Add new local testing workflow (close snowplow#686)

.gitignore

@@ -21,6 +21,7 @@ node_modules
 **/lodash.js
 tests/pages/*.js
 tests/pages/integration.html
+tests/local/serve/
 tags/tag.min.js
 
 # creds for Grunt

Gruntfile.js

@@ -107,6 +107,11 @@ module.exports = function(grunt) {
         files: {
           'tests/pages/snowplow.js': 'tests/pages/bundle.js'
         }
+      },
+      local: {
+        files: {
+          'tests/local/serve/snowplow.js': 'tests/pages/bundle.js'
+        }
       }
     },
 
@@ -133,6 +138,15 @@ module.exports = function(grunt) {
         },
         src: ['tests/pages/integration-template.html'],
         dest: 'tests/pages/integration.html'
+      },
+      local: {
+        options: {
+          'process': function(src, filepath) {
+            return src.replace(/'\<\%= subdomain \%\>' \+ '\.ngrok\.io'/g, '\'127.0.0.1:8000\'');
+          }
+        },
+        src: ['tests/pages/integration-template.html'],
+        dest: 'tests/local/serve/integration.html'
       }
     },
 
@@ -266,4 +280,5 @@ module.exports = function(grunt) {
   grunt.registerTask('test', 'Intern tests', ['browserify:test', 'babel:test', 'intern']);
   grunt.registerTask('travis', 'Intern tests for Travis CI',  ['concat:test', 'browserify:test', 'babel:test', 'intern']);
   grunt.registerTask('tags', 'Minifiy the Snowplow invocation tag', ['uglify:tag', 'concat:tag']);
+  grunt.registerTask('local', 'Builds and places files read to serve and test locally', ['browserify:test', 'concat:local', 'babel:local']);
 };

local_test.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+cd core
+grunt
+cd ..
+grunt local
+if [[ "$(uname)" == "Darwin" ]]; then
+    (sleep 1 && open http:127.0.0.1:8000/integration.html)&
+elif [[ "$(expr substr $(uname -s) 1 5)" == "Linux" ]]; then
+    (sleep 1 && xdg-open http:127.0.0.1:8000/integration.html)&
+elif [[ "$(expr substr $(uname -s) 1 10)" == "MINGW32_NT" ]]; then
+    :
+elif [[ "$(expr substr $(uname -s) 1 10)" == "MINGW64_NT" ]]; then
+    :
+fi
+python3 ./tests/local/http-server.py

tests/local/http-server.py

@@ -0,0 +1,71 @@
+import os
+import sys
+from http.server import HTTPServer, BaseHTTPRequestHandler
+from http.client import NO_CONTENT
+from pprint import pprint
+
+
+gif_string = b'GIF87a\x01\x00\x01\x00\x80\x00\x00\xff\xff\xff\xff\xff\xff,\x00\x00\x00\x00\x01\x00\x01\x00\x00\x02\x02D\x01\x00;'
+file_path = os.path.dirname(__file__)
+
+def get_serve(file):
+    return os.path.join(file_path, 'serve', file)
+
+class SimpleHTTPRequestHandler(BaseHTTPRequestHandler):
+
+    def do_HEAD(self):
+        self.send_response(200)
+        if (self.path == '/integration.html'):
+            self.send_header("Content-type", "text/html")
+            self.end_headers()
+        else:
+            self.send_header("Content-type", "image/gif")
+            self.end_headers()
+
+
+    def do_GET(self):
+        """Respond to a GET request."""
+        self.send_response(200)
+        if (self.path == '/integration.html'):
+            self.send_header("Content-type", "text/html")
+            self.end_headers()
+            f = open(get_serve('integration.html'), "rb")
+            body = f.read()
+            f.close()
+            self.wfile.write(body)
+        elif (self.path == '/snowplow.js'):
+            self.send_header("Content-type", "text/html")
+            self.end_headers()
+            f = open(get_serve('snowplow.js'), "rb")
+            body = f.read()
+            f.close()
+            self.wfile.write(body)
+        else:
+            self.send_header("Content-type", "image/gif")
+            self.end_headers()
+            self.wfile.write(gif_string)
+
+    def do_POST(self):
+        self.send_response(200)
+        self.send_header("Content-type", "image/gif")
+        self.end_headers()
+        self.wfile.write(''.encode())
+        #content_len = int(self.headers.get('content-length', 0))
+        #post_body = self.rfile.read(content_len)
+        #pprint(post_body)
+
+    def do_OPTIONS(self):
+        self.send_response(200)
+        self.send_header('Access-Control-Allow-Origin', 'null')
+        self.send_header('Access-Control-Allow-Methods', 'GET, POST, OPTIONS')
+        self.send_header("Access-Control-Allow-Headers", "X-Requested-With")
+        self.send_header("Access-Control-Allow-Headers", "Content-Type")
+        self.end_headers()
+
+
+httpd = HTTPServer(('127.0.0.1', 8000), SimpleHTTPRequestHandler)
+try:
+    httpd.serve_forever()
+except KeyboardInterrupt:
+    print('User closed server with Ctrl-c')
+    sys.exit(0)

tests/pages/integration-template.html

@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
 <head>
-	<title>Integration test page</title>
+  <title>Integration test page</title>
 </head>
 <body>
 <p id="title">Page for sending requests to request_recorder</p>
@@ -20,9 +20,9 @@
 
   // Taken from a random environment variable
 
-  var subdomain = '<%= subdomain %>';
+  var collector_endpoint = '<%= subdomain %>' + '.ngrok.io';
 
-  window.snowplow('newTracker', 'cf', subdomain + '.ngrok.io', {
+  window.snowplow('newTracker', 'cf', collector_endpoint, {
     encodeBase64: true,
     appId: 'CFe23a',
     platform: 'mob',