89 lines
4.3 KiB
Plaintext
89 lines
4.3 KiB
Plaintext
import LSpec
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import Pantograph.Serial
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import Test.Common
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import Lean
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open Lean
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namespace Pantograph.Test.Serial
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open Pantograph
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deriving instance Repr, DecidableEq for Protocol.BoundExpression
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def test_name_to_ast: LSpec.TestSeq :=
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let quote := "\""
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let escape := "\\"
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LSpec.test "a.b.1" (name_to_ast (Name.num (.str (.str .anonymous "a") "b") 1) = "a.b.1") ++
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LSpec.test "seg.«a.b»" (name_to_ast (Name.str (.str .anonymous "seg") "a.b") = s!"{quote}seg.«a.b»{quote}") ++
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-- Pathological test case
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LSpec.test s!"«̈{escape}{quote}»" (name_to_ast (Name.str .anonymous s!"{escape}{quote}") = s!"{quote}«{escape}{quote}»{quote}")
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def test_expr_to_binder (env: Environment): IO LSpec.TestSeq := do
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let entries: List (Name × Protocol.BoundExpression) := [
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("Nat.add_comm".toName, { binders := #[("n", "Nat"), ("m", "Nat")], target := "n + m = m + n" }),
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("Nat.le_of_succ_le".toName, { binders := #[("n", "Nat"), ("m", "Nat"), ("h", "n.succ ≤ m")], target := "n ≤ m" })
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]
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let coreM: CoreM LSpec.TestSeq := entries.foldlM (λ suites (symbol, target) => do
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let env ← MonadEnv.getEnv
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let expr := env.find? symbol |>.get! |>.type
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let test := LSpec.check symbol.toString ((← type_expr_to_bound expr) = target)
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return LSpec.TestSeq.append suites test) LSpec.TestSeq.done |>.run'
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runCoreMSeq env coreM
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def test_sexp_of_symbol (env: Environment): IO LSpec.TestSeq := do
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let entries: List (String × String) := [
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-- This one contains unhygienic variable names which must be suppressed
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("Nat.add", "(:forall _ (:c Nat) (:forall _ (:c Nat) (:c Nat)))"),
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-- These ones are normal and easy
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("Nat.add_one", "(:forall n (:c Nat) ((:c Eq) (:c Nat) ((:c HAdd.hAdd) (:c Nat) (:c Nat) (:c Nat) ((:c instHAdd) (:c Nat) (:c instAddNat)) 0 ((:c OfNat.ofNat) (:c Nat) (:lit 1) ((:c instOfNatNat) (:lit 1)))) ((:c Nat.succ) 0)))"),
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("Nat.le_of_succ_le", "(:forall n (:c Nat) (:forall m (:c Nat) (:forall h ((:c LE.le) (:c Nat) (:c instLENat) ((:c Nat.succ) 1) 0) ((:c LE.le) (:c Nat) (:c instLENat) 2 1)) :implicit) :implicit)"),
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-- Handling of higher order types
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("Or", "(:forall a (:sort 0) (:forall b (:sort 0) (:sort 0)))"),
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("List", "(:forall α (:sort (+ u 1)) (:sort (+ u 1)))")
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]
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let metaM: MetaM LSpec.TestSeq := entries.foldlM (λ suites (symbol, target) => do
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let env ← MonadEnv.getEnv
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let expr := env.find? symbol.toName |>.get! |>.type
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let test := LSpec.check symbol ((← serialize_expression_ast expr) = target)
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return LSpec.TestSeq.append suites test) LSpec.TestSeq.done
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runMetaMSeq env metaM
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def test_sexp_of_expr (env: Environment): IO LSpec.TestSeq := do
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let entries: List (String × String) := [
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("λ x: Nat × Bool => x.1", "(:lambda x ((:c Prod) (:c Nat) (:c Bool)) ((:c Prod.fst) (:c Nat) (:c Bool) 0))"),
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("λ x: Array Nat => x.data", "(:lambda x ((:c Array) (:c Nat)) ((:c Array.data) (:c Nat) 0))")
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]
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let termElabM: Elab.TermElabM LSpec.TestSeq := entries.foldlM (λ suites (source, target) => do
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let env ← MonadEnv.getEnv
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let s := syntax_from_str env source |>.toOption |>.get!
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let expr := (← syntax_to_expr s) |>.toOption |>.get!
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let test := LSpec.check source ((← serialize_expression_ast expr) = target)
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return LSpec.TestSeq.append suites test) LSpec.TestSeq.done
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let metaM := termElabM.run' (ctx := defaultTermElabMContext)
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runMetaMSeq env metaM
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-- Instance parsing
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def test_instance (env: Environment): IO LSpec.TestSeq := do
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let metaM: MetaM LSpec.TestSeq := do
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let env ← MonadEnv.getEnv
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let source := "λ x y: Nat => HAdd.hAdd Nat Nat Nat (instHAdd Nat instAddNat) x y"
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let s := syntax_from_str env source |>.toOption |>.get!
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let _expr := (← runTermElabMInMeta <| syntax_to_expr s) |>.toOption |>.get!
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return LSpec.TestSeq.done
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runMetaMSeq env metaM
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def suite: IO LSpec.TestSeq := do
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let env: Environment ← importModules
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(imports := #["Init"].map (λ str => { module := str.toName, runtimeOnly := false }))
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(opts := {})
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(trustLevel := 1)
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return LSpec.group "Serialization" $
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(LSpec.group "name_to_ast" test_name_to_ast) ++
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(LSpec.group "Expression binder" (← test_expr_to_binder env)) ++
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(LSpec.group "Sexp from symbol" (← test_sexp_of_symbol env)) ++
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(LSpec.group "Sexp from expr" (← test_sexp_of_expr env)) ++
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(LSpec.group "Instance" (← test_instance env))
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end Pantograph.Test.Serial
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