se-runner

1.3.0 • Public • Published

se-runner

Selenium Test Runner

Installation

npm install se-runner --save-dev

NPM package

Why use SeRunner

SeRunner will allow you to configure multiple capabilities (browsers) to run your tests against. While there are other test runners that allow for this, where SeRunner differ from these is that it will also inject the Selenium WebDriver into each test suite giving you the ability to control the browser from within the tests. For this to work properly, each file containing tests must export a function used to inject a context and must call context.done() once all tests are completed, see example below.

Examples

SeRunner BrowserStack Example

For a full, ready to run, example using se-runner with grunt-se-runner and se-runner-framework-jasmine, see se-runner-browserstack-example.

Test

This is how a file containing tests should be structured to be used with SeRunner. This example uses Jasmine syntax for the test code.

module.exports = function (context) {
    describe('A test', function () {
        beforeAll(function () {
            // Setup
        });
        
        it('Should should check smth', function () {
            expect(1).toBe(1);
        });
 
        afterAll(function () {
            context.done(); // Signal SeRunner that this test suite is done
        });
    });
};

Executing SeRunner

If you are using Grunt you can use the grunt-se-runner task. Otherwise it can be run programmatically like this.

var seRunner = require('se-runner'),
        runner = seRunner.create({
            capabilities: [
                {
                    browserName: 'firefox',
                    'browserstack.user': '[UserName]',
                    'browserstack.key': '[AccessKey]'
                },
                {
                    browserName: 'chrome',
                    'browserstack.user': '[UserName]',
                    'browserstack.key': '[AccessKey]'
                }
            ],
            context: {
                url: 'http://google.com'
            },
            driverFactory: {
                create: function (capabilities) {
                    return new (require('selenium-webdriver')).Builder()
                                    .usingServer(this.selenium.hub)
                                    .withCapabilities(capabilities)
                                    .build();
                }
            },
            framework: 'jasmine',
            logLevel: 'INFO',
            jasmine: {
                dependencies: []
            },
            tests: [
                'test/*.js'
            ]
        });
 
runner.run(function (data) {
    // Done callback - data.success indicates success or failure
});

Api

Setup

var seRunner = require('se-runner'),
        runner = seRunner.create(options);

Global Methods

create

  • options - Object.

Creates a new instance of an SeRunner.

var runner = seRunner.create(options);

Instance Methods

run

  • done - Function. Receives one argument data described below.
    • data - Object.
      • error - Object or null. Will be populated if SeRunner encountered an unexpected exception.
      • reports - Array of SeRunner reports. One per process.
      • success - Boolean. Indicates success or failure.
runner.run(function (data) {
    // Execution complete
});

Options

capabilities

Type: Array Default value: []

A list of WebDriver capabilities to start on the Selenium hub.

concurrency

Type: Number Default value: 1

Number of concurrent processes that will be run.

context

Type: Object Default value: {}

Any values specified here will be added to the context that is passed into each test suite.

dependencies

Type: Array Default value: []

A list of dependencies to load before running the tests.

driverFactory.create

Type: Function Default value: See example above

Provides a way to change how the WebDriver is instantiated or switch to a different WebDriver implementation. This function will be passed into a separate process and as such can contain no references to a different scope than its own. You can however use the Node.Js require() function inside of the driverFactory.create function. It will also be bound to the configuration object so you will have access to any values in there through the this property.

framework

Type: String Default value: jasmine

Which test framework to use. The test runner will load the framework adaptor: se-runner-framework-[Framework]. All framework adaptors need to be installed separately.

logLevel

Type: String Default value: INFO

Possible values are: NONE, ERROR, WARNING, INFO & DEBUG.

tests

Type: Array Default value: []

A list of files or globbing patterns to find tests to be run.

timeout

Type: Number Default value: 60000

Default timeout in milliseconds. This value will also be passed to the framework adaptor (if not overridden in the framework specific configuration).

selenium.hub

Type: String Default value: http://hub.browserstack.com/wd/hub

Url to the Selenium Hub to connect to.

[framework]

Type: Object Default value: {}

Any values given here will be passed into the framework adaptor.

[framework].consoleReporter

Type: Boolean Default value: true

Whether the framework adaptor should report to the console as things are happening or not.

[framework].dependencies

Type: Array Default value: []

A list of dependencies for the framework adaptor to load before running the tests.

[framework].timeout

Type: Number Default value: 60000

Overrides the default timeout for the framework adaptor only.

Contributing

In lieu of a formal styleguide, take care to maintain the existing coding style. Add unit tests for any new or changed functionality.

Release History

  • 2017-04-13 v1.3.0 Added total execution time to run result.
  • 2017-04-11 v1.2.3 Fixed scoping issue - copy configuration values into worker instead of passing reference.
  • 2017-04-10 v1.2.2 Added link in README to se-runner-browserstack-example.
  • 2017-04-10 v1.2.1 Handle realMobile capability.
  • 2016-12-09 v1.2.0 Compile report of each process and communicate result back to initiator.
  • 2016-08-12 v1.1.0 Adding concurrency limitation.
  • 2016-05-10 v1.0.0 Initial version.

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