Remove FN_FORMAT variable handling

Author: Richard Connon

fn-fdk.js

@@ -24,23 +24,7 @@ const fnFunctionExceptionMessage = 'Exception in function, consult logs for deta
  * @param fnfunction {fnHandler} the function to invoke
  * @param options {object}
  */
-exports.handle = function (fnfunction, options) {
-  let fnFormat = process.env['FN_FORMAT'] || ''
-  let fdkHandler
-
-  // format has been explicitly specified
-  switch (fnFormat.toLowerCase()) {
-    case 'http-stream':
-      fdkHandler = handleHTTPStream
-      break
-    default:
-      console.warn(
-        `The Node.js FDK does not support the '${fnFormat}' format, change the function format to 'http-stream'. Exiting)`)
-      process.exit(2)
-  }
-
-  return fdkHandler(fnfunction, options)
-}
+exports.handle = handleHTTPStream
 
 /**
  * A function result = this causes the handler wrapper to use a specific response writer

test/fn-fdk-test.js

@@ -6,28 +6,6 @@ const path = require('path')
 const fs = require('fs')
 const rewire = require('rewire')
 
-test('reject missing format env ', function (t) {
-  let fdk = rewire('../fn-fdk.js')
-  fdk.__set__(
-    {
-      process: {
-        env: {
-          FN_LISTENER: 'unix:/tmp/foo.sock'
-        },
-        exit: function (code) {
-          t.equals(code, 2)
-          throw new Error('got exit')
-        }
-      }
-    })
-  try {
-    fdk.handle(null)
-    t.fail()
-  } catch (e) {
-    t.end()
-  }
-})
-
 test('reject missing listener  env ', function (t) {
   let fdk = rewire('../fn-fdk.js')
   fdk.__set__(
@@ -50,28 +28,6 @@ test('reject missing listener  env ', function (t) {
   }
 })
 
-test('reject invalid format', function (t) {
-  let fdk = rewire('../fn-fdk.js')
-  fdk.__set__(
-    {
-      process: {
-        env: {
-          FN_FORMAT: ''
-        },
-        exit: function (code) {
-          t.equals(code, 2)
-          throw new Error('got exit')
-        }
-      }
-    })
-  try {
-    fdk.handle(null)
-    t.fail()
-  } catch (e) {
-    t.end()
-  }
-})
-
 test('Listens and accepts request', function (t) {
   let fdk = rewire('../fn-fdk.js')
   let tmpDir = tmp.dirSync({})