t2100-aggregate.t: Expand aggregator testing

Add tests to ensure floating point, string, and complex object types
work as the value target of aggregates.

t/t2100-aggregate.t

@@ -17,6 +17,35 @@ test_expect_success 'flux-aggreagate: works' '
     $kvscheck test "x.count == 8"
 '
 
+test_expect_success 'flux-aggreagate: works for floating-point numbers' '
+    run_timeout 2 flux exec -r 0-7 flux aggregate test 1.825 &&
+    $kvscheck test "x.count == 8" &&
+    $kvscheck test "x.min == 1.825" &&
+    $kvscheck test "x.max == 1.825"
+'
+test_expect_success 'flux-aggreagate: works for strings' '
+    run_timeout 2 flux exec -r 0-7 flux aggregate test foo &&
+    flux kvs get test &&
+    $kvscheck test "x.count == 8" &&
+    $kvscheck test "x.entries[\"[0-7]\"] == \"foo\""
+'
+test_expect_success 'flux-aggreagate: works for arrays' '
+    run_timeout 2 flux exec -r 0-7 flux aggregate -e "{7,8,9}" test &&
+    flux kvs get test &&
+    $kvscheck test "x.count == 8" &&
+    $kvscheck test "#x.entries[\"[0-7]\"] == 3" &&
+    $kvscheck test "x.entries[\"[0-7]\"][1] == 7" &&
+    $kvscheck test "x.entries[\"[0-7]\"][2] == 8" &&
+    $kvscheck test "x.entries[\"[0-7]\"][3] == 9"
+'
+test_expect_success 'flux-aggreagate: works for objects' '
+    run_timeout 2 flux exec -r 0-7 flux aggregate \
+                                   -e "{foo = 42, bar = {baz = 2}}" test &&
+    flux kvs get test &&
+    $kvscheck test "x.count == 8" &&
+    $kvscheck test "x.entries[\"[0-7]\"].foo == 42" &&
+    $kvscheck test "x.entries[\"[0-7]\"].bar.baz == 2"
+'
 test_expect_success 'flux-aggregate: abort works' '
     test_expect_code 1 run_timeout 5 flux exec -r 0-7 flux aggregate . 1
 '
@@ -28,6 +57,13 @@ test_expect_success 'flux-aggregate: different value per rank' '
     $kvstest test "x.max == 7"
 '
 
+test_expect_success 'flux-aggregate: different fp value per rank' '
+    run_timeout 2 flux exec -r 0-7 bash -c "flux aggregate test 1.\$(flux getattr rank)" &&
+    $kvstest test "x.count == 8" &&
+    $kvstest test "x.min == 1" &&
+    $kvstest test "x.max == 1.7"
+'
+
 test_expect_success 'flux-aggregate: --timeout=0. - immediate forward' '
     run_timeout 2 flux exec -r 0-7 flux aggregate -t 0. test 1 &&
     $kvstest test "x.count == 8" &&