Check url for undefined value & api change for secure url

Author: Jason Maurer

src/ParseFile.js

@@ -137,9 +137,12 @@ export default class ParseFile {
    * @param {Object} options An object to specify url options
    * @return {String}
    */
-  url(options?: { secure?: boolean }): ?string {
+  url(options?: { forceSecure?: boolean }): ?string {
     options = options || {};
-    if (options.secure) {
+    if (!this._url) {
+      return;
+    }
+    if (options.forceSecure) {
       return this._url.replace(/^http:\/\//i, 'https://');
     } else {
       return this._url;

src/__tests__/ParseFile-test.js

@@ -82,11 +82,16 @@ describe('ParseFile', () => {
     var file = new ParseFile('parse.txt', { base64: 'ParseA==' });
     file.save().then(function(result) {
       expect(result).toBe(file);
-      expect(result.url({ secure: true }))
+      expect(result.url({ forceSecure: true }))
         .toBe('https://files.parsetfss.com/a/parse.txt');
     });
   });
 
+  it('returns undefined when there is no url', () => {
+    var file = new ParseFile('parse.txt', { base64: 'ParseA==' });
+    expect(file.url({ forceSecure: true })).toBeUndefined();
+  });
+
   it('updates fields when saved', () => {
     var file = new ParseFile('parse.txt', { base64: 'ParseA==' });
     expect(file.name()).toBe('parse.txt');