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const echo = "/client-hints/accept-ch-stickiness/resources/echo-client-hints-received.py";
const accept = "/client-hints/accept-ch-stickiness/resources/accept-ch.html";
const accept_blank = "/client-hints/accept-ch-stickiness/resources/accept-ch-blank.html";
const no_accept = "/client-hints/accept-ch-stickiness/resources/no-accept-ch.html";
const httpequiv_accept = "/client-hints/accept-ch-stickiness/resources/http-equiv-accept-ch.html";
const metaequiv_delegate = "/client-hints/accept-ch-stickiness/resources/meta-equiv-delegate-ch.html";
const expect = "/client-hints/accept-ch-stickiness/resources/expect-client-hints-headers.html"
const do_not_expect = "/client-hints/accept-ch-stickiness/resources/do-not-expect-client-hints-headers.html"
const host_info = get_host_info();
function verify_initial_state(initial_url, test_name) {
promise_test(t => {
return fetch(initial_url).then(r => {
assert_equals(r.status, 200)
// Verify that the browser did not include client hints in the request
// headers when fetching echo-client-hints-received.py.
assert_false(r.headers.has("device-memory-received"),
"device-memory-received");
assert_false(r.headers.has("device-memory-deprecated-received"),
"device-memory-deprecated-received");
});
}, test_name + " precondition: Test that the browser does not have client " +
"hints preferences cached");
}
function verify_iframe_state(expect_url, test_name) {
promise_test(t => {
return new Promise(resolve => {
window.addEventListener('message', t.step_func(function(e) {
assert_equals(e.data, "PASS", "message from opened frame");
fetch("/client-hints/accept-ch-stickiness/resources/clear-site-data.html").then(resolve);
}));
const iframe = document.createElement("iframe");
iframe.src = expect_url;
document.body.appendChild(iframe);
});
}, test_name + " got client hints according to expectations.");
}
function verify_navigation_state(expect_url, test_name) {
promise_test(t => {
return new Promise(resolve => {
let win;
window.addEventListener('message', t.step_func(function(e) {
win.close();
assert_equals(e.data, "PASS", "message from opened page");
fetch("/client-hints/accept-ch-stickiness/resources/clear-site-data.html").then(resolve);
}));
// Open a new window. Verify that the user agent attaches client hints.
win = window.open(expect_url);
assert_not_equals(win, null, "Popup windows not allowed?");
});
}, test_name + " got client hints according to expectations.");
}
function verify_subresource_state(expect_url, test_name) {
promise_test(t => {
return new Promise(resolve => {
fetch(expect_url).then(response => response.text()).then(t.step_func(text => {
assert_true(text.includes("PASS"));
fetch("/client-hints/accept-ch-stickiness/resources/clear-site-data.html").then(resolve);
}));
});
}, test_name + " got client hints according to expectations.");
}
function verify_syncxhr_state(expect_url, test_name) {
promise_test(t => {
return new Promise(resolve => {
const xhr = new XMLHttpRequest();
xhr.onreadystatechange = t.step_func(() => {
if (xhr.readyState != XMLHttpRequest.DONE) {
return;
}
assert_true(xhr.responseText.includes("PASS"));
fetch("/client-hints/accept-ch-stickiness/resources/clear-site-data.html").then(resolve);
});
xhr.open("GET", expect_url, false /* async */);
xhr.send();
});
}, test_name + " got client hints according to expectations.");
}
function attempt_set(test_type, accept_url, test_name, test_name_suffix) {
promise_test(t => {
return new Promise(resolve => {
if (test_type == "navigation") {
const win = window.open(accept_url);
assert_not_equals(win, null, "Popup windows not allowed?");
addEventListener('message', t.step_func(() => {
win.close();
resolve();
}), false);
} else if (test_type == "iframe") {
const iframe = document.createElement("iframe");
iframe.addEventListener('load', t.step_func(() => {
resolve();
}), false);
iframe.src = accept_url;
document.body.appendChild(iframe);
} else if (test_type == "subresource") {
fetch(accept_url).then(r => {
assert_equals(r.status, 200, "subresource response status")
// Verify that the browser did not include client hints in the request
// headers, just because we can..
assert_false(r.headers.has("device-memory-received"),
"device-memory-received",
"subresource request had no client hints");
assert_false(r.headers.has("device-memory-deprecated-received"),
"device-memory-deprecated-received",
"subresource request had no client hints");
resolve();
});
} else {
assert_unreached("unknown test type");
}
});
}, test_name + " set Accept-CH" + test_name_suffix);
}
const run_test = test => {
// First, verify the initial state to make sure that the browser does not have
// client hints preferences cached from a previous run of the test.
verify_initial_state(test.initial_url, test.name);
// Then, attempt to set Accept-CH
attempt_set(test.type, test.accept_url, test.name, "");
// Finally, verify that CH are actually sent (or not) on requests
verify_navigation_state(test.expect_url, test.name);
};