readme and test update

Author: David Frank

README.md

@@ -1,5 +1,38 @@
-# fetch-blob
+
+fetch-blob
+==========
+
+[![npm version][npm-image]][npm-url]
+[![build status][travis-image]][travis-url]
+[![coverage status][codecov-image]][codecov-url]
+[![install size][install-size-image]][install-size-url]
 
 A Blob implementation on node.js, originally from node-fetch
 
-See [MDN doc](https://developer.mozilla.org/en-US/docs/Web/API/Blob) and [Tests](https://github.com/bitinn/fetch-blob/blob/master/test.js) for details
+## Usage
+
+```sh
+$ npm install fetch-blob
+```
+
+```js
+const Blob = require('fetch-blob');
+const fetch = require('node-fetch');
+fetch('https://httpbin.org/post', {
+        method: 'POST',
+        body: new Blob(['hello'], { type: 'text/plain' })
+    })
+    .then(res => res.json()) // expecting a json response
+    .then(json => console.log(json));
+```
+
+See [MDN doc](https://developer.mozilla.org/en-US/docs/Web/API/Blob) and [Tests](https://github.com/bitinn/fetch-blob/blob/master/test.js) for more details.
+
+[npm-image]: https://flat.badgen.net/npm/v/fetch-blob
+[npm-url]: https://www.npmjs.com/package/fetch-blob
+[travis-image]: https://flat.badgen.net/travis/bitinn/fetch-blob
+[travis-url]: https://travis-ci.org/bitinn/fetch-blob
+[codecov-image]: https://flat.badgen.net/codecov/c/github/bitinn/fetch-blob/master
+[codecov-url]: https://codecov.io/gh/bitinn/fetch-blob
+[install-size-image]: https://flat.badgen.net/packagephobia/install/fetch-blob
+[install-size-url]: https://packagephobia.now.sh/result?p=fetch-blob

test.js

@@ -68,11 +68,20 @@ test('Blob slice()', async t => {
 	t.is(await blob2.text(), data.slice(0, 1));
 });
 
-test('Blob works with node-fetch Response', async t => {
+test('Blob works with node-fetch Response.blob()', async t => {
 	let data = 'a=1';
 	let type = 'text/plain';
 	let blob = new Blob([data], { type });
 	let res = new Response(blob);
 	let blob2 = await res.blob();
 	t.is(await blob2.text(), data);
 });
+
+test('Blob works with node-fetch Response.text()', async t => {
+	let data = 'a=1';
+	let type = 'text/plain';
+	let blob = new Blob([data], { type });
+	let res = new Response(blob);
+	let text = await res.text();
+	t.is(text, data);
+});