t: add simple test for flux-simulator

t/simulator/job-traces/10-multi-node.csv

@@ -0,0 +1,11 @@
+JobID,NNodes,NCPUS,Timelimit,Submit,Elapsed
+ 1,10,160,00:10:00,2019-01-01T00:00:00,00:06:00
+ 2,10,160,00:10:00,2019-01-01T00:00:00,00:06:00
+ 3,10,160,00:10:00,2019-01-01T00:00:00,00:06:00
+ 4,10,160,00:10:00,2019-01-01T00:00:00,00:06:00
+ 5,10,160,00:10:00,2019-01-01T00:00:00,00:06:00
+ 6,10,160,00:10:00,2019-01-01T00:00:00,00:06:00
+ 7,10,160,00:10:00,2019-01-01T00:00:00,00:06:00
+ 8,10,160,00:10:00,2019-01-01T00:00:00,00:06:00
+ 9,10,160,00:10:00,2019-01-01T00:00:00,00:06:00
+10,10,160,00:10:00,2019-01-01T00:00:00,00:06:00

t/simulator/job-traces/10-single-node.csv

@@ -0,0 +1,11 @@
+JobID,NNodes,NCPUS,Timelimit,Submit,Elapsed
+ 1,1,16,00:10:00,2019-01-01T00:00:00,00:06:00
+ 2,1,16,00:10:00,2019-01-01T00:00:00,00:06:00
+ 3,1,16,00:10:00,2019-01-01T00:00:00,00:06:00
+ 4,1,16,00:10:00,2019-01-01T00:00:00,00:06:00
+ 5,1,16,00:10:00,2019-01-01T00:00:00,00:06:00
+ 6,1,16,00:10:00,2019-01-01T00:00:00,00:06:00
+ 7,1,16,00:10:00,2019-01-01T00:00:00,00:06:00
+ 8,1,16,00:10:00,2019-01-01T00:00:00,00:06:00
+ 9,1,16,00:10:00,2019-01-01T00:00:00,00:06:00
+10,1,16,00:10:00,2019-01-01T00:00:00,00:06:00

t/t9000-simulation.t

@@ -0,0 +1,36 @@
+#!/bin/sh
+
+test_description='Test flux simulator command'
+
+. $(dirname $0)/sharness.sh
+
+test_under_flux 1
+
+# Set CLIMain log level to logging.DEBUG (10), to enable stack traces
+export FLUX_PYCLI_LOGLEVEL=10
+
+flux setattr log-stderr-level 1
+
+SIM_JOBTRACES_DIR=${SHARNESS_TEST_SRCDIR}/simulator/job-traces
+
+test_expect_success 'flux simulator fails with usage message' '
+	test_must_fail flux simulator 2>usage.err &&
+	grep -i usage: usage.err
+'
+
+test_expect_success 'flux simulator with single node works' '
+	flux simulator $SIM_JOBTRACES_DIR/10-single-node.csv 1 16 >run1.out &&
+    grep -i "utilization: 100" run1.out
+'
+
+test_expect_success 'flux simulator with multiple nodes works' '
+	flux simulator $SIM_JOBTRACES_DIR/10-single-node.csv 3 16 >run2.out &&
+    grep -i "utilization: 83" run2.out
+'
+
+test_expect_failure 'flux simulator errors out on unstaisfiable jobs' '
+	run_timeout 5 flux simulator $SIM_JOBTRACES_DIR/10-multi-node.csv 1 16 >run3.out 2>run3.err &&
+    grep -i "unsatisfiable" run3.err
+'
+
+test_done