (Fork Leaf (Fork Leaf (Fork (Stem Leaf) (Fork (Stem Leaf) (Fork Leaf (Fork (Stem Leaf) (Fork (Stem Leaf) Leaf))))))) (Fork (Fork (Stem Leaf) (Fork (Stem Leaf) (Fork (Stem Leaf) (Fork (Stem Leaf) (Fork Leaf (Fork (Stem Leaf) (Fork (Stem Leaf) Leaf))))))) Leaf))))"
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, testCase "Lambda with an integer literal" $ do
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let input = "f = (\\x : x)\nf 42"
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runSapling input @?= "Fork Leaf (Fork (Stem Leaf) (Fork Leaf (Fork (Stem Leaf) (Fork Leaf (Fork (Stem Leaf) Leaf)))))"
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runTricu input @?= "Fork Leaf (Fork (Stem Leaf) (Fork Leaf (Fork (Stem Leaf) (Fork Leaf (Fork (Stem Leaf) Leaf)))))"
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, testCase "Lambda with a list literal" $ do
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let input = "f = (\\x : x)\nf [t (t t)]"
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runSapling input @?= "Fork Leaf (Fork (Stem Leaf) Leaf)"
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runTricu input @?= "Fork Leaf (Fork (Stem Leaf) Leaf)"
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]
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propertyTests :: TestTree
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propertyTests = testGroup "Property Tests"
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[ testProperty "Lexing and parsing round-trip" $ \input ->
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case runParser saplingLexer "" input of
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case runParser tricuLexer "" input of
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Left _ -> property True
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Right tokens -> case runParser parseExpression "" tokens of
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Left _ -> property True
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