dbx/packages/app-tests/clipboard.test.ts

63 lines
1.5 KiB
TypeScript

import { strict as assert } from "node:assert";
import test from "node:test";
import { copyToClipboard, readTextFromClipboard } from "../../apps/desktop/src/lib/clipboard.ts";
test("copyToClipboard falls back when navigator clipboard is unavailable", async () => {
const appended: unknown[] = [];
const removed: unknown[] = [];
const selected: string[] = [];
const commands: string[] = [];
const textarea = {
value: "",
style: {} as Record<string, string>,
setAttribute(name: string, value: string) {
this.style[name] = value;
},
select() {
selected.push(this.value);
},
};
const env = {
navigator: {},
document: {
body: {
appendChild(node: unknown) {
appended.push(node);
},
removeChild(node: unknown) {
removed.push(node);
},
},
createElement(tagName: string) {
assert.equal(tagName, "textarea");
return textarea;
},
execCommand(command: string) {
commands.push(command);
return true;
},
},
};
await copyToClipboard("orders\t42", env);
assert.deepEqual(selected, ["orders\t42"]);
assert.deepEqual(commands, ["copy"]);
assert.equal(appended[0], textarea);
assert.equal(removed[0], textarea);
});
test("readTextFromClipboard uses navigator clipboard when available", async () => {
const text = await readTextFromClipboard({
navigator: {
clipboard: {
readText: async () => "orders\t42",
},
},
});
assert.equal(text, "orders\t42");
});