Update packages

.nycrc

@@ -1,7 +1,4 @@
 {
-  "include": [
-    "src/*.js"
-  ],
   "require": [
     "babel-register"
   ],

package.json

@@ -31,26 +31,26 @@
   },
   "homepage": "https://github.com/bitinn/node-fetch",
   "devDependencies": {
-    "babel-plugin-istanbul": "^2.0.1",
+    "babel-plugin-istanbul": "^3.0.0",
     "babel-plugin-transform-runtime": "^6.15.0",
     "babel-preset-es2015": "^6.16.0",
     "babel-register": "^6.16.3",
     "bluebird": "^3.3.4",
     "chai": "^3.5.0",
-    "chai-as-promised": "^5.2.0",
+    "chai-as-promised": "^6.0.0",
     "chai-iterator": "^1.1.1",
     "codecov": "^1.0.1",
-    "cross-env": "2.0.1",
+    "cross-env": "^3.1.3",
     "form-data": ">=1.0.0",
-    "mocha": "^2.1.0",
-    "nyc": "^8.3.0",
+    "mocha": "^3.1.2",
+    "nyc": "^10.0.0",
     "parted": "^0.1.1",
     "promise": "^7.1.1",
     "resumer": "0.0.0",
     "rollup": "^0.36.4",
     "rollup-plugin-babel": "^2.6.1",
     "rollup-plugin-node-resolve": "^2.0.0",
-    "whatwg-url": "^3.0.0"
+    "whatwg-url": "^4.0.0"
   },
   "dependencies": {
     "babel-runtime": "^6.11.6",

test/test.js

@@ -1039,53 +1039,36 @@ describe(`node-fetch with FOLLOW_SPEC = ${defaultFollowSpec}`, () => {
 		});
 	});
 
-	it('should allow piping response body as stream', function(done) {
+	it('should allow piping response body as stream', function() {
 		url = `${base}hello`;
-		fetch(url).then(res => {
+		return fetch(url).then(res => {
 			expect(res.body).to.be.an.instanceof(stream.Transform);
-			res.body.on('data', chunk => {
+			return streamToPromise(res.body, chunk => {
 				if (chunk === null) {
 					return;
 				}
 				expect(chunk.toString()).to.equal('world');
 			});
-			res.body.on('end', () => {
-				done();
-			});
 		});
 	});
 
-	it('should allow cloning a response, and use both as stream', function(done) {
+	it('should allow cloning a response, and use both as stream', function() {
 		url = `${base}hello`;
 		return fetch(url).then(res => {
-			let counter = 0;
 			const r1 = res.clone();
 			expect(res.body).to.be.an.instanceof(stream.Transform);
 			expect(r1.body).to.be.an.instanceof(stream.Transform);
-			res.body.on('data', chunk => {
+			const dataHandler = chunk => {
 				if (chunk === null) {
 					return;
 				}
 				expect(chunk.toString()).to.equal('world');
-			});
-			res.body.on('end', () => {
-				counter++;
-				if (counter == 2) {
-					done();
-				}
-			});
-			r1.body.on('data', chunk => {
-				if (chunk === null) {
-					return;
-				}
-				expect(chunk.toString()).to.equal('world');
-			});
-			r1.body.on('end', () => {
-				counter++;
-				if (counter == 2) {
-					done();
-				}
-			});
+			};
+
+			return Promise.all([
+				streamToPromise(res.body, dataHandler),
+				streamToPromise(r1.body, dataHandler)
+			]);
 		});
 	});
 
@@ -1698,3 +1681,15 @@ describe(`node-fetch with FOLLOW_SPEC = ${defaultFollowSpec}`, () => {
 });
 
 });
+
+function streamToPromise(stream, dataHandler) {
+	return new Promise((resolve, reject) => {
+		stream.on('data', (...args) => {
+			Promise.resolve()
+				.then(() => dataHandler(...args))
+				.catch(reject);
+		});
+		stream.on('end', resolve);
+		stream.on('error', reject);
+	});
+}