Integration test (#142)

* Add acceptance test function
Adds serverless function that runs built master
also fixes some bugs found in doing so

.gitignore

@@ -1,4 +1,5 @@
 .DS_Store
+.serverless
 node_modules
 coverage
 dist

.npmignore

@@ -1 +1,4 @@
 spec
+acceptance
+coverage
+src

acceptance/handler.js

@@ -0,0 +1,9 @@
+'use strict';
+var iopipe = require('./iopipe')({
+  debug: true
+});
+
+module.exports.simpleSuccess = iopipe((event, context, callback) => {
+  iopipe.log('custom_metric', 'A custom metric')
+  callback(null, { message: 'Successful invocation', event });
+});

acceptance/package.json

@@ -0,0 +1,13 @@
+{
+  "name": "acceptance-test",
+  "version": "1.0.0",
+  "description": "",
+  "main": "handler.js",
+  "scripts": {
+    "build": "cp ../dist/iopipe.js ./iopipe.js",
+    "deploy": "serverless deploy",
+    "invoke": "sls invoke -f simpleSuccess",
+    "local": "sls invoke local -f simpleSuccess",
+    "all": "npm run build && npm run local && npm run deploy"
+  }
+}

acceptance/serverless.yml

@@ -0,0 +1,16 @@
+service: qa-events-agent
+
+provider:
+  name: aws
+  runtime: nodejs6.10
+  stage: prod
+  region: us-west-2
+
+functions:
+  simpleSuccess:
+    handler: handler.simpleSuccess
+    environment:
+      IOPIPE_TOKEN: ${env:IOPIPE_TOKEN}
+    role: ${env:IAM_ROLE}
+    events:
+      - schedule: rate(10 minutes)

circle.yml

@@ -1,3 +1,7 @@
+machine:
+  environment:
+    PATH: "${PATH}:${HOME}/${CIRCLE_PROJECT_REPONAME}/node_modules/.bin"
+
 deployment:
   release:
     # release on tagged versions
@@ -7,3 +11,11 @@ deployment:
       # login using environment variables
       - echo -e "$NPM_USERNAME\n$NPM_PASSWORD\n$NPM_EMAIL" | npm login
       - npm publish
+
+  acceptanceTests:
+    branch: master
+    owner: iopipe
+    commands:
+      - npm install serverless@1.15.1
+      - npm run build
+      - cd acceptance && npm run all

index.js

@@ -92,7 +92,7 @@ module.exports = function(options) {
       s: stringValue
     })
 
-    fn.VERSION = VERSION
+    fn.VERSION = globals.VERSION
   }
 
   return fn

src/report.js

@@ -87,10 +87,12 @@ class Report {
       coldstart: globals.COLDSTART,
       custom_metrics: metrics || [],
     }
+
+    // Set to false after coldstart
+    globals.COLDSTART = false
   }
 
   send(err, callback) {
-
     // Send report only once
     if (this.sent) {
       return