fetch-compare/fixtures/fetch.js

const tests = {
	fetch: {
		async acceptCookie() {
			try {
				const ctrl = new AbortController();
				setTimeout(() => ctrl.abort(), 5000);
				const response = await fetch('http://httpbin.org/get', {
					headers: {Cookie: 'overwrote-cookie'},
					signal: ctrl.signal,
				});
				const o = await response.json();
				return `Cookie: ${o.headers.Cookie}`;
			} catch (error) {
				return error.toString();
			}
		},
		async acceptReferer() {
			try {
				const ctrl = new AbortController();
				setTimeout(() => ctrl.abort(), 5000);
				const response = await fetch('http://httpbin.org/get', {
					headers: {Referer: 'overwrote-referer'},
					signal: ctrl.signal,
				});
				const o = await response.json();
				return `Referer: ${o.headers.Referer}`;
			} catch (error) {
				return error.toString();
			}
		},
		async acceptKeepAlive() {
			try {
				const ctrl = new AbortController();
				setTimeout(() => ctrl.abort(), 5000);
				const response = await fetch('http://httpbin.org/get', {
					headers: {'Keep-Alive': 'timeout=5, max=1000'},
					signal: ctrl.signal,
				});
				const o = await response.json();
				return `Keep-Alive: ${o.headers['Keep-Alive']}`;
			} catch (error) {
				return error.toString();
			}
		},
		async acceptDate() {
			try {
				const ctrl = new AbortController();
				setTimeout(() => ctrl.abort(), 5000);
				const response = await fetch('http://httpbin.org/get', {
					headers: {Date: 'overwrote-date'},
					signal: ctrl.signal,
				});
				const o = await response.json();
				return `Date: ${o.headers.Date}`;
			} catch (error) {
				return error.toString();
			}
		},
		async acceptHost() {
			try {
				const ctrl = new AbortController();
				setTimeout(() => ctrl.abort(), 5000);
				const response = await fetch('http://httpbin.org/get', {
					headers: {Host: 'overwrote-host.example.com'},
					signal: ctrl.signal,
				});
				const o = await response.json();
				return `Host: ${o.headers.Host}`;
			} catch (error) {
				return error.toString();
			}
		},
		async acceptContentLength0() {
			try {
				const ctrl = new AbortController();
				setTimeout(() => ctrl.abort(), 5000);
				const response = await fetch('http://httpbin.org/get', {
					headers: {'Content-Length': '0'},
					signal: ctrl.signal,
				});
				const o = await response.json();
				return `Content-Length: ${o.headers['Content-Length']}`;
			} catch (error) {
				return error.toString();
			}
		},
		async acceptContentLength2() {
			try {
				const ctrl = new AbortController();
				setTimeout(() => ctrl.abort(), 5000);
				const response = await fetch('http://httpbin.org/get', {
					headers: {'Content-Length': '2'},
					signal: ctrl.signal,
				});
				const o = await response.json();
				return `Content-Length: ${o.headers['Content-Length']}`;
			} catch (error) {
				return error.toString();
			}
		},
	},
};
export default tests;