118 lines
4.5 KiB
TypeScript
118 lines
4.5 KiB
TypeScript
import { expect } from 'chai';
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import { nativeTheme, systemPreferences, BrowserWindow, ipcMain } from 'electron/main';
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import * as os from 'os';
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import * as path from 'path';
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import * as semver from 'semver';
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import { delay, ifdescribe } from './spec-helpers';
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import { emittedOnce } from './events-helpers';
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import { closeAllWindows } from './window-helpers';
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describe('nativeTheme module', () => {
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describe('nativeTheme.shouldUseDarkColors', () => {
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it('returns a boolean', () => {
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expect(nativeTheme.shouldUseDarkColors).to.be.a('boolean');
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});
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});
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describe('nativeTheme.themeSource', () => {
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afterEach(async () => {
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nativeTheme.themeSource = 'system';
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// Wait for any pending events to emit
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await delay(20);
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closeAllWindows();
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});
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it('is system by default', () => {
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expect(nativeTheme.themeSource).to.equal('system');
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});
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it('should override the value of shouldUseDarkColors', () => {
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nativeTheme.themeSource = 'dark';
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expect(nativeTheme.shouldUseDarkColors).to.equal(true);
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nativeTheme.themeSource = 'light';
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expect(nativeTheme.shouldUseDarkColors).to.equal(false);
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});
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it('should emit the "updated" event when it is set and the resulting "shouldUseDarkColors" value changes', async () => {
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let updatedEmitted = emittedOnce(nativeTheme, 'updated');
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nativeTheme.themeSource = 'dark';
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await updatedEmitted;
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updatedEmitted = emittedOnce(nativeTheme, 'updated');
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nativeTheme.themeSource = 'light';
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await updatedEmitted;
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});
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it('should not emit the "updated" event when it is set and the resulting "shouldUseDarkColors" value is the same', async () => {
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nativeTheme.themeSource = 'dark';
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// Wait a few ticks to allow an async events to flush
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await delay(20);
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let called = false;
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nativeTheme.once('updated', () => {
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called = true;
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});
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nativeTheme.themeSource = 'dark';
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// Wait a few ticks to allow an async events to flush
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await delay(20);
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expect(called).to.equal(false);
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});
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ifdescribe(process.platform === 'darwin' && semver.gte(os.release(), '18.0.0'))('on macOS 10.14', () => {
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it('should update appLevelAppearance when set', () => {
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nativeTheme.themeSource = 'dark';
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expect(systemPreferences.appLevelAppearance).to.equal('dark');
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nativeTheme.themeSource = 'light';
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expect(systemPreferences.appLevelAppearance).to.equal('light');
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});
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});
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const getPrefersColorSchemeIsDark = async (w: Electron.BrowserWindow) => {
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const isDark: boolean = await w.webContents.executeJavaScript(
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'matchMedia("(prefers-color-scheme: dark)").matches'
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);
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return isDark;
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};
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it('should override the result of prefers-color-scheme CSS media query', async () => {
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const w = new BrowserWindow({ show: false, webPreferences: { contextIsolation: false, nodeIntegration: true } });
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await w.loadFile(path.resolve(__dirname, 'fixtures', 'blank.html'));
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await w.webContents.executeJavaScript(`
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window.matchMedia('(prefers-color-scheme: dark)')
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.addEventListener('change', () => require('electron').ipcRenderer.send('theme-change'))
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`);
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const originalSystemIsDark = await getPrefersColorSchemeIsDark(w);
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let changePromise: Promise<any[]> = emittedOnce(ipcMain, 'theme-change');
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nativeTheme.themeSource = 'dark';
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if (!originalSystemIsDark) await changePromise;
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expect(await getPrefersColorSchemeIsDark(w)).to.equal(true);
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changePromise = emittedOnce(ipcMain, 'theme-change');
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nativeTheme.themeSource = 'light';
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await changePromise;
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expect(await getPrefersColorSchemeIsDark(w)).to.equal(false);
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changePromise = emittedOnce(ipcMain, 'theme-change');
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nativeTheme.themeSource = 'system';
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if (originalSystemIsDark) await changePromise;
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expect(await getPrefersColorSchemeIsDark(w)).to.equal(originalSystemIsDark);
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w.close();
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});
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});
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describe('nativeTheme.shouldUseInvertedColorScheme', () => {
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it('returns a boolean', () => {
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expect(nativeTheme.shouldUseInvertedColorScheme).to.be.a('boolean');
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});
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});
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describe('nativeTheme.shouldUseHighContrastColors', () => {
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it('returns a boolean', () => {
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expect(nativeTheme.shouldUseHighContrastColors).to.be.a('boolean');
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});
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});
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describe('nativeTheme.inForcedColorsMode', () => {
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it('returns a boolean', () => {
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expect(nativeTheme.inForcedColorsMode).to.be.a('boolean');
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});
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});
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});
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