init source

node_modules/pg-pool/test/bring-your-own-promise.js

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+'use strict'
+const co = require('co')
+const expect = require('expect.js')
+
+const describe = require('mocha').describe
+const it = require('mocha').it
+const BluebirdPromise = require('bluebird')
+
+const Pool = require('../')
+
+const checkType = promise => {
+  expect(promise).to.be.a(BluebirdPromise)
+  return promise.catch(e => undefined)
+}
+
+describe('Bring your own promise', function () {
+  it('uses supplied promise for operations', co.wrap(function * () {
+    const pool = new Pool({ Promise: BluebirdPromise })
+    const client1 = yield checkType(pool.connect())
+    client1.release()
+    yield checkType(pool.query('SELECT NOW()'))
+    const client2 = yield checkType(pool.connect())
+    // TODO - make sure pg supports BYOP as well
+    client2.release()
+    yield checkType(pool.end())
+  }))
+
+  it('uses promises in errors', co.wrap(function * () {
+    const pool = new Pool({ Promise: BluebirdPromise, port: 48484 })
+    yield checkType(pool.connect())
+    yield checkType(pool.end())
+    yield checkType(pool.connect())
+    yield checkType(pool.query())
+    yield checkType(pool.end())
+  }))
+})