gradio/js/app/test/file_component_events.spec.ts

import { test, expect, drag_and_drop_file } from "@gradio/tootils";

test("File component properly dispatches load event for the single file case.", async ({
	page
}) => {
	await page
		.getByRole("button", { name: "Drop File Here - or - Click to Upload" })
		.first()
		.click();
	const uploader = await page.locator("input[type=file]").first();
	await uploader.setInputFiles(["./test/files/cheetah1.jpg"]);

	await expect(page.getByLabel("# Load Upload Single File")).toHaveValue("1");

	const downloadPromise = page.waitForEvent("download");
	await page.getByRole("link").nth(0).click();
	const download = await downloadPromise;
	await expect(download.suggestedFilename()).toBe("cheetah1.jpg");
});

test("File component drag-and-drop uploads a file to the server correctly.", async ({
	page
}) => {
	const uploader = await page.locator("input[type=file]").nth(1);
	await uploader.setInputFiles(["./test/files/alphabet.txt"]);

	await expect(
		page.getByLabel("# Load Upload Multiple Files").first()
	).toHaveValue("1");
});

test("File component properly handles drag and drop of image and video files.", async ({
	page
}) => {
	const uploader = await page.locator("input[type=file]").last();
	await uploader.setInputFiles(["./test/files/cheetah1.jpg"]);

	// Check that the image file was uploaded
	await expect(
		page.getByLabel("# Load Upload Multiple Files Image/Video")
	).toHaveValue("1");

	await page.getByLabel("Clear").click();

	await uploader.setInputFiles(["./test/files/world.mp4"]);

	// Check that the video file was uploaded
	await expect(
		page.getByLabel("# Load Upload Multiple Files Image/Video")
	).toHaveValue("2");
});