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Contributing to Pkgcloud

We believe in the power of open source and we know that the quality of an open source project is determined by its documentation. This means we are committed to maintaining high quality up-to-date docs to incentivize developers to contribute.

If you are interested in contributing to pkgcloud, here is how you can help.

Reporting issues

The only issues we accept are bug reports or feature requests. Bugs must be isolated and reproducible problems which we can fix within the code base. Before opening any issues, please read the following guidelines.

  1. Search for existing issues. First of all, please check if someone else has already reported the issue. If the issue has already been reported, a fix may already be in progress.
  2. Create an isolated and reproducible test case. We use vows to make test cases, and the whole test suite already has a variety of helpers and utils to make a complete test. Check the test/ directory to find examples of tests and info on how to use the available helpers. Then try to make and submit a valid vows test. This will help us find the problem, make it easier to make feature requests, and help us understand what you really want. It is very possible that your test will eventually be added to the test suite.
  3. Include logs and backtraces Please try to include some logs or backtrace of your problem or error.
  4. Share as much information as possible. Include operating system and version, node and npm version, version of Pkgcloud. Also include steps to reproduce the bug and any further information about your environment

Key branches

  • master is the latest, deployed version.
  • gh-### branch related to some github issue, the ### is the number of the issue like gh-28 or gh-33 (normally used to open pull requests)

Pull requests

  • Please follow the style guide being used in the pkgcloud code base (See: https://gist.github.com/indexzero/5368926)
  • If you are adding new methods please include documentation above the function definition.
  • If you are adding a new provider or new service please add the complete documentation to the docs/ directory.
  • Please tag your commit depending what it does ([misc], [docs], [database], [compute])
  • Follow the style guide in code and docs.
  • Your pull request should pass the tests and the travis-ci build. This will be reviewed by the maintainer.
    • Before making the pull request, please run the unit tests using npm test.
    • Before making the pull request, please run the lint tests using npm run lint.

Coding standards: JS

  • Use semicolons! Semicolons ; must be added at the end of every statement, except when the next character is a closing bracket }.
  • Identifiers bound to constructors must start with a capital letter.
  • Identifiers bound to a variable must be CamelCased, and start with a lowercase letter.
  • Long names are bad. There is usually a noun that can represent the concept of your identifier concisely. If your identifier is longer than 20 characters, reconsider the name.
  • 2 spaces (no tabs)
  • strict mode.
  • Always declare variables at the top of your functions.
  • Control-flow statements, such as if, while and for must have a space between the keyword and the left parenthesis.
  • Never declare a function within a block.
  • Braces { } must be used in all circumstances.
  • When it comes to Strings remember: Always use single quotes and Never use multi-line string literals.
  • Try to be "Elegant"
  • Everything here: https://gist.github.com/indexzero/5368926

Adding tests to my pull requests

The tests are written using mocha and given the nature of pkgcloud test against third-party APIs are very slow specially in case of IaaS providers, so, we encourage the use of hock for mocking the responses.

Be familiar with the whole test suite and its helpers and other utilities on test/ directory, read it to see examples of tests.

Add mocking to your pull request should be really easy, first write the test using mocha, require the hock library:

var hock = require('hock');
// ...

As hock has a similar API to nock, you can easily record the API calls using nock. do this using the recorder.rec() method offer by nock just add this before the test declaration:

nock.recorder.rec();

This will show you all the requests made by the test in the nock definition, go replace the host and other information using variables, also you can use the loadFixture() helper in case your reponse is too big. All of the tests are setup to check for an environment variable, and when present, will run against the mocking server.

var mock = !!process.env.MOCK;

if (mock) {
  // Do all of your mocking preparation/cleanup in these blocks
}

License

By contributing your code, you agree to license your contribution under the terms of the MIT: https://github.com/pkgcloud/pkgcloud/blob/master/LICENSE

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