mozilla-central/toolkit/components/extensions/test/xpcshell/test_ext_dnr_download.js (file symbol)

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Test Info: Warnings

"use strict";
let server = createHttpServer({ hosts: ["example.com"] });
let downloadReqCount = 0;
server.registerPathHandler("/downloadtest", () => {
++downloadReqCount;
});
add_setup(async () => {
let downloadDir = await IOUtils.createUniqueDirectory(
Services.dirsvc.get("TmpD", Ci.nsIFile).path,
"downloadDirForDnrDownloadTest"
);
info(`Using download directory ${downloadDir.path}`);
Services.prefs.setIntPref("browser.download.folderList", 2);
Services.prefs.setCharPref("browser.download.dir", downloadDir);
registerCleanupFunction(async () => {
Services.prefs.clearUserPref("browser.download.folderList");
Services.prefs.clearUserPref("browser.download.dir");
try {
await IOUtils.remove(downloadDir);
} catch (e) {
info(`Failed to remove ${downloadDir} because: ${e}`);
// Downloaded files should have been deleted by tests.
// Clean up + report error otherwise.
let children = await IOUtils.getChildren(downloadDir).catch(e => e);
ok(false, `Unexpected files in downloadDir: ${children}`);
await IOUtils.remove(downloadDir, { recursive: true });
}
});
Services.prefs.setBoolPref("extensions.dnr.enabled", true);
});
// Test for Bug 1579911: Check that download requests created by the
// downloads.download API can be observed by extensions.
// The webRequest version is in test_ext_webRequest_download.js.
add_task(async function test_download_api_can_be_blocked_by_dnr() {
let extension = ExtensionTestUtils.loadExtension({
manifest: {
manifest_version: 3,
permissions: ["declarativeNetRequest", "downloads"],
// No host_permissions here because neither the downloads nor the DNR API
// require host permissions to download and/or block the request.
},
// Not needed, but to rule out downloads being blocked by CSP:
allowInsecureRequests: true,
background: async function () {
await browser.declarativeNetRequest.updateSessionRules({
addRules: [
{
id: 1,
condition: { urlFilter: "|http://example.com/downloadtest" },
action: { type: "block" },
},
],
});
browser.downloads.onChanged.addListener(delta => {
browser.test.assertEq(delta.state.current, "interrupted");
browser.test.sendMessage("done");
});
await browser.downloads.download({
filename: "example.txt",
});
},
});
await extension.startup();
await extension.awaitMessage("done");
await extension.unload();
Assert.equal(downloadReqCount, 0, "Did not expect any download requests");
});
add_task(async function test_download_api_ignores_dnr_from_other_extension() {
let extension = ExtensionTestUtils.loadExtension({
manifest: {
manifest_version: 3,
permissions: ["declarativeNetRequest"],
},
background: async function () {
await browser.declarativeNetRequest.updateSessionRules({
addRules: [
{
id: 1,
condition: { urlFilter: "|http://example.com/downloadtest" },
action: { type: "block" },
},
],
});
browser.test.sendMessage("dnr_registered");
},
});
let otherExtension = ExtensionTestUtils.loadExtension({
manifest: {
permissions: ["downloads"],
},
background: async function () {
let downloadDonePromise = new Promise(resolve => {
browser.downloads.onChanged.addListener(delta => {
if (delta.state.current === "interrupted") {
browser.test.fail("Download was unexpectedly interrupted");
browser.test.notifyFail("done");
} else if (delta.state.current === "complete") {
resolve();
}
});
});
// This download should not have been interrupted by the other extension,
// because declarativeNetRequest cannot match requests from other
// extensions.
let downloadId = await browser.downloads.download({
filename: "example_from_other_ext.txt",
});
await downloadDonePromise;
browser.test.log("Download completed, removing file...");
// TODO bug 1654819: On Windows the file may be recreated.
await browser.downloads.removeFile(downloadId);
browser.test.notifyPass("done");
},
});
await extension.startup();
await extension.awaitMessage("dnr_registered");
await otherExtension.startup();
await otherExtension.awaitFinish("done");
await otherExtension.unload();
await extension.unload();
Assert.equal(downloadReqCount, 1, "Expected one download request");
downloadReqCount = 0;
});
add_task(
{
pref_set: [["extensions.dnr.match_requests_from_other_extensions", true]],
},
async function test_download_api_dnr_blocks_other_extension_with_pref() {
let extension = ExtensionTestUtils.loadExtension({
manifest: {
manifest_version: 3,
permissions: ["declarativeNetRequest"],
},
background: async function () {
await browser.declarativeNetRequest.updateSessionRules({
addRules: [
{
id: 1,
condition: { urlFilter: "|http://example.com/downloadtest" },
action: { type: "block" },
},
],
});
browser.test.sendMessage("dnr_registered");
},
});
let otherExtension = ExtensionTestUtils.loadExtension({
manifest: {
permissions: ["downloads"],
},
background: async function () {
browser.downloads.onChanged.addListener(delta => {
browser.test.assertEq(delta.state.current, "interrupted");
browser.test.sendMessage("done");
});
await browser.downloads.download({
filename: "example_from_other_ext_with_pref.txt",
});
},
});
await extension.startup();
await extension.awaitMessage("dnr_registered");
await otherExtension.startup();
await otherExtension.awaitMessage("done");
await otherExtension.unload();
await extension.unload();
Assert.equal(downloadReqCount, 0, "Did not expect any download requests");
}
);