101 lines
3.5 KiB
Plaintext
101 lines
3.5 KiB
Plaintext
import LSpec
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import Lean
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import Test.Common
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open Lean
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open Pantograph
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namespace Pantograph.Test.Tactic.NoConfuse
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def valueAndType (recursor: String): MetaM (Expr × Expr) := do
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let recursor ← match Parser.runParserCategory
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(env := ← MonadEnv.getEnv)
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(catName := `term)
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(input := recursor)
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(fileName := filename) with
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| .ok syn => pure syn
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| .error error => throwError "Failed to parse: {error}"
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runTermElabMInMeta do
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let recursor ← Elab.Term.elabTerm (stx := recursor) .none
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let recursorType ← Meta.inferType recursor
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return (recursor, recursorType)
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def test_nat (env: Environment): IO LSpec.TestSeq :=
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let expr := "λ (n: Nat) (h: 0 = n + 1) => False"
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runMetaMSeq env do
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let (expr, exprType) ← valueAndType expr
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Meta.lambdaTelescope expr $ λ _ body => do
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let recursor ← match Parser.runParserCategory
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(env := ← MonadEnv.getEnv)
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(catName := `term)
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(input := "h")
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(fileName := filename) with
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| .ok syn => pure syn
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| .error error => throwError "Failed to parse: {error}"
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let mut tests := LSpec.TestSeq.done
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-- Apply the tactic
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let target ← Meta.mkFreshExprSyntheticOpaqueMVar body
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let tactic := Tactic.noConfuse recursor
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let test ← runTermElabMInMeta do
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let newGoals ← runTacticOnMVar tactic target.mvarId!
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pure $ LSpec.check "goals" ((← newGoals.mapM (λ g => do exprToStr (← g.getType))) =
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[])
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tests := tests ++ test
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return tests
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def test_nat_fail (env: Environment): IO LSpec.TestSeq :=
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let expr := "λ (n: Nat) (h: n = n) => False"
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runMetaMSeq env do
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let (expr, _) ← valueAndType expr
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Meta.lambdaTelescope expr $ λ _ body => do
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let recursor ← match Parser.runParserCategory
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(env := ← MonadEnv.getEnv)
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(catName := `term)
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(input := "h")
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(fileName := filename) with
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| .ok syn => pure syn
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| .error error => throwError "Failed to parse: {error}"
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let mut tests := LSpec.TestSeq.done
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-- Apply the tactic
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let target ← Meta.mkFreshExprSyntheticOpaqueMVar body
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try
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let tactic := Tactic.noConfuse recursor
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let _ ← runTermElabMInMeta $ runTacticOnMVar tactic target.mvarId!
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tests := tests ++ assertUnreachable "Tactic should fail"
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catch _ =>
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tests := tests ++ LSpec.check "Tactic should fail" true
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return tests
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return tests
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def test_list (env: Environment): IO LSpec.TestSeq :=
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let expr := "λ (l: List Nat) (h: [] = 1 :: l) => False"
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runMetaMSeq env do
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let (expr, exprType) ← valueAndType expr
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Meta.lambdaTelescope expr $ λ _ body => do
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let recursor ← match Parser.runParserCategory
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(env := ← MonadEnv.getEnv)
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(catName := `term)
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(input := "h")
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(fileName := filename) with
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| .ok syn => pure syn
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| .error error => throwError "Failed to parse: {error}"
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let mut tests := LSpec.TestSeq.done
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-- Apply the tactic
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let target ← Meta.mkFreshExprSyntheticOpaqueMVar body
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let tactic := Tactic.noConfuse recursor
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let test ← runTermElabMInMeta do
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let newGoals ← runTacticOnMVar tactic target.mvarId!
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pure $ LSpec.check "goals" ((← newGoals.mapM (λ g => do exprToStr (← g.getType))) =
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[])
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tests := tests ++ test
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return tests
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def suite (env: Environment): List (String × IO LSpec.TestSeq) :=
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[
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("Nat", test_nat env),
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("Nat fail", test_nat_fail env),
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("List", test_list env),
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]
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end Pantograph.Test.Tactic.NoConfuse
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