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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */
import { copyToTheClipboard } from "../clipboard";
let clipboardTestCopyString, expectedCopyEvent;
const addEventListener = jest.fn();
const execCommand = jest.fn();
const removeEventListener = jest.fn();
describe("copyToTheClipboard()", () => {
beforeEach(() => {
expectedCopyEvent = "copy";
clipboardTestCopyString = "content intended for clipboard";
global.document.addEventListener = addEventListener;
global.document.execCommand = execCommand;
global.document.removeEventListener = removeEventListener;
});
it("listens for 'copy' event", () => {
copyToTheClipboard(clipboardTestCopyString);
expect(document.addEventListener).toHaveBeenCalledWith(
expectedCopyEvent,
expect.anything()
);
});
it("calls document.execCommand() with 'copy' command", () => {
copyToTheClipboard(clipboardTestCopyString);
expect(execCommand).toHaveBeenCalledWith(expectedCopyEvent, false, null);
});
it("removes event listener for 'copy' event", () => {
copyToTheClipboard(clipboardTestCopyString);
expect(document.removeEventListener).toHaveBeenCalledWith(
expectedCopyEvent,
expect.anything()
);
});
});
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