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// This file defines a directory_test() function that can be used to define
// tests that require a FileSystemDirectoryHandle. The implementation of that
// function in this file will ask the user to select an empty directory and uses
// that directory.
//
// Another implementation of this function exists in
// fs/resources/sandboxed-fs-test-helpers.js, where that version uses the
// sandboxed file system instead.
const directory_promise = (async () => {
await new Promise(resolve => {
window.addEventListener('DOMContentLoaded', resolve);
});
// Small delay to give chrome's test automation a chance to actually install
// itself.
await new Promise(resolve => step_timeout(resolve, 100));
await window.test_driver.bless(
'show a file picker.<br />Please select an empty directory');
const entries = await self.showDirectoryPicker();
assert_true(entries instanceof FileSystemHandle);
assert_true(entries instanceof FileSystemDirectoryHandle);
for await (const entry of entries) {
assert_unreached('Selected directory is not empty');
}
return entries;
})();
function directory_test(func, description) {
promise_test(async t => {
const directory = await directory_promise;
// To be resilient against tests not cleaning up properly, cleanup before
// every test.
for await (let entry of directory.values()) {
await directory.removeEntry(
entry.name, {recursive: entry.kind === 'directory'});
}
await func(t, directory);
}, description);
}
directory_test(async (t, dir) => {
assert_equals(await dir.queryPermission({mode: 'read'}), 'granted');
}, 'User succesfully selected an empty directory.');
directory_test(async (t, dir) => {
const status = await dir.queryPermission({mode: 'readwrite'});
if (status == 'granted')
return;
await window.test_driver.bless('ask for write permission');
assert_equals(await dir.requestPermission({mode: 'readwrite'}), 'granted');
}, 'User granted write access.');
const child_frame_js = (origin, frameFn, done) => `
const importScript = ${importScript};
await importScript("/html/cross-origin-embedder-policy/credentialless" +
"/resources/common.js");
await importScript("/html/anonymous-iframe/resources/common.js");
await importScript("/common/utils.js");
await send("${done}", ${frameFn}("${origin}"));
`;
/**
* Context identifiers for executor subframes of framed tests. Individual
* contexts (or convenience context lists below) can be used to send JavaScript
* for evaluation in each frame (see framed_test below).
*
* Note that within framed tests:
* - firstParty represents the top-level document.
* - thirdParty represents an embedded context (iframe).
* - ancestorBit contexts include a cross-site ancestor iframe.
* - anonymousFrame contexts are third-party anonymous iframe contexts.
*/
const FRAME_CONTEXT = {
firstParty: 0,
thirdPartySameSite: 1,
thirdPartySameSite_AncestorBit: 2,
thirdPartyCrossSite: 3,
anonymousFrameSameSite: 4,
anonymousFrameSameSite_AncestorBit: 5,
anonymousFrameCrossSite: 6,
};
// TODO(crbug.com/1322897): Add AncestorBit contexts.
const sameSiteContexts = [
FRAME_CONTEXT.firstParty,
FRAME_CONTEXT.thirdPartySameSite,
FRAME_CONTEXT.anonymousFrameSameSite,
];
// TODO(crbug.com/1322897): Add AncestorBit contexts.
const crossSiteContexts = [
FRAME_CONTEXT.thirdPartyCrossSite,
FRAME_CONTEXT.anonymousFrameCrossSite,
];
// TODO(crbug.com/1322897): Add AncestorBit contexts.
const childContexts = [
FRAME_CONTEXT.thirdPartySameSite,
FRAME_CONTEXT.thirdPartyCrossSite,
FRAME_CONTEXT.anonymousFrameSameSite,
FRAME_CONTEXT.anonymousFrameCrossSite,
];
/**
* Creates a promise test with same- & cross-site executor subframes.
*
* In addition to the standard testing object, the provided func will be called
* with a sendTo function. sendTo expects:
* - contexts: an Iterable of FRAME_CONTEXT constants representing the
* frame(s) in which the provided script will be concurrently run.
* - js_gen: a function which should generate a script string when called
* with a string token. sendTo will wait until a "done" message
* is sent to this queue.
*/
function framed_test(func, description) {
const same_site_origin = get_host_info().HTTPS_ORIGIN;
const cross_site_origin = get_host_info().HTTPS_NOTSAMESITE_ORIGIN;
const frames = Object.values(FRAME_CONTEXT);
promise_test(async (t) => {
return new Promise(async (resolve, reject) => {
try {
// Set up handles to all third party frames.
const handles = [
null, // firstParty
newIframe(same_site_origin), // thirdPartySameSite
null, // thirdPartySameSite_AncestorBit
newIframe(cross_site_origin), // thirdPartyCrossSite
newAnonymousIframe(same_site_origin), // anonymousFrameSameSite
null, // anonymousFrameSameSite_AncestorBit
newAnonymousIframe(cross_site_origin), // anonymousFrameCrossSite
];
// Set up nested SameSite frames for ancestor bit contexts.
const setUpQueue = token();
send(newIframe(cross_site_origin),
child_frame_js(same_site_origin, "newIframe", setUpQueue));
handles[FRAME_CONTEXT.thirdPartySameSite_AncestorBit] =
await receive(setUpQueue);
send(newAnonymousIframe(cross_site_origin),
child_frame_js(same_site_origin, "newAnonymousIframe", setUpQueue));
handles[FRAME_CONTEXT.anonymousFrameSameSite_AncestorBit] =
await receive(setUpQueue);
const sendTo = (contexts, js_generator) => {
// Send to all contexts in parallel to minimize timeout concerns.
return Promise.all(contexts.map(async (context) => {
const queue = token();
const js_string = js_generator(queue, context);
switch (context) {
case FRAME_CONTEXT.firstParty:
// Code is executed directly in this frame via eval() rather
// than in a new context to avoid differences in API access.
eval(`(async () => {${js_string}})()`);
break;
case FRAME_CONTEXT.thirdPartySameSite:
case FRAME_CONTEXT.thirdPartyCrossSite:
case FRAME_CONTEXT.anonymousFrameSameSite:
case FRAME_CONTEXT.anonymousFrameCrossSite:
case FRAME_CONTEXT.thirdPartySameSite_AncestorBit:
case FRAME_CONTEXT.anonymousFrameSameSite_AncestorBit:
send(handles[context], js_string);
break;
default:
reject(`Cannot execute in context: ${context}`);
}
if (await receive(queue) != "done") {
reject(`Script failed in frame ${context}: ${js_string}`);
}
}));
};
await func(t, sendTo);
} catch (e) {
reject(e);
}
resolve();
});
}, description);
}
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