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fetch.js
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fetch.js
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import { test, summary } from './helpers.js';
console.log('Fetch Tests\n');
async function testRejects(name, fn) {
try {
await fn();
test(`${name} rejects`, false, true);
} catch (_err) {
test(`${name} rejects`, true, true);
}
}
test('fetch typeof', typeof fetch, 'function');
const textResponse = await fetch('data:,hello%20world');
test('fetch data url returns Response', textResponse instanceof Response, true);
test('fetch data url status', textResponse.status, 200);
test('fetch data url ok', textResponse.ok, true);
test('fetch data url url', textResponse.url, 'data:,hello%20world');
test('fetch data url text', await textResponse.text(), 'hello world');
const jsonResponse = await fetch('data:application/json,%7B%22ok%22%3Atrue%7D');
test('fetch data url json content-type', jsonResponse.headers.get('content-type'), 'application/json');
test('fetch data url json body', (await jsonResponse.json()).ok, true);
test('fetch response headers immutable', (() => {
try {
jsonResponse.headers.append('x-test', '1');
return false;
} catch (_err) {
return true;
}
})(), true);
const requestInput = new Request('data:text/plain,request-body');
const requestResponse = await fetch(requestInput);
test('fetch accepts Request input', await requestResponse.text(), 'request-body');
const abortedController = new AbortController();
abortedController.abort(new Error('aborted'));
await testRejects('fetch with aborted signal', () =>
fetch('data:,ignored', { signal: abortedController.signal })
);
await testRejects('fetch unsupported scheme', () =>
fetch('file:///tmp/ant-fetch-unsupported')
);
summary();

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fetch.js (1 KB)

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