4243847f4f
* Integrate compound design tokens The icons should not be included in this repo, and should live in the compound design token repo, but for simplicity sake at this phase of the integration they will be added here * lintfix * Use correct SpyInstance import * Using npm build of design tokens
127 lines
4.4 KiB
TypeScript
127 lines
4.4 KiB
TypeScript
/*
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Copyright 2022 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import { setTheme } from "../src/theme";
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describe("theme", () => {
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describe("setTheme", () => {
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let lightTheme: HTMLStyleElement;
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let darkTheme: HTMLStyleElement;
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let spyQuerySelectorAll: jest.MockInstance<NodeListOf<Element>, [selectors: string]>;
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let spyClassList: jest.SpyInstance<void, string[], any>;
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beforeEach(() => {
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const styles = [
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{
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dataset: {
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mxTheme: "light",
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},
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disabled: true,
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href: "urlLight",
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onload: (): void => void 0,
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} as unknown as HTMLStyleElement,
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{
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dataset: {
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mxTheme: "dark",
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},
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disabled: true,
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href: "urlDark",
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onload: (): void => void 0,
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} as unknown as HTMLStyleElement,
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];
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lightTheme = styles[0];
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darkTheme = styles[1];
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jest.spyOn(document.body, "style", "get").mockReturnValue([] as any);
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spyQuerySelectorAll = jest.spyOn(document, "querySelectorAll").mockReturnValue(styles as any);
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spyClassList = jest.spyOn(document.body.classList, "add");
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});
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afterEach(() => {
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jest.restoreAllMocks();
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jest.useRealTimers();
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});
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it("should switch theme on onload call", async () => {
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// When
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await new Promise((resolve) => {
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setTheme("light").then(resolve);
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lightTheme.onload!({} as Event);
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});
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// Then
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expect(spyQuerySelectorAll).toHaveBeenCalledWith("[data-mx-theme]");
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expect(spyQuerySelectorAll).toHaveBeenCalledTimes(1);
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expect(lightTheme.disabled).toBe(false);
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expect(darkTheme.disabled).toBe(true);
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expect(spyClassList).toHaveBeenCalledWith("cpd-theme-light");
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});
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it("should switch to dark", async () => {
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// When
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await new Promise((resolve) => {
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setTheme("dark").then(resolve);
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darkTheme.onload!({} as Event);
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});
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// Then
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expect(spyClassList).toHaveBeenCalledWith("cpd-theme-dark");
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});
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it("should reject promise on onerror call", () => {
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return expect(
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new Promise((resolve) => {
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setTheme("light").catch((e) => resolve(e));
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lightTheme.onerror!("call onerror");
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}),
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).resolves.toBe("call onerror");
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});
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it("should switch theme if CSS are preloaded", async () => {
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// When
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jest.spyOn(document, "styleSheets", "get").mockReturnValue([lightTheme] as any);
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await setTheme("light");
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// Then
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expect(lightTheme.disabled).toBe(false);
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expect(darkTheme.disabled).toBe(true);
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});
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it("should switch theme if CSS is loaded during pooling", async () => {
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// When
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jest.useFakeTimers();
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await new Promise((resolve) => {
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setTheme("light").then(resolve);
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jest.spyOn(document, "styleSheets", "get").mockReturnValue([lightTheme] as any);
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jest.advanceTimersByTime(200);
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});
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// Then
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expect(lightTheme.disabled).toBe(false);
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expect(darkTheme.disabled).toBe(true);
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});
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it("should reject promise if pooling maximum value is reached", () => {
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jest.useFakeTimers();
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return new Promise((resolve) => {
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setTheme("light").catch(resolve);
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jest.advanceTimersByTime(200 * 10);
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});
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});
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});
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});
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