testsuite: add t0005-exec-jobid.t

Problem: There are no tests of the flux-exec --jobid option.

Add a new sharness test for this option, since it requires that the
tests be able to run jobs, as opposed to the basic flux-exec testing,
which does not.

t/Makefile.am

@@ -70,6 +70,7 @@ TESTSCRIPTS = \
 	t0004-event.t \
 	t0005-exec.t \
 	t0005-rexec.t \
+	t0005-exec-jobid.t \
 	t0007-ping.t \
 	t0008-attr.t \
 	t0009-dmesg.t \

t/t0005-exec-jobid.t

@@ -0,0 +1,81 @@
+#!/bin/sh
+#
+
+test_description='Test exec command --jobid option
+
+Test exec --jobid functionality
+'
+
+. `dirname $0`/sharness.sh
+SIZE=4
+test_under_flux ${SIZE} job
+
+TMPDIR=$(cd /tmp && $(which pwd))
+
+test_expect_success 'flux exec --jobid fails with invalid job id' '
+	test_expect_code 1 flux exec --jobid=f-o-o true 2>badid.err &&
+	test_debug "cat badid.err" &&
+	grep "error parsing jobid" badid.err
+'
+test_expect_success 'flux exec --jobid fails for nonexistent job id' '
+	test_expect_code 1 flux exec --jobid=f1 true 2>noid.err &&
+	test_debug "cat noid.err" &&
+	grep "not found" noid.err
+'
+test_expect_success 'run two jobs on different ranks' '
+	flux submit --wait-event=start --bcc=1-2 -N1 sleep inf &&
+	id1=$(flux job last [-1:]) &&
+	id2=$(flux job last) &&
+	test_debug "flux jobs -no \"{id} {ranks}\""
+'
+test_expect_success 'flux exec --jobid works' '
+	rank1=$(flux exec --jobid=$id1 flux getattr rank) &&
+	rank2=$(flux exec --jobid=$id2 flux getattr rank) &&
+	test_debug "echo flux exec --jobid=$id1 ran on rank $rank1" &&
+	test_debug "echo flux exec --jobid=$id2 ran on rank $rank2" &&
+	test $rank1 -eq $(flux jobs -no {ranks} $id1) &&
+	test $rank2 -eq $(flux jobs -no {ranks} $id2)
+'
+test_expect_success 'run one job on two ranks' '
+	jobid=$(flux submit --wait-event=start -N2 sleep inf)
+'
+test_expect_success 'flux exec --jobid on multi-node jobs runs on all ranks' '
+	flux exec --jobid=$jobid --label-io flux getattr rank >2node.out &&
+	test_debug "cat 2node.out" &&
+	grep "2: 2" 2node.out &&
+	grep "3: 3" 2node.out
+'
+test_expect_success 'flux exec --jobid works with --rank option' '
+	flux exec --jobid=$jobid -r 0 flux getattr rank &&
+	test $(flux exec --jobid=$jobid -r 0 flux getattr rank) -eq 2 &&
+	flux exec --jobid=$jobid -r 1 flux getattr rank &&
+	test $(flux exec --jobid=$jobid -r 1 flux getattr rank) -eq 3
+'
+test_expect_success 'flux exec --jobid fails with invalid --rank option' '
+	test_must_fail flux exec --jobid=$jobid -r 3 hostname &&
+	test_must_fail flux exec --jobid=$jobid -r 0-3 hostname
+'
+test_expect_success 'flux exec --jobid works with --exclude option' '
+	flux exec --jobid=$jobid -x 0 flux getattr rank &&
+	test $(flux exec --jobid=$jobid -x 0 flux getattr rank) -eq 3 &&
+	flux exec --jobid=$jobid -x 1 flux getattr rank &&
+	test $(flux exec --jobid=$jobid -x 1 flux getattr rank) -eq 2
+'
+test_expect_success 'flux exec --jobid fails with invalid --exclude option' '
+	test_must_fail flux exec --jobid=$jobid -x 3 hostname &&
+	test_must_fail flux exec --jobid=$jobid -x 0-3 hostname
+'
+test_expect_success 'flux exec --jobid fails if there are no ranks to target' '
+	test_must_fail flux exec --jobid=$jobid -x 0-1 hostname
+'
+test_expect_success 'cancel jobs' '
+	flux cancel --all &&
+	flux job wait-event $id1 clean
+'
+test_expect_success 'flux exec --jobid on inactive job fails' '
+	test_must_fail flux exec --jobid=$id1 hostname 2>inactive.err &&
+	test_debug "cat inactive.err" &&
+	grep "not currently running" inactive.err
+'
+
+test_done