mozilla-central/testing/web-platform/tests/fetch/api/redirect/redirect-location.any.js (file symbol)

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// META: global=window,worker
// META: script=../resources/utils.js
const VALID_URL = 'top.txt';
const INVALID_URL = 'invalidurl:';
const DATA_URL = 'data:text/plain;base64,cmVzcG9uc2UncyBib2R5';
/**
* A test to fetch a URL that returns response redirecting to `toUrl` with
* `status` as its HTTP status code. `expectStatus` can be set to test the
* status code in fetch's Promise response.
*/
function redirectLocationTest(toUrlDesc, {
toUrl = undefined,
status,
expectStatus = undefined,
mode,
shouldPass = true
} = {}) {
toUrlDesc = toUrl ? `with ${toUrlDesc}` : `without`;
const desc = `Redirect ${status} in "${mode}" mode ${toUrlDesc} location`;
const url = `${RESOURCES_DIR}redirect.py?redirect_status=${status}` +
(toUrl ? `&location=${encodeURIComponent(toUrl)}` : '');
const requestInit = {'redirect': mode};
if (!expectStatus)
expectStatus = status;
promise_test((test) => {
if (mode === 'error' || !shouldPass)
return promise_rejects_js(test, TypeError, fetch(url, requestInit));
if (mode === 'manual')
return fetch(url, requestInit).then((resp) => {
assert_equals(resp.status, 0, "Response's status is 0");
assert_equals(resp.type, "opaqueredirect", "Response's type is opaqueredirect");
assert_equals(resp.statusText, '', `Response's statusText is ""`);
assert_true(resp.headers.entries().next().done, "Headers should be empty");
});
if (mode === 'follow')
return fetch(url, requestInit).then((resp) => {
assert_equals(
resp.status, expectStatus, `Response's status is ${expectStatus}`);
});
assert_unreached(`${mode} is not a valid redirect mode`);
}, desc);
}
// FIXME: We may want to mix redirect-mode and cors-mode.
for (const status of [301, 302, 303, 307, 308]) {
redirectLocationTest('without location', {status, mode: 'follow'});
redirectLocationTest('without location', {status, mode: 'manual'});
// FIXME: Add tests for "error" redirect-mode without location.
// When succeeded, `follow` mode should have followed all redirects.
redirectLocationTest(
'valid', {toUrl: VALID_URL, status, expectStatus: 200, mode: 'follow'});
redirectLocationTest('valid', {toUrl: VALID_URL, status, mode: 'manual'});
redirectLocationTest('valid', {toUrl: VALID_URL, status, mode: 'error'});
redirectLocationTest(
'invalid',
{toUrl: INVALID_URL, status, mode: 'follow', shouldPass: false});
redirectLocationTest('invalid', {toUrl: INVALID_URL, status, mode: 'manual'});
redirectLocationTest('invalid', {toUrl: INVALID_URL, status, mode: 'error'});
redirectLocationTest(
'data', {toUrl: DATA_URL, status, mode: 'follow', shouldPass: false});
// FIXME: Should this pass?
redirectLocationTest('data', {toUrl: DATA_URL, status, mode: 'manual'});
redirectLocationTest('data', {toUrl: DATA_URL, status, mode: 'error'});
}
done();