test: Eval instantiate

Pantograph/Goal.lean

@@ -488,12 +488,5 @@ protected def GoalState.tryNoConfuse (state: GoalState) (goalId: Nat) (eq: Strin
     | .ok syn => pure syn
     | .error error => return .parseError error
   state.execute goalId (tacticM := Tactic.noConfuse eq)
-protected def GoalState.tryEval (state: GoalState) (goalId: Nat) (binderName: Name) (expr: String) :
-      Elab.TermElabM TacticResult := do
-  state.restoreElabM
-  let expr ← match (← Compile.parseTermM expr) with
-    | .ok syn => pure syn
-    | .error error => return .parseError error
-  state.execute goalId (tacticM := Tactic.evaluate binderName expr)
 
 end Pantograph

Pantograph/Library.lean

@@ -188,13 +188,13 @@ protected def GoalState.tryHave (state: GoalState) (goalId: Nat) (binderName: St
     state.restoreElabM
     state.execute goalId (Tactic.«have» binderName.toName type)
 @[export pantograph_goal_evaluate_m]
-protected def GoalState.tryEvaluate (state: GoalState) (goalId: Nat) (binderName: String) (type: String): CoreM TacticResult := do
+protected def GoalState.tryEvaluate (state: GoalState) (goalId: Nat) (binderName: String) (expr: String): CoreM TacticResult := do
-  let type ← match (← Compile.parseTermM type) with
+  let expr ← match (← Compile.parseTermM expr) with
     | .ok syn => pure syn
     | .error error => return .parseError error
   runTermElabM do
     state.restoreElabM
-    state.execute goalId (Tactic.evaluate binderName.toName type)
+    state.execute goalId (Tactic.evaluate binderName.toName expr)
 @[export pantograph_goal_let_m]
 def goalLet (state: GoalState) (goalId: Nat) (binderName: String) (type: String): CoreM TacticResult :=
   runTermElabM <| state.tryLet goalId binderName type

Test/Tactic/Prograde.lean

@@ -50,7 +50,60 @@ def test_eval : TestT Elab.TermElabM Unit := do
     })
     addTest $ LSpec.test "assign" ((← getExprMVarAssignment? goal.mvarId!) == .some (.mvar newGoal))
 
-def test_have : TestT Elab.TermElabM Unit := do
+def test_proof_eval : TestT Elab.TermElabM Unit := do
+  let rootExpr ← parseSentence "∀ (p q: Prop), p → ((p ∨ q) ∨ (p ∨ q))"
+  let state0 ← GoalState.create rootExpr
+  let tactic := "intro p q h"
+  let state1 ← match ← state0.tryTactic (goalId := 0) (tactic := tactic) with
+    | .success state => pure state
+    | other => do
+      addTest $ assertUnreachable $ other.toString
+      return ()
+  addTest $ LSpec.check tactic ((← state1.serializeGoals).map (·.devolatilize) =
+    #[buildGoal [("p", "Prop"), ("q", "Prop"), ("h", "p")] "(p ∨ q) ∨ p ∨ q"])
+
+  let expr := "Or.inl (Or.inl h)"
+  let state2 ← match ← state1.tryAssign (goalId := 0) (expr := expr) with
+    | .success state => pure state
+    | other => do
+      addTest $ assertUnreachable $ other.toString
+      return ()
+  addTest $ LSpec.check s!":= {expr}" ((← state2.serializeGoals).map (·.devolatilize) =
+    #[])
+
+  let evalBind := "y"
+  let evalExpr := "Or.inl h"
+  let state2 ← match ← state1.tryEvaluate (goalId := 0) (binderName := evalBind) (expr := evalExpr) with
+    | .success state => pure state
+    | other => do
+      addTest $ assertUnreachable $ other.toString
+      return ()
+  addTest $ LSpec.check s!"eval {evalBind} := {evalExpr}" ((← state2.serializeGoals).map (·.devolatilize) =
+    #[{
+      target := { pp? := .some  "(p ∨ q) ∨ p ∨ q"},
+      vars := #[
+        { userName := "p", type? := .some { pp? := .some "Prop" }, isInaccessible? := .some false },
+        { userName := "q", type? := .some { pp? := .some "Prop" }, isInaccessible? := .some false },
+        { userName := "h", type? := .some { pp? := .some "p" }, isInaccessible? := .some false },
+        { userName := "y",
+          type? := .some { pp? := .some "p ∨ ?m.25" },
+          value? := .some { pp? := .some "Or.inl h" },
+          isInaccessible? := .some false }
+      ]
+  }])
+
+  let expr := "Or.inl y"
+  let state3 ← match ← state2.tryAssign (goalId := 0) (expr := expr) with
+    | .success state => pure state
+    | other => do
+      addTest $ assertUnreachable $ other.toString
+      return ()
+  addTest $ LSpec.check s!":= {expr}" ((← state3.serializeGoals).map (·.devolatilize) =
+    #[])
+
+  addTest $ LSpec.check "(3 root)" state3.rootExpr?.isSome
+
+def test_proof_have : TestT Elab.TermElabM Unit := do
   let rootExpr ← parseSentence "∀ (p q: Prop), p → ((p ∨ q) ∨ (p ∨ q))"
   let state0 ← GoalState.create rootExpr
   let tactic := "intro p q h"
@@ -113,7 +166,8 @@ def test_have : TestT Elab.TermElabM Unit := do
 def suite (env: Environment): List (String × IO LSpec.TestSeq) :=
   [
     ("eval", test_eval),
-    ("have", test_have),
+    ("Proof eval", test_proof_eval),
+    ("Proof have", test_proof_have),
   ] |>.map (λ (name, t) => (name, runTestTermElabM env t))
 
 end Pantograph.Test.Tactic.Prograde