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Test Info:
/* Any copyright is dedicated to the Public Domain.
// Test that screenshot command works properly
"use strict";
const TEST_URI =
"test/browser/test_jsterm_screenshot_command.html";
// on some machines, such as macOS, dpr is set to 2. This is expected behavior, however
// to keep tests consistant across OSs we are setting the dpr to 1
const dpr = "--dpr 1";
add_task(async function () {
const hud = await openNewTabAndConsole(TEST_URI);
info("wait for the iframes to be loaded");
await SpecialPowers.spawn(gBrowser.selectedBrowser, [], async () => {
await ContentTaskUtils.waitForCondition(
() => content.document.querySelectorAll(".loaded-iframe").length == 2
);
});
info("Test :screenshot to file");
const file = new FileUtils.File(
PathUtils.join(PathUtils.tempDir, "TestScreenshotFile.png")
);
const command = `:screenshot ${file.path} ${dpr}`;
await executeAndWaitForMessageByType(
hud,
command,
`Saved to ${file.path}`,
".console-api"
);
const fileExists = file.exists();
if (!fileExists) {
throw new Error(`${file.path} does not exist`);
}
ok(fileExists, `Screenshot was saved to ${file.path}`);
info("Create an image using the downloaded file as source");
const image = new Image();
image.src = PathUtils.toFileURI(file.path);
await once(image, "load");
// The page has the following structure
// +--------------------------------------------------+
// | Fixed header [50px tall, red] |
// +--------------------------------------------------+
// | Same-origin iframe [50px tall, rgb(255, 255, 0)] |
// +--------------------------------------------------+
// | Remote iframe [50px tall, rgb(0, 255, 255)] |
// +--------------------------------------------------+
// | Image |
// | 100px |
// | |
// +---------+
info("Check that the header is rendered in the screenshot");
checkImageColorAt({
image,
y: 0,
expectedColor: `rgb(255, 0, 0)`,
label:
"The top-left corner has the expected red color, matching the header element",
});
info("Check that the same-origin iframe is rendered in the screenshot");
checkImageColorAt({
image,
y: 60,
expectedColor: `rgb(255, 255, 0)`,
label: "The same-origin iframe is rendered properly in the screenshot",
});
info("Check that the remote iframe is rendered in the screenshot");
checkImageColorAt({
image,
y: 110,
expectedColor: `rgb(0, 255, 255)`,
label: "The remote iframe is rendered properly in the screenshot",
});
info("Test :screenshot to file default filename");
const message = await executeAndWaitForMessageByType(
hud,
`:screenshot ${dpr}`,
`Saved to`,
".console-api"
);
const date = new Date();
const monthString = (date.getMonth() + 1).toString().padStart(2, "0");
const dayString = date.getDate().toString().padStart(2, "0");
const expectedDateString = `${date.getFullYear()}-${monthString}-${dayString}`;
const { Downloads } = ChromeUtils.importESModule(
);
const screenshotDir = await Downloads.getPreferredDownloadsDirectory();
const { renderedDate, filePath } =
/Saved to (?<filePath>.*Screen Shot (?<renderedDate>\d{4}-\d{2}-\d{2}) at \d{2}.\d{2}.\d{2}\.png)/.exec(
message.node.textContent
).groups;
is(
renderedDate,
expectedDateString,
`Screenshot file has expected default name (full message: ${message.node.textContent})`
);
is(
filePath.startsWith(screenshotDir),
true,
`Screenshot file is saved in default directory`
);
info("Remove the downloaded screenshot files and cleanup downloads");
await IOUtils.remove(file.path);
await IOUtils.remove(filePath);
await resetDownloads();
});