MEDIUM - Ho to Test Electron Apps - 03

base.test.ts

const windowState = await electronApp.evaluate(async ({ BrowserWindow }) => {
  const mainWindow = BrowserWindow.getAllWindows()[0];

  const getState = () => ({
    isVisible: mainWindow.isVisible(),
    isDevToolsOpened: mainWindow.webContents.isDevToolsOpened(),
    isCrashed: mainWindow.webContents.isCrashed(),
  });

  return new Promise((resolve) => {
    if (mainWindow.isVisible()) {
      resolve(getState());
    } else {
      mainWindow.once("ready-to-show", () =>
        setTimeout(() => resolve(getState()), 0)
      );
    }
  });
});