[nagiosplug] check_snmp: added threshold tests

Nagios Plugin Development nagios-plugins at users.sourceforge.net
Wed Aug 21 16:10:35 CEST 2013


 Module: nagiosplug
 Branch: master
 Commit: d57941c4d2e62313f7aafacddcd92c2201381ad1
 Author: Sven Nierlein <sven at nierlein.de>
   Date: Wed Aug 21 15:59:56 2013 +0200
    URL: http://nagiosplug.git.sf.net/git/gitweb.cgi?p=nagiosplug/nagiosplug;a=commit;h=d57941c

check_snmp: added threshold tests

---

 plugins/t/check_snmp.t |  293 +++++++++++++++++++++++++----------------------
 1 files changed, 156 insertions(+), 137 deletions(-)

diff --git a/plugins/t/check_snmp.t b/plugins/t/check_snmp.t
index 04bf500..6de5f29 100644
--- a/plugins/t/check_snmp.t
+++ b/plugins/t/check_snmp.t
@@ -8,145 +8,164 @@ use strict;
 use Test::More;
 use NPTest;
 
-my $tests = 8+42+2+2;
-plan tests => $tests;
+BEGIN {
+    plan skip_all => 'check_snmp is not compiled' unless -x "./check_snmp";
+    plan tests => 60;
+}
+
 my $res;
 
+my $host_snmp = getTestParameter( "host_snmp",          "NP_HOST_SNMP",      "localhost",
+                                  "A host providing an SNMP Service");
+
+my $snmp_community = getTestParameter( "snmp_community",     "NP_SNMP_COMMUNITY", "public",
+                                       "The SNMP Community string for SNMP Testing (assumes snmp v1)" );
+
+my $host_nonresponsive = getTestParameter( "host_nonresponsive", "NP_HOST_NONRESPONSIVE", "10.0.0.1",
+                                           "The hostname of system not responsive to network requests" );
+
+my $hostname_invalid   = getTestParameter( "hostname_invalid",   "NP_HOSTNAME_INVALID",   "nosuchhost",
+                                           "An invalid (not known to DNS) hostname" );
+
+$res = NPTest->testCmd( "./check_snmp -t 1" );
+is( $res->return_code, 3, "No host name" );
+is( $res->output, "No host specified" );
+
+$res = NPTest->testCmd( "./check_snmp -H fakehostname" );
+is( $res->return_code, 3, "No OIDs specified" );
+is( $res->output, "No OIDs specified" );
+
+$res = NPTest->testCmd( "./check_snmp -H fakehost -o oids -P 3 --seclevel=rubbish" );
+is( $res->return_code, 3, "Invalid seclevel" );
+like( $res->output, "/check_snmp: Invalid seclevel - rubbish/" );
+
+$res = NPTest->testCmd( "./check_snmp -H fakehost -o oids -P 3c" );
+is( $res->return_code, 3, "Invalid protocol" );
+like( $res->output, "/check_snmp: Invalid SNMP version - 3c/" );
+
+SKIP: {
+    skip "no snmp host defined", 38 if ( ! $host_snmp );
+
+    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o system.sysUpTime.0 -w 1: -c 1:");
+    cmp_ok( $res->return_code, '==', 0, "Exit OK when querying uptime" );
+    like($res->output, '/^SNMP OK - (\d+)/', "String contains SNMP OK");
+    $res->output =~ /^SNMP OK - (\d+)/;
+    my $value = $1;
+    cmp_ok( $value, ">", 0, "Got a time value" );
+    like($res->perf_output, "/sysUpTime.*$1/", "Got perfdata with value '$1' in it");
+
+
+    # some more threshold tests
+    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o system.sysUpTime.0 -c 1");
+    cmp_ok( $res->return_code, '==', 2, "Threshold test -c 1" );
+
+    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o system.sysUpTime.0 -c 1:");
+    cmp_ok( $res->return_code, '==', 0, "Threshold test -c 1:" );
+
+    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o system.sysUpTime.0 -c ~:1");
+    cmp_ok( $res->return_code, '==', 2, "Threshold test -c ~:1" );
+
+    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o system.sysUpTime.0 -c 1:10");
+    cmp_ok( $res->return_code, '==', 2, "Threshold test -c 1:10" );
+
+    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o system.sysUpTime.0 -c \@1:10");
+    cmp_ok( $res->return_code, '==', 0, "Threshold test -c \@1:10" );
+
+    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o system.sysUpTime.0 -c 10:1");
+    cmp_ok( $res->return_code, '==', 0, "Threshold test -c 10:1" );
+
+
+    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o .1.3.6.1.2.1.1.3.0 -w 1: -c 1:");
+    cmp_ok( $res->return_code, '==', 0, "Test with numeric OID (no mibs loaded)" );
+    like($res->output, '/^SNMP OK - \d+/', "String contains SNMP OK");
+
+    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o system.sysDescr.0");
+    cmp_ok( $res->return_code, '==', 0, "Exit OK when querying sysDescr" );
+    unlike($res->perf_output, '/sysDescr/', "Perfdata doesn't contain string values");
+
+    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o system.sysDescr.0,system.sysDescr.0");
+    cmp_ok( $res->return_code, '==', 0, "Exit OK when querying two string OIDs, comma-separated" );
+    like($res->output, '/^SNMP OK - /', "String contains SNMP OK");
+
+    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o system.sysDescr.0 -o system.sysDescr.0");
+    cmp_ok( $res->return_code, '==', 0, "Exit OK when querying two string OIDs, repeated option" );
+    like($res->output, '/^SNMP OK - /', "String contains SNMP OK");
+
+    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o host.hrSWRun.hrSWRunTable.hrSWRunEntry.hrSWRunIndex.1 -w 1:1 -c 1:1");
+    cmp_ok( $res->return_code, '==', 0, "Exit OK when querying hrSWRunIndex.1" );
+    like($res->output, '/^SNMP OK - 1\s.*$/', "String fits SNMP OK and output format");
+
+    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o host.hrSWRun.hrSWRunTable.hrSWRunEntry.hrSWRunIndex.1 -w 0   -c 1:");
+    cmp_ok( $res->return_code, '==', 1, "Exit WARNING when querying hrSWRunIndex.1 and warn-th doesn't apply " );
+    like($res->output, '/^SNMP WARNING - \*1\*\s.*$/', "String matches SNMP WARNING and output format");
+
+    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o host.hrSWRun.hrSWRunTable.hrSWRunEntry.hrSWRunIndex.1 -w  :0 -c 0");
+    cmp_ok( $res->return_code, '==', 2, "Exit CRITICAL when querying hrSWRunIndex.1 and crit-th doesn't apply" );
+    like($res->output, '/^SNMP CRITICAL - \*1\*\s.*$/', "String matches SNMP CRITICAL and output format");
+
+    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o ifIndex.2,ifIndex.1 -w 1:2 -c 1:2");
+    cmp_ok( $res->return_code, '==', 0, "Checking two OIDs at once" );
+    like($res->output, "/^SNMP OK - 2 1/", "Got two values back" );
+    like( $res->perf_output, "/ifIndex.2=2/", "Got 1st perf data" );
+    like( $res->perf_output, "/ifIndex.1=1/", "Got 2nd perf data" );
+
+    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o ifIndex.2,ifIndex.1 -w 1:2,1:2 -c 2:2,2:2");
+    cmp_ok( $res->return_code, '==', 2, "Checking critical threshold is passed if any one value crosses" );
+    like($res->output, "/^SNMP CRITICAL - 2 *1*/", "Got two values back" );
+    like( $res->perf_output, "/ifIndex.2=2/", "Got 1st perf data" );
+    like( $res->perf_output, "/ifIndex.1=1/", "Got 2nd perf data" );
+
+    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o host.hrStorage.hrMemorySize.0,host.hrSystem.hrSystemProcesses.0 -w 1:,1: -c 1:,1:");
+    cmp_ok( $res->return_code, '==', 0, "Exit OK when querying hrMemorySize and hrSystemProcesses");
+    like($res->output, '/^SNMP OK - \d+ \d+/', "String contains hrMemorySize and hrSystemProcesses");
+
+    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o host.hrSWRun.hrSWRunTable.hrSWRunEntry.hrSWRunIndex.1 -w \@:0 -c \@0");
+    cmp_ok( $res->return_code, '==', 0, "Exit OK with inside-range thresholds");
+    like($res->output, '/^SNMP OK - 1\s.*$/', "String matches SNMP OK and output format");
+
+    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o enterprises.ucdavis.laTable.laEntry.laLoad.3");
+    $res->output =~ m/^SNMP OK - (\d+\.\d{2})\s.*$/;
+    my $lower = $1 - 0.05;
+    my $higher = $1 + 0.05;
+    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o enterprises.ucdavis.laTable.laEntry.laLoad.3 -w $lower -c $higher");
+    cmp_ok( $res->return_code, '==', 1, "Exit WARNING with fractionnal arguments");
+
+    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o system.sysUpTime.0,host.hrSWRun.hrSWRunTable.hrSWRunEntry.hrSWRunIndex.1 -w ,:0 -c ,:2");
+    cmp_ok( $res->return_code, '==', 1, "Exit WARNING on 2nd threshold");
+    like($res->output, '/^SNMP WARNING - Timeticks:\s\(\d+\)\s+(?:\d+ days?,\s+)?\d+:\d+:\d+\.\d+\s+\*1\*\s.*$/', "First OID returned as string, 2nd checked for thresholds");
+
+    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o host.hrSWRun.hrSWRunTable.hrSWRunEntry.hrSWRunIndex.1 -w '' -c ''");
+    cmp_ok( $res->return_code, '==', 0, "Empty thresholds doesn't crash");
+
+    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o host.hrStorage.hrMemorySize.0,host.hrSystem.hrSystemProcesses.0 -w ,,1 -c ,,2");
+    cmp_ok( $res->return_code, '==', 0, "Skipping first two thresholds on 2 OID check");
+    like($res->output, '/^SNMP OK - \d+ \w+ \d+\s.*$/', "Skipping first two thresholds, result printed rather than parsed");
+
+    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o host.hrStorage.hrMemorySize.0,host.hrSystem.hrSystemProcesses.0 -w ,, -c ,,");
+    cmp_ok( $res->return_code, '==', 0, "Skipping all thresholds");
+    like($res->output, '/^SNMP OK - \d+ \w+ \d+\s.*$/', "Skipping all thresholds, result printed rather than parsed");
+
+    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o system.sysUpTime.0 -c 1000000000000: -u '1/100 sec'");
+    cmp_ok( $res->return_code, '==', 2, "Timetick used as a threshold");
+    like($res->output, '/^SNMP CRITICAL - \*\d+\* 1\/100 sec.*$/', "Timetick used as a threshold, parsed as numeric");
+
+    $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o system.sysUpTime.0");
+    cmp_ok( $res->return_code, '==', 0, "Timetick used as a string");
+    like($res->output, '/^SNMP OK - Timeticks:\s\(\d+\)\s+(?:\d+ days?,\s+)?\d+:\d+:\d+\.\d+\s.*$/', "Timetick used as a string, result printed rather than parsed");
+}
+
+# These checks need a complete command line. An invalid community is used so
+# the tests can run on hosts w/o snmp host/community in NPTest.cache. Execution will fail anyway
 SKIP: {
-	skip "check_snmp is not compiled", $tests if ( ! -x "./check_snmp" );
-
-	my $host_snmp = getTestParameter( "host_snmp",          "NP_HOST_SNMP",      "localhost",
-	                                   "A host providing an SNMP Service");
-
-	my $snmp_community = getTestParameter( "snmp_community",     "NP_SNMP_COMMUNITY", "public",
-                                           "The SNMP Community string for SNMP Testing (assumes snmp v1)" );
-
-	my $host_nonresponsive = getTestParameter( "host_nonresponsive", "NP_HOST_NONRESPONSIVE", "10.0.0.1",
-	                                           "The hostname of system not responsive to network requests" );
-
-	my $hostname_invalid   = getTestParameter( "hostname_invalid",   "NP_HOSTNAME_INVALID",   "nosuchhost",
-	                                           "An invalid (not known to DNS) hostname" );
-
-	$res = NPTest->testCmd( "./check_snmp -t 1" );
-	is( $res->return_code, 3, "No host name" );
-	is( $res->output, "No host specified" );
-	
-	$res = NPTest->testCmd( "./check_snmp -H fakehostname" );
-	is( $res->return_code, 3, "No OIDs specified" );
-	is( $res->output, "No OIDs specified" );
-
-	$res = NPTest->testCmd( "./check_snmp -H fakehost -o oids -P 3 --seclevel=rubbish" );
-	is( $res->return_code, 3, "Invalid seclevel" );
-	like( $res->output, "/check_snmp: Invalid seclevel - rubbish/" );
-
-	$res = NPTest->testCmd( "./check_snmp -H fakehost -o oids -P 3c" );
-	is( $res->return_code, 3, "Invalid protocol" );
-	like( $res->output, "/check_snmp: Invalid SNMP version - 3c/" );
-
-	SKIP: {
-		skip "no snmp host defined", 38 if ( ! $host_snmp );
-
-		$res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o system.sysUpTime.0 -w 1: -c 1:");
-		cmp_ok( $res->return_code, '==', 0, "Exit OK when querying uptime" );
-		like($res->output, '/^SNMP OK - (\d+)/', "String contains SNMP OK");
-		$res->output =~ /^SNMP OK - (\d+)/;
-		my $value = $1;
-		cmp_ok( $value, ">", 0, "Got a time value" );
-		like($res->perf_output, "/sysUpTime.*$1/", "Got perfdata with value '$1' in it");
-
-		$res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o .1.3.6.1.2.1.1.3.0 -w 1: -c 1:");
-		cmp_ok( $res->return_code, '==', 0, "Test with numeric OID (no mibs loaded)" );
-		like($res->output, '/^SNMP OK - \d+/', "String contains SNMP OK");
-
-		$res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o system.sysDescr.0");
-		cmp_ok( $res->return_code, '==', 0, "Exit OK when querying sysDescr" );
-		unlike($res->perf_output, '/sysDescr/', "Perfdata doesn't contain string values");
-
-		$res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o system.sysDescr.0,system.sysDescr.0");
-		cmp_ok( $res->return_code, '==', 0, "Exit OK when querying two string OIDs, comma-separated" );
-		like($res->output, '/^SNMP OK - /', "String contains SNMP OK");
-
-		$res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o system.sysDescr.0 -o system.sysDescr.0");
-		cmp_ok( $res->return_code, '==', 0, "Exit OK when querying two string OIDs, repeated option" );
-		like($res->output, '/^SNMP OK - /', "String contains SNMP OK");
-
-		$res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o host.hrSWRun.hrSWRunTable.hrSWRunEntry.hrSWRunIndex.1 -w 1:1 -c 1:1");
-		cmp_ok( $res->return_code, '==', 0, "Exit OK when querying hrSWRunIndex.1" );
-		like($res->output, '/^SNMP OK - 1\s.*$/', "String fits SNMP OK and output format");
-
-		$res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o host.hrSWRun.hrSWRunTable.hrSWRunEntry.hrSWRunIndex.1 -w 0   -c 1:");
-		cmp_ok( $res->return_code, '==', 1, "Exit WARNING when querying hrSWRunIndex.1 and warn-th doesn't apply " );
-		like($res->output, '/^SNMP WARNING - \*1\*\s.*$/', "String matches SNMP WARNING and output format");
-
-		$res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o host.hrSWRun.hrSWRunTable.hrSWRunEntry.hrSWRunIndex.1 -w  :0 -c 0");
-		cmp_ok( $res->return_code, '==', 2, "Exit CRITICAL when querying hrSWRunIndex.1 and crit-th doesn't apply" );
-		like($res->output, '/^SNMP CRITICAL - \*1\*\s.*$/', "String matches SNMP CRITICAL and output format");
-
-		$res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o ifIndex.2,ifIndex.1 -w 1:2 -c 1:2");
-		cmp_ok( $res->return_code, '==', 0, "Checking two OIDs at once" );
-		like($res->output, "/^SNMP OK - 2 1/", "Got two values back" );
-		like( $res->perf_output, "/ifIndex.2=2/", "Got 1st perf data" );
-		like( $res->perf_output, "/ifIndex.1=1/", "Got 2nd perf data" );
-
-		$res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o ifIndex.2,ifIndex.1 -w 1:2,1:2 -c 2:2,2:2");
-		cmp_ok( $res->return_code, '==', 2, "Checking critical threshold is passed if any one value crosses" );
-		like($res->output, "/^SNMP CRITICAL - 2 *1*/", "Got two values back" );
-		like( $res->perf_output, "/ifIndex.2=2/", "Got 1st perf data" );
-		like( $res->perf_output, "/ifIndex.1=1/", "Got 2nd perf data" );
-
-		$res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o host.hrStorage.hrMemorySize.0,host.hrSystem.hrSystemProcesses.0 -w 1:,1: -c 1:,1:");
-		cmp_ok( $res->return_code, '==', 0, "Exit OK when querying hrMemorySize and hrSystemProcesses");
-		like($res->output, '/^SNMP OK - \d+ \d+/', "String contains hrMemorySize and hrSystemProcesses");
-
-		$res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o host.hrSWRun.hrSWRunTable.hrSWRunEntry.hrSWRunIndex.1 -w \@:0 -c \@0");
-		cmp_ok( $res->return_code, '==', 0, "Exit OK with inside-range thresholds");
-		like($res->output, '/^SNMP OK - 1\s.*$/', "String matches SNMP OK and output format");
-
-		$res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o enterprises.ucdavis.laTable.laEntry.laLoad.3");
-		$res->output =~ m/^SNMP OK - (\d+\.\d{2})\s.*$/;
-		my $lower = $1 - 0.05;
-		my $higher = $1 + 0.05;
-		$res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o enterprises.ucdavis.laTable.laEntry.laLoad.3 -w $lower -c $higher");
-		cmp_ok( $res->return_code, '==', 1, "Exit WARNING with fractionnal arguments");
-
-		$res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o system.sysUpTime.0,host.hrSWRun.hrSWRunTable.hrSWRunEntry.hrSWRunIndex.1 -w ,:0 -c ,:2");
-		cmp_ok( $res->return_code, '==', 1, "Exit WARNING on 2nd threshold");
-		like($res->output, '/^SNMP WARNING - Timeticks:\s\(\d+\)\s+(?:\d+ days?,\s+)?\d+:\d+:\d+\.\d+\s+\*1\*\s.*$/', "First OID returned as string, 2nd checked for thresholds");
-
-		$res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o host.hrSWRun.hrSWRunTable.hrSWRunEntry.hrSWRunIndex.1 -w '' -c ''");
-		cmp_ok( $res->return_code, '==', 0, "Empty thresholds doesn't crash");
-
-		$res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o host.hrStorage.hrMemorySize.0,host.hrSystem.hrSystemProcesses.0 -w ,,1 -c ,,2");
-		cmp_ok( $res->return_code, '==', 0, "Skipping first two thresholds on 2 OID check");
-		like($res->output, '/^SNMP OK - \d+ \w+ \d+\s.*$/', "Skipping first two thresholds, result printed rather than parsed");
-
-		$res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o host.hrStorage.hrMemorySize.0,host.hrSystem.hrSystemProcesses.0 -w ,, -c ,,");
-		cmp_ok( $res->return_code, '==', 0, "Skipping all thresholds");
-		like($res->output, '/^SNMP OK - \d+ \w+ \d+\s.*$/', "Skipping all thresholds, result printed rather than parsed");
-
-		$res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o system.sysUpTime.0 -c 1000000000000: -u '1/100 sec'");
-		cmp_ok( $res->return_code, '==', 2, "Timetick used as a threshold");
-		like($res->output, '/^SNMP CRITICAL - \*\d+\* 1\/100 sec.*$/', "Timetick used as a threshold, parsed as numeric");
-
-		$res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o system.sysUpTime.0");
-		cmp_ok( $res->return_code, '==', 0, "Timetick used as a string");
-		like($res->output, '/^SNMP OK - Timeticks:\s\(\d+\)\s+(?:\d+ days?,\s+)?\d+:\d+:\d+\.\d+\s.*$/', "Timetick used as a string, result printed rather than parsed");
-	}
-
-	# These checks need a complete command line. An invalid community is used so
-	# the tests can run on hosts w/o snmp host/community in NPTest.cache. Execution will fail anyway
-	SKIP: {
-		skip "no non responsive host defined", 2 if ( ! $host_nonresponsive );
-		$res = NPTest->testCmd( "./check_snmp -H $host_nonresponsive -C np_foobar -o system.sysUpTime.0 -w 1: -c 1:");
-		cmp_ok( $res->return_code, '==', 3, "Exit UNKNOWN with non responsive host" );
-		like($res->output, '/External command error: Timeout: No Response from /', "String matches timeout problem");
-	}
-
-	SKIP: {
-		skip "no non invalid host defined", 2 if ( ! $hostname_invalid );
-		$res = NPTest->testCmd( "./check_snmp -H $hostname_invalid   -C np_foobar -o system.sysUpTime.0 -w 1: -c 1:");
-		cmp_ok( $res->return_code, '==', 3, "Exit UNKNOWN with non responsive host" );
-		like($res->output, '/External command error: .*(nosuchhost|Name or service not known|Unknown host)/', "String matches invalid host");
-	}
+    skip "no non responsive host defined", 2 if ( ! $host_nonresponsive );
+    $res = NPTest->testCmd( "./check_snmp -H $host_nonresponsive -C np_foobar -o system.sysUpTime.0 -w 1: -c 1:");
+    cmp_ok( $res->return_code, '==', 3, "Exit UNKNOWN with non responsive host" );
+    like($res->output, '/External command error: Timeout: No Response from /', "String matches timeout problem");
+}
 
+SKIP: {
+    skip "no non invalid host defined", 2 if ( ! $hostname_invalid );
+    $res = NPTest->testCmd( "./check_snmp -H $hostname_invalid   -C np_foobar -o system.sysUpTime.0 -w 1: -c 1:");
+    cmp_ok( $res->return_code, '==', 3, "Exit UNKNOWN with non responsive host" );
+    like($res->output, '/External command error: .*(nosuchhost|Name or service not known|Unknown host)/', "String matches invalid host");
 }





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