lean4-htt/tests/lean/interactive/cancellation.lean

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import Lean.Server.Test.Cancel
open Lean.Server.Test.Cancel
/-!
Cancellation tests. Use `wait_for_cancel_once` to block the server and send a message to the client
who should wait for it with `waitFor` and then issue a new document version, which will unblock
`wait_for_cancel_once`
-/
/-! Changes in a declaration should invalidate elaboration of later declarations. -/
example : True := by
trivial
--^ waitFor: blocked
--^ insert: "; skip"
--^ collectDiagnostics
-- (should never print "blocked")
theorem t : True := by
wait_for_cancel_once
dbg_trace "rerun!"
trivial
-- RESET
import Lean.Server.Test.Cancel
open Lean.Server.Test.Cancel
/-! Changes in a declaration should not invalidate async tasks of previous declarations. -/
theorem t1 : True := by
wait_for_unblock_async
trivial
example : True := by
trivial
--^ waitFor: blocked
--^ insert: "; unblock"
--^ collectDiagnostics
-- (should print "blocked" exactly once)
-- RESET
import Lean.Server.Test.Cancel
open Lean.Server.Test.Cancel
/-! Changes in a tactic should not invalidate async tasks of previous tactics. -/
theorem t1 : True := by
wait_for_unblock_async
trivial
--^ waitFor: blocked
--^ insert: "; unblock"
--^ collectDiagnostics
-- (should print "blocked" exactly once)
-- RESET
import Lean.Server.Test.Cancel
open Lean.Server.Test.Cancel
/-! Changes in a tactic *should* invalidate async tasks of subsequent tactics. -/
theorem t1 : True := by
skip
--^ waitFor: blocked
--^ insert: "; skip"
--^ collectDiagnostics
-- (should never print "blocked")
wait_for_cancel_once_async
trivial
-- RESET
import Lean.Server.Test.Cancel
open Lean.Server.Test.Cancel
/-! Changes in the body should not invalidate header async tasks. -/
theorem t1 : (by wait_for_unblock_async; exact True) := by
skip
--^ waitFor: blocked
--^ insert: "; unblock"
--^ collectDiagnostics
-- (should print "blocked" exactly once)
trivial
-- RESET
import Lean.Server.Test.Cancel
open Lean.Server.Test.Cancel
/-! Changes in the header *should* invalidate header async tasks. -/
theorem t1 : (by wait_for_cancel_once_async; exact True) := by
--^ waitFor: blocked
--^ insert: "'"
--^ collectDiagnostics
-- (should never print "blocked")
trivial
-- RESET
import Lean.Server.Test.Cancel
open Lean.Server.Test.Cancel
/-! Changes in the body (without incrementality) *should* invalidate body async tasks. -/
theorem t1 : True := (by
skip
--^ waitFor: blocked
--^ insert: "; skip"
--^ collectDiagnostics
-- (should never print "blocked")
wait_for_cancel_once_async
trivial)