Pantograph/Test/Serial.lean

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import LSpec
import Test.Common
import Lean
import Pantograph.Library
open Lean
namespace Pantograph.Test.Serial
def tempPath : IO System.FilePath := do
Prod.snd <$> IO.FS.createTempFile
structure MultiState where
coreContext : Core.Context
env: Environment
abbrev TestM := TestT $ StateRefT MultiState $ IO
instance : MonadEnv TestM where
getEnv := return (← getThe MultiState).env
modifyEnv f := do modifyThe MultiState fun s => { s with env := f s.env }
def runCoreM { α } (state : Core.State) (testCoreM : TestT CoreM α) : TestM (α × Core.State) := do
let multiState ← getThe MultiState
let coreM := runTestWithResult testCoreM
match ← (coreM.run multiState.coreContext state).toBaseIO with
| .error e => do
throw $ .userError $ ← e.toMessageData.toString
| .ok ((a, tests), state') => do
set $ (← getThe LSpec.TestSeq) ++ tests
return (a, state')
def test_environment_pickling : TestM Unit := do
let coreSrc : Core.State := { env := ← getEnv }
let coreDst : Core.State := { env := ← getEnv }
let name := `mystery
let envPicklePath ← tempPath
let ((), _) ← runCoreM coreSrc do
let type: Expr := .forallE `p (.sort 0) (.forallE `h (.bvar 0) (.bvar 1) .default) .default
let value: Expr := .lam `p (.sort 0) (.lam `h (.bvar 0) (.bvar 0) .default) .default
let c := Lean.Declaration.defnDecl <| Lean.mkDefinitionValEx
(name := name)
(levelParams := [])
(type := type)
(value := value)
(hints := Lean.mkReducibilityHintsRegularEx 1)
(safety := Lean.DefinitionSafety.safe)
(all := [])
let env' ← match (← getEnv).addDecl (← getOptions) c with
| .error e => do
let error ← (e.toMessageData (← getOptions)).toString
throwError error
| .ok env' => pure env'
environmentPickle env' envPicklePath
let _ ← runCoreM coreDst do
let (env', _) ← environmentUnpickle envPicklePath
checkTrue s!"Has symbol {name}" (env'.find? name).isSome
let anotherName := `mystery2
checkTrue s!"Doesn't have symbol {anotherName}" (env'.find? anotherName).isNone
IO.FS.removeFile envPicklePath
def test_goal_state_pickling_simple : TestM Unit := do
let coreSrc : Core.State := { env := ← getEnv }
let coreDst : Core.State := { env := ← getEnv }
let statePath ← tempPath
let type: Expr := .forallE `p (.sort 0) (.forallE `h (.bvar 0) (.bvar 1) .default) .default
let stateGenerate : MetaM GoalState := runTermElabMInMeta do
GoalState.create type
let ((), _) ← runCoreM coreSrc do
let state ← stateGenerate.run'
goalStatePickle state statePath
let ((), _) ← runCoreM coreDst do
let (goalState, _) ← goalStateUnpickle statePath (← getEnv)
let metaM : MetaM (List Expr) := do
goalState.goals.mapM λ goal => goalState.withContext goal goal.getType
let types ← metaM.run'
checkTrue "Goals" $ types[0]!.equal type
IO.FS.removeFile statePath
structure Test where
name : String
routine: TestM Unit
protected def Test.run (test: Test) (env: Lean.Environment) : IO LSpec.TestSeq := do
-- Create the state
let state : MultiState := {
coreContext := ← createCoreContext #[],
env,
}
match ← ((runTest $ test.routine).run' state).toBaseIO with
| .ok e => return e
| .error e =>
return LSpec.check s!"Emitted exception: {e.toString}" (e.toString == "")
def suite (env : Lean.Environment): List (String × IO LSpec.TestSeq) :=
let tests: List Test := [
{ name := "environment_pickling", routine := test_environment_pickling, },
{ name := "goal_state_pickling_simple", routine := test_goal_state_pickling_simple, },
]
tests.map (fun test => (test.name, test.run env))
end Pantograph.Test.Serial