chore: create test case for the problem

Author: Gozala

test/main.js

@@ -613,6 +613,24 @@ describe('node-fetch', () => {
 		});
 	});
 
+	it('should handle network-error in chunked response', () => {
+		const url = `${base}error/premature/chunked`;
+		return fetch(url).then(res => {
+			expect(res.status).to.equal(200);
+			expect(res.ok).to.be.true;
+
+			const read = async (body) => {
+				const chunks = [];
+				for await (const chunk of body) {
+					chunks.push(chunk);
+				}
+				return chunks;
+			};
+
+			return expect(read(res.body)).to.eventually.be.rejectedWith(Error);
+		});
+	});
+
 	it('should handle DNS-error response', () => {
 		const url = 'http://domain.invalid';
 		return expect(fetch(url)).to.eventually.be.rejected

test/utils/server.js

@@ -323,6 +323,23 @@ export default class TestServer {
 			}, 100);
 		}
 
+		if (p === '/error/premature/chunked') {
+			res.writeHead(200, {
+				'content-type': 'application/json',
+				'transfer-encoding': 'chunked'
+			});
+
+			res.write(`${JSON.stringify({ data: 'hi' })}\n`);
+
+			setTimeout(() => {
+				res.write(`${JSON.stringify({ data: 'bye' })}\n`);
+			}, 100);
+
+			setTimeout(() => {
+				res.destroy()
+			}, 200);
+		}
+
 		if (p === '/error/json') {
 			res.statusCode = 200;
 			res.setHeader('Content-Type', 'application/json');