Initial implementation

.prettierrc

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+{
+  "singleQuote": true
+}

README.md

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+# hermione-sauce
+
+Plugin for starting up Sauce Connect when running tests with [hermione](https://github.com/gemini-testing/hermione).
+
+## Installation
+
+`npm install hermione-sauce`
+
+## Configuration
+
+- Use env variables `SAUCE_USERNAME` and `SAUCE_ACCESS_KEY`

index.js

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+const Sauce = require('./lib/sauce');
+
+function expandCredentials(opts) {
+  if (!opts.username) {
+    opts.username = process.env.SAUCE_USERNAME;
+  }
+  if (!opts.accessKey) {
+    opts.accessKey = process.env.SAUCE_ACCESS_KEY;
+  }
+  if (!opts.username || !opts.accessKey) {
+    throw Error('Missing Sauce credentials. Did you forget to set SAUCE_USERNAME and/or SAUCE_ACCESS_KEY?');
+  }
+}
+
+module.exports = (hermione, opts) => {
+  expandCredentials(opts);
+
+  const sauce = Sauce.create(opts);
+
+  hermione.on(hermione.events.RUNNER_START, async() => {
+    const { gridUrl, tunnelIdentifier } = await sauce.start();
+
+    hermione.config.getBrowserIds().forEach(browserId => {
+      const browser = hermione.config.forBrowser(browserId);
+      browser.gridUrl = gridUrl;
+      browser.desiredCapabilities['tunnel-identifier'] = tunnelIdentifier;
+    });
+  });
+
+  hermione.on(hermione.events.RUNNER_END, () => {
+    sauce.stop();
+  });
+}

lib/sauce.js

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+const uuid = require('uuid');
+const { promisify } = require('util');
+const sauceConnectLauncher = require('sauce-connect-launcher');
+const launchSauceConnect = promisify(sauceConnectLauncher);
+
+module.exports = class Sauce {
+  static create(config) {
+    return new this(config);
+  }
+
+  constructor(config) {
+    this._config = config;
+    this._sauceConnectProcess = null;
+  }
+
+  async start() {
+    const { username, accessKey, verbose } = this._config;
+
+    const gridUrl = `http://${username}:${accessKey}@ondemand.saucelabs.com:80/wd/hub`;
+    const tunnelIdentifier = uuid.v4();
+
+    this._sauceConnectProcess = await launchSauceConnect({
+      username,
+      accessKey,
+      logger: console.log,
+      verbose,
+      tunnelIdentifier
+    });
+
+    return { gridUrl, tunnelIdentifier };
+  }
+
+  stop() {
+    return this._sauceConnectProcess.close();
+  }
+};

package.json

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+{
+  "name": "hermione-sauce",
+  "version": "0.0.0",
+  "author": "Serhii Kulykov",
+  "license": "MIT",
+  "description": "Plugin for starting up Sauce Connect when running tests with hermione",
+  "main": "index.js",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/web-padawan/hermione-sauce.git"
+  },
+  "files": [
+    "index.js",
+    "lib"
+  ],
+  "keywords": [
+    "hermione",
+    "hermione-plugin",
+    "saucelabs",
+    "sauce",
+    "connect",
+    "testing"
+  ],
+  "dependencies": {
+    "lodash": "^4.17.15",
+    "sauce-connect-launcher": "^1.3.1",
+    "uuid": "^2.0.1"
+  }
+}