Added test for duplicate connection name

Author: cemremengu

package.json

@@ -27,7 +27,7 @@
   "homepage": "https://github.com/cemremengu/fastify-oracle#readme",
   "devDependencies": {
     "coveralls": "^3.0.2",
-    "fastify": "^1.1.0",
+    "fastify": "^1.11.1",
     "pre-commit": "^1.2.2",
     "snazzy": "^8.0.0",
     "standard": "^12.0.1",

test/pool.test.js

@@ -2,6 +2,7 @@
 
 const test = require('tap').test
 const plugin = require('../plugin')
+const Fastify = require('fastify')
 
 test('creates pool from config', (t) => {
   t.plan(6)
@@ -88,3 +89,23 @@ test('creates named pool from config', (t) => {
       .catch(t.threw)
   })
 })
+
+test('duplicate connection names should throw', (t) => {
+  t.plan(1)
+
+  const fastify = Fastify()
+
+  const opts = {
+    user: 'travis',
+    password: 'travis',
+    connectString: 'localhost/xe'
+  }
+
+  fastify
+    .register(plugin, { pool: opts, name: 'testdb' })
+    .register(plugin, { pool: opts, name: 'testdb' })
+
+  fastify.ready(err => {
+    t.is(err.message, 'Connection name has already been registered: testdb')
+  })
+})