t: add tests for plugin config update

Problem: There exist no tests for updating the plugin via conf-update.

Add some tests.

t/Makefile.am

@@ -35,6 +35,7 @@ TESTSCRIPTS = \
 	t1031-mf-priority-issue406.t \
 	t1032-mf-priority-update-bank.t \
 	t1033-mf-priority-update-job.t \
+	t1034-mf-priority-config.t \
 	t5000-valgrind.t \
 	python/t1000-example.py
 

t/t1034-mf-priority-config.t

@@ -0,0 +1,87 @@
+#!/bin/bash
+
+test_description='Test configuring weights of multi-factor priority factors'
+
+. `dirname $0`/sharness.sh
+MULTI_FACTOR_PRIORITY=${FLUX_BUILD_DIR}/src/plugins/.libs/mf_priority.so
+SUBMIT_AS=${SHARNESS_TEST_SRCDIR}/scripts/submit_as.py
+SEND_PAYLOAD=${SHARNESS_TEST_SRCDIR}/scripts/send_payload.py
+DB_PATH=$(pwd)/FluxAccountingTest.db
+
+mkdir -p config
+
+export TEST_UNDER_FLUX_NO_JOB_EXEC=y
+export TEST_UNDER_FLUX_SCHED_SIMPLE_MODE="limited=1"
+test_under_flux 1 job -o,--config-path=$(pwd)/config
+
+flux setattr log-stderr-level 1
+
+test_expect_success 'load plugin successfully without configuration' '
+  	flux jobtap load ${MULTI_FACTOR_PRIORITY}
+'
+
+test_expect_success 'create a flux-accounting DB' '
+	flux account -p ${DB_PATH} create-db
+'
+
+test_expect_success 'start flux-accounting service' '
+	flux account-service -p ${DB_PATH} -t
+'
+
+test_expect_success 'add some banks to the DB' '
+	flux account -p ${DB_PATH} add-bank root 1 &&
+	flux account -p ${DB_PATH} add-bank --parent-bank=root bankA 1
+'
+
+test_expect_success 'add a user to the DB' '
+	flux account -p ${DB_PATH} add-user --username=user1001 --userid=1001 --bank=bankA
+'
+
+test_expect_success 'send flux-accounting DB information to the plugin' '
+	flux account-priority-update -p $(pwd)/FluxAccountingTest.db
+'
+
+test_expect_success 'no configured priority factors will use default weights' '
+	job1=$(flux python ${SUBMIT_AS} 1001 -n1 hostname) &&
+	flux job wait-event -f json $job1 priority | jq '.context.priority' > job1.test &&
+	grep "50000" job1.test &&
+	flux job cancel $job1
+'
+
+test_expect_success 'set up new configuration for multi-factor priority plugin' '
+	cat >config/test.toml <<-EOT &&
+	[priority_factors]
+	fshare_weight = 1000
+	queue_weight = 100
+	EOT
+	flux config reload
+'
+
+test_expect_success 'successfully submit a job with loaded configuration' '
+	job2=$(flux python ${SUBMIT_AS} 1001 -n1 hostname) &&
+	flux job wait-event -f json $job2 priority | jq '.context.priority' > job2.test &&
+	grep "500" job2.test &&
+	flux job cancel $job2
+'
+
+test_expect_success 'change the configuration for the priority factors' '
+	cat >config/test.toml <<-EOT &&
+	[priority_factors]
+	fshare_weight = 500
+	queue_weight = 100
+	EOT
+	flux config reload
+'
+
+test_expect_success 'successfully submit a job with the new configuration' '
+	job3=$(flux python ${SUBMIT_AS} 1001 -n1 hostname) &&
+	flux job wait-event -f json $job3 priority | jq '.context.priority' > job3.test &&
+	grep "250" job3.test &&
+	flux job cancel $job3
+'
+
+test_expect_success 'shut down flux-accounting service' '
+	flux python -c "import flux; flux.Flux().rpc(\"accounting.shutdown_service\").get()"
+'
+
+test_done