test https://github.com/cylc/cylc-flow/issues/6398

tests/functional/cylc-trigger/07-kill-trigger.t

@@ -0,0 +1,32 @@
+#!/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/>.
+#-------------------------------------------------------------------------------
+# Test killing a job, then re-triggering it whilst it is "held".
+# See https://github.com/cylc/cylc-flow/issues/6398
+
+. "$(dirname "$0")/test_header"
+
+set_test_number 2
+
+install_workflow "${TEST_NAME_BASE}" "${TEST_NAME_BASE}"
+
+run_ok "${TEST_NAME_BASE}-validate" cylc validate "${WORKFLOW_NAME}"
+
+workflow_run_ok "${TEST_NAME_BASE}-run" \
+    cylc play --debug --no-detach "${WORKFLOW_NAME}"
+
+purge

tests/functional/cylc-trigger/07-kill-trigger/flow.cylc

@@ -0,0 +1,22 @@
+[scheduler]
+    [[events]]
+        inactivity timeout = PT1M
+
+[scheduling]
+    [[graph]]
+        R1 = a
+
+[runtime]
+    [[a]]
+        script = """
+            if [[ $CYLC_TASK_SUBMIT_NUMBER == 1 ]]; then
+                # wait for the scheduler to receive the started message,
+                # then kill the job
+                cylc__job__poll_grep_workflow_log -E '1/a.*running'
+                cylc kill "${CYLC_WORKFLOW_ID}//1/a"
+            fi
+        """
+        [[[events]]]
+            # when the scheduler receives the failed message, trigger the task
+            # to run again, it should run instantly
+            failed handlers = cylc trigger "%(workflow)s//1/a"

tests/functional/cylc-trigger/07-kill-trigger/reference.log

@@ -0,0 +1,2 @@
+1/a -triggered off [] in flow 1
+1/a -triggered off [] in flow 1