wdio.conf.android.js

const path = require('path');
const {exec} = require('child_process');
const os = require('os');

exports.config = {

    specs: ['./specs/critical.js'],

    capabilities: [
        {
            platformName: "Android",
            platformVersion: "10",
            deviceName: "Pixel 2 API 29",
            app: path.resolve('app', 'app-staging.apk'),
            automationName: "UiAutomator2"
        },
    ],

    host: '127.0.0.1',
    port: '4723',

    maxInstances: 1,

    services: ['appium'],
    appium: {
        waitStartTime: 8000,
        command: 'appium',
        logFileName: 'appium.log',
        args: {
            address: '127.0.0.1',
            port: 4273,
            commandTimeout: 7200,
            sessionOverride: true,
            debugLogSpacing: true
        }
    },//
    // By default WebdriverIO commands are executed in a synchronous way using
    // the wdio-sync package. If you still want to run your tests in an async way
    // e.g. using promises you can set the sync option to false.
    sync: false,
    //
    // Level of logging verbosity: silent | verbose | command | data | result | error
    logLevel: 'silent',
    //
    // Enables colors for log output.
    coloredLogs: true,
    //
    // Warns when a deprecated command is used
    deprecationWarnings: true,
    //
    // If you only want to run your tests until a specific amount of tests have failed use
    // bail (default is 0 - don't bail, run all tests).
    bail: 0,
    //
    // Saves a screenshot to a given path if a command fails.
    screenshotPath: './errorShots/',
    //
    // Set a base URL in order to shorten url command calls. If your `url` parameter starts
    // with `/`, the base url gets prepended, not including the path portion of your baseUrl.
    // If your `url` parameter starts without a scheme or `/` (like `some/path`), the base url
    // gets prepended directly.
    baseUrl: 'http://localhost',
    //
    // Default timeout for all waitFor* commands.
    waitforTimeout: 30000,
    //
    // Default timeout in milliseconds for request
    // if Selenium Grid doesn't send response
    connectionRetryTimeout: 90000,
    //
    // Default request retries count
    connectionRetryCount: 3,
    //
    //
    // Test runner services
    // Services take over a specific job you don't want to take care of. They enhance
    // your test setup with almost no effort. Unlike plugins, they don't add new
    // commands. Instead, they hook themselves up into the test process.


    // Framework you want to run your specs with.
    // The following are supported: Mocha, Jasmine, and Cucumber
    // see also: http://webdriver.io/guide/testrunner/frameworks.html
    //
    // Make sure you have the wdio adapter package for the specific framework installed
    // before running any tests.
    framework: 'mocha',
    //
    // Test reporter for stdout.
    // The only one supported by default is 'dot'
    // see also: http://webdriver.io/guide/reporters/dot.html
    reporters: ['spec'],
    //
    // Options to be passed to Mocha.
    // See the full list at http://mochajs.org/
    mochaOpts: {
        ui: 'bdd',
        timeout: 45000
    },
    //
    // =====
    // Hooks
    // =====
    // WebdriverIO provides several hooks you can use to interfere with the test process in order to enhance
    // it and to build services around it. You can either apply a single function or an array of
    // methods to it. If one of them returns with a promise, WebdriverIO will wait until that promise got
    // resolved to continue.
    /**
     * Gets executed once before all workers get launched.
     * @param {Object} config wdio configuration object
     * @param {Array.<Object>} capabilities list of capabilities details
     */
    onPrepare: function (config, capabilities) {
        const runCommand = os.version().includes('Darwin') ? `/Users/${os.userInfo().username}/Library/Android/sdk/emulator/emulator` : 'emulator';
        const device = ' -avd Pixel_2_API_29';
        const child = exec(runCommand + device, (error, stdout, stderr) => {
            if (error) {
                return console.log(`error: ${error.message}`);
            }
            if (stderr) {
                return console.log(`stderr: ${stderr}`);
            }
            console.log(`stdout: ${stdout}`);
        });
    },
    /**
     * Gets executed just before initialising the webdriver session and test framework. It allows you
     * to manipulate configurations depending on the capability or spec.
     * @param {Object} config wdio configuration object
     * @param {Array.<Object>} capabilities list of capabilities details
     * @param {Array.<String>} specs List of spec file paths that are to be run
     */
// beforeSession: function (config, capabilities, specs) {
// },
    /**
     * Gets executed before test execution begins. At this point you can access to all global
     * variables like `browser`. It is the perfect place to define custom commands.
     * @param {Array.<Object>} capabilities list of capabilities details
     * @param {Array.<String>} specs List of spec file paths that are to be run
     */
// before: function (capabilities, specs) {
// },
    /**
     * Runs before a WebdriverIO command gets executed.
     * @param {String} commandName hook command name
     * @param {Array} args arguments that command would receive
     */
// beforeCommand: function (commandName, args) {
// },

    /**
     * Hook that gets executed before the suite starts
     * @param {Object} suite suite details
     */
// beforeSuite: function (suite) {
// },
    /**
     * Function to be executed before a test (in Mocha/Jasmine) or a step (in Cucumber) starts.
     * @param {Object} test test details
     */
// beforeTest: function (test) {
// },
    /**
     * Hook that gets executed _before_ a hook within the suite starts (e.g. runs before calling
     * beforeEach in Mocha)
     */
// beforeHook: function () {
// },
    /**
     * Hook that gets executed _after_ a hook within the suite ends (e.g. runs after calling
     * afterEach in Mocha)
     */
// afterHook: function () {
// },
    /**
     * Function to be executed after a test (in Mocha/Jasmine) or a step (in Cucumber) ends.
     * @param {Object} test test details
     */
// afterTest: function (test) {
// },
    /**
     * Hook that gets executed after the suite has ended
     * @param {Object} suite suite details
     */
// afterSuite: function (suite) {
// },

    /**
     * Runs after a WebdriverIO command gets executed
     * @param {String} commandName hook command name
     * @param {Array} args arguments that command would receive
     * @param {Number} result 0 - command success, 1 - command error
     * @param {Object} error error object if any
     */
// afterCommand: function (commandName, args, result, error) {
// },
    /**
     * Gets executed after all tests are done. You still have access to all global variables from
     * the test.
     * @param {Number} result 0 - test pass, 1 - test fail
     * @param {Array.<Object>} capabilities list of capabilities details
     * @param {Array.<String>} specs List of spec file paths that ran
     */
// after: function (result, capabilities, specs) {
// },
    /**
     * Gets executed right after terminating the webdriver session.
     * @param {Object} config wdio configuration object
     * @param {Array.<Object>} capabilities list of capabilities details
     * @param {Array.<String>} specs List of spec file paths that ran
     */
// afterSession: function (config, capabilities, specs) {
// },
    /**
     * Gets executed after all workers got shut down and the process is about to exit.
     * @param {Object} exitCode 0 - success, 1 - fail
     * @param {Object} config wdio configuration object
     * @param {Array.<Object>} capabilities list of capabilities details
     */
// onComplete: function(exitCode, config, capabilities) {
// }
}