assign method added, includes test

Author: Andrea Rossi

lib/jira.js

@@ -857,6 +857,45 @@ var JiraApi = exports.JiraApi = function(protocol, host, port, username, passwor
 
         });
     };
+
+    // ## Assign issue in Jira ##
+    // ### Takes ###
+    //
+    // *  issueId: the Id of the issue to delete
+    // *  issueUpdate: username of the assignee
+    // *  callback: for when it's done
+    //
+    // ### Returns ###
+    // *  error string
+    // *  success string
+    //
+    // [Jira Doc](http://docs.atlassian.com/jira/REST/latest/#idp1342720)
+    this.assign = function(issueNum, assignee, callback) {
+        var options = {
+            rejectUnauthorized: this.strictSSL,
+            uri: this.makeUri('/issue/' + issueNum + '/assignee'),
+            json: {name: assignee},
+            method: 'PUT',
+            followAllRedirects: true
+        };
+
+        this.request(options, function(error, response) {
+
+            if (error) {
+                callback(error, null);
+                return;
+            }
+
+            if (response.statusCode === 204) {
+                callback(null, "Success");
+                return;
+            }
+
+            callback(response.statusCode + ': Error while assigning');
+
+        });
+    };
+
     // ## List Transitions ##
     // ### Takes ###
     //

spec/jira.spec.coffee

@@ -364,6 +364,24 @@ describe "Node Jira Tests", ->
         @jira.request.mostRecentCall.args[1] null, statusCode:200
         expect(@cb).toHaveBeenCalledWith null, 'Success'
 
+    it "Assigns an Issue", ->
+        options =
+            rejectUnauthorized: true
+            uri: makeUrl "issue/1/assignee"
+            json: {name: 'newAssignee'}
+            method: 'PUT'
+            followAllRedirects: true
+
+        @jira.assign 1, 'newAssignee', @cb
+        expect(@jira.request).toHaveBeenCalledWith options, jasmine.any(Function)
+
+        @jira.request.mostRecentCall.args[1] null, statusCode:400
+        expect(@cb).toHaveBeenCalledWith '400: Error while assigning'
+
+        # Successful Request
+        @jira.request.mostRecentCall.args[1] null, statusCode:204
+        expect(@cb).toHaveBeenCalledWith null, 'Success'
+
     it "Lists Transitions", ->
         options =
             rejectUnauthorized: true