feat: Making API version modifyable

Author: jdalrymple

src/infrastructure/BaseService.js

@@ -4,9 +4,13 @@ import XMLHttpRequester from './XMLHttpRequester';
 
 class BaseModel {
   constructor({
-    url = 'https://gitlab.com', token, oauthToken, useXMLHttpRequest = false,
+    token,
+    oauthToken,
+    url = 'https://gitlab.com',
+    useXMLHttpRequest = false,
+    version = 'v4',
   } = {}) {
-    this.url = URLJoin(url, 'api', 'v4');
+    this.url = URLJoin(url, 'api', version);
     this.headers = {};
     this.requester = useXMLHttpRequest ? XMLHttpRequester : Request;
     this.useXMLHttpRequest = useXMLHttpRequest;

test/tests/infrastructure/BaseService.js

@@ -37,4 +37,10 @@ describe('Creation of BaseService instance', () => {
 
     expect(service.headers['private-token']).toBe('1234');
   });
+
+  test('API version should be modified', async () => {
+    const service = new BaseService({ url: 'https://testing.com', token: '1234', version: 'v3' });
+
+    expect(service.url).toBe('https://testing.com/api/v3');
+  });
 });