Support exclude path

Author: WhatAKitty

README.md

@@ -12,6 +12,7 @@ So, I create one by myself.
 
 ## Roadmap
 - [x] Combined with Mock.js
+- [x] Support exclude for some other path
 - [ ] Proxy for other api server
 - [ ] Support RAP system
 
@@ -59,7 +60,13 @@ index.js
 import FetchMock from 'react-native-fetch-mock';
 
 if (__dev__) {
-  global.fetch = new FetchMock(require('path/to/mocks/directory')).fetch;
+  global.fetch = new FetchMock(require('path/to/mocks/directory'), {
+    fetch: global.fetch,
+    exclude: [
+      'http://www.google.com',
+      /^foo(bar)?$/i,
+    ],
+  }).fetch;
 }
 
 // if __dev__ is true, it will back the data you defined in mock directory

package.json

@@ -38,6 +38,7 @@
     "babel-preset-react-native": "^1.9.1",
     "eslint": "^3.19.0",
     "expect.js": "^0.3.1",
+    "isomorphic-fetch": "^2.2.1",
     "mocha": "^3.2.0"
   },
   "dependencies": {

src/index.js

@@ -2,15 +2,22 @@ import { parseRequest, matchUrl, isNull } from './util';
 import Response from './response';
 
 class FetchMock {
-  constructor(required) {
+  constructor(required, options = {
+    fetch: () => {},
+    exclude: [],
+  }) {
     if ('object' !== typeof required) {
       throw new Error('There is no required defined.');
     }
 
     this.urls = [];
+    this.raw = options.fetch;
+    this.exclude = options.exclude;
+
     this.loadMocks = this.loadMocks.bind(this);
     this.loadMock = this.loadMock.bind(this);
     this.matchReqUrl = this.matchReqUrl.bind(this);
+    this.isExclude = this.isExclude.bind(this);
     this.fetch = this.fetch.bind(this);
 
     this.loadMocks(required);
@@ -62,7 +69,21 @@ class FetchMock {
     };
   }
 
+  isExclude(url) {
+    for (let i = 0; i < this.exclude.length; i++) {
+      const excludeUrl = this.exclude[i];
+      return excludeUrl === url || (excludeUrl instanceof RegExp && excludeUrl.exec(url) !== null);
+    }
+    return false;
+  }
+
   fetch(url, options) {
+    // using raw fetch while match exclude
+    if (this.isExclude(url)) {
+      // using raw fetch
+      return this.raw(url, options);
+    }
+
     const { request, mock } = this.matchReqUrl(parseRequest(url, options));
     if ('function' !== typeof mock.func) {
       throw new Error('There is no url defined in __mocks__');

test/index.test.js

@@ -2,7 +2,13 @@ import 'babel-polyfill';
 import expect from 'expect.js';
 import FetchMock, { Mock } from '../';
 
-const fetch = new FetchMock(require('../__mocks__')).fetch;
+const fetch = new FetchMock(require('../__mocks__'), {
+  fetch: require('isomorphic-fetch'),
+  exclude: [
+    'http://www.baidu.com',
+    /^foo(bar)?$/i,
+  ],
+}).fetch;
 describe('test fetch mock', () => {
   it('fetch /api/users data', async () => {
     const response = await fetch('/api/users');
@@ -99,6 +105,16 @@ describe('test fetch mock', () => {
     expect(data).to.be.property('userId', '121');
   });
 
+  it('fetch exclude path', async () => {
+    const response = await fetch('http://www.baidu.com');
+    const { status } = response;
+    expect(status).to.be.eql(200);
+    const html = await response.text();
+    expect(html).not.to.be(undefined);
+    expect(html).not.to.be.empty();
+    expect(html).to.be.an('string');
+  });
+
   it('post /api/users', async () => {
     const { status } = await fetch('/api/users', {
       method: 'POST',

yarn.lock

@@ -807,6 +807,12 @@ ecc-jsbn@~0.1.1:
   dependencies:
     jsbn "~0.1.0"
 
+encoding@^0.1.11:
+  version "0.1.12"
+  resolved "https://registry.yarnpkg.com/encoding/-/encoding-0.1.12.tgz#538b66f3ee62cd1ab51ec323829d1f9480c74beb"
+  dependencies:
+    iconv-lite "~0.4.13"
+
 es5-ext@^0.10.14, es5-ext@^0.10.9, es5-ext@~0.10.14:
   version "0.10.15"
   resolved "http://registry.npm.taobao.org/es5-ext/download/es5-ext-0.10.15.tgz#c330a5934c1ee21284a7c081a86e5fd937c91ea6"
@@ -1224,6 +1230,10 @@ http-signature@~1.1.0:
     jsprim "^1.2.2"
     sshpk "^1.7.0"
 
+iconv-lite@~0.4.13:
+  version "0.4.19"
+  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.19.tgz#f7468f60135f5e5dad3399c0a81be9a1603a082b"
+
 ignore@^3.2.0:
   version "3.2.6"
   resolved "http://registry.npm.taobao.org/ignore/download/ignore-3.2.6.tgz#26e8da0644be0bb4cb39516f6c79f0e0f4ffe48c"
@@ -1374,6 +1384,10 @@ is-resolvable@^1.0.0:
   dependencies:
     tryit "^1.0.1"
 
+is-stream@^1.0.1:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/is-stream/-/is-stream-1.1.0.tgz#12d4a3dd4e68e0b79ceb8dbc84173ae80d91ca44"
+
 is-typedarray@~1.0.0:
   version "1.0.0"
   resolved "http://registry.npm.taobao.org/is-typedarray/download/is-typedarray-1.0.0.tgz#e479c80858df0c1b11ddda6940f96011fcda4a9a"
@@ -1388,6 +1402,13 @@ isobject@^2.0.0:
   dependencies:
     isarray "1.0.0"
 
+isomorphic-fetch@^2.2.1:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/isomorphic-fetch/-/isomorphic-fetch-2.2.1.tgz#611ae1acf14f5e81f729507472819fe9733558a9"
+  dependencies:
+    node-fetch "^1.0.1"
+    whatwg-fetch ">=0.10.0"
+
 isstream@~0.1.2:
   version "0.1.2"
   resolved "http://registry.npm.taobao.org/isstream/download/isstream-0.1.2.tgz#47e63f7af55afa6f92e1500e690eb8b8529c099a"
@@ -1618,6 +1639,13 @@ natural-compare@^1.4.0:
   version "1.4.0"
   resolved "http://registry.npm.taobao.org/natural-compare/download/natural-compare-1.4.0.tgz#4abebfeed7541f2c27acfb29bdbbd15c8d5ba4f7"
 
+node-fetch@^1.0.1:
+  version "1.7.3"
+  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-1.7.3.tgz#980f6f72d85211a5347c6b2bc18c5b84c3eb47ef"
+  dependencies:
+    encoding "^0.1.11"
+    is-stream "^1.0.1"
+
 node-pre-gyp@^0.6.29:
   version "0.6.34"
   resolved "http://registry.npm.taobao.org/node-pre-gyp/download/node-pre-gyp-0.6.34.tgz#94ad1c798a11d7fc67381b50d47f8cc18d9799f7"
@@ -2195,6 +2223,10 @@ verror@1.3.6:
   dependencies:
     extsprintf "1.0.2"
 
+whatwg-fetch@>=0.10.0:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-2.0.3.tgz#9c84ec2dcf68187ff00bc64e1274b442176e1c84"
+
 wide-align@^1.1.0:
   version "1.1.0"
   resolved "http://registry.npm.taobao.org/wide-align/download/wide-align-1.1.0.tgz#40edde802a71fea1f070da3e62dcda2e7add96ad"