test #4619

tests/functional/spawn-on-demand/13-trigger-runahead.t

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+# THIS FILE IS PART OF THE CYLC WORKFLOW ENGINE.
+# Copyright (C) NIWA & British Crown (Met Office) & Contributors.
+# 
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#-------------------------------------------------------------------------------
+
+# Check correct behaviour if a parentless task is manually triggered whilst
+# runahead-limited. See GitHub #4619.
+
+. "$(dirname "$0")/test_header"
+set_test_number 2
+reftest
+exit

tests/functional/spawn-on-demand/13-trigger-runahead/flow.cylc

@@ -0,0 +1,18 @@
+# This workflow should behave the same as if foo.1 did not trigger foo.2.
+
+[scheduling]
+   cycling mode = integer
+   initial cycle point = 1
+   final cycle point = 4
+   runahead limit = P1
+   [[graph]]
+      P1 = foo
+[runtime]
+   [[foo]]
+      script = """
+         cylc__job__wait_cylc_message_started
+         if ((CYLC_TASK_CYCLE_POINT == 1)); then
+            # Force trigger next instance while it is runahead limited.
+            cylc trigger $CYLC_WORKFLOW_NAME//3/foo
+         fi
+      """

tests/functional/spawn-on-demand/13-trigger-runahead/reference.log

@@ -0,0 +1,6 @@
+Initial point: 1
+Final point: 3
+1/foo -triggered off []
+2/foo -triggered off []
+3/foo -triggered off []
+4/foo -triggered off []