Parallel Execution of feature files - maven-failsafe-plugin vs cucumber-jvm-parallel-plugin

[80Vikram]

Hi All,

Currently I'm using maven-failsafe-plugin to run multiple feature files in parallel with Selenium Grid + nodes ( all running in docker containers )

I'm basic questions as below

1.  when to use cucumber-jvm-parallel-plugin ?
2.  what benefits / disadvantages of cucumber-jvm-parallel-plugin over maven-failsafe-plugin  parallel execution ?

Thanks in advance.

Regards,
Vikram

[John Smart]

The cucumber-jvm-parallel-plugin will need you to define a custom template to get it to use the right runner class. This plugin generates a runner class for each of your scenarios and runs these in parallel. The maven-failsafe-plugin will only run your test runners in parallel, not your Cucumber scenarios or features.

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[80Vikram]

Hi John,

I didn't understand it fully.

Currently I've below setup

@RunWith(CucumberWithSerenity.class)
@CucumberOptions(features="src/test/resources/features/List/create_new_list.feature")
public class WLC_List {}

1. similarly I've got single test class for each of the feature files and these are run in parallel. How is this different from cucumber-jvm-parallel-plugin plugin running feature files in parallel ?

2. What advantage will I get using cucumber-jvm-parallel-plugin, which runs cucumber scenarios in parallel.

3. What's your recommendation for CD cycle ?

Thanks,
Vikram

On Tuesday, August 1, 2017 at 2:14:49 PM UTC+2, John Smart wrote:

The cucumber-jvm-parallel-plugin will need you to define a custom template to get it to use the right runner class. This plugin generates a runner class for each of your scenarios and runs these in parallel. The maven-failsafe-plugin will only run your test runners in parallel, not your Cucumber scenarios or features.

On 1 August 2017 at 12:10, 80Vikram <vikra...@gmail.com> wrote:

Hi All,

Currently I'm using maven-failsafe-plugin to run multiple feature files in parallel with Selenium Grid + nodes ( all running in docker containers )

I'm basic questions as below

1.  when to use cucumber-jvm-parallel-plugin ?
2.  what benefits / disadvantages of cucumber-jvm-parallel-plugin over maven-failsafe-plugin  parallel execution ?

Thanks in advance.

Regards,
Vikram

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[80Vikram]

Hi John,

I tried integrating plugin but it's failing please check https://github.com/serenity-bdd/serenity-core/issues/868

Thanks,
Vikram

[80Vikram]

Dear All,

Has anyone used cucumber-jvm-parallel-plugin successfully with serenity ?

I couldn't get it working, kindly help.

I've tried as per https://github.com/vikramvi/junit-webtests-parallel-grid-docker-jenkins-debug/commit/c421408bcf656e74c83dddf49b9c362a1654bbb4 , but couldn't get it working.

Thanks in advance.

Regards,
Vikram

[John Smart]

You will most likely need to use the customVmTemplate option and write your own template (see https://github.com/temyers/cucumber-jvm-parallel-plugin). The default template is here: https://github.com/temyers/cucumber-jvm-parallel-plugin/blob/master/src/main/resources/cucumber-junit-runner.java.vm

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[80Vikram]

Thanks John, I'll try this today again and update back in this thread.

Regards,
Vikram

[80Vikram]

Hi John,

If my current test runner is as below

package com.vikramvi.cucumber;

import cucumber.api.CucumberOptions;
import net.serenitybdd.cucumber.CucumberWithSerenity;
import org.junit.runner.RunWith;

@RunWith(CucumberWithSerenity.class)
@CucumberOptions(features="src/test/resources/features/List/create_new_list.feature")
public class WLC_List {}

how should this be put in customVmTemplate ?

Why is this parameter mandatory ? is it Serenity requirement ?

Thanks,
Vikram