error.ts

import {Buffer} from 'buffer';
import {URL} from 'url';
import {promisify} from 'util';
import net from 'net';
import http from 'http';
import stream from 'stream';
import test from 'ava';
import getStream from 'get-stream';
import is from '@sindresorhus/is';
import got, {RequestError, HTTPError, TimeoutError} from '../source/index.js';
import type Request from '../source/core/index.js';
import withServer from './helpers/with-server.js';
import invalidUrl from './helpers/invalid-url.js';

const pStreamPipeline = promisify(stream.pipeline);

test('properties', withServer, async (t, server, got) => {
	server.get('/', (_request, response) => {
		response.statusCode = 404;
		response.end('not');
	});

	const url = new URL(server.url);

	const error = (await t.throwsAsync<HTTPError>(got('')))!;
	t.truthy(error);
	t.truthy(error.response);
	t.truthy(error.options);
	t.true(Object.prototype.propertyIsEnumerable.call(error, 'options'));
	t.false(Object.prototype.propertyIsEnumerable.call(error, 'response'));
	t.is(error.code, 'ERR_NON_2XX_3XX_RESPONSE');
	t.is(error.message, 'Response code 404 (Not Found)');
	t.deepEqual(error.options.url, url);
	t.is(error.response.headers.connection, 'close');
	t.is(error.response.body, 'not');
});

test('catches dns errors', async t => {
	const error = (await t.throwsAsync<RequestError>(got('http://doesntexist', {retry: {limit: 0}})))!;
	t.truthy(error);
	t.regex(error.message, /ENOTFOUND|EAI_AGAIN/);
	t.is((error.options.url as URL).host, 'doesntexist');
	t.is(error.options.method, 'GET');
	t.true(['ENOTFOUND', 'EAI_AGAIN'].includes(error.code));
});

test('`options.body` form error message', async t => {
	// @ts-expect-error Error tests
	await t.throwsAsync(got.post('https://example.com', {body: Buffer.from('test'), form: ''}),
		{
			instanceOf: RequestError,
			message: 'Expected value which is `predicate returns truthy for any value`, received values of types `string`.',
		},
		// {message: 'The `body`, `json` and `form` options are mutually exclusive'}
	);
});

test('no plain object restriction on json body', withServer, async (t, server, got) => {
	server.post('/body', async (request, response) => {
		await pStreamPipeline(request, response);
	});

	class CustomObject {
		a = 123;
	}

	const body = await got.post('body', {json: new CustomObject()}).json();

	t.deepEqual(body, {a: 123});
});

test('default status message', withServer, async (t, server, got) => {
	server.get('/', (_request, response) => {
		response.statusCode = 400;
		response.end('body');
	});

	const error = await t.throwsAsync<HTTPError>(got(''),
		{
			instanceOf: HTTPError,
			message: 'Response code 400 (Bad Request)',
		});
	t.is(error?.response.statusCode, 400);
	t.is(error?.response.statusMessage, 'Bad Request');
});

test('custom status message', withServer, async (t, server, got) => {
	server.get('/', (_request, response) => {
		response.statusCode = 400;
		response.statusMessage = 'Something Exploded';
		response.end('body');
	});

	const error = await t.throwsAsync<HTTPError>(got(''),
		{
			instanceOf: HTTPError,
			message: 'Response code 400 (Something Exploded)',
		});
	t.is(error?.response.statusCode, 400);
	t.is(error?.response.statusMessage, 'Something Exploded');
});

test('custom body', withServer, async (t, server, got) => {
	server.get('/', (_request, response) => {
		response.statusCode = 404;
		response.end('not');
	});

	const error = await t.throwsAsync<HTTPError>(got(''),
		{
			instanceOf: HTTPError,
			message: 'Response code 404 (Not Found)',
		});
	t.is(error?.response.statusCode, 404);
	t.is(error?.response.body, 'not');
});

test('contains Got options', withServer, async (t, server, got) => {
	server.get('/', (_request, response) => {
		response.statusCode = 404;
		response.end();
	});

	const options = {
		context: {
			foo: 'bar',
		},
	} as const;

	const error = await t.throwsAsync<HTTPError>(got(options),
		{
			instanceOf: HTTPError,
			message: 'Response code 404 (Not Found)',
		});
	t.is(error?.response.statusCode, 404);
	t.is(error?.options.context.foo, options.context.foo);
});

test.failing('empty status message is overriden by the default one', withServer, async (t, server, got) => {
	server.get('/', (_request, response) => {
		response.writeHead(400, '');
		response.end('body');
	});

	const error = await t.throwsAsync<HTTPError>(got(''),
		{
			instanceOf: HTTPError,
			message: 'Response code 400 (Bad Request)',
		});
	t.is(error?.response.statusCode, 400);
	t.is(error?.response.statusMessage, http.STATUS_CODES[400]);
});

test('`http.request` error', async t => {
	await t.throwsAsync(got('https://example.com', {
		request() {
			throw new TypeError('The header content contains invalid characters');
		},
	}), {
		instanceOf: RequestError,
		message: 'The header content contains invalid characters',
		code: 'ERR_GOT_REQUEST_ERROR',
	});
});

test('`http.request` pipe error', async t => {
	const message = 'snap!';

	await t.throwsAsync(got('https://example.com', {
		// @ts-expect-error Error tests
		request() {
			const proxy = new stream.PassThrough();

			const anyProxy = proxy as any;
			anyProxy.socket = {
				remoteAddress: '',
				prependOnceListener() {},
			};

			anyProxy.headers = {};

			anyProxy.abort = () => {};

			proxy.resume();
			proxy.read = () => {
				proxy.destroy(new Error(message));

				return null;
			};

			return proxy;
		},
		throwHttpErrors: false,
	}), {
		instanceOf: RequestError,
		message,
	});
});

test('`http.request` error through CacheableRequest', async t => {
	await t.throwsAsync(got('https://example.com', {
		request() {
			throw new TypeError('The header content contains invalid characters');
		},
		cache: new Map(),
	}), {
		instanceOf: RequestError,
		message: 'The header content contains invalid characters',
	});
});

test('returns a stream even if normalization fails', async t => {
	const stream = got('https://example.com', {
		isStream: true,
		// @ts-expect-error Testing purposes
		hooks: false,
	}) as unknown as Request;

	await t.throwsAsync(getStream(stream), {
		instanceOf: RequestError,
		message: 'Expected value which is `Object`, received value of type `boolean`.',
	});
});

test('normalization errors using convenience methods', async t => {
	const url = 'undefined/https://example.com';

	{
		const error = await t.throwsAsync(got(url).json());
		invalidUrl(t, error!, url);
	}

	{
		const error = await t.throwsAsync(got(url).text());
		invalidUrl(t, error!, url);
	}

	{
		const error = await t.throwsAsync(got(url).buffer());
		invalidUrl(t, error!, url);
	}
});

test('errors can have request property', withServer, async (t, server, got) => {
	server.get('/', (_request, response) => {
		response.statusCode = 404;
		response.end();
	});

	const error = await t.throwsAsync<HTTPError>(got(''));

	t.truthy(error?.response);
	t.truthy(error?.request.downloadProgress);
});

test('promise does not hang on timeout on HTTP error', withServer, async (t, server, got) => {
	server.get('/', (_request, response) => {
		response.statusCode = 404;
		response.write('asdf');
	});

	await t.throwsAsync(got({
		timeout: {
			request: 100,
		},
	}), {
		instanceOf: TimeoutError,
		code: 'ETIMEDOUT',
	});
});

test('no uncaught parse errors', async t => {
	const server = net.createServer();

	const listen = promisify(server.listen.bind(server));
	const close = promisify(server.close.bind(server));

	await listen();

	server.on('connection', socket => {
		socket.resume();
		socket.end([
			'HTTP/1.1 404 Not Found',
			'transfer-encoding: chunked',
			'',
			'0',
			'',
			'',
		].join('\r\n'));
	});

	await t.throwsAsync(got.head(`http://localhost:${(server.address() as net.AddressInfo).port}`), {
		instanceOf: RequestError,
		message: /^Parse Error/,
	});

	await close();
});

test('no uncaught parse errors #2', async t => {
	const server = net.createServer();

	const listen = promisify(server.listen.bind(server));
	const close = promisify(server.close.bind(server));

	await listen();

	server.on('connection', socket => {
		socket.resume();
		socket.write([
			'HTTP/1.1 200 OK',
			'content-length: 1',
			'',
			'0a',
		].join('\r\n'));
	});

	await t.throwsAsync(got(`http://localhost:${(server.address() as net.AddressInfo).port}`), {
		instanceOf: RequestError,
		message: /^Parse Error/,
	});

	await close();
});

// Fails randomly on Node 10:
// Blocked by https://github.com/istanbuljs/nyc/issues/619
// eslint-disable-next-line ava/no-skip-test
test.skip('the old stacktrace is recovered', async t => {
	const error = await t.throwsAsync(got('https://example.com', {
		request() {
			throw new Error('foobar');
		},
	}));

	t.true(error?.stack!.includes('at Object.request'));

	// The first `at get` points to where the error was wrapped,
	// the second `at get` points to the real cause.
	t.not(error?.stack!.indexOf('at get'), error?.stack!.lastIndexOf('at get'));
});

test.serial('custom stack trace', withServer, async (t, _server, got) => {
	// eslint-disable-next-line @typescript-eslint/naming-convention
	const ErrorCaptureStackTrace = Error.captureStackTrace;

	const enable = () => {
		Error.captureStackTrace = (target: {stack: any}) => {
			target.stack = [
				'line 1',
				'line 2',
			];
		};
	};

	const disable = () => {
		Error.captureStackTrace = ErrorCaptureStackTrace;
	};

	// Node.js default behavior
	{
		const stream = got.stream('');
		stream.destroy(new Error('oh no'));

		const caught = await t.throwsAsync(getStream(stream));
		t.is(is(caught?.stack), 'string');
	}

	// Passing a custom error
	{
		enable();
		const error = new Error('oh no');
		disable();

		const stream = got.stream('');
		stream.destroy(error);

		const caught = await t.throwsAsync(getStream(stream));
		t.is(is(caught?.stack), 'string');
	}

	// Custom global behavior
	{
		enable();
		const error = new Error('oh no');

		const stream = got.stream('');
		stream.destroy(error);

		const caught = await t.throwsAsync(getStream(stream));
		t.is(is(caught?.stack), 'Array');

		disable();
	}

	// Passing a default error that needs some processing
	{
		const error = new Error('oh no');
		enable();

		const stream = got.stream('');
		stream.destroy(error);

		const caught = await t.throwsAsync(getStream(stream));
		t.is(is(caught?.stack), 'Array');

		disable();
	}
});