Make axios instantiable

test/specs/api.spec.js

@@ -1,6 +1,6 @@
 var axios = require('../../index');
 
-describe('api', function () {
+describe('static api', function () {
   it('should have request method helpers', function () {
     expect(typeof axios.get).toEqual('function');
     expect(typeof axios.head).toEqual('function');
@@ -22,8 +22,36 @@ describe('api', function () {
     expect(typeof axios.defaults.headers).toEqual('object');
   });
 
+  it('should have interceptors', function () {
+    expect(typeof axios.interceptors.request).toEqual('object');
+    expect(typeof axios.interceptors.response).toEqual('object');
+  });
+
   it('should have all/spread helpers', function () {
     expect(typeof axios.all).toEqual('function');
     expect(typeof axios.spread).toEqual('function');
   });
+
+  it('should have factory method', function () {
+    expect(typeof axios.createNew).toEqual('function');
+  });
+});
+
+describe('instance api', function () {
+  var instance = axios.createNew();
+
+  it('should have request methods', function () {
+    expect(typeof instance.request).toEqual('function');
+    expect(typeof instance.get).toEqual('function');
+    expect(typeof instance.head).toEqual('function');
+    expect(typeof instance.delete).toEqual('function');
+    expect(typeof instance.post).toEqual('function');
+    expect(typeof instance.put).toEqual('function');
+    expect(typeof instance.patch).toEqual('function');
+  });
+
+  it('should have interceptors', function () {
+    expect(typeof instance.interceptors.request).toEqual('object');
+    expect(typeof instance.interceptors.response).toEqual('object');
+  });
 });