test: smoke test on build react-ui package and open page with controls

packages/tests/.babelrc.js

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+module.exports = {
+  presets: [[
+    '@babel/preset-env', { loose: true, modules: 'commonjs' }],
+    '@babel/typescript',
+  ],
+  plugins: [['@babel/plugin-transform-runtime', { version: '7.8.3' }]],
+};

packages/tests/package.json

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+{
+  "name": "tests",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "cross-env BABEL_ENV=development jest"
+  },
+  "author": "",
+  "license": "ISC",
+  "devDependencies": {
+    "@babel/preset-typescript": "^7.8.3",
+    "@types/puppeteer": "^2.0.0",
+    "@types/wait-on": "^4.0.0",
+    "cross-env": "^7.0.0",
+    "jest": "^25.1.0",
+    "jest-teamcity-reporter": "^0.9.0",
+    "puppeteer": "^2.1.1",
+    "wait-on": "^4.0.0"
+  },
+  "dependencies": {},
+  "jest": {
+    "testResultsProcessor": "jest-teamcity-reporter"
+  }
+}

packages/tests/smoke.test.ts

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+import path from 'path';
+import fs from 'fs';
+import os from 'os'
+import { ChildProcess, spawn, execSync } from 'child_process';
+
+import puppeteer from 'puppeteer';
+import waitOn from 'wait-on';
+
+describe('Smoke', () => {
+  let buildServerProcess: ChildProcess | undefined;
+  const globalConsoleError = console.error;
+  const runOnTeamcity = 'TEAMCITY_VERSION' in process.env;
+
+  const appName = 'test-app-temp';
+  const resourcesDirectory = path.join(__dirname, 'smokeResources');
+  const appDirectory = path.join(resourcesDirectory, appName);
+
+  const reactUIPackagePath = runOnTeamcity
+    ? getPackagePathOnTeamcity()
+    : path.join(resourcesDirectory, "react-ui.tgz");
+
+  beforeEach(() => {
+    console.error = jest.fn(globalConsoleError);
+
+    clearApplicationFolder(appDirectory);
+    if (!runOnTeamcity) {
+      buildReactUI(reactUIPackagePath);
+    }
+  }, 120000);
+
+  afterEach(() => {
+    console.error = globalConsoleError;
+    if (buildServerProcess && !buildServerProcess.killed) {
+      buildServerProcess.kill();
+    }
+  });
+
+  it('Build and render all controls', async () => {
+    initApplication(resourcesDirectory, appDirectory, reactUIPackagePath);
+    buildServerProcess = runDevServer(appDirectory);
+    await openPageOnBrowser(resourcesDirectory);
+
+    expect(console.error).not.toBeCalled();
+  }, 120000);
+});
+
+function buildReactUI(reactUIPackagePath: string) {
+  const reactUIPath = path.join(__dirname, "../react-ui");
+  const buildPath = path.join(reactUIPath, "build");
+
+  execSync(
+    `yarn prerelease`,
+    { cwd: reactUIPath, stdio: 'inherit' }
+  );
+
+  execSync(
+    `yarn pack --filename ${reactUIPackagePath}`,
+    { cwd: buildPath, stdio: 'inherit' }
+  );
+}
+
+function clearApplicationFolder(appDirectory: string) {
+  if (fs.existsSync(appDirectory)) {
+    execSync(`git clean ${appDirectory} -fdxq`, { stdio: 'inherit' });
+  }
+}
+
+function initApplication(resourcesDirectory: string, appDirectory: string, reactUIPackagePath: string) {
+  const craTemplateDirectory = path.join(resourcesDirectory, 'cra-template-react-ui');
+
+  execSync(
+    `npx create-react-app@next ${appDirectory} --template file:${craTemplateDirectory}`,
+    { stdio: 'inherit' }
+  );
+
+  execSync(
+    `yarn install`,
+    { cwd: appDirectory, stdio: 'inherit' }
+  );
+
+  // yarn save package in cache
+  execSync(
+    `npm install ${reactUIPackagePath}`,
+    { cwd: appDirectory, stdio: 'inherit' }
+  );
+}
+
+function runDevServer(appFolder: string): ChildProcess {
+   return spawn(
+    "node",
+    ["node_modules/react-scripts/bin/react-scripts.js", "start"],
+    { env: {
+        ...process.env,
+        BROWSER: "none",
+        SKIP_PREFLIGHT_CHECK: "true"
+      },
+      cwd: appFolder,
+      stdio: 'inherit',
+    });
+}
+
+async function openPageOnBrowser(resourceDirectory: string) {
+  const browser = await puppeteer.launch();
+  const page = await browser.newPage();
+
+  await page.setViewport({
+    width: 1920,
+    height: 1024,
+  });
+
+  page.on('console', msg => {
+    if (msg.type() === "error") {
+      console.error(`BROWSER: ${msg.text()}`);
+    }
+  });
+
+  page.on('error', msg => {
+    console.error(`BROWSER: name: ${msg.name}\nmessage: ${msg.message}\nstack: ${msg.stack}`);
+  });
+
+  page.on("pageerror", msg => {
+    console.error(`BROWSER: name: ${msg.name}\nmessage: ${msg.message}\nstack: ${msg.stack}`);
+  });
+
+  const applicationHost = `http://${os.hostname()}:3000/`;
+  await waitOn({ resources: [applicationHost], timeout: 30000 });
+  await page.goto(applicationHost);
+  await page.screenshot({ path: path.join(resourceDirectory, 'reactUIcontrols.png') });
+
+  if (await page.$(`#react-ui-page`) === null) {
+    console.error(`BROWSER: Failed to load controls page.`);
+  }
+
+  await browser.close();
+}
+
+function getPackagePathOnTeamcity(): string {
+  const repositoryPath = path.join(__dirname, '..', '..');
+  const files = fs.readdirSync(repositoryPath);
+  const packageName = files.find(file => file.startsWith('skbkontur-react-ui-') && file.endsWith(".tgz"));
+
+  if (packageName) {
+    return path.join(repositoryPath, packageName);
+  }
+  throw new Error(`react-ui tgz package not found into "${repositoryPath}" directory`);
+}

packages/tests/smokeResources/.gitignore

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+test-app-temp
+reactUIcontrols.png
+react-ui.tgz

packages/tests/smokeResources/cra-template-react-ui/README.md

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+# cra-template-typescript
+
+This is the official TypeScript template for [Create React App](https://github.com/facebook/create-react-app).
+
+To use this template, add `--template typescript` when creating a new app.
+
+For example:
+
+```sh
+npx create-react-app my-app --template typescript
+
+# or
+
+yarn create react-app my-app --template typescript
+```
+
+For more information, please refer to:
+
+- [Getting Started](https://create-react-app.dev/docs/getting-started) – How to create a new app.
+- [User Guide](https://create-react-app.dev) – How to develop apps bootstrapped with Create React App.

packages/tests/smokeResources/cra-template-react-ui/package.json

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+{
+  "name": "cra-template-react-ui",
+  "version": "0.0.1",
+  "keywords": [
+    "react",
+    "create-react-app",
+    "template",
+    "typescript"
+  ],
+  "description": "The base TypeScript template for Create React App.",
+  "main": "template.json",
+  "license": "MIT",
+  "engines": {
+    "node": ">=10.0"
+  },
+  "files": [
+    "template",
+    "template.json"
+  ]
+}

packages/tests/smokeResources/cra-template-react-ui/template.json

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+{
+  "package": {
+    "dependencies": {
+      "@testing-library/react": "^9.3.2",
+      "@testing-library/jest-dom": "^4.2.4",
+      "@testing-library/user-event": "^7.1.2",
+      "@types/node": "^12.0.0",
+      "@types/react": "^16.9.0",
+      "@types/react-dom": "^16.9.0",
+      "@types/jest": "^24.0.0",
+      "typescript": "~3.7.4",
+      "@skbkontur/react-icons": "^3.2.0",
+      "stylis-plugin-extra-scope": "^0.2.0"
+    }
+  }
+}

packages/tests/smokeResources/cra-template-react-ui/template/README.md

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+This project was bootstrapped with [Create React App](https://github.com/facebook/create-react-app).
+
+## Available Scripts
+
+In the project directory, you can run:
+
+### `npm start`
+
+Runs the app in the development mode.<br />
+Open [http://localhost:3000](http://localhost:3000) to view it in the browser.
+
+The page will reload if you make edits.<br />
+You will also see any lint errors in the console.
+
+### `npm test`
+
+Launches the test runner in the interactive watch mode.<br />
+See the section about [running tests](https://facebook.github.io/create-react-app/docs/running-tests) for more information.
+
+### `npm run build`
+
+Builds the app for production to the `build` folder.<br />
+It correctly bundles React in production mode and optimizes the build for the best performance.
+
+The build is minified and the filenames include the hashes.<br />
+Your app is ready to be deployed!
+
+See the section about [deployment](https://facebook.github.io/create-react-app/docs/deployment) for more information.
+
+### `npm run eject`
+
+**Note: this is a one-way operation. Once you `eject`, you can’t go back!**
+
+If you aren’t satisfied with the build tool and configuration choices, you can `eject` at any time. This command will remove the single build dependency from your project.
+
+Instead, it will copy all the configuration files and the transitive dependencies (Webpack, Babel, ESLint, etc) right into your project so you have full control over them. All of the commands except `eject` will still work, but they will point to the copied scripts so you can tweak them. At this point you’re on your own.
+
+You don’t have to ever use `eject`. The curated feature set is suitable for small and middle deployments, and you shouldn’t feel obligated to use this feature. However we understand that this tool wouldn’t be useful if you couldn’t customize it when you are ready for it.
+
+## Learn More
+
+You can learn more in the [Create React App documentation](https://facebook.github.io/create-react-app/docs/getting-started).
+
+To learn React, check out the [React documentation](https://reactjs.org/).

packages/tests/smokeResources/cra-template-react-ui/template/gitignore

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+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+/.pnp
+.pnp.js
+
+# testing
+/coverage
+
+# production
+/build
+
+# misc
+.DS_Store
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*

packages/tests/smokeResources/cra-template-react-ui/template/public/index.html

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+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <link rel="icon" href="%PUBLIC_URL%/favicon.ico" />
+    <meta name="description" content="Smoke tests for React UI" />
+    <title>React UI</title>
+  </head>
+  <body>
+    <noscript>You need to enable JavaScript to run this app.</noscript>
+    <div id="react-ui-page"></div>
+    <div id="root"></div>
+  </body>
+</html>