Execute test in paralell with junit5

As an automation tester I want to execute our automation test script in parallel. So I can finish the execution faster.

Prerequisite

Our automation test script need to config to execute with Junit 5

Configuration

There are atleast two ways to configure the test cases can run in parallel is using configuration file and using annotation.

Configure with configuration file

To run our script in parallel we can create junit-platform.properties file in src/java/resources folder and create the content with

junit.jupiter.execution.parallel.enabled = true
junit.jupiter.execution.parallel.mode.default = concurrent
junit.jupiter.execution.parallel.mode.classes.default = concurrent

The above content will enable the parallel executing feature and make script can run functions and classes in parallel. For more details, we can run with fix number of thread is 2 (We can change to any number).

//To execute test with fix number of thread
junit.jupiter.execution.parallel.config.strategy=fixed
junit.jupiter.execution.parallel.config.fixed.parallelism=2

Configure directly by annotation

We can define the class or function is run with concurrent or same thread with annotation

//To execute class/function in concurrent mode
@Execution(ExecutionMode.CONCURRENT)

//To execute class/function in same thread mode
@Execution(ExecutionMode.SAME_THREAD)

For more information

Referrence link

Example

Source code is here withhow_to_assert_two_list_with_assertj feature folder that contains test cases are configured by annotation.