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Test Info:
- Manifest: netwerk/test/browser/browser.toml
"use strict";
// A moz-newtab-wallpaper URI is only loadable by privileged content, so this
// loads one from the process about:newtab runs in. The xpcshell test covers
// the parent side; this covers the child branch and the stream it asks for.
const SAVED = "v1-custom-dark-center-1-550e8400-e29b-41d4-a716-446655440000";
// A 1x1 PNG. Saved wallpapers are served as image/jpeg whatever they are, and
// a raster is decoded from its own bytes, so this still loads.
const PNG_BASE64 =
"iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mP8z8BQDwAEhQGAhKmMIQAAAABJRU5ErkJggg==";
// Resolves either way, so a load that never happens fails as a wrong answer
// rather than as a timeout with nothing to read.
async function loadInContent(browser, spec) {
return SpecialPowers.spawn(browser, [spec], async src => {
return new Promise(resolve => {
let image = new content.Image();
image.addEventListener(
"load",
() => resolve({ loaded: true, width: image.naturalWidth }),
{ once: true }
);
image.addEventListener("error", () => resolve({ loaded: false }), {
once: true,
});
image.src = src;
});
});
}
add_task(async function test_library_paths_from_content() {
// asan and tsan open about:newtab well outside the default budget.
requestLongerTimeout(2);
await SpecialPowers.pushPrefEnv({
set: [
// A preloaded about:newtab has already fired its load event, so opening
// one would wait for an event that never comes.
["browser.newtab.preload", false],
["browser.newtabpage.activity-stream.feeds.topsites", false],
["browser.newtabpage.activity-stream.feeds.system.topstories", false],
["browser.newtabpage.activity-stream.discoverystream.enabled", false],
],
});
let libraryDir = PathUtils.join(PathUtils.profileDir, "wallpaper", "library");
await IOUtils.makeDirectory(libraryDir, { createAncestors: true });
let savedPath = PathUtils.join(libraryDir, SAVED);
await IOUtils.write(
savedPath,
Uint8Array.from(atob(PNG_BASE64), c => c.charCodeAt(0))
);
registerCleanupFunction(() =>
IOUtils.remove(savedPath, { ignoreAbsent: true })
);
await BrowserTestUtils.withNewTab("about:newtab", async browser => {
let saved = await loadInContent(
browser,
);
Assert.ok(saved.loaded, "a file in the library folder loads in content");
Assert.equal(saved.width, 1, "the image decoded");
// A backslash arrives still encoded, so this is one the handler refuses
// rather than one URI parsing has already collapsed.
let escaped = await loadInContent(
browser,
);
Assert.ok(!escaped.loaded, "a component with a separator does not load");
});
});