Temperanci/Travis_CI_Tutorial_Error

JavaMIT

How to Use Travis CI with Java on GitHub

This repository is a demo of how to use Travis CI in a Java project on GitHub.

Tutorial

1. Build

Sign in to your user Github account and fork this repo
Go to Travis-ci.com and Sign in with GitHub account

Accept the authorization of Travis CI
Click on your profile picture in the top right of your Travis Dashboard, click Settings

Select the repo you want to use with Travis CI. If repo cannot be found, click Sync account

Back to Github. Create a .travis.yml file and add the following content(to tell Travis CI what to do). Commit and push the changes to the root directory of your repo

# Building a Java project
language: java

# We can specify a list of JDKs to be used for testing
jdk:
 - openjdk11

Back to Travis CI. Click your repo and you will find it start build by Travis CI

If the build is passed, you will see as follows.

Create the badge in README.md(copy the markdown code from Travis CI and paste in the top line of readme.md)

Travis CI => select your repository => click the build status image => select FORMAT as Markdown => Copy the code of RESULT => paste in the top line of readme.md

You will see a badge like this in your repo of Github

2. Test

This repo also integrates with Codecov to generate reports.

Go to the Codecov website and Sign in with GitHub account.

Accept the authorization of Codecov and add your repository
Add the following code in the end of .travis.yml file

after_success:
  - bash <(curl -s https://codecov.io/bash)

Commit and push the changes to your repo, which will trigger a new build in Travis CI. This is to enable CodeCov's coverage. If a build is successful, the code is submitted for coverage analysis
Create the badge in README.md

Codecov =>select your repository => Setting => Bedge => Copy the contect of Markdown => paste in the second line of readme.md

You will see the badge like this

3.Deploy

Travis CI can help you release to Github after a success build. You will need to provide a Github personal access token(Tutorial: https://docs.github.com/en/github/authenticating-to-github/keeping-your-account-and-data-secure/creating-a-personal-access-token).
Now that we have a token go to the project you want to use it with on Travis CI. Then on your project page, go to More options => Settings.

In the Environment Variables section, add variable named GITHUB_TOKEN and use the generated token from Github in previous step.

Travis CI can automatically upload assets to git tags on your GitHub repo. So you need create a tag in a GitHub repo(Tutorial: https://stackoverflow.com/questions/18216991/create-a-tag-in-a-github-repository)
Add the following to your .travis.yml(For more information about parameter configuration, please read https://docs.travis-ci.com/user/deployment-v2/providers/releases/)

deploy:
  provider: releases
  file_glob: true
  skip_cleanup: true
  api_key: $GITHUB_TOKEN
  file:
    - .travis.yml
  on:
    tags: true
    branch: tag
    repo: <your_github_username>/<your_repo_name>

Commit and push to trigger a Travis CI build. If the build is successful, you will see .travis.yml in the Releases section of your repo like this

4. Trigger a failed build and notify build result

Travis CI can notify you about your build results through email, IRC, chat or custom webhooks (https://docs.travis-ci.com/user/notifications/)
Add the following to your .travis.yml, which will send the build result to your Email

notifications:
 email:
   - one@example.com(replace by your e-mail)

Modify line 61 of trityp.java(src/main/.../trityp.java) as follows

triOut = triOut + 2;

Commit and push to trigger a Travis CI build. As expected, this build will failed and you will receive an Email like this