Enhanced support for batch endpoints (#3042)

* Allow to have different endpoint on publicserverURL and serverURL when batching

* nits

spec/batch.spec.js

@@ -0,0 +1,44 @@
+var batch = require('../src/batch');
+
+const originalURL = '/parse/batch';
+const serverURL = 'http://localhost:1234/parse';
+const serverURL1 = 'http://localhost:1234/1';
+const serverURLNaked = 'http://localhost:1234/';
+const publicServerURL = 'http://domain.com/parse';
+const publicServerURLNaked = 'http://domain.com/';
+
+describe('batch', () => {
+  it('should return the proper url', () => {
+    let internalURL = batch.makeBatchRoutingPathFunction(originalURL)('/parse/classes/Object');
+
+    expect(internalURL).toEqual('/classes/Object');
+  });
+
+  it('should return the proper url same public/local endpoint', () => {
+    let originalURL = '/parse/batch';
+    let internalURL = batch.makeBatchRoutingPathFunction(originalURL, serverURL, publicServerURL)('/parse/classes/Object');
+
+    expect(internalURL).toEqual('/classes/Object');
+  });
+
+  it('should return the proper url with different public/local mount', () => {
+    let originalURL = '/parse/batch';
+    let internalURL = batch.makeBatchRoutingPathFunction(originalURL, serverURL1, publicServerURL)('/parse/classes/Object');
+
+    expect(internalURL).toEqual('/classes/Object');
+  });
+
+  it('should return the proper url with naked public', () => {
+    let originalURL = '/batch';
+    let internalURL = batch.makeBatchRoutingPathFunction(originalURL, serverURL, publicServerURLNaked)('/classes/Object');
+
+    expect(internalURL).toEqual('/classes/Object');
+  });
+
+  it('should return the proper url with naked local', () => {
+    let originalURL = '/parse/batch';
+    let internalURL = batch.makeBatchRoutingPathFunction(originalURL, serverURLNaked, publicServerURL)('/parse/classes/Object');
+
+    expect(internalURL).toEqual('/classes/Object');
+  });
+});