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2026-07-13 12:25:07 +08:00

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TypeScript

// ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
// ┃ ██████ ██████ ██████ █ █ █ █ █ █▄ ▀███ █ ┃
// ┃ ▄▄▄▄▄█ █▄▄▄▄▄ ▄▄▄▄▄█ ▀▀▀▀▀█▀▀▀▀▀ █ ▀▀▀▀▀█ ████████▌▐███ ███▄ ▀█ █ ▀▀▀▀▀ ┃
// ┃ █▀▀▀▀▀ █▀▀▀▀▀ █▀██▀▀ ▄▄▄▄▄ █ ▄▄▄▄▄█ ▄▄▄▄▄█ ████████▌▐███ █████▄ █ ▄▄▄▄▄ ┃
// ┃ █ ██████ █ ▀█▄ █ ██████ █ ███▌▐███ ███████▄ █ ┃
// ┣━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┫
// ┃ Copyright (c) 2017, the Perspective Authors. ┃
// ┃ ╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌ ┃
// ┃ This file is part of the Perspective library, distributed under the terms ┃
// ┃ of the [Apache License 2.0](https://www.apache.org/licenses/LICENSE-2.0). ┃
// ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛
import { test, expect } from "@perspective-dev/test";
test.beforeEach(async ({ page }) => {
await page.goto("/rust/perspective-viewer/test/html/superstore.html");
await page.evaluate(async () => {
while (!window["__TEST_PERSPECTIVE_READY__"]) {
await new Promise((x) => setTimeout(x, 10));
}
});
await page.evaluate(async () => {
const viewer = document.querySelector("perspective-viewer")!;
await viewer.restore({ plugin: "Debug" });
// Explicitly register both themes so the memoized theme cache contains
// "Pro Dark" even though superstore.html only loads pro.css.
await viewer.resetThemes(["Pro Light", "Pro Dark"]);
});
});
test.describe("Theme", () => {
test("restore sets the theme attribute on the host element", async ({
page,
}) => {
await page.evaluate(async () => {
const viewer = document.querySelector("perspective-viewer")!;
await viewer.getTable();
await viewer.restore({ theme: "Pro Dark" });
});
const themeAttr = await page.evaluate(() =>
document.querySelector("perspective-viewer")!.getAttribute("theme"),
);
expect(themeAttr).toBe("Pro Dark");
});
test("save returns the correct theme after restore", async ({ page }) => {
const saved = await page.evaluate(async () => {
const viewer = document.querySelector("perspective-viewer")!;
await viewer.getTable();
await viewer.restore({ theme: "Pro Dark" });
return await viewer.save();
});
expect(saved.theme).toBe("Pro Dark");
});
test("theme is preserved across settings panel open/close toggle", async ({
page,
}) => {
// Set theme, then toggle settings open and closed.
// This exercises the UpdateSettingsOpen path which must NOT wipe
// available_themes from the PresentationProps snapshot.
const saved = await page.evaluate(async () => {
const viewer = document.querySelector("perspective-viewer")!;
await viewer.getTable();
await viewer.restore({ theme: "Pro Dark" });
await viewer.restore({ settings: true });
await viewer.restore({ settings: false });
return await viewer.save();
});
expect(saved.theme).toBe("Pro Dark");
expect(saved.settings).toBe(false);
});
test("switching theme updates the theme attribute", async ({ page }) => {
const themeAttr = await page.evaluate(async () => {
const viewer = document.querySelector("perspective-viewer")!;
await viewer.getTable();
await viewer.restore({ theme: "Pro Dark" });
await viewer.restore({ theme: "Pro Light" });
return viewer.getAttribute("theme");
});
expect(themeAttr).toBe("Pro Light");
});
});