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

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// META: script=/common/get-host-info.sub.js
var redirectLocation = "cors-top.txt";
const { ORIGIN, REMOTE_ORIGIN } = get_host_info();
function testRedirect(origin, redirectStatus, redirectMode, corsMode) {
var url = new URL("../resources/redirect.py", self.location);
if (origin === "cross-origin") {
url.host = get_host_info().REMOTE_HOST;
url.port = get_host_info().HTTP_PORT;
}
var urlParameters = "?redirect_status=" + redirectStatus;
urlParameters += "&location=" + encodeURIComponent(redirectLocation);
var requestInit = {redirect: redirectMode, mode: corsMode};
promise_test(function(test) {
if (redirectMode === "error" ||
(corsMode === "no-cors" && redirectMode !== "follow" && origin !== "same-origin"))
return promise_rejects_js(test, TypeError, fetch(url + urlParameters, requestInit));
if (redirectMode === "manual")
return fetch(url + urlParameters, requestInit).then(function(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_equals(resp.url, url + urlParameters, "Response URL should be the original one");
});
if (redirectMode === "follow")
return fetch(url + urlParameters, requestInit).then(function(resp) {
if (corsMode !== "no-cors" || origin === "same-origin") {
assert_true(new URL(resp.url).pathname.endsWith(redirectLocation), "Response's url should be the redirected one");
assert_equals(resp.status, 200, "Response's status is 200");
} else {
assert_equals(resp.type, "opaque", "Response is opaque");
}
});
assert_unreached(redirectMode + " is no a valid redirect mode");
}, origin + " redirect " + redirectStatus + " in " + redirectMode + " redirect and " + corsMode + " mode");
}
for (var origin of ["same-origin", "cross-origin"]) {
for (var statusCode of [301, 302, 303, 307, 308]) {
for (var redirect of ["error", "manual", "follow"]) {
for (var mode of ["cors", "no-cors"])
testRedirect(origin, statusCode, redirect, mode);
}
}
}
promise_test(async (t) => {
const destination = `${ORIGIN}/common/blank.html`;
// We use /common/redirect.py intentionally, as we want a CORS error.
const url =
`${REMOTE_ORIGIN}/common/redirect.py?location=${destination}`;
await promise_rejects_js(t, TypeError, fetch(url, { redirect: "manual" }));
}, "manual redirect with a CORS error should be rejected");
done();