teardown tests, update README

Author: cemremengu

README.md

@@ -107,14 +107,27 @@ fastify.register(require('fastify-postgres'), {
 
 fastify.post('/user/:username', (req, reply) => {
   fastify.pg.transact(async client => {
-      return client.query('INSERT INTO users(username) VALUES($1) RETURNING id', [req.params.username])
-    },
-    function onResult (err, result) {
-      reply.send(err || result)
+    try {
+      const id = await client.query('INSERT INTO users(username) VALUES($1) RETURNING id', [req.params.username])
+      reply.send(id)
+    } catch (err) {
+      reply.send(err)
     }
-  )
+  })
 })
 
+/* or with a transaction callback
+
+fastify.pg.transact(client => {
+    return client.query('INSERT INTO users(username) VALUES($1) RETURNING id', [req.params.username])
+  },
+  function onResult (err, result) {
+    reply.send(err || result)
+  }
+})
+
+*/
+
 /* or with a commit callback
 
 fastify.pg.transact((client, commit) => { 

test.js

@@ -259,6 +259,8 @@ test('fastify.pg.test use transact util with promise', t => {
 
   const fastify = Fastify()
 
+  t.tearDown(fastify.close.bind(fastify))
+
   fastify.register(fastifyPostgres, {
     name: 'test',
     connectionString: 'postgres://postgres@localhost/postgres'
@@ -274,15 +276,12 @@ test('fastify.pg.test use transact util with promise', t => {
           .query(`SELECT * FROM users WHERE username = 'with-promise'`)
           .then(result => {
             t.ok(result.rows[0].username === 'with-promise')
-            fastify.close()
           }).catch(err => {
             t.fail(err)
-            fastify.close()
           })
       })
       .catch(err => {
         t.fail(err)
-        fastify.close()
       })
   })
 })
@@ -291,6 +290,7 @@ test('fastify.pg.test use transact util with callback', t => {
   t.plan(4)
 
   const fastify = Fastify()
+  t.tearDown(fastify.close.bind(fastify))
 
   fastify.register(fastifyPostgres, {
     name: 'test',
@@ -309,10 +309,8 @@ test('fastify.pg.test use transact util with callback', t => {
           .query(`SELECT * FROM users WHERE username = 'with-callback'`)
           .then(result => {
             t.ok(result.rows[0].username === 'with-callback')
-            fastify.close()
           }).catch(err => {
             t.fail(err)
-            fastify.close()
           })
       })
   })
@@ -322,6 +320,7 @@ test('fastify.pg.test use transact util with commit callback', t => {
   t.plan(4)
 
   const fastify = Fastify()
+  t.tearDown(fastify.close.bind(fastify))
 
   fastify.register(fastifyPostgres, {
     name: 'test',
@@ -343,10 +342,8 @@ test('fastify.pg.test use transact util with commit callback', t => {
         .query(`SELECT * FROM users WHERE username = 'commit-callback'`)
         .then(result => {
           t.ok(result.rows[0].username === 'commit-callback')
-          fastify.close()
         }).catch(err => {
           t.fail(err)
-          fastify.close()
         })
     })
   })