Test that Cylc Rose workflow config retrieval respect compat mode (#2779

)

added a test for a fix to cylc/cylc-rose#319

t/rose-task-run/45-app-fcm-make-compat_mode.t

@@ -0,0 +1,58 @@
+#!/usr/bin/env bash
+#-------------------------------------------------------------------------------
+# Copyright (C) British Crown (Met Office) & Contributors.
+#
+# This file is part of Rose, a framework for meteorological suites.
+#
+# Rose 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.
+#
+# Rose 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 Rose. If not, see <http://www.gnu.org/licenses/>.
+#-------------------------------------------------------------------------------
+# Compatibility Mode Test
+# Ensure that when Cylc Rose gets workflow config that
+# compatibility run mode isn't changed.
+# https://github.com/cylc/cylc-rose/issues/319
+# To do this we check that the error for the fcm_make task derives
+# from the platform for the fcm_make2 task is garbage,
+# not from the config becoming illegal because compat mode has
+# been switched off.
+#-------------------------------------------------------------------------------
+. "$(dirname "$0")/test_header"
+
+tests 3
+export ROSE_CONF_PATH=
+get_reg
+
+run_pass "${TEST_KEY_BASE}-install" \
+    cylc install \
+        --workflow-name="${FLOW}" \
+        --no-run-name \
+        "${TEST_SOURCE_DIR}/${TEST_KEY_BASE}"
+
+run_fail "${TEST_KEY_BASE}-play" \
+    timeout 120 \
+        cylc play \
+            "${FLOW}" \
+            --abort-if-any-task-fails \
+            --host='localhost' \
+            --no-detach \
+            --debug
+
+# It is an error you would expect in compat mode.
+# If we had turned compat mode off this would be a graphing error:
+#   "Output fcm_make:failed can't be both required and optional"
+file_grep "${TEST_KEY_BASE}-grep-failure" \
+    'No matching platform "any_old_thing" found' \
+    "${HOME}/cylc-run/${FLOW}/log/job/1/fcm_make/NN/job.err"
+
+purge
+exit 0

t/rose-task-run/45-app-fcm-make-compat_mode/app/fcm_make/file/src/hello.f90

@@ -0,0 +1,3 @@
+program hello
+write(*, '(a)') 'Hello World!'
+end program hello

t/rose-task-run/45-app-fcm-make-compat_mode/app/fcm_make/rose-app.conf

@@ -0,0 +1 @@
+mode=fcm_make

t/rose-task-run/45-app-fcm-make-compat_mode/suite.rc

@@ -0,0 +1,16 @@
+#!jinja2
+[cylc]
+    UTC mode = True
+[scheduling]
+    [[dependencies]]
+        graph = """
+            fcm_make:finish => fin
+            fcm_make:fail => fin
+        """
+
+[runtime]
+    [[fcm_make]]
+        script = rose task-run --app-key=fcm_make --new
+    [[fcm_make2]]
+        platform = any_old_thing
+    [[fin]]