feat: flag option to toggle test db

lib/options-loader.js

@@ -3,6 +3,8 @@ const path = require('path')
 const os = require('os')
 const argv = require('minimist')(process.argv.slice(2))
 
+const STRESS_TEST_DB = 'psql://postgres:postgres123@localhost/lamassu_stress'
+
 /**
  * @return {{path: string, opts: any}}
  */
@@ -25,17 +27,29 @@ function load () {
 
   try {
     const globalConfigPath = path.resolve('/etc', 'lamassu', 'lamassu.json')
-    return {
+    const config = {
       path: globalConfigPath,
       opts: JSON.parse(fs.readFileSync(globalConfigPath))
     }
+
+    if (argv.testDB) {
+      config.opts.postgresql = STRESS_TEST_DB
+    }
+
+    return config
   } catch (_) {
     try {
       const homeConfigPath = path.resolve(os.homedir(), '.lamassu', 'lamassu.json')
-      return {
+      const config = {
         path: homeConfigPath,
         opts: JSON.parse(fs.readFileSync(homeConfigPath))
       }
+
+      if (argv.testDB) {
+        config.opts.postgresql = STRESS_TEST_DB
+      }
+
+      return config
     } catch (_) {
       console.error("Couldn't open lamassu.json config file.")
       process.exit(1)