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Selenium with JUnit 4

Your guide to running tests using JUnit 4 on BrowserStack’s Selenium Grid of 3000+ real devices and desktop browsers.

Run tests on 3000+ real devices and desktop browsers

Prerequisites

  • You need to have BrowserStack Username and Access key, which you can find in your account profile. If you have not created an account yet, you can sign up for a Free Trial.
  • JUnit v4, Java v8+, Selenium v2.5+ (JSON Wire / W3C).
  • If you are using CLI for running tests, ensure that Maven is installed on your machine, its environment variables are set, and its bin is added to system path, $PATH.

Run a sample build

Run a sample JUnit 4 test build using your preferred method on BrowserStack:

Get Sample Project

Get our sample project using one of the following options:

Option 1: Download Project

Download ZIP

Option 2: Via Git

Clone our sample Git repository using the code snippet:

Copy icon Copy snippet

Option 3: Via Maven Archetype

Maven archetype lets you create a new sample project with your BrowserStack credentials pre-configured.

The following command creates a project named as junit4-browserstack with sample test scripts.

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Configure your browserstack.yml config file

The browerstack.yml file holds all the required capabilities to run your tests on BrowserStack.

Set access credentials

Set userName and accessKey properties in the browserstack.yml to authenticate your tests on BrowserStack.

Select desktop browsers or real devices from a list of 3000+ available combinations:

Parallel thread #1
Parallel thread #2
Parallel thread #3

Update the browserstack.yml config file

Copy and replace the platforms object in the browserstack.yml file available in the root directory of this project.

browserstack.yml
Copy icon Copy snippet

Run sample tests on BrowserStack!

Run the following commands from the junit-4 directory to install dependencies and run a sample test build on BrowserStack:

Copy icon Copy snippet

Get Sample Project

Download project

Download ZIP

After downloading the sample project, unzip it in the desired location.

Import the downloaded project

Click File → Import. Expand General, select Projects from Folder or Archive, and click Next. Then, navigate to the unzipped downloaded project, select the junit-4 directory, and click Open. Eclipse IDE Configuration

Configure your browserstack.yml config file

Configure a few parameters in the sample repo to start testing.

Set access credentials

Set the userName and accessKey capabilities in the browserstack.yml to authenticate your tests on BrowserStack.

Select desktop browsers or real devices from a list of 3000+ available combinations:

Parallel thread #1
Parallel thread #2
Parallel thread #3

Update the browserstack.yml config file

Copy and replace the platforms object in the browserstack.yml file available in the root directory of this project.

browserstack.yml
Copy icon Copy snippet

Run sample tests on BrowserStack

Right-click your pom.xml file and click Run AsMaven Test:
Eclipse IDE Configuration

Facing issues when running JUnit test?

If the test doesn’t run in parallel on multiple browsers/devices, or the tests don’t run as per capabilities specified in the browserstack.yml file, complete the following steps to resolve it:

  1. Get .m2 repository path for browserstack-java-sdk jar .m2 repository path
  2. Go to the test file, right-click on it, and select Run as -> Run Configurations. .m2 repository path
  3. Click the Arguments tab, add the .m2 repository path in the VM arguments input field, and click Apply -> Run. Modify argline

Get Sample Project

Download project

Download ZIP

After downloading the sample project, unzip it in the desired location.

Import the downloaded project

Click File → Open, navigate to the unzipped downloaded project, select the junit-4 directory, and click Open.

Configure your browserstack.yml config file

Configure a few parameters in the sample repo to start testing.

Set access credentials

Set the userName and accessKey capabilities in the browserstack.yml to authenticate your tests on BrowserStack.

Select desktop browsers or real devices from a list of 3000+ available combinations:

Parallel thread #1
Parallel thread #2
Parallel thread #3

Update the browserstack.yml config file

Copy and replace the platforms object in the browserstack.yml file available in the root directory of this project.

browserstack.yml
Copy icon Copy snippet

Run sample tests on BrowserStack

Run the tests using the following steps:

Click the Maven tool window on the right-hand side. If you can’t see the tool window, click View -> Tool Windows -> Maven to enable it:

Intellij IDEA Configuration

Under Profiles, select the profiles for running tests:

Intellij IDEA Configuration

Expand the Lifecycle drop-down, and then double-click test to run the tests:

Intellij IDEA Configuration

Next steps

After you have successfully run your first test on BrowserStack, try integrating your test suite with BrowserStack.

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