url-with-fetch.any.js

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This test has a WPT meta file that expects 3 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /FileAPI/url/url-with-fetch.any.html - WPT Dashboard Interop Dashboard
- /FileAPI/url/url-with-fetch.any.worker.html - WPT Dashboard Interop Dashboard

// META: script=resources/fetch-tests.js

// META: script=/common/gc.js

function fetch_should_succeed(test, request) {

  return fetch(request).then(response => response.text());

function fetch_should_fail(test, url, method = 'GET') {

  return promise_rejects_js(test, TypeError, fetch(url, {method: method}));

fetch_tests('fetch', fetch_should_succeed, fetch_should_fail);

promise_test(t => {

  const blob_contents = 'test blob contents';

  const blob_type = 'image/png';

  const blob = new Blob([blob_contents], {type: blob_type});

  const url = URL.createObjectURL(blob);

  return fetch(url).then(response => {

    assert_equals(response.headers.get('Content-Type'), blob_type);

});

}, 'fetch should return Content-Type from Blob');

promise_test(t => {

  const blob_contents = 'test blob contents';

  const blob = new Blob([blob_contents]);

  const url = URL.createObjectURL(blob);

  const request = new Request(url);

  // Revoke the object URL.  Request should take a reference to the blob as

  // soon as it receives it in open(), so the request succeeds even though we

  // revoke the URL before calling fetch().

  URL.revokeObjectURL(url);

  return fetch_should_succeed(t, request).then(text => {

    assert_equals(text, blob_contents);

});

}, 'Revoke blob URL after creating Request, will fetch');

promise_test(async t => {

  const blob_contents = 'test blob contents';

  const blob = new Blob([blob_contents]);

  const url = URL.createObjectURL(blob);

  let request = new Request(url);

  // Revoke the object URL.  Request should take a reference to the blob as

  // soon as it receives it in open(), so the request succeeds even though we

  // revoke the URL before calling fetch().

  URL.revokeObjectURL(url);

  request = request.clone();

  await garbageCollect();

  const text = await fetch_should_succeed(t, request);

  assert_equals(text, blob_contents);

}, 'Revoke blob URL after creating Request, then clone Request, will fetch');

promise_test(function(t) {

  const blob_contents = 'test blob contents';

  const blob = new Blob([blob_contents]);

  const url = URL.createObjectURL(blob);

  const result = fetch_should_succeed(t, url).then(text => {

    assert_equals(text, blob_contents);

});

  // Revoke the object URL. fetch should have already resolved the blob URL.

  URL.revokeObjectURL(url);

  return result;

}, 'Revoke blob URL after calling fetch, fetch should succeed');