Test the extensions

Signed-off-by: Fabio José <fabiojose@gmail.com>

lib/bindings/http/binary_0_2.js

@@ -1,4 +1,5 @@
 var axios = require("axios");
+var empty = require("is-empty");
 
 function HTTPBinary(configuration){
   this.config = configuration;
@@ -32,6 +33,12 @@ HTTPBinary.prototype.emit = function(cloudevent){
   // Set the cloudevent payload
   _config["data"] = cloudevent.format().data;
 
+  // Have extensions?
+  var exts = cloudevent.getExtensions(); 
+  for(ext in exts){
+    _headers["ce-" + ext] = exts[ext];
+  }
+
   // Return the Promise
   return axios.request(_config);
 };

lib/cloudevent.js

@@ -14,6 +14,9 @@ var HTTPBinary02     = require("./bindings/http/binary_0_2.js");
 function Cloudevent(_spec, _formatter){
   this.spec      = (_spec) ? new _spec(Cloudevent) : new Spec01(Cloudevent);
   this.formatter = (_formatter) ? _formatter : new JSONFormatter01();
+
+  // The map of extensions
+  this.extensions = {};
 }
 
 /*
@@ -100,9 +103,17 @@ Cloudevent.prototype.getData = function() {
 
 Cloudevent.prototype.addExtension = function(key, value){
   this.spec.addExtension(key, value);
+
+  // Stores localy
+  this.extensions[key] = value;
+
   return this;
 };
 
+Cloudevent.prototype.getExtensions = function() {
+  return this.extensions;
+}
+
 
 /*
  * Export the specs

test/http_binding_0_2.js

@@ -15,6 +15,11 @@ const data = {
   foo: "bar"
 };
 
+const ext1Name  = "extension1";
+const ext1Value = "foobar";
+const ext2Name  = "extension2";
+const ext2Value = "acme";
+
 const Structured02 = Cloudevent.bindings["http-structured0.2"];
 const Binary02     = Cloudevent.bindings["http-binary0.2"];
 
@@ -25,7 +30,9 @@ var cloudevent =
     .contenttype(ceContentType)
     .time(now)
     .schemaurl(schemaurl)
-    .data(data);
+    .data(data)
+    .addExtension(ext1Name, ext1Value)
+    .addExtension(ext2Name, ext2Value);
 
 var httpcfg = {
   method : "POST",
@@ -123,6 +130,20 @@ describe("HTTP Transport Binding - Version 0.2", () => {
               .to.have.property("ce-schemaurl");
           });
       });
+      it("HTTP Header contains 'ce-" + ext1Name + "'", () => {
+        return httpbinary02.emit(cloudevent)
+          .then((response) => {
+            expect(response.config.headers)
+              .to.have.property("ce-" + ext1Name);
+          });
+      });
+      it("HTTP Header contains 'ce-" + ext2Name + "'", () => {
+        return httpbinary02.emit(cloudevent)
+          .then((response) => {
+            expect(response.config.headers)
+              .to.have.property("ce-" + ext2Name);
+          });
+      });
     });
   });
 });