firefox-main/devtools/client/framework/browser-toolbox/test/browser_browser_toolbox_take_screenshot.js (file symbol)

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Test Info: Warnings

/* Any copyright is dedicated to the Public Domain.
// There are shutdown issues for which multiple rejections are left uncaught.
// See bug 1018184 for resolving these issues.
const { PromiseTestUtils } = ChromeUtils.importESModule(
);
PromiseTestUtils.allowMatchingRejectionsGlobally(/File closed/);
Services.scriptloader.loadSubScript(
this
);
// Test that the Browser Toolbox can take screenshots.
add_task(async function () {
// Select the options panel, which is faster than other panels, since we
// are testing a toolbox toolbar button.
await pushPref("devtools.browsertoolbox.panel", "options");
// Enable the screenshot button
await pushPref("devtools.command-button-screenshot.enabled", true);
await addTab(`data:text/html,<div id="test-div">SCREENSHOT TOOL TEST</div>`);
const ToolboxTask = await initBrowserToolboxTask();
await ToolboxTask.importFunctions({
getNodeFront,
getNodeFrontInFrames,
selectNode,
// selectNodeInFrames depends on selectNode, getNodeFront, getNodeFrontInFrames.
selectNodeInFrames,
waitUntilDownload,
});
// Necessary for waitUntilDownload
await ToolboxTask.evaluateExpression("let allDownloads = [];");
const hasFilePath = await ToolboxTask.spawn(null, async () => {
/* global gToolbox */
const onScreenshotDownloaded = waitUntilDownload();
gToolbox.doc.querySelector("#command-button-screenshot").click();
const filePath = await onScreenshotDownloaded;
return !!filePath;
});
ok(hasFilePath, "Browser toolbox take screenshot command succeeded");
await ToolboxTask.destroy();
});