Feature: Generic discovery and poller tests (#7873)

* Processor Tests!

* Capture data from live devices easily.

* fix up some stuff, remove powerconnect things as they seem to be just broken.

* formatting, fix missing assignment
add netonix processor data

* fix multi-line, always add sysDescr and sysObjectID
ios cpm test file

* revert composer change and fix whitespace issues

* add help text

* missed help text

* tighter debug output

* handle empty strings properly and mibs with numbers

* use keys for sorting as intended

* fix type with empty data

* oops :)

* whitespace fix

* try installing fping

* Fix TestCase collision + cleanup

* mark TestCase as abstract
don't run two instances of snmpsim

* better database dumps, improved capture

* style fixes

* fix quotes add a few more tables

* add --prefer-new, properly merge data

* Support separate discovery and poller data. But don't waste space if they aren't needed.

* refactor to use class
collects all code in one place for reusability

* reorganize

* Print out when not saving.

* Support for running multiple (or all) modules at once.

* tidy

* Change unit test to a generic name and test all modules we have data for.

* Add documentation and a few more tidies

* whitespace fixes

* Fix tests, add a couple more modules, more docs

* More docs updates

* Fix scrutinizer issues

* add bgp-peers

tests/bootstrap.php

@@ -23,11 +23,14 @@
  * @author     Tony Murray <murraytony@gmail.com>
  */
 
+use LibreNMS\Proc;
+use LibreNMS\Util\Snmpsim;
+
 global $config;
 
 $install_dir = realpath(__DIR__ . '/..');
 
-$init_modules = array('web', 'discovery');
+$init_modules = array('web', 'discovery', 'polling');
 
 if (!getenv('SNMPSIM')) {
     $init_modules[] = 'mocksnmp';
@@ -45,10 +48,20 @@ require $install_dir . '/includes/init.php';
 chdir($install_dir);
 
 ini_set('display_errors', 1);
-error_reporting(E_ALL & ~E_WARNING);
+//error_reporting(E_ALL & ~E_WARNING);
 
 update_os_cache(true); // Force update of OS Cache
 
+if (getenv('SNMPSIM')) {
+    $snmpsim = new Snmpsim('127.1.6.2');
+    $snmpsim->fork();
+
+    // make PHP hold on a reference to $snmpsim so it doesn't get destructed
+    register_shutdown_function(function (Snmpsim $ss) {
+        $ss->stop();
+    }, $snmpsim);
+}
+
 if (getenv('DBTEST')) {
     global $schema, $sql_mode;
 
@@ -63,6 +76,8 @@ if (getenv('DBTEST')) {
         global $config;
         dbConnect();
 
+        echo "Cleaning database...\n";
+
         // restore sql_mode
         dbQuery("SET GLOBAL sql_mode='$sql_mode'");