fix issue with missing/undefined event

Author: jeremydaly

index.js

@@ -147,7 +147,7 @@ class API {
   async run(event,context,cb) {
 
     // Set the event, context and callback
-    this._event = event
+    this._event = event || {}
     this._context = this.context = typeof context === 'object' ? context : {}
     this._cb = cb ? cb : undefined
 

lib/request.js

@@ -54,7 +54,7 @@ class REQUEST {
   async parseRequest() {
 
     // Set the method
-    this.method = this.app._event.httpMethod.toUpperCase()
+    this.method = this.app._event.httpMethod ? this.app._event.httpMethod.toUpperCase() : 'GET'
 
     // Set the path
     this.path = this.app._event.path
@@ -63,7 +63,7 @@ class REQUEST {
     this.query = this.app._event.queryStringParameters ? this.app._event.queryStringParameters : {}
 
     // Set the raw headers
-    this.rawHeaders = this.app._event.headers
+    this.rawHeaders = this.app._event.headers || {}
 
     // Set the headers to lowercase
     this.headers = Object.keys(this.rawHeaders).reduce((acc,header) =>

lib/utils.js

@@ -37,7 +37,7 @@ const encodeBody = body =>
 exports.encodeBody = encodeBody
 
 exports.parsePath = path => {
-  return path.trim().split('?')[0].replace(/^\/(.*?)(\/)*$/,'$1').split('/')
+  return path ? path.trim().split('?')[0].replace(/^\/(.*?)(\/)*$/,'$1').split('/') : []
 }
 
 

test/run.js

@@ -24,6 +24,14 @@ let event = {
 /******************************************************************************/
 /***  DEFINE TEST ROUTE                                                     ***/
 /******************************************************************************/
+
+api.get('/', function(req,res) {
+  res.status(200).json({
+    method: 'get',
+    status: 'ok'
+  })
+})
+
 api.get('/test', function(req,res) {
   res.status(200).json({
     method: 'get',
@@ -82,5 +90,23 @@ describe('Main handler Async/Await:', function() {
     expect(result).to.deep.equal({ headers: { 'content-type': 'application/json' }, statusCode: 404, body: '{"error":"Route not found"}', isBase64Encoded: false })
   }) // end it
 
+  it('Without event', async function() {
+    let _event = {}
+    let result = await api.run(_event,{})
+    expect(result).to.deep.equal({ headers: { 'content-type': 'application/json' }, statusCode: 405, body: '{"error":"Method not allowed"}', isBase64Encoded: false })
+  }) // end it
+
+  it('With undefined event', async function() {
+    let _event = undefined
+    let result = await api.run(_event,{})
+    expect(result).to.deep.equal({ headers: { 'content-type': 'application/json' }, statusCode: 405, body: '{"error":"Method not allowed"}', isBase64Encoded: false })
+  }) // end it
+
+  it('With null event', async function() {
+    let _event = null
+    let result = await api.run(_event,{})
+    expect(result).to.deep.equal({ headers: { 'content-type': 'application/json' }, statusCode: 405, body: '{"error":"Method not allowed"}', isBase64Encoded: false })
+  }) // end it
+
 
 }) // end tests