testsuite: add tests for post-job-event

Problem: There's no tests for the `flux post-job-event` utility.

Add a new sharness test t2815-post-job-event.t.

Author: grondo

t/Makefile.am

@@ -233,6 +233,7 @@ TESTSCRIPTS = \
 	t2812-flux-job-last.t \
 	t2813-flux-watch.t \
 	t2814-hostlist-cmd.t \
+	t2815-post-job-event.t \
 	t2900-job-timelimits.t \
 	t3000-mpi-basic.t \
 	t3001-mpi-personalities.t \

t/t2815-post-job-event.t

@@ -0,0 +1,41 @@
+#!/bin/sh
+
+test_description='Test flux post-job-event command'
+
+. $(dirname $0)/sharness.sh
+
+test_under_flux 1
+
+test_expect_success 'run a test job' '
+	JOBID=$(flux submit --wait-event=start sleep inf)
+'
+test_expect_success 'flux-post-job-event --help works' '
+	flux post-job-event --help >help.out &&
+	test_debug "cat help.out" &&
+	grep "name of event to post" help.out
+'
+test_expect_success 'flux-post-job-event can post a simple event' '
+	flux post-job-event $JOBID test &&
+	flux job wait-event -t15 $JOBID test
+'
+test_expect_success 'flux-post-job-event can post an event with context' '
+	flux post-job-event $JOBID test note=testing  &&
+	flux job wait-event -m note=testing -t15 $JOBID test 
+'
+test_expect_success 'flux-post-job-event can post multiple context keys' '
+	flux post-job-event $JOBID test note=test2 status=0  &&
+	flux job wait-event -m note=test2 -t15 $JOBID test  &&
+	flux job wait-event -m status=0 -t15 $JOBID test 
+'
+test_expect_success 'flux-post-job-event fails for invalid job' '
+	test_must_fail flux post-job-event f123 test note="test event"
+'
+test_expect_success 'flux-post-job-event fails for inactive job' '
+	flux cancel $JOBID &&
+	flux job wait-event $JOBID clean &&
+	test_must_fail flux post-job-event $JOBID test note="test event"
+'
+test_expect_success 'flux-post-job-event fails with invalid id' '
+	test_must_fail flux post-job-event baz test
+'
+test_done