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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
const { DownloadIntegration } = ChromeUtils.importESModule(
);
const HandlerService = Cc[
"@mozilla.org/uriloader/handler-service;1"
].getService(Ci.nsIHandlerService);
const MIMEService = Cc["@mozilla.org/mime;1"].getService(Ci.nsIMIMEService);
const TEST_PATH = getRootDirectory(gTestPath).replace(
);
const {
saveToDisk,
alwaysAsk,
handleInternally,
useHelperApp,
useSystemDefault,
} = Ci.nsIHandlerInfo;
const testDir = createTemporarySaveDirectory();
const MockFilePicker = SpecialPowers.MockFilePicker;
MockFilePicker.init(window.browsingContext);
Services.scriptloader.loadSubScript(
this
);
async function testSaveAsDownload() {
await BrowserTestUtils.withNewTab(
`data:text/html,<a id="test-link" href="${TEST_PATH}/file_txt_attachment_test.txt">Test TXT Link</a>`,
async browser => {
let menu = document.getElementById("contentAreaContextMenu");
ok(menu, "Context menu exists on the page");
let popupShown = BrowserTestUtils.waitForEvent(menu, "popupshown");
BrowserTestUtils.synthesizeMouseAtCenter(
"a#test-link",
{ type: "contextmenu", button: 2 },
browser
);
await popupShown;
info("Context menu popup was successfully displayed");
let filePickerPromise = setupFilePicker();
info("Clicking Save As... context menu");
let menuitem = menu.querySelector("#context-savelink");
menu.activateItem(menuitem);
await filePickerPromise;
}
);
}
async function setupFilePicker() {
return new Promise(resolve => {
MockFilePicker.returnValue = MockFilePicker.returnOK;
MockFilePicker.displayDirectory = testDir;
MockFilePicker.showCallback = fp => {
ok(true, "filepicker should be visible");
Assert.strictEqual(
fp.defaultExtension,
"txt",
"Default extension in filepicker should be txt"
);
Assert.strictEqual(
fp.defaultString,
"file_txt_attachment_test.txt",
"Default string name in filepicker should have the correct file name"
);
const destFile = testDir.clone();
destFile.append(fp.defaultString);
MockFilePicker.setFiles([destFile]);
mockTransferCallback = success => {
ok(success, "File should have been downloaded successfully");
ok(destFile.exists(), "File should exist in test directory");
resolve(destFile);
};
};
});
}
add_setup(async function () {
await SpecialPowers.pushPrefEnv({
set: [
["browser.download.always_ask_before_handling_new_types", false],
["browser.download.useDownloadDir", false],
],
});
mockTransferRegisterer.register();
let oldLaunchFile = DownloadIntegration.launchFile;
DownloadIntegration.launchFile = () => {
ok(false, "Download should not have launched");
};
registerCleanupFunction(async () => {
DownloadIntegration.launchFile = oldLaunchFile;
mockTransferRegisterer.unregister();
// We only want to run MockFilerPicker.cleanup after the entire test is run.
// Otherwise, we cannot use MockFilePicker for each preferredAction.
MockFilePicker.cleanup();
testDir.remove(true);
ok(!testDir.exists(), "Test directory should be removed");
});
});
/**
* Tests that selecting the context menu item `Save Link As…` on a txt file link
* opens the file picker and only downloads the file without any launches when
* browser.download.always_ask_before_handling_new_types is disabled.
*/
add_task(async function test_txt_save_as_link() {
let mimeInfo;
for (let preferredAction of [
saveToDisk,
alwaysAsk,
handleInternally,
useHelperApp,
useSystemDefault,
]) {
mimeInfo = MIMEService.getFromTypeAndExtension("text/plain", "txt");
mimeInfo.alwaysAskBeforeHandling = preferredAction === alwaysAsk;
mimeInfo.preferredAction = preferredAction;
HandlerService.store(mimeInfo);
info(
`Setting up filepicker with preferredAction ${preferredAction} and ask = ${mimeInfo.alwaysAskBeforeHandling}`
);
await testSaveAsDownload(mimeInfo);
}
});
/**
* Tests that selecting the context menu item `Save Link As…` on a txt file link
* opens the file picker and only downloads the file without any launches when
* browser.download.always_ask_before_handling_new_types is disabled. For this
* particular test, set alwaysAskBeforeHandling to true.
*/
add_task(async function test_txt_save_as_link_alwaysAskBeforeHandling() {
let mimeInfo;
for (let preferredAction of [
saveToDisk,
alwaysAsk,
handleInternally,
useHelperApp,
useSystemDefault,
]) {
mimeInfo = MIMEService.getFromTypeAndExtension("text/plain", "txt");
mimeInfo.alwaysAskBeforeHandling = true;
mimeInfo.preferredAction = preferredAction;
HandlerService.store(mimeInfo);
info(
`Setting up filepicker with preferredAction ${preferredAction} and ask = ${mimeInfo.alwaysAskBeforeHandling}`
);
await testSaveAsDownload(mimeInfo);
}
});