/
stream.ts
216 lines (166 loc) 路 6.1 KB
/
stream.ts
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import {PassThrough} from 'stream';
import test from 'ava';
import toReadableStream from 'to-readable-stream';
import getStream from 'get-stream';
import pEvent from 'p-event';
import is from '@sindresorhus/is';
import withServer from './helpers/with-server';
const defaultHandler = (_request, response) => {
response.writeHead(200, {
unicorn: 'rainbow',
'content-encoding': 'gzip'
});
response.end(Buffer.from('H4sIAAAAAAAA/8vPBgBH3dx5AgAAAA==', 'base64')); // 'ok'
};
const redirectHandler = (_request, response) => {
response.writeHead(302, {
location: '/'
});
response.end();
};
const postHandler = (request, response) => {
request.pipe(response);
};
const errorHandler = (_request, response) => {
response.statusCode = 404;
response.end();
};
test('`options.responseType` is ignored', withServer, async (t, server, got) => {
server.get('/', defaultHandler);
await t.notThrowsAsync(getStream(got.stream({responseType: 'json'})));
});
test('returns readable stream', withServer, async (t, server, got) => {
server.get('/', defaultHandler);
const data = await getStream(got.stream(''));
t.is(data, 'ok');
});
test('returns writeable stream', withServer, async (t, server, got) => {
server.post('/', postHandler);
const stream = got.stream.post('');
const promise = getStream(stream);
stream.end('wow');
t.is(await promise, 'wow');
});
test('throws on write if body is specified', withServer, (t, server, got) => {
server.post('/', postHandler);
t.throws(() => {
got.stream.post({body: 'wow'}).end('wow');
}, 'Got\'s stream is not writable when the `body` option is used');
});
test('has request event', withServer, async (t, server, got) => {
server.get('/', defaultHandler);
const stream = got.stream('');
const request = await pEvent(stream, 'request');
t.truthy(request);
// @ts-ignore
t.is(request.method, 'GET');
await getStream(stream);
});
test('has redirect event', withServer, async (t, server, got) => {
server.get('/', defaultHandler);
server.get('/redirect', redirectHandler);
const stream = got.stream('redirect');
const {headers} = await pEvent(stream, 'redirect');
t.is(headers.location, '/');
await getStream(stream);
});
test('has response event', withServer, async (t, server, got) => {
server.get('/', defaultHandler);
const {statusCode} = await pEvent(got.stream(''), 'response');
t.is(statusCode, 200);
});
test('has error event', withServer, async (t, server, got) => {
server.get('/', errorHandler);
const stream = got.stream('');
await t.throwsAsync(pEvent(stream, 'response'), {
instanceOf: got.HTTPError,
message: 'Response code 404 (Not Found)'
});
});
test('has error event #2', withServer, async (t, _server, got) => {
const stream = got.stream('http://doesntexist');
await t.throwsAsync(pEvent(stream, 'response'), {code: 'ENOTFOUND'});
});
test('has response event if `options.throwHttpErrors` is false', withServer, async (t, server, got) => {
server.get('/', errorHandler);
const {statusCode} = await pEvent(got.stream({throwHttpErrors: false}), 'response');
t.is(statusCode, 404);
});
test('accepts `options.body` as a Stream', withServer, async (t, server, got) => {
server.post('/', postHandler);
const stream = got.stream.post({body: toReadableStream('wow')});
t.is(await getStream(stream), 'wow');
});
test('redirect response contains old url', withServer, async (t, server, got) => {
server.get('/', defaultHandler);
server.get('/redirect', redirectHandler);
const {requestUrl} = await pEvent(got.stream('redirect'), 'response');
t.is(requestUrl, `${server.url}/redirect`);
});
test('check for pipe method', withServer, (t, server, got) => {
server.get('/', defaultHandler);
const stream = got.stream('');
t.true(is.function_(stream.pipe));
t.true(is.function_(stream.on('foobar', () => {}).pipe));
stream.destroy();
});
test('piping works', withServer, async (t, server, got) => {
server.get('/', defaultHandler);
t.is(await getStream(got.stream('')), 'ok');
t.is(await getStream(got.stream('').on('foobar', () => {})), 'ok');
});
test('proxying headers works', withServer, async (t, server, got) => {
server.get('/', defaultHandler);
server.get('/proxy', (_request, response) => {
got.stream('').pipe(response);
});
const {headers, body} = await got('proxy');
t.is(headers.unicorn, 'rainbow');
t.is(headers['content-encoding'], undefined);
t.is(body, 'ok');
});
test('skips proxying headers after server has sent them already', withServer, async (t, server, got) => {
server.get('/', defaultHandler);
server.get('/proxy', (_request, response) => {
response.writeHead(200);
got.stream('').pipe(response);
});
const {headers} = await got('proxy');
t.is(headers.unicorn, undefined);
});
test('throws when trying to proxy through a closed stream', withServer, async (t, server, got) => {
server.get('/', defaultHandler);
const stream = got.stream('');
const promise = getStream(stream);
stream.once('data', () => {
t.throws(() => stream.pipe(new PassThrough()), 'Failed to pipe. The response has been emitted already.');
});
await promise;
});
test('proxies `content-encoding` header when `options.decompress` is false', withServer, async (t, server, got) => {
server.get('/', defaultHandler);
server.get('/proxy', (_request, response) => {
got.stream({decompress: false}).pipe(response);
});
const {headers} = await got('proxy');
t.is(headers.unicorn, 'rainbow');
t.is(headers['content-encoding'], 'gzip');
});
test('destroying got.stream() cancels the request', withServer, async (t, server, got) => {
server.get('/', defaultHandler);
const stream = got.stream('');
const request = await pEvent(stream, 'request');
stream.destroy();
// @ts-ignore
t.truthy(request.aborted);
});
test('piping to got.stream.put()', withServer, async (t, server, got) => {
server.get('/', defaultHandler);
server.put('/post', postHandler);
await t.notThrowsAsync(async () => {
await getStream(got.stream('').pipe(got.stream.put('post')));
});
});
// Do not remove this. Some test is throwing a unhandled rejection and we need to know what particular test does that.
// (It will log the test name in Got options)
process.on('unhandledRejection', console.log);