command to start jenkins manually code example

Example 1: how to use jenkins

Jenkins is
1) Open source automation server
2) Helps to automate the non-human part of
the software development process
3) Allows continuous integration
5) In my company Port is 8081 localhost
 To run my project in Jenkins
1) I need  to Login Jenkins account
2) I need to Create freestyle project
3) after that Install plugins -cucumber report and git
4) Under source code management I choose git and past git url
5) I Build trigger and I choose to build periodically
6) Invoke top-level maven
1. Maven version; MAVEN_HOME
2. Goals; clean verify -
Drunner=smoke_runner.xml
7) Under post-build actions
1. Choose cucumber reports
2. Choose editable email notify
8) Editable email notification
1. Attach build log; choose build log
2. Click advanced settings
9) Failure-Any
1. Click advanced
2. Recipient list - email address who will
receive the report. Add comma if multiple
3. Click add trigger - like failure always
4. Attach build log; select attach build log
5. Save
10) Final Step
1. Click build now and test will run and
gives your cucumber report

Example 2: jenkins commands

mvn clean ==> delete target folder
- mvn clean test ==> delete target folder
                     and run cucumber tests

- mvn clean verify ==> delete target folder, run cucumber test,
                       generate cucumber HTML report

- mvn clean verify -P Regression ==> delete target folder,
                                 run Regression profile in pom.xml.

- mvn verify -Dfile = RegressionRunner.java ==>
                     runs this specific runner class

- mvn install -DskipTests ==> It will skip all tests

- mvn -Dtest=login test ==> Running a Single Test Class:
                            It will run only login test class

- mvn verify -Dbrowser=firefox --> to run with firefox

- mvn verify -Dbrowser=chrome --> to run with chrome

- mvn verify -Dcucumber.options="--tags @smoke" 

-Denv="QA2" --> provide scenarios that you want to run.
No need to change CucumberRunner class. 
It overrides runner class configuration.

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Misc Example